./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor460788205 <...> syz2", "./cgroup.net" [pid 5835] newfstatat(3, "", [pid 6084] <... setpgid resumed>) = 0 [pid 6083] <... symlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6084] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5835] getdents64(3, [pid 6084] <... symlink resumed>) = 0 [pid 6083] <... openat resumed>) = 3 [pid 6082] <... openat resumed>) = 5 [pid 6082] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6084] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6083] write(3, "1000", 4 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6084] <... symlink resumed>) = 0 [pid 6084] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6083] <... write resumed>) = 4 [pid 5835] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] <... symlink resumed>) = 0 [pid 6083] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6083] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./39/binderfs", [pid 6084] <... openat resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6081] <... writev resumed>) = 61440 [pid 6084] write(3, "1000", 4 [pid 6083] symlink("/dev/binderfs", "./binderfs" [pid 6081] close(3 [pid 5835] unlink("./39/binderfs" [pid 6084] <... write resumed>) = 4 [pid 6083] <... symlink resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6084] close(3 [pid 6081] close(4 [pid 6084] <... close resumed>) = 0 [pid 6084] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6084] write(1, "executing program\n", 18 [pid 6081] <... close resumed>) = 0 [pid 6084] <... write resumed>) = 18 [pid 6084] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6081] close(5 [pid 6084] <... socket resumed>) = 3 [pid 6083] write(1, "executing program\n", 18 [pid 6081] <... close resumed>) = 0 executing program [pid 5835] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6083] <... write resumed>) = 18 [pid 6081] close(6 [pid 6084] <... sendto resumed>) = 32 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] recvfrom(3, [pid 6083] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./39/cgroup.net", [pid 6084] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=40}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6083] <... socket resumed>) = 3 [pid 6081] close(7 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] recvfrom(3, [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./39/cgroup.net" [pid 6084] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=40}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6081] close(8 [pid 5835] <... unlink resumed>) = 0 [pid 6084] close(3 [pid 6083] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] <... close resumed>) = 0 [pid 6083] <... sendto resumed>) = 32 [pid 6081] close(9 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6083] recvfrom(3, [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./39/cgroup.cpu", [pid 6084] <... socket resumed>) = 3 [pid 6083] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=40}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6081] close(10 [pid 6084] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6083] recvfrom(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6083] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=40}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./39/cgroup.cpu" [pid 6084] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6083] close(3 [pid 6081] close(11 [pid 5835] <... unlink resumed>) = 0 [pid 6084] <... sendmsg resumed>) = 44 [pid 6083] <... close resumed>) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6081] close(12 [pid 6084] <... openat resumed>) = 4 [pid 6083] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6083] <... socket resumed>) = 3 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./39/cgroup", [pid 6081] close(13 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6083] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./39/cgroup" [pid 6083] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6081] close(14 [pid 5835] <... unlink resumed>) = 0 [pid 6083] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6081] close(15 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6083] <... sendmsg resumed>) = 44 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6083] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6081] close(16 [pid 6083] <... openat resumed>) = 4 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 6083] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6081] close(17 [pid 5835] rmdir("./39" [pid 6083] <... openat resumed>) = 5 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 6081] close(18 [pid 6084] <... openat resumed>) = 5 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] mkdir("./40", 0777 [pid 6084] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6081] close(19 [pid 5835] <... mkdir resumed>) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... writev resumed>) = 61440 [pid 6081] close(20 [pid 6082] close(3 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6082] <... close resumed>) = 0 [pid 6081] close(21./strace-static-x86_64: Process 6085 attached [pid 6085] set_robust_list(0x5555617a06a0, 24) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 43 [pid 6085] chdir("./40") = 0 [pid 6082] close(4 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] close(22 [pid 6085] <... prctl resumed>) = 0 [pid 6082] <... close resumed>) = 0 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] setpgid(0, 0 [pid 6082] close(5 [pid 6081] close(23) = -1 EBADF (Bad file descriptor) [pid 6085] <... setpgid resumed>) = 0 [pid 6082] <... close resumed>) = 0 [pid 6081] close(24 [pid 6085] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6082] close(6 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] <... symlink resumed>) = 0 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6082] close(7 [pid 6081] close(25 [pid 6085] <... symlink resumed>) = 0 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6082] close(8 [pid 6081] close(26 [pid 6085] <... symlink resumed>) = 0 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] close(9 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6081] close(27 [pid 6085] <... openat resumed>) = 3 [pid 6082] close(10) = -1 EBADF (Bad file descriptor) [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(11 [pid 6085] write(3, "1000", 4 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] <... write resumed>) = 4 [pid 6082] close(12 [pid 6081] close(28 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] close(3 [pid 6082] close(13 [pid 6085] <... close resumed>) = 0 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6081] close(29 [pid 6082] close(14 [pid 6081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] symlink("/dev/binderfs", "./binderfs" [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6081] exit_group(0 [pid 6085] <... symlink resumed>) = 0 [pid 6082] close(15 [pid 6085] write(1, "executing program\n", 18 [pid 6081] <... exit_group resumed>) = ? [pid 6085] <... write resumed>) = 18 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6082] close(16 [pid 6081] +++ exited with 0 +++ [pid 6085] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] <... sendto resumed>) = 32 [pid 6082] close(17) = -1 EBADF (Bad file descriptor) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6082] close(18 [pid 6085] recvfrom(3, [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6085] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=43}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6082] close(19 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6085] recvfrom(3, [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=43}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6082] close(20 [pid 6085] close(3 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6082] close(21 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(22 [pid 5842] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6085] <... close resumed>) = 0 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] close(23 [pid 5842] <... openat resumed>) = 3 [pid 6085] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] <... socket resumed>) = 3 [pid 6082] close(24 [pid 5842] newfstatat(3, "", [pid 6085] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6085] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6082] close(25 [pid 5842] getdents64(3, [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6085] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6082] close(26 [pid 5842] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6085] <... sendmsg resumed>) = 44 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6082] close(27 [pid 5842] newfstatat(AT_FDCWD, "./40/binderfs", [pid 6085] <... openat resumed>) = 4 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6082] close(28 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6085] <... openat resumed>) = 5 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./40/binderfs" [pid 6085] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6082] close(29 [pid 5842] <... unlink resumed>) = 0 [pid 6082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6082] exit_group(0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] <... writev resumed>) = 61440 [pid 5842] newfstatat(AT_FDCWD, "./40/cgroup.net", [pid 6084] close(3) = 0 [pid 6083] <... writev resumed>) = 61440 [pid 6082] <... exit_group resumed>) = ? [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] close(4 [pid 6083] close(3 [pid 5842] unlink("./40/cgroup.net" [pid 6084] <... close resumed>) = 0 [pid 6083] <... close resumed>) = 0 [pid 6084] close(5 [pid 6082] +++ exited with 0 +++ [pid 5842] <... unlink resumed>) = 0 [pid 6084] <... close resumed>) = 0 [pid 6083] close(4 [pid 5842] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] close(6 [pid 6083] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] close(7 [pid 6083] close(5 [pid 5842] newfstatat(AT_FDCWD, "./40/cgroup.cpu", [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] close(8 [pid 6083] close(6 [pid 5842] unlink("./40/cgroup.cpu" [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6084] close(9 [pid 6083] close(7 [pid 5842] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(8 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] close(10 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./40/cgroup", [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(9 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] close(11 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] close(12 [pid 6083] close(10 [pid 5842] unlink("./40/cgroup" [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6084] close(13 [pid 6083] close(11 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 6084] close(14 [pid 6083] close(12 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 5838] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] close(15 [pid 5842] <... close resumed>) = 0 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(13 [pid 6084] close(16 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(14 [pid 5842] rmdir("./40" [pid 6084] close(17 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(15 [pid 6084] close(18 [pid 5842] <... rmdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./41", 0777 [pid 6084] close(19 [pid 6083] close(16 [pid 5838] <... openat resumed>) = 3 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 6084] close(20 [pid 6083] close(17 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] newfstatat(3, "", [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] close(21 [pid 6083] close(18 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6084] close(22 [pid 6083] close(19 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] close(23 [pid 6083] close(20 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./38/binderfs", [pid 6084] close(24 [pid 6083] close(21 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] close(25 [pid 6083] close(22 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./38/binderfs" [pid 6084] close(26 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(23 [pid 5838] <... unlink resumed>) = 0 [pid 6084] close(27 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 44 [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(24 [pid 5838] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6084] close(28 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(25 [pid 5838] newfstatat(AT_FDCWD, "./38/cgroup.net", [pid 6084] close(29 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(26 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] exit_group(0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(27 [pid 6084] <... exit_group resumed>) = ? [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./38/cgroup.net" [pid 6083] close(28 [pid 5838] <... unlink resumed>) = 0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6083] close(29 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./38/cgroup.cpu", ./strace-static-x86_64: Process 6086 attached [pid 6083] exit_group(0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6086] set_robust_list(0x5555617a06a0, 24 [pid 6083] <... exit_group resumed>) = ? [pid 6084] +++ exited with 0 +++ [pid 5838] unlink("./38/cgroup.cpu") = 0 [pid 5838] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6083] +++ exited with 0 +++ [pid 5838] unlink("./38/cgroup" [pid 6086] chdir("./41" [pid 5838] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 6085] <... writev resumed>) = 61440 [pid 5838] rmdir("./38" [pid 6086] <... chdir resumed>) = 0 [pid 6085] close(3 [pid 5838] <... rmdir resumed>) = 0 [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] mkdir("./39", 0777 [pid 6086] <... prctl resumed>) = 0 [pid 6085] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6086] setpgid(0, 0 [pid 5840] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6085] close(4 [pid 5838] <... mkdir resumed>) = 0 [pid 6086] <... setpgid resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6086] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5840] newfstatat(3, "", [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6085] <... close resumed>) = 0 [pid 5840] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] <... symlink resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./37/binderfs", ./strace-static-x86_64: Process 6087 attached [pid 6086] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6085] close(5 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6087] set_robust_list(0x5555617a06a0, 24 [pid 6086] <... symlink resumed>) = 0 [pid 6085] <... close resumed>) = 0 [pid 5840] unlink("./37/binderfs" [pid 6087] <... set_robust_list resumed>) = 0 [pid 6086] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6085] close(6 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 42 [pid 6086] <... symlink resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./37/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6085] close(7 [pid 5839] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] close(8) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 6085] close(9 [pid 5840] newfstatat(AT_FDCWD, "./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(3, "", [pid 6086] <... openat resumed>) = 3 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./37/cgroup.net" [pid 6087] chdir("./39" [pid 6086] write(3, "1000", 4 [pid 6085] close(10 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6087] <... chdir resumed>) = 0 [pid 6086] <... write resumed>) = 4 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./37/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] close(3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(3, [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6086] <... close resumed>) = 0 [pid 6085] close(11 [pid 5840] newfstatat(AT_FDCWD, "./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6087] <... prctl resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./37/cgroup.cpu" [pid 6087] setpgid(0, 0 [pid 6086] symlink("/dev/binderfs", "./binderfs" [pid 6085] close(12 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6087] <... setpgid resumed>) = 0 [pid 6086] <... symlink resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./37/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6087] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6086] write(1, "executing program\n", 18 [pid 6085] close(13 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6086] <... write resumed>) = 18 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./37/cgroup", [pid 6085] close(14 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6086] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./37/binderfs", [pid 5840] unlink("./37/cgroup" [pid 6086] <... socket resumed>) = 3 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(3, [pid 6086] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6085] close(15 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] unlink("./37/binderfs" [pid 6087] <... symlink resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 6085] close(16 [pid 5840] <... close resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./37" [pid 6085] close(17 [pid 5839] <... unlink resumed>) = 0 [pid 6087] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./37/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6085] close(18 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6087] <... symlink resumed>) = 0 [pid 6086] <... sendto resumed>) = 32 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./37/cgroup.net", [pid 6087] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6086] recvfrom(3, [pid 6085] close(19 [pid 6086] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=44}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6087] <... symlink resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6086] recvfrom(3, [pid 6085] close(20 [pid 5839] unlink("./37/cgroup.net" [pid 6086] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=44}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./38", 0777 [pid 6087] <... openat resumed>) = 3 [pid 6086] close(3 [pid 6085] close(21 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6087] write(3, "1000", 4 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6087] <... write resumed>) = 4 [pid 6086] <... close resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./37/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6088 attached [pid 6087] close(3 [pid 6086] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6085] close(22 [pid 6088] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6087] <... close resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./37/cgroup.cpu", [pid 6087] symlink("/dev/binderfs", "./binderfs" [pid 6086] <... socket resumed>) = 3 [pid 6085] close(23 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6088] <... set_robust_list resumed>) = 0 [pid 6088] chdir("./38" [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./37/cgroup.cpu" [pid 6086] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6085] close(24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 41 [pid 6088] <... chdir resumed>) = 0 [pid 6087] <... symlink resumed>) = 0 [pid 6086] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] umount2("./37/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6088] <... prctl resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] setpgid(0, 0 [pid 6086] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6085] close(25 [pid 5839] newfstatat(AT_FDCWD, "./37/cgroup", [pid 6088] <... setpgid resumed>) = 0 [pid 6088] symlink("/syzcgroup/unified/syz3", "./cgroup"executing program [pid 6087] write(1, "executing program\n", 18 [pid 6086] <... sendmsg resumed>) = 44 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6088] <... symlink resumed>) = 0 [pid 6087] <... write resumed>) = 18 [pid 6086] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6085] close(26 [pid 5839] unlink("./37/cgroup" [pid 6088] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6087] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6086] <... openat resumed>) = 4 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... symlink resumed>) = 0 [pid 6087] <... socket resumed>) = 3 [pid 6085] close(27 [pid 5839] <... unlink resumed>) = 0 [pid 6088] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6087] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6086] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... symlink resumed>) = 0 [pid 6087] <... sendto resumed>) = 32 [pid 6086] <... openat resumed>) = 5 [pid 6085] close(28 [pid 5839] getdents64(3, [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6087] recvfrom(3, [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... openat resumed>) = 3 [pid 6087] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=42}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6085] close(29 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6088] write(3, "1000", 4 [pid 6087] recvfrom(3, [pid 6086] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... write resumed>) = 4 [pid 6087] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=42}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] close(3 [pid 6088] close(3 [pid 6087] close(3 [pid 6085] exit_group(0 [pid 5839] <... close resumed>) = 0 [pid 6088] <... close resumed>) = 0 [pid 6087] <... close resumed>) = 0 [pid 5839] rmdir("./37" [pid 6088] symlink("/dev/binderfs", "./binderfs" [pid 6087] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6088] <... symlink resumed>) = 0 [pid 6087] <... socket resumed>) = 3 [pid 5839] <... rmdir resumed>) = 0 [pid 6088] write(1, "executing program\n", 18executing program ) = 18 [pid 5839] mkdir("./38", 0777 [pid 6088] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6085] <... exit_group resumed>) = ? [pid 6088] <... socket resumed>) = 3 [pid 5839] <... mkdir resumed>) = 0 [pid 6088] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6087] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6085] +++ exited with 0 +++ [pid 6088] <... sendto resumed>) = 32 [pid 6087] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6087] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6087] <... sendmsg resumed>) = 44 [pid 6088] recvfrom(3, [pid 6087] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6088] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=41}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6087] <... openat resumed>) = 4 [pid 5835] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6089 attached [pid 6088] recvfrom(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] set_robust_list(0x5555617a06a0, 24 [pid 6088] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=41}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6087] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 41 [pid 5835] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] close(3 [pid 6087] <... openat resumed>) = 5 [pid 5835] <... openat resumed>) = 3 [pid 6089] chdir("./38" [pid 6088] <... close resumed>) = 0 [pid 6087] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6089] <... chdir resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6088] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6089] <... prctl resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6088] <... socket resumed>) = 3 [pid 5835] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6089] setpgid(0, 0 [pid 6088] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5835] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... setpgid resumed>) = 0 [pid 6088] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6089] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6088] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6088] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6089] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6088] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6089] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6088] <... openat resumed>) = 5 [pid 6089] <... symlink resumed>) = 0 [pid 6088] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... openat resumed>) = 3 [pid 5835] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] write(3, "1000", 4 [pid 5835] unlink("./40/binderfs" [pid 6089] <... write resumed>) = 4 [pid 6087] <... writev resumed>) = 61440 [pid 5835] <... unlink resumed>) = 0 [pid 6089] close(3 [pid 6087] close(3 [pid 6089] <... close resumed>) = 0 [pid 6087] <... close resumed>) = 0 [pid 5835] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] symlink("/dev/binderfs", "./binderfs" [pid 6087] close(4 [pid 6089] <... symlink resumed>) = 0 [pid 6087] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6089] write(1, "executing program\n", 18 [pid 5835] newfstatat(AT_FDCWD, "./40/cgroup.net", [pid 6089] <... write resumed>) = 18 [pid 6087] close(5 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6087] <... close resumed>) = 0 [pid 6089] <... socket resumed>) = 3 [pid 6087] close(6 [pid 5835] unlink("./40/cgroup.net" [pid 6089] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5835] <... unlink resumed>) = 0 [pid 6089] <... sendto resumed>) = 32 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] recvfrom(3, [pid 6087] close(7 [pid 5835] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=41}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] recvfrom(3, [pid 6087] close(8 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=41}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./40/cgroup.cpu", [pid 6089] close(3 [pid 6087] close(9 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] <... close resumed>) = 0 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./40/cgroup.cpu" [pid 6089] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6087] close(10 [pid 5835] <... unlink resumed>) = 0 [pid 6089] <... socket resumed>) = 3 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6087] close(11 [pid 5835] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6087] close(12 [pid 5835] newfstatat(AT_FDCWD, "./40/cgroup", [pid 6089] <... sendmsg resumed>) = 44 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6087] close(13 [pid 5835] unlink("./40/cgroup" [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6087] close(14 [pid 5835] getdents64(3, [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6087] close(15 [pid 5835] close(3 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 6087] close(16 [pid 5835] rmdir("./40" [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(17 [pid 5835] <... rmdir resumed>) = 0 [pid 6089] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... openat resumed>) = 4 [pid 6087] close(18 [pid 5835] mkdir("./41", 0777 [pid 6089] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6089] <... openat resumed>) = 5 [pid 6087] close(19) = -1 EBADF (Bad file descriptor) [pid 6089] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6087] close(20 [pid 6088] <... writev resumed>) = 61440 [pid 6088] close(3) = 0 [pid 6088] close(4) = 0 ./strace-static-x86_64: Process 6090 attached [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(5 [pid 6090] set_robust_list(0x5555617a06a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 44 [pid 6090] <... set_robust_list resumed>) = 0 [pid 6088] <... close resumed>) = 0 [pid 6090] chdir("./41" [pid 6088] close(6 [pid 6087] close(21 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... chdir resumed>) = 0 [pid 6088] close(7 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(22 [pid 6090] <... prctl resumed>) = 0 [pid 6088] close(8 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] setpgid(0, 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(23 [pid 6090] <... setpgid resumed>) = 0 [pid 6088] close(9 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6088] close(10 [pid 6087] close(24 [pid 6086] <... writev resumed>) = 61440 [pid 6090] <... symlink resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(3 [pid 6087] close(25 [pid 6090] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6088] close(11 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] <... close resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(26 [pid 6090] <... symlink resumed>) = 0 [pid 6088] close(12 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(4 [pid 6090] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] close(27 [pid 6086] <... close resumed>) = 0 [pid 6090] <... symlink resumed>) = 0 [pid 6088] close(13 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(5 [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(28 [pid 6090] <... openat resumed>) = 3 [pid 6088] close(14 [pid 6086] <... close resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] write(3, "1000", 4 [pid 6088] close(15 [pid 6087] close(29 [pid 6090] <... write resumed>) = 4 [pid 6087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(6 [pid 6090] close(3 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6087] exit_group(0 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... close resumed>) = 0 [pid 6088] close(16 [pid 6087] <... exit_group resumed>) = ? [pid 6090] symlink("/dev/binderfs", "./binderfs" [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(7 [pid 6090] <... symlink resumed>) = 0 [pid 6088] close(17executing program [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] write(1, "executing program\n", 18 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... write resumed>) = 18 [pid 6088] close(18 [pid 6090] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... socket resumed>) = 3 [pid 6088] close(19 [pid 6086] close(8 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(20 [pid 6086] close(9 [pid 6090] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... sendto resumed>) = 32 [pid 6088] close(21 [pid 6087] +++ exited with 0 +++ [pid 6086] close(10 [pid 6090] recvfrom(3, [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6090] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=44}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6086] close(11 [pid 6090] recvfrom(3, [pid 6088] close(22 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=44}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(12 [pid 6090] close(3 [pid 6088] close(23 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] <... close resumed>) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] close(24 [pid 6086] close(13 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6090] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6088] close(25 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6090] <... socket resumed>) = 3 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(14 [pid 5838] <... openat resumed>) = 3 [pid 6090] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6088] close(26 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6090] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(15 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6090] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6088] close(27 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... sendmsg resumed>) = 44 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6090] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6088] close(28 [pid 6086] close(16 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6090] <... openat resumed>) = 4 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6088] close(29 [pid 6086] close(17 [pid 5838] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] <... openat resumed>) = 5 [pid 6088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6090] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6088] exit_group(0 [pid 6086] close(18 [pid 5838] newfstatat(AT_FDCWD, "./39/binderfs", [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6088] <... exit_group resumed>) = ? [pid 6086] close(19 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(20 [pid 5838] unlink("./39/binderfs" [pid 6088] +++ exited with 0 +++ [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6089] <... writev resumed>) = 61440 [pid 6086] close(21 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6089] close(3 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = 0 [pid 6086] close(22 [pid 6089] close(4 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = 0 [pid 6086] close(23) = -1 EBADF (Bad file descriptor) [pid 6086] close(24) = -1 EBADF (Bad file descriptor) [pid 6089] close(5 [pid 6086] close(25 [pid 6089] <... close resumed>) = 0 [pid 6089] close(6 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(26 [pid 6089] close(7 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(27 [pid 6089] close(8 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./39/cgroup.net", [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(28 [pid 5840] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] close(9 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] close(29 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] close(10 [pid 6086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] unlink("./39/cgroup.net" [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] exit_group(0 [pid 5840] <... openat resumed>) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 6089] close(11 [pid 5840] newfstatat(3, "", [pid 5838] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6089] close(12 [pid 6086] <... exit_group resumed>) = ? [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6086] +++ exited with 0 +++ [pid 5838] newfstatat(AT_FDCWD, "./39/cgroup.cpu", [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6089] close(13 [pid 5840] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./38/binderfs" [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] unlink("./39/cgroup.cpu" [pid 6089] close(14 [pid 5838] <... unlink resumed>) = 0 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] close(15 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./38/cgroup.net", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] close(16 [pid 5842] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./39/cgroup", [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6089] close(17 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./38/cgroup.net" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... unlink resumed>) = 0 [pid 5838] unlink("./39/cgroup" [pid 6089] close(18 [pid 5842] <... openat resumed>) = 3 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 5840] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 6089] close(19) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] close(20 [pid 5842] getdents64(3, [pid 5840] newfstatat(AT_FDCWD, "./38/cgroup.cpu", [pid 5838] getdents64(3, [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] close(21 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3 [pid 6089] close(22 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./38/cgroup.cpu" [pid 5842] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] rmdir("./39" [pid 6089] close(23 [pid 5838] <... rmdir resumed>) = 0 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./41/binderfs" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] close(24 [pid 5842] <... unlink resumed>) = 0 [pid 5838] mkdir("./40", 0777 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./38/cgroup", [pid 6089] close(25 [pid 5838] <... mkdir resumed>) = 0 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6089] close(26 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./41/cgroup.net", [pid 5840] unlink("./38/cgroup" [pid 6089] close(27 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6091 attached [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... unlink resumed>) = 0 [pid 6091] <... set_robust_list resumed>) = 0 [pid 6089] close(28 [pid 5842] unlink("./41/cgroup.net" [pid 5840] getdents64(3, [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6089] close(29 [pid 5840] close(3 [pid 6089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] rmdir("./38" [pid 6089] exit_group(0 [pid 5840] <... rmdir resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] mkdir("./39", 0777 [pid 6089] <... exit_group resumed>) = ? [pid 5842] unlink("./41/cgroup.cpu" [pid 5840] <... mkdir resumed>) = 0 [pid 6091] chdir("./40" [pid 6089] +++ exited with 0 +++ [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./41/cgroup") = 0 [pid 5842] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 6091] <... chdir resumed>) = 0 [pid 6090] <... writev resumed>) = 61440 [pid 5842] <... close resumed>) = 0 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] rmdir("./41" [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6091] <... prctl resumed>) = 0 [pid 6090] close(3 [pid 5842] <... rmdir resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 43 [pid 6091] setpgid(0, 0 [pid 6090] <... close resumed>) = 0 [pid 5842] mkdir("./42", 0777 [pid 5839] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6092 attached [pid 6091] <... setpgid resumed>) = 0 [pid 6090] close(4 [pid 5842] <... mkdir resumed>) = 0 [pid 6092] set_robust_list(0x5555617a06a0, 24 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6090] <... close resumed>) = 0 [pid 6090] close(5 [pid 6092] chdir("./39" [pid 6091] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6093 attached [pid 6092] <... chdir resumed>) = 0 [pid 6090] <... close resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 42 [pid 5839] <... restart_syscall resumed>) = 0 [pid 6093] set_robust_list(0x5555617a06a0, 24 [pid 6091] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6090] close(6 [pid 6093] <... set_robust_list resumed>) = 0 [pid 6091] <... symlink resumed>) = 0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 45 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6093] chdir("./42" [pid 6092] <... prctl resumed>) = 0 [pid 6090] close(7 [pid 6091] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... symlink resumed>) = 0 [pid 6093] <... chdir resumed>) = 0 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] setpgid(0, 0 [pid 6090] close(8 [pid 6093] <... prctl resumed>) = 0 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] setpgid(0, 0 [pid 6092] <... setpgid resumed>) = 0 [pid 6091] <... openat resumed>) = 3 [pid 5839] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] close(9 [pid 6093] <... setpgid resumed>) = 0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6091] write(3, "1000", 4 [pid 6090] close(10 [pid 6093] <... symlink resumed>) = 0 [pid 6092] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6091] <... write resumed>) = 4 [pid 6090] close(11 [pid 6091] close(3 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6091] <... close resumed>) = 0 [pid 6090] close(12 [pid 6093] <... symlink resumed>) = 0 [pid 6092] <... symlink resumed>) = 0 [pid 6091] symlink("/dev/binderfs", "./binderfs" [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... symlink resumed>) = 0 [pid 6093] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6092] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6091] write(1, "executing program\n", 18 [pid 6090] close(13executing program [pid 5839] <... openat resumed>) = 3 [pid 6093] <... symlink resumed>) = 0 [pid 6092] <... symlink resumed>) = 0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6092] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6091] <... write resumed>) = 18 [pid 6090] close(14 [pid 5839] newfstatat(3, "", [pid 6093] <... openat resumed>) = 3 [pid 6092] <... symlink resumed>) = 0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6093] write(3, "1000", 4 [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6091] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6090] close(15 [pid 5839] getdents64(3, [pid 6093] <... write resumed>) = 4 [pid 6092] <... openat resumed>) = 3 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... socket resumed>) = 3 [pid 6090] close(16 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6093] close(3 [pid 6092] write(3, "1000", 4 [pid 6091] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6093] <... close resumed>) = 0 [pid 6092] <... write resumed>) = 4 [pid 6091] <... sendto resumed>) = 32 [pid 6090] close(17 [pid 6093] symlink("/dev/binderfs", "./binderfs" [pid 6092] close(3 [pid 6091] recvfrom(3, [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... symlink resumed>) = 0 [pid 6092] <... close resumed>) = 0 [pid 6091] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=43}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 executing program [pid 6090] close(18 [pid 6093] write(1, "executing program\n", 18 [pid 6092] symlink("/dev/binderfs", "./binderfs" [pid 6091] recvfrom(3, [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./38/binderfs", [pid 6093] <... write resumed>) = 18 [pid 6092] <... symlink resumed>) = 0 [pid 6091] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=43}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6093] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6092] write(1, "executing program\n", 18executing program [pid 6091] close(3 [pid 6090] close(19 [pid 6093] <... socket resumed>) = 3 [pid 6092] <... write resumed>) = 18 [pid 6091] <... close resumed>) = 0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./38/binderfs" [pid 6093] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6092] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6091] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6090] close(20 [pid 5839] <... unlink resumed>) = 0 [pid 6093] <... sendto resumed>) = 32 [pid 6092] <... socket resumed>) = 3 [pid 6091] <... socket resumed>) = 3 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./38/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6093] recvfrom(3, [pid 6092] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6091] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6090] close(21 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=45}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6092] <... sendto resumed>) = 32 [pid 6091] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] recvfrom(3, [pid 6092] recvfrom(3, [pid 6091] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6090] close(22 [pid 5839] newfstatat(AT_FDCWD, "./38/cgroup.net", [pid 6093] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=45}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6092] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=42}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6091] <... sendmsg resumed>) = 44 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6093] close(3 [pid 6092] recvfrom(3, [pid 6091] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6090] close(23 [pid 5839] unlink("./38/cgroup.net" [pid 6093] <... close resumed>) = 0 [pid 6092] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=42}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6091] <... openat resumed>) = 4 [pid 6093] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6092] close(3 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6093] <... socket resumed>) = 3 [pid 6092] <... close resumed>) = 0 [pid 6091] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6090] close(24 [pid 5839] umount2("./38/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6093] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6091] <... openat resumed>) = 5 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6092] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6091] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6090] close(25 [pid 5839] newfstatat(AT_FDCWD, "./38/cgroup.cpu", [pid 6093] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6092] <... socket resumed>) = 3 [pid 6093] <... sendmsg resumed>) = 44 [pid 6092] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6093] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6092] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6090] close(26 [pid 5839] unlink("./38/cgroup.cpu" [pid 6093] <... openat resumed>) = 4 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(27) = -1 EBADF (Bad file descriptor) [pid 6090] close(28 [pid 5839] <... unlink resumed>) = 0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] close(29 [pid 6092] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6090] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... sendmsg resumed>) = 44 [pid 5839] umount2("./38/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] exit_group(0 [pid 6093] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6092] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... openat resumed>) = 5 [pid 6092] <... openat resumed>) = 4 [pid 6093] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6090] <... exit_group resumed>) = ? [pid 5839] newfstatat(AT_FDCWD, "./38/cgroup", [pid 6092] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6090] +++ exited with 0 +++ [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6092] <... openat resumed>) = 5 [pid 5839] unlink("./38/cgroup" [pid 6092] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5839] <... unlink resumed>) = 0 [pid 5839] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./38") = 0 [pid 5839] mkdir("./39", 0777 [pid 5835] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./41/binderfs") = 0 ./strace-static-x86_64: Process 6094 attached [pid 6094] set_robust_list(0x5555617a06a0, 24 [pid 6091] <... writev resumed>) = 61440 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 42 [pid 5835] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6094] <... set_robust_list resumed>) = 0 [pid 6091] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6091] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./41/cgroup.net", [pid 6091] close(4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6091] <... close resumed>) = 0 [pid 5835] unlink("./41/cgroup.net") = 0 [pid 6094] chdir("./39" [pid 6093] <... writev resumed>) = 61440 [pid 6092] <... writev resumed>) = 61440 [pid 6091] close(5 [pid 6094] <... chdir resumed>) = 0 [pid 6093] close(3 [pid 6092] close(3 [pid 6091] <... close resumed>) = 0 [pid 5835] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6093] <... close resumed>) = 0 [pid 6092] <... close resumed>) = 0 [pid 6091] close(6 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] <... prctl resumed>) = 0 [pid 6093] close(4 [pid 6092] close(4 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./41/cgroup.cpu", [pid 6094] setpgid(0, 0 [pid 6093] <... close resumed>) = 0 [pid 6092] <... close resumed>) = 0 [pid 6091] close(7 [pid 6094] <... setpgid resumed>) = 0 [pid 6093] close(5 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./41/cgroup.cpu" [pid 6094] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6092] close(5 [pid 6091] close(8 [pid 5835] <... unlink resumed>) = 0 [pid 6092] <... close resumed>) = 0 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(6 [pid 6091] close(9 [pid 5835] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6092] close(7 [pid 6091] close(10 [pid 5835] newfstatat(AT_FDCWD, "./41/cgroup", [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(8 [pid 6091] close(11 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(9 [pid 6091] close(12 [pid 5835] unlink("./41/cgroup" [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] close(13 [pid 5835] <... unlink resumed>) = 0 [pid 6092] close(10 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] close(14 [pid 5835] getdents64(3, [pid 6092] close(11 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] close(15 [pid 6094] <... symlink resumed>) = 0 [pid 6092] close(12 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6093] <... close resumed>) = 0 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6093] close(6 [pid 6092] close(13 [pid 6091] close(16 [pid 5835] <... close resumed>) = 0 [pid 6094] <... symlink resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./41" [pid 6094] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6093] close(7 [pid 6092] close(14 [pid 6091] close(17 [pid 5835] <... rmdir resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] close(8 [pid 6092] close(15 [pid 6091] close(18 [pid 5835] mkdir("./42", 0777 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... symlink resumed>) = 0 [pid 6093] close(9 [pid 6092] close(16 [pid 5835] <... mkdir resumed>) = 0 [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] close(10 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] close(19 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6095 attached [pid 6094] <... openat resumed>) = 3 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(17 [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] write(3, "1000", 4 [pid 6093] close(11 [pid 6094] <... write resumed>) = 4 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] set_robust_list(0x5555617a06a0, 24 [pid 6094] close(3 [pid 6093] close(12 [pid 6095] <... set_robust_list resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... close resumed>) = 0 [pid 6093] close(13 [pid 6094] symlink("/dev/binderfs", "./binderfs" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6095] chdir("./42" [pid 6094] <... symlink resumed>) = 0 [pid 6093] close(14 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] close(20 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 45 [pid 6095] <... chdir resumed>) = 0 [pid 6094] write(1, "executing program\n", 18 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(18 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6094] <... write resumed>) = 18 [pid 6093] close(15 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... prctl resumed>) = 0 [pid 6094] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(19 [pid 6093] close(16 [pid 6095] setpgid(0, 0 [pid 6094] <... socket resumed>) = 3 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] close(21 [pid 6095] <... setpgid resumed>) = 0 [pid 6094] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6093] close(17 [pid 6092] close(20 [pid 6095] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6094] <... sendto resumed>) = 32 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] recvfrom(3, [pid 6093] close(18 [pid 6092] close(21 [pid 6091] close(22 [pid 6094] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=42}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... symlink resumed>) = 0 [pid 6094] recvfrom(3, [pid 6093] close(19 [pid 6092] close(22 [pid 6091] close(23 [pid 6094] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=42}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6092] close(23 [pid 6091] close(24 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(24 [pid 6091] close(25 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(25 [pid 6091] close(26 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(26 [pid 6091] close(27 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(27 [pid 6091] close(28 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(28 [pid 6091] close(29 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(29 [pid 6091] exit_group(0 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] <... exit_group resumed>) = ? [pid 6092] exit_group(0 [pid 6094] close(3 [pid 6093] close(20 [pid 6092] <... exit_group resumed>) = ? [pid 6095] <... symlink resumed>) = 0 [pid 6094] <... close resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] +++ exited with 0 +++ [pid 6094] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6093] close(21 [pid 6095] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6094] <... socket resumed>) = 3 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6091] +++ exited with 0 +++ [pid 6094] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6093] close(22 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6094] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6094] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6093] close(23 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] <... sendmsg resumed>) = 44 [pid 5840] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6094] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 6093] close(24 [pid 6095] <... symlink resumed>) = 0 [pid 6094] <... openat resumed>) = 4 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6094] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6093] close(25 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] close(26) = -1 EBADF (Bad file descriptor) [pid 6093] close(27 [pid 5840] getdents64(3, [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6095] <... openat resumed>) = 3 [pid 6094] <... openat resumed>) = 5 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] write(3, "1000", 4 [pid 6094] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6093] close(28 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] <... write resumed>) = 4 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./39/binderfs", [pid 6095] close(3 [pid 6093] close(29 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] <... close resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6093] exit_group(0 [pid 6095] symlink("/dev/binderfs", "./binderfs" [pid 6093] <... exit_group resumed>) = ? [pid 5838] <... openat resumed>) = 3 [pid 6095] <... symlink resumed>) = 0 [pid 5838] newfstatat(3, "", executing program [pid 6095] write(1, "executing program\n", 18 [pid 6093] +++ exited with 0 +++ [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] unlink("./39/binderfs" [pid 6095] <... write resumed>) = 18 [pid 5840] <... unlink resumed>) = 0 [pid 6095] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(3, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6095] <... socket resumed>) = 3 [pid 5840] newfstatat(AT_FDCWD, "./39/cgroup.net", [pid 5838] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5840] unlink("./39/cgroup.net" [pid 5838] newfstatat(AT_FDCWD, "./40/binderfs", [pid 6095] <... sendto resumed>) = 32 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6095] recvfrom(3, [pid 5840] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./40/binderfs" [pid 6095] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=45}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6095] recvfrom(3, [pid 5840] newfstatat(AT_FDCWD, "./39/cgroup.cpu", [pid 6095] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=45}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6095] <... close resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] unlink("./39/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./40/cgroup.net", [pid 6095] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] newfstatat(3, "", [pid 5840] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6095] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5840] newfstatat(AT_FDCWD, "./39/cgroup", [pid 5838] unlink("./40/cgroup.net" [pid 6095] <... sendmsg resumed>) = 44 [pid 5842] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6095] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] unlink("./39/cgroup" [pid 5838] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] <... openat resumed>) = 5 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 6095] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] newfstatat(AT_FDCWD, "./42/binderfs", [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(AT_FDCWD, "./40/cgroup.cpu", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./42/binderfs" [pid 5838] unlink("./40/cgroup.cpu" [pid 5842] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5842] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./42/cgroup.net", [pid 5838] newfstatat(AT_FDCWD, "./40/cgroup", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(3 [pid 5842] unlink("./42/cgroup.net" [pid 5840] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] rmdir("./39" [pid 5842] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... rmdir resumed>) = 0 [pid 5838] unlink("./40/cgroup" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./42/cgroup.cpu", [pid 5840] mkdir("./40", 0777 [pid 5838] <... unlink resumed>) = 0 [pid 6094] <... writev resumed>) = 61440 [pid 6094] close(3) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6094] close(4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6094] <... close resumed>) = 0 [pid 5842] unlink("./42/cgroup.cpu" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6094] close(5 [pid 5842] <... unlink resumed>) = 0 [pid 5838] close(3 [pid 6094] <... close resumed>) = 0 [pid 5842] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6096 attached [pid 5838] <... close resumed>) = 0 [pid 6094] close(6) = -1 EBADF (Bad file descriptor) [pid 6094] close(7) = -1 EBADF (Bad file descriptor) [pid 6096] set_robust_list(0x5555617a06a0, 24 [pid 6094] close(8 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 43 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] close(9 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./42/cgroup", [pid 6096] chdir("./40" [pid 6094] close(10 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6096] <... chdir resumed>) = 0 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./42/cgroup" [pid 5838] rmdir("./40" [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6094] close(11 [pid 5842] <... unlink resumed>) = 0 [pid 6096] <... prctl resumed>) = 0 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 5838] <... rmdir resumed>) = 0 [pid 6096] setpgid(0, 0 [pid 6094] close(12 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6096] <... setpgid resumed>) = 0 [pid 6096] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 6096] <... symlink resumed>) = 0 [pid 6094] close(13 [pid 5842] <... close resumed>) = 0 [pid 5838] mkdir("./41", 0777 [pid 6095] <... writev resumed>) = 61440 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./42" [pid 6096] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6095] close(3 [pid 6094] close(14 [pid 5838] <... mkdir resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6097 attached [pid 6096] <... symlink resumed>) = 0 [pid 6095] <... close resumed>) = 0 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 6096] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6095] close(4 [pid 6094] close(15 [pid 6097] set_robust_list(0x5555617a06a0, 24 [pid 5842] mkdir("./43", 0777 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] close(16) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 44 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] <... symlink resumed>) = 0 [pid 6095] <... close resumed>) = 0 [pid 6094] close(17 [pid 5842] <... mkdir resumed>) = 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] close(5 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6097] chdir("./41" [pid 6096] <... openat resumed>) = 3 [pid 6094] close(18 [pid 6096] write(3, "1000", 4 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... chdir resumed>) = 0 [pid 6096] <... write resumed>) = 4 [pid 6095] <... close resumed>) = 0 [pid 6094] close(19 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6097] setpgid(0, 0./strace-static-x86_64: Process 6098 attached [pid 6096] close(3 [pid 6095] close(6 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] close(20 [pid 6098] set_robust_list(0x5555617a06a0, 24 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... set_robust_list resumed>) = 0 [pid 6095] close(7 [pid 6094] close(21 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] close(8 [pid 6097] <... setpgid resumed>) = 0 [pid 6096] <... close resumed>) = 0 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 46 [pid 6097] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6096] symlink("/dev/binderfs", "./binderfs" [pid 6098] chdir("./43" [pid 6097] <... symlink resumed>) = 0 [pid 6095] close(9 [pid 6094] close(22 [pid 6098] <... chdir resumed>) = 0 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] close(10 [pid 6094] close(23 [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6096] <... symlink resumed>) = 0 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... prctl resumed>) = 0 [pid 6097] <... symlink resumed>) = 0 [pid 6096] write(1, "executing program\n", 18 [pid 6095] close(11executing program [pid 6094] close(24 [pid 6098] setpgid(0, 0 [pid 6097] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6096] <... write resumed>) = 18 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... setpgid resumed>) = 0 [pid 6095] close(12 [pid 6094] close(25 [pid 6098] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6097] <... symlink resumed>) = 0 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] close(26 [pid 6098] <... symlink resumed>) = 0 [pid 6097] <... openat resumed>) = 3 [pid 6095] close(13 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6096] <... socket resumed>) = 3 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] close(27 [pid 6097] write(3, "1000", 4 [pid 6098] <... symlink resumed>) = 0 [pid 6097] <... write resumed>) = 4 [pid 6096] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6095] close(14 [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6097] close(3 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] close(15 [pid 6094] close(28 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] close(16 [pid 6094] close(29 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] close(17) = -1 EBADF (Bad file descriptor) [pid 6098] <... symlink resumed>) = 0 [pid 6097] <... close resumed>) = 0 [pid 6096] <... sendto resumed>) = 32 [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] symlink("/dev/binderfs", "./binderfs" [pid 6095] close(18 [pid 6094] exit_group(0 [pid 6097] <... symlink resumed>) = 0 [pid 6096] recvfrom(3, [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... openat resumed>) = 3 executing program [pid 6094] <... exit_group resumed>) = ? [pid 6098] write(3, "1000", 4 [pid 6097] write(1, "executing program\n", 18 [pid 6096] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=43}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6095] close(19 [pid 6098] <... write resumed>) = 4 [pid 6097] <... write resumed>) = 18 [pid 6096] recvfrom(3, [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(3 [pid 6097] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6096] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=43}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6095] close(20 [pid 6094] +++ exited with 0 +++ [pid 6098] <... close resumed>) = 0 [pid 6097] <... socket resumed>) = 3 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(3 [pid 6098] symlink("/dev/binderfs", "./binderfs" [pid 6097] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6095] close(21 [pid 6098] <... symlink resumed>) = 0 [pid 6097] <... sendto resumed>) = 32 [pid 6096] <... close resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6097] recvfrom(3, executing program [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] write(1, "executing program\n", 18 [pid 6097] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=44}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6096] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6098] <... write resumed>) = 18 [pid 6097] recvfrom(3, [pid 6095] close(22 [pid 6097] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=44}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6096] <... socket resumed>) = 3 [pid 5839] <... restart_syscall resumed>) = 0 [pid 6098] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6097] close(3 [pid 6096] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... socket resumed>) = 3 [pid 6097] <... close resumed>) = 0 [pid 6096] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6095] close(23 [pid 6098] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6096] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6098] <... sendto resumed>) = 32 [pid 6097] <... socket resumed>) = 3 [pid 6096] <... sendmsg resumed>) = 44 [pid 6095] close(24 [pid 5839] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6097] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6096] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] recvfrom(3, [pid 6097] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6095] close(25 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=46}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6097] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] recvfrom(3, [pid 6097] <... sendmsg resumed>) = 44 [pid 6096] <... openat resumed>) = 4 [pid 6095] close(26 [pid 5839] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6098] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=46}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6097] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6096] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... openat resumed>) = 4 [pid 5839] <... openat resumed>) = 3 [pid 6098] close(3 [pid 6097] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6098] <... close resumed>) = 0 [pid 6096] <... openat resumed>) = 5 [pid 6095] close(27 [pid 5839] newfstatat(3, "", [pid 6098] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6097] <... openat resumed>) = 5 [pid 6096] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6098] <... socket resumed>) = 3 [pid 6097] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6095] close(28 [pid 6098] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6098] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6095] close(29) = -1 EBADF (Bad file descriptor) [pid 6098] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6095] exit_group(0 [pid 6098] <... sendmsg resumed>) = 44 [pid 6095] <... exit_group resumed>) = ? [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6098] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6095] +++ exited with 0 +++ [pid 5839] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6098] <... openat resumed>) = 4 [pid 6098] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5839] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6098] <... openat resumed>) = 5 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6098] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6097] <... writev resumed>) = 61440 [pid 6096] <... writev resumed>) = 61440 [pid 5839] unlink("./39/binderfs" [pid 5835] <... restart_syscall resumed>) = 0 [pid 6097] close(3 [pid 6096] close(3 [pid 5839] <... unlink resumed>) = 0 [pid 6097] <... close resumed>) = 0 [pid 6096] <... close resumed>) = 0 [pid 5839] umount2("./39/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6097] close(4 [pid 6096] close(4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... close resumed>) = 0 [pid 6096] <... close resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./39/cgroup.net", [pid 5835] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6097] close(5 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6096] close(5 [pid 6097] <... close resumed>) = 0 [pid 6096] <... close resumed>) = 0 [pid 5839] unlink("./39/cgroup.net" [pid 5835] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6097] close(6 [pid 6096] close(6 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 6097] close(7 [pid 6096] close(7 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./39/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(3, "", [pid 6097] close(8 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(8 [pid 5839] newfstatat(AT_FDCWD, "./39/cgroup.cpu", [pid 5835] getdents64(3, [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(9 [pid 6096] close(9 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(10 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./39/cgroup.cpu" [pid 5835] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(10 [pid 5839] <... unlink resumed>) = 0 [pid 6097] close(11 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6096] close(11 [pid 5839] umount2("./39/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6097] close(12 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(12 [pid 5839] newfstatat(AT_FDCWD, "./39/cgroup", [pid 5835] unlink("./42/binderfs" [pid 6097] close(13 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(13 [pid 6097] close(14 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./39/cgroup" [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(14 [pid 5839] <... unlink resumed>) = 0 [pid 6097] close(15 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(15 [pid 6097] close(16 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(16 [pid 6097] close(17) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(18 [pid 6096] close(17 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] close(3 [pid 6097] close(19 [pid 5835] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(18 [pid 5839] <... close resumed>) = 0 [pid 6097] close(20 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./39" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(19 [pid 5839] <... rmdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./42/cgroup.net", [pid 6097] close(21 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir("./40", 0777 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6097] close(22 [pid 6096] close(20 [pid 5839] <... mkdir resumed>) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./42/cgroup.net" [pid 6097] close(23) = -1 EBADF (Bad file descriptor) [pid 6096] close(21 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... unlink resumed>) = 0 [pid 6097] close(24 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(22 [pid 6097] close(25 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6096] close(23 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(26 [pid 6096] close(24 [pid 5835] newfstatat(AT_FDCWD, "./42/cgroup.cpu", [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6096] close(25) = -1 EBADF (Bad file descriptor) [pid 6097] close(27 [pid 6096] close(26 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./42/cgroup.cpu"./strace-static-x86_64: Process 6099 attached [pid 6097] close(28 [pid 6096] close(27 [pid 5835] <... unlink resumed>) = 0 [pid 6097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] close(29) = -1 EBADF (Bad file descriptor) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] exit_group(0 [pid 6096] close(28 [pid 5835] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6097] <... exit_group resumed>) = ? [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6097] +++ exited with 0 +++ [pid 6096] close(29 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] exit_group(0 [pid 5835] newfstatat(AT_FDCWD, "./42/cgroup", [pid 6099] set_robust_list(0x5555617a06a0, 24 [pid 6096] <... exit_group resumed>) = ? [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 43 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6096] +++ exited with 0 +++ [pid 5835] unlink("./42/cgroup" [pid 6099] chdir("./40" [pid 5835] <... unlink resumed>) = 0 [pid 6099] <... chdir resumed>) = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] close(3 [pid 6099] <... prctl resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 6099] setpgid(0, 0 [pid 5835] rmdir("./42" [pid 6099] <... setpgid resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6099] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5835] mkdir("./43", 0777) = 0 [pid 6099] <... symlink resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6099] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5838] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6099] <... symlink resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(3, "", [pid 5838] getdents64(3, [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6099] <... openat resumed>) = 3 [pid 5838] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] write(3, "1000", 4 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5840] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6100 attached ) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 46 [pid 6100] set_robust_list(0x5555617a06a0, 24 [pid 6099] <... write resumed>) = 4 [pid 5840] newfstatat(AT_FDCWD, "./40/binderfs", [pid 6099] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./41/binderfs" [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 5840] unlink("./40/binderfs" [pid 5838] <... unlink resumed>) = 0 [pid 6099] symlink("/dev/binderfs", "./binderfs" [pid 6100] chdir("./43" [pid 6099] <... symlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] <... chdir resumed>) = 0 [pid 6099] write(1, "executing program\n", 18 [pid 5840] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6099] <... write resumed>) = 18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./41/cgroup.net", [pid 6100] <... prctl resumed>) = 0 [pid 6099] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] newfstatat(AT_FDCWD, "./40/cgroup.net", executing program [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6100] setpgid(0, 0 [pid 6099] <... socket resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6100] <... setpgid resumed>) = 0 [pid 6099] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5840] unlink("./40/cgroup.net" [pid 5838] unlink("./41/cgroup.net" [pid 6100] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6099] <... sendto resumed>) = 32 [pid 6100] <... symlink resumed>) = 0 [pid 6099] recvfrom(3, [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6100] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6099] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=43}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5840] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] <... symlink resumed>) = 0 [pid 6099] recvfrom(3, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] <... symlink resumed>) = 0 [pid 6099] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=43}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5840] newfstatat(AT_FDCWD, "./40/cgroup.cpu", [pid 5838] newfstatat(AT_FDCWD, "./41/cgroup.cpu", [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6099] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6100] <... openat resumed>) = 3 [pid 6099] <... close resumed>) = 0 [pid 5838] unlink("./41/cgroup.cpu" [pid 6099] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] unlink("./40/cgroup.cpu" [pid 6100] write(3, "1000", 4 [pid 6099] <... socket resumed>) = 3 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6100] <... write resumed>) = 4 [pid 6099] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5840] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6100] close(3 [pid 6099] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] <... close resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./40/cgroup", [pid 5838] newfstatat(AT_FDCWD, "./41/cgroup", [pid 6100] symlink("/dev/binderfs", "./binderfs" [pid 6099] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6100] <... symlink resumed>) = 0 [pid 6100] write(1, "executing program\n", 18 [pid 6099] <... sendmsg resumed>) = 44 [pid 5840] unlink("./40/cgroup" [pid 5838] unlink("./41/cgroup" [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 executing program [pid 5840] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] getdents64(3, [pid 6100] <... write resumed>) = 18 [pid 5840] close(3 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6100] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6099] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5840] <... close resumed>) = 0 [pid 6100] <... socket resumed>) = 3 [pid 6099] <... openat resumed>) = 4 [pid 5838] close(3 [pid 5840] rmdir("./40" [pid 5838] <... close resumed>) = 0 [pid 6100] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5840] <... rmdir resumed>) = 0 [pid 5838] rmdir("./41" [pid 6100] <... sendto resumed>) = 32 [pid 6099] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5840] mkdir("./41", 0777 [pid 5838] <... rmdir resumed>) = 0 [pid 6100] recvfrom(3, [pid 6099] <... openat resumed>) = 5 [pid 6100] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=46}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6099] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] <... mkdir resumed>) = 0 [pid 6100] recvfrom(3, [pid 5838] mkdir("./42", 0777 [pid 6100] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=46}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... mkdir resumed>) = 0 [pid 6100] close(3 [pid 6098] <... writev resumed>) = 61440 [pid 6098] close(3) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6100] <... close resumed>) = 0 [pid 6100] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6100] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6100] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6100] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY./strace-static-x86_64: Process 6101 attached ) = 4 [pid 6101] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 44 ./strace-static-x86_64: Process 6102 attached [pid 6100] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6102] set_robust_list(0x5555617a06a0, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 45 [pid 6101] <... set_robust_list resumed>) = 0 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6101] chdir("./41" [pid 6102] chdir("./42" [pid 6101] <... chdir resumed>) = 0 [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6100] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6101] <... prctl resumed>) = 0 [pid 6098] close(4 [pid 6102] <... chdir resumed>) = 0 [pid 6101] setpgid(0, 0 [pid 6098] <... close resumed>) = 0 [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6101] <... setpgid resumed>) = 0 [pid 6098] close(5 [pid 6102] <... prctl resumed>) = 0 [pid 6101] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6098] <... close resumed>) = 0 [pid 6102] setpgid(0, 0 [pid 6101] <... symlink resumed>) = 0 [pid 6098] close(6 [pid 6102] <... setpgid resumed>) = 0 [pid 6102] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6099] <... writev resumed>) = 61440 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6099] close(3 [pid 6102] <... symlink resumed>) = 0 [pid 6101] <... symlink resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 6098] close(7 [pid 6101] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6099] close(4 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] <... symlink resumed>) = 0 [pid 6098] close(8 [pid 6099] <... close resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] close(9 [pid 6102] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6101] <... openat resumed>) = 3 [pid 6100] <... writev resumed>) = 61440 [pid 6099] close(5 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... symlink resumed>) = 0 [pid 6100] close(3 [pid 6102] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6100] <... close resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 6098] close(10 [pid 6102] <... symlink resumed>) = 0 [pid 6100] close(4) = 0 [pid 6100] close(5 [pid 6101] write(3, "1000", 4 [pid 6099] close(6 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] <... write resumed>) = 4 [pid 6100] <... close resumed>) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(11 [pid 6102] <... openat resumed>) = 3 [pid 6099] close(7 [pid 6101] close(3 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(12 [pid 6101] <... close resumed>) = 0 [pid 6102] write(3, "1000", 4 [pid 6100] close(6 [pid 6101] symlink("/dev/binderfs", "./binderfs" [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... write resumed>) = 4 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(8 [pid 6098] close(13 [pid 6102] close(3 [pid 6100] close(7 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... close resumed>) = 0 [pid 6101] <... symlink resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(14 [pid 6102] symlink("/dev/binderfs", "./binderfs" [pid 6101] write(1, "executing program\n", 18 [pid 6100] close(8 [pid 6099] close(9 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(15executing program [pid 6101] <... write resumed>) = 18 [pid 6099] close(10 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... symlink resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(16) = -1 EBADF (Bad file descriptor) executing program [pid 6102] write(1, "executing program\n", 18 [pid 6099] close(11 [pid 6098] close(17 [pid 6102] <... write resumed>) = 18 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6101] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6100] close(9 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(18) = -1 EBADF (Bad file descriptor) [pid 6102] <... socket resumed>) = 3 [pid 6101] <... socket resumed>) = 3 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(12 [pid 6098] close(19 [pid 6101] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6100] close(10 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6101] <... sendto resumed>) = 32 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(13 [pid 6098] close(20 [pid 6101] recvfrom(3, [pid 6100] close(11 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(14 [pid 6098] close(21) = -1 EBADF (Bad file descriptor) [pid 6101] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=44}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6102] <... sendto resumed>) = 32 [pid 6100] close(12 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(22 [pid 6101] recvfrom(3, [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] recvfrom(3, [pid 6101] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=44}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(15 [pid 6098] close(23 [pid 6102] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=45}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6101] close(3 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] recvfrom(3, [pid 6101] <... close resumed>) = 0 [pid 6100] close(13 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(24 [pid 6102] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=45}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6101] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(16 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(3 [pid 6101] <... socket resumed>) = 3 [pid 6100] close(14 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(25 [pid 6101] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6099] close(17 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(26 [pid 6101] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6100] close(15 [pid 6099] close(18 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... close resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6098] close(27 [pid 6099] close(19 [pid 6100] close(16 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(20 [pid 6098] close(28 [pid 6102] <... socket resumed>) = 3 [pid 6101] <... openat resumed>) = 4 [pid 6100] close(17 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6101] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(21 [pid 6098] close(29 [pid 6101] <... openat resumed>) = 5 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6100] close(18 [pid 6099] close(22 [pid 6102] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6101] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6102] <... sendmsg resumed>) = 44 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] exit_group(0 [pid 6102] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6100] close(19 [pid 6099] close(23 [pid 6098] <... exit_group resumed>) = ? [pid 6102] <... openat resumed>) = 4 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(24 [pid 6098] +++ exited with 0 +++ [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(25) = -1 EBADF (Bad file descriptor) [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(26 [pid 6100] close(20 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(27 [pid 6100] close(21 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(28 [pid 6100] close(22 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(29 [pid 6100] close(23 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] exit_group(0 [pid 6100] close(24) = -1 EBADF (Bad file descriptor) [pid 6100] close(25) = -1 EBADF (Bad file descriptor) [pid 6099] <... exit_group resumed>) = ? [pid 6100] close(26) = -1 EBADF (Bad file descriptor) [pid 6099] +++ exited with 0 +++ [pid 6100] close(27) = -1 EBADF (Bad file descriptor) [pid 6100] close(28) = -1 EBADF (Bad file descriptor) [pid 6100] close(29) = -1 EBADF (Bad file descriptor) [pid 6100] exit_group(0) = ? [pid 6100] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5842] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6102] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6102] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5842] newfstatat(3, "", [pid 5835] <... restart_syscall resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5839] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5842] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./43/binderfs" [pid 5842] newfstatat(AT_FDCWD, "./43/binderfs", [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./43/binderfs" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] newfstatat(AT_FDCWD, "./43/cgroup.net", [pid 5842] unlink("./43/cgroup.net" [pid 5839] <... openat resumed>) = 3 [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(3, "", [pid 5835] unlink("./43/cgroup.net" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] newfstatat(AT_FDCWD, "./43/cgroup.cpu", [pid 5839] getdents64(3, [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./43/cgroup.cpu" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5839] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./43/cgroup.cpu", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./43/cgroup", [pid 5839] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5835] unlink("./43/cgroup.cpu" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6101] <... writev resumed>) = 61440 [pid 5842] unlink("./43/cgroup" [pid 5839] unlink("./40/binderfs" [pid 6101] close(3 [pid 5835] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6101] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6101] close(4 [pid 5842] getdents64(3, [pid 5839] umount2("./40/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./43/cgroup", [pid 6101] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6101] close(5 [pid 5842] close(3 [pid 5839] newfstatat(AT_FDCWD, "./40/cgroup.net", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6101] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./43/cgroup" [pid 6101] close(6 [pid 5842] rmdir("./43" [pid 5839] unlink("./40/cgroup.net" [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6101] close(7 [pid 5842] mkdir("./44", 0777 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./40/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(3, [pid 5842] <... mkdir resumed>) = 0 [pid 6101] close(8 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./40/cgroup.cpu", [pid 5835] <... close resumed>) = 0 [pid 6101] close(9 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] rmdir("./43" [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 5839] unlink("./40/cgroup.cpu" [pid 5835] mkdir("./44", 0777./strace-static-x86_64: Process 6103 attached [pid 6101] close(10 [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 6103] set_robust_list(0x5555617a06a0, 24 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 47 [pid 5839] umount2("./40/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6103] <... set_robust_list resumed>) = 0 [pid 6101] close(11) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./40/cgroup", [pid 6103] chdir("./44" [pid 6101] close(12 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6103] <... chdir resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./40/cgroup" [pid 6101] close(13 [pid 5839] <... unlink resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6101] close(14 [pid 6103] <... prctl resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] setpgid(0, 0 [pid 6101] close(15 [pid 6103] <... setpgid resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6101] close(16 [pid 6103] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6101] close(17 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6103] <... symlink resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] close(3 [pid 6103] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6101] close(18 [pid 5839] <... close resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./40" [pid 6101] close(19 [pid 5839] <... rmdir resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... symlink resumed>) = 0 [pid 6101] close(20) = -1 EBADF (Bad file descriptor) [pid 6103] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5839] mkdir("./41", 0777./strace-static-x86_64: Process 6104 attached [pid 6103] <... symlink resumed>) = 0 [pid 6101] close(21 [pid 5839] <... mkdir resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 47 [pid 6104] set_robust_list(0x5555617a06a0, 24 [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6103] <... openat resumed>) = 3 [pid 6101] close(22 [pid 6104] <... set_robust_list resumed>) = 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] chdir("./44" [pid 6101] close(23 [pid 6104] <... chdir resumed>) = 0 [pid 6103] write(3, "1000", 4 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... write resumed>) = 4 [pid 6101] close(24 [pid 6103] close(3 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = 0 [pid 6101] close(25 [pid 6103] symlink("/dev/binderfs", "./binderfs" [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... symlink resumed>) = 0 [pid 6101] close(26 [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6103] write(1, "executing program\n", 18 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6104] <... prctl resumed>) = 0 [pid 6103] <... write resumed>) = 18 [pid 6101] close(27 [pid 6104] setpgid(0, 0 [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6101] close(28) = -1 EBADF (Bad file descriptor) [pid 6104] <... setpgid resumed>) = 0 [pid 6101] close(29 [pid 6104] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6101] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6105 attached [pid 6104] <... symlink resumed>) = 0 [pid 6103] <... socket resumed>) = 3 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 44 [pid 6104] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6103] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6101] exit_group(0 [pid 6105] set_robust_list(0x5555617a06a0, 24 [pid 6104] <... symlink resumed>) = 0 [pid 6103] <... sendto resumed>) = 32 [pid 6101] <... exit_group resumed>) = ? [pid 6105] <... set_robust_list resumed>) = 0 [pid 6104] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6103] recvfrom(3, [pid 6101] +++ exited with 0 +++ [pid 6104] <... symlink resumed>) = 0 [pid 6103] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=47}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6105] chdir("./41" [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6103] recvfrom(3, [pid 6105] <... chdir resumed>) = 0 [pid 6104] <... openat resumed>) = 3 [pid 6103] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=47}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] write(3, "1000", 4 [pid 6103] close(3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6105] <... prctl resumed>) = 0 [pid 6104] <... write resumed>) = 4 [pid 6103] <... close resumed>) = 0 [pid 5840] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6105] setpgid(0, 0 [pid 6104] close(3 [pid 6105] <... setpgid resumed>) = 0 executing program [pid 6104] <... close resumed>) = 0 [pid 6103] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6104] symlink("/dev/binderfs", "./binderfs" [pid 6105] <... symlink resumed>) = 0 [pid 6104] <... symlink resumed>) = 0 [pid 6103] <... socket resumed>) = 3 [pid 5840] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6103] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5840] <... openat resumed>) = 3 [pid 6105] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6104] write(1, "executing program\n", 18 [pid 6103] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5840] newfstatat(3, "", [pid 6105] <... symlink resumed>) = 0 [pid 6105] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6104] <... write resumed>) = 18 [pid 6103] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6105] <... symlink resumed>) = 0 [pid 6104] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6103] <... sendmsg resumed>) = 44 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] <... socket resumed>) = 3 [pid 6103] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5840] getdents64(3, [pid 6105] <... openat resumed>) = 3 [pid 6104] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6103] <... openat resumed>) = 4 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6105] write(3, "1000", 4 [pid 6104] <... sendto resumed>) = 32 [pid 5840] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6105] <... write resumed>) = 4 [pid 6104] recvfrom(3, [pid 6103] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6105] close(3 [pid 6104] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=47}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6103] <... openat resumed>) = 5 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... close resumed>) = 0 [pid 6104] recvfrom(3, [pid 6103] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] newfstatat(AT_FDCWD, "./41/binderfs", [pid 6105] symlink("/dev/binderfs", "./binderfs" [pid 6104] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=47}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6102] <... writev resumed>) = 61440 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6105] <... symlink resumed>) = 0 [pid 6104] close(3 [pid 6102] close(3 [pid 5840] unlink("./41/binderfs" [pid 6105] write(1, "executing program\n", 18executing program ) = 18 [pid 6104] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6105] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6104] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6104] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6102] <... close resumed>) = 0 [pid 6105] <... socket resumed>) = 3 [pid 6102] close(4 [pid 6104] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6102] <... close resumed>) = 0 [pid 5840] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6105] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... sendto resumed>) = 32 [pid 6104] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6102] close(5 [pid 6105] recvfrom(3, [pid 6104] <... openat resumed>) = 4 [pid 6102] <... close resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./41/cgroup.net", [pid 6105] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=44}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6105] recvfrom(3, [pid 6104] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6102] close(6 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6105] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=44}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6104] <... openat resumed>) = 5 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./41/cgroup.net" [pid 6105] close(3 [pid 6104] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6102] close(7 [pid 5840] <... unlink resumed>) = 0 [pid 6105] <... close resumed>) = 0 [pid 6105] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6105] <... socket resumed>) = 3 [pid 6105] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6102] close(8 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./41/cgroup.cpu", [pid 6102] close(9) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6102] close(10) = -1 EBADF (Bad file descriptor) [pid 6102] close(11) = -1 EBADF (Bad file descriptor) [pid 6102] close(12 [pid 6105] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./41/cgroup.cpu" [pid 6105] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6105] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6102] close(13 [pid 5840] <... unlink resumed>) = 0 [pid 6105] <... openat resumed>) = 4 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6105] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6102] close(14 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... openat resumed>) = 5 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(15) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./41/cgroup", [pid 6105] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6102] close(16 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./41/cgroup" [pid 6102] close(17 [pid 5840] <... unlink resumed>) = 0 [pid 6103] <... writev resumed>) = 61440 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(3) = 0 [pid 6103] close(4) = 0 [pid 6103] close(5) = 0 [pid 6105] <... writev resumed>) = 61440 [pid 6103] close(6 [pid 6102] close(18 [pid 5840] getdents64(3, [pid 6105] close(3 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = 0 [pid 6103] close(7 [pid 6102] close(19 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6105] close(4 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 6105] <... close resumed>) = 0 [pid 6103] close(8 [pid 6102] close(20 [pid 5840] <... close resumed>) = 0 [pid 6105] close(5 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./41" [pid 6105] <... close resumed>) = 0 [pid 6102] close(21 [pid 5840] <... rmdir resumed>) = 0 [pid 6103] close(9 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./42", 0777 [pid 6105] close(6 [pid 6102] close(22 [pid 5840] <... mkdir resumed>) = 0 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(10 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6105] close(7 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(23./strace-static-x86_64: Process 6106 attached [pid 6106] set_robust_list(0x5555617a06a0, 24 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(11 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... set_robust_list resumed>) = 0 [pid 6105] close(8 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(24 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(12 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] chdir("./42" [pid 6105] close(9 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(25 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(13 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 45 [pid 6105] close(10 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(26 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(14 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(11 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(27 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(15 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(12 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(28 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(16 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(13 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(29 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(17 [pid 6102] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(14 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] exit_group(0 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(18 [pid 6102] <... exit_group resumed>) = ? [pid 6105] close(15 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] +++ exited with 0 +++ [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(16 [pid 6103] close(19 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(17 [pid 6103] close(20) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(21 [pid 6105] close(18 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(22 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(19 [pid 6103] close(23) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(24 [pid 6105] close(20 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(25 [pid 6105] close(21 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] close(22) = -1 EBADF (Bad file descriptor) [pid 6103] close(26 [pid 6105] close(23 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(27 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6105] close(24) = -1 EBADF (Bad file descriptor) [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6103] close(28 [pid 6105] close(25 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] close(29 [pid 5838] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6105] close(26 [pid 6103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... openat resumed>) = 3 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] exit_group(0 [pid 6105] close(27 [pid 5838] newfstatat(3, "", [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6103] <... exit_group resumed>) = ? [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6103] +++ exited with 0 +++ [pid 6106] <... chdir resumed>) = 0 [pid 6105] close(28 [pid 5838] getdents64(3, [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6106] <... prctl resumed>) = 0 [pid 6105] close(29 [pid 5838] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] setpgid(0, 0 [pid 6105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] exit_group(0 [pid 5838] newfstatat(AT_FDCWD, "./42/binderfs", [pid 6106] <... setpgid resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6106] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6105] <... exit_group resumed>) = ? [pid 5838] unlink("./42/binderfs") = 0 [pid 6106] <... symlink resumed>) = 0 [pid 5838] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] <... symlink resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5838] newfstatat(AT_FDCWD, "./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./42/cgroup.net") = 0 [pid 6106] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5842] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] <... symlink resumed>) = 0 [pid 6104] <... writev resumed>) = 61440 [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] close(3 [pid 5838] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] <... openat resumed>) = 3 [pid 6105] +++ exited with 0 +++ [pid 6104] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] close(4 [pid 5842] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] write(3, "1000", 4 [pid 6104] <... close resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5838] newfstatat(AT_FDCWD, "./42/cgroup.cpu", [pid 6106] <... write resumed>) = 4 [pid 6104] close(5 [pid 5842] newfstatat(3, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6106] close(3 [pid 6104] <... close resumed>) = 0 [pid 5838] unlink("./42/cgroup.cpu" [pid 6106] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] symlink("/dev/binderfs", "./binderfs" [pid 6104] close(6 [pid 5842] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6106] <... symlink resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6106] write(1, "executing program\n", 18 [pid 6104] close(7 [pid 5842] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 executing program [pid 6106] <... write resumed>) = 18 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6104] close(8 [pid 5842] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./42/cgroup", [pid 6106] <... socket resumed>) = 3 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6106] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6104] close(9 [pid 5839] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6106] <... sendto resumed>) = 32 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./44/binderfs" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] unlink("./42/cgroup" [pid 6106] recvfrom(3, [pid 6104] close(10 [pid 5842] <... unlink resumed>) = 0 [pid 5839] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 6106] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=45}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 6106] recvfrom(3, [pid 6104] close(11 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./41/binderfs") = 0 [pid 6106] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=45}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] umount2("./41/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] close(3 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./44/cgroup.net", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 6106] <... close resumed>) = 0 [pid 6104] close(12 [pid 5839] newfstatat(AT_FDCWD, "./41/cgroup.net", [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... close resumed>) = 0 [pid 6106] <... socket resumed>) = 3 [pid 6104] close(13 [pid 5842] unlink("./44/cgroup.net" [pid 5839] unlink("./41/cgroup.net" [pid 5838] rmdir("./42" [pid 6106] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6106] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6104] close(14 [pid 5842] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./41/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6106] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./41/cgroup.cpu", [pid 6104] close(15 [pid 5842] newfstatat(AT_FDCWD, "./44/cgroup.cpu", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6106] <... sendmsg resumed>) = 44 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./41/cgroup.cpu" [pid 6106] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6104] close(16 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] mkdir("./43", 0777 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./44/cgroup.cpu" [pid 6104] close(17 [pid 5842] <... unlink resumed>) = 0 [pid 5839] umount2("./41/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./41/cgroup", [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5839] unlink("./41/cgroup" [pid 6106] <... openat resumed>) = 4 [pid 6104] close(18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] getdents64(3, ./strace-static-x86_64: Process 6107 attached [pid 6106] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./44/cgroup", [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6104] close(19 [pid 5839] close(3 [pid 6106] <... openat resumed>) = 5 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6107] set_robust_list(0x5555617a06a0, 24 [pid 6106] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6104] close(20 [pid 5842] unlink("./44/cgroup" [pid 5839] rmdir("./41" [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 46 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 6104] close(21 [pid 5842] getdents64(3, [pid 5839] mkdir("./42", 0777 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 6104] close(22 [pid 5842] <... close resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5842] rmdir("./44" [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6108 attached [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 45 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6104] close(23 [pid 6108] set_robust_list(0x5555617a06a0, 24 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./45", 0777 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6104] close(24 [pid 5842] <... mkdir resumed>) = 0 [pid 6107] chdir("./43" [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] <... chdir resumed>) = 0 [pid 6104] close(25 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6108] chdir("./42" [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] <... prctl resumed>) = 0 [pid 6104] close(26 [pid 6108] <... chdir resumed>) = 0 [pid 6107] setpgid(0, 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6107] <... setpgid resumed>) = 0 [pid 6104] close(27 [pid 6108] <... prctl resumed>) = 0 [pid 6107] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] setpgid(0, 0 [pid 6104] close(28) = -1 EBADF (Bad file descriptor) [pid 6108] <... setpgid resumed>) = 0 [pid 6104] close(29 [pid 6108] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6107] <... symlink resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] <... symlink resumed>) = 0 [pid 6107] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6104] exit_group(0 [pid 6108] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu"./strace-static-x86_64: Process 6109 attached [pid 6104] <... exit_group resumed>) = ? [pid 6109] set_robust_list(0x5555617a06a0, 24 [pid 6108] <... symlink resumed>) = 0 [pid 6107] <... symlink resumed>) = 0 [pid 6109] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 48 [pid 6109] chdir("./45" [pid 6108] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6109] <... chdir resumed>) = 0 [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6107] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6109] <... prctl resumed>) = 0 [pid 6108] <... openat resumed>) = 3 [pid 6107] <... symlink resumed>) = 0 [pid 6109] setpgid(0, 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6109] <... setpgid resumed>) = 0 [pid 6107] <... openat resumed>) = 3 [pid 6108] write(3, "1000", 4 [pid 6104] +++ exited with 0 +++ [pid 6109] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6108] <... write resumed>) = 4 [pid 6107] write(3, "1000", 4 [pid 6109] <... symlink resumed>) = 0 [pid 6108] close(3 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6109] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6108] <... close resumed>) = 0 [pid 6107] <... write resumed>) = 4 [pid 6109] <... symlink resumed>) = 0 [pid 6108] symlink("/dev/binderfs", "./binderfs" [pid 6107] close(3 [pid 6109] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6107] <... close resumed>) = 0 [pid 6108] <... symlink resumed>) = 0 [pid 6107] symlink("/dev/binderfs", "./binderfs" [pid 6109] <... symlink resumed>) = 0 [pid 6108] write(1, "executing program\n", 18 [pid 6107] <... symlink resumed>) = 0 executing program executing program [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6107] write(1, "executing program\n", 18 [pid 6108] <... write resumed>) = 18 [pid 6107] <... write resumed>) = 18 [pid 6109] <... openat resumed>) = 3 [pid 6108] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6107] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6108] <... socket resumed>) = 3 [pid 6109] write(3, "1000", 4 [pid 6107] <... socket resumed>) = 3 [pid 6109] <... write resumed>) = 4 [pid 6108] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6107] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6109] close(3 [pid 6108] <... sendto resumed>) = 32 [pid 6107] <... sendto resumed>) = 32 [pid 6109] <... close resumed>) = 0 [pid 6108] recvfrom(3, [pid 6107] recvfrom(3, [pid 6109] symlink("/dev/binderfs", "./binderfs" [pid 6108] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=45}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6107] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=46}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6109] <... symlink resumed>) = 0 [pid 6108] recvfrom(3, [pid 6107] recvfrom(3, [pid 5835] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] write(1, "executing program\n", 18 [pid 6108] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=45}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 executing program [pid 6107] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=46}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6109] <... write resumed>) = 18 [pid 6108] close(3 [pid 6107] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6108] <... close resumed>) = 0 [pid 6107] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6109] <... socket resumed>) = 3 [pid 6108] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6107] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] <... openat resumed>) = 3 [pid 6109] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6108] <... socket resumed>) = 3 [pid 6107] <... socket resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 6109] <... sendto resumed>) = 32 [pid 6108] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6107] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6109] recvfrom(3, [pid 6108] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6109] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=48}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6108] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6107] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5835] getdents64(3, [pid 6109] recvfrom(3, [pid 6108] <... sendmsg resumed>) = 44 [pid 6107] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6109] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=48}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6108] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6107] <... sendmsg resumed>) = 44 [pid 5835] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] close(3 [pid 6108] <... openat resumed>) = 4 [pid 6107] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] <... close resumed>) = 0 [pid 6108] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6107] <... openat resumed>) = 4 [pid 6109] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] newfstatat(AT_FDCWD, "./44/binderfs", [pid 6109] <... socket resumed>) = 3 [pid 6108] <... openat resumed>) = 5 [pid 6107] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6108] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6107] <... openat resumed>) = 5 [pid 5835] unlink("./44/binderfs" [pid 6109] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6107] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6109] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 5835] <... unlink resumed>) = 0 [pid 6109] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6109] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5835] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] <... openat resumed>) = 5 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./44/cgroup.net", [pid 6109] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6106] <... writev resumed>) = 61440 [pid 6106] close(3 [pid 5835] unlink("./44/cgroup.net") = 0 [pid 5835] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6106] <... close resumed>) = 0 [pid 5835] unlink("./44/cgroup.cpu" [pid 6107] <... writev resumed>) = 61440 [pid 5835] <... unlink resumed>) = 0 [pid 6107] close(3) = 0 [pid 6107] close(4 [pid 5835] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6107] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6107] close(5 [pid 5835] unlink("./44/cgroup" [pid 6107] <... close resumed>) = 0 [pid 6107] close(6 [pid 5835] <... unlink resumed>) = 0 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] close(7 [pid 5835] getdents64(3, [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6107] close(8 [pid 5835] close(3 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] close(9 [pid 5835] <... close resumed>) = 0 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./44" [pid 6107] close(10 [pid 5835] <... rmdir resumed>) = 0 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(4 [pid 6107] close(11 [pid 6106] <... close resumed>) = 0 [pid 5835] mkdir("./45", 0777 [pid 6108] <... writev resumed>) = 61440 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6108] close(3 [pid 6107] close(12 [pid 6108] <... close resumed>) = 0 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6107] close(13) = -1 EBADF (Bad file descriptor) [pid 6108] close(4 [pid 6107] close(14) = -1 EBADF (Bad file descriptor) [pid 6107] close(15) = -1 EBADF (Bad file descriptor) [pid 6107] close(16) = -1 EBADF (Bad file descriptor) [pid 6107] close(17./strace-static-x86_64: Process 6110 attached [pid 6108] <... close resumed>) = 0 [pid 6106] close(5) = 0 [pid 6108] close(5 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(6 [pid 6108] <... close resumed>) = 0 [pid 6107] close(18 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] close(6 [pid 6110] set_robust_list(0x5555617a06a0, 24 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(7 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 48 [pid 6110] <... set_robust_list resumed>) = 0 [pid 6108] close(7 [pid 6107] close(19 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(8 [pid 6110] chdir("./45" [pid 6108] close(8 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] <... chdir resumed>) = 0 [pid 6107] close(20 [pid 6106] close(9 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] close(9 [pid 6107] close(21 [pid 6106] close(10 [pid 6110] <... prctl resumed>) = 0 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] setpgid(0, 0 [pid 6108] close(10 [pid 6107] close(22 [pid 6106] close(11 [pid 6110] <... setpgid resumed>) = 0 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(12 [pid 6110] <... symlink resumed>) = 0 [pid 6108] close(11 [pid 6107] close(23 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6108] close(12 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(13 [pid 6110] <... symlink resumed>) = 0 [pid 6107] close(24 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(14 [pid 6110] <... symlink resumed>) = 0 [pid 6108] close(13 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] close(25 [pid 6110] <... openat resumed>) = 3 [pid 6108] close(14 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(15 [pid 6110] write(3, "1000", 4 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] close(26 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] <... write resumed>) = 4 [pid 6108] close(15 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(16 [pid 6110] close(3 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] close(27 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] <... close resumed>) = 0 [pid 6108] close(16 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(17) = -1 EBADF (Bad file descriptor) [pid 6110] symlink("/dev/binderfs", "./binderfs" [pid 6107] close(28 [pid 6106] close(18 [pid 6110] <... symlink resumed>) = 0 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] close(17executing program [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] write(1, "executing program\n", 18 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] close(29 [pid 6108] close(18 [pid 6107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(19 [pid 6110] <... write resumed>) = 18 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] exit_group(0 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6108] close(19 [pid 6107] <... exit_group resumed>) = ? [pid 6106] close(20 [pid 6110] <... socket resumed>) = 3 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] +++ exited with 0 +++ [pid 6110] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6106] close(21 [pid 6110] <... sendto resumed>) = 32 [pid 6109] <... writev resumed>) = 61440 [pid 6108] close(20 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6110] recvfrom(3, [pid 6109] close(3 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(22 [pid 6110] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=48}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6109] <... close resumed>) = 0 [pid 6108] close(21 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] recvfrom(3, [pid 6109] close(4 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(23 [pid 5838] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6110] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=48}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6109] <... close resumed>) = 0 [pid 6108] close(22 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6110] close(3 [pid 6109] close(5 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(24 [pid 5838] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6110] <... close resumed>) = 0 [pid 6109] <... close resumed>) = 0 [pid 6108] close(23 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... openat resumed>) = 3 [pid 6110] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6109] close(6 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(25 [pid 5838] newfstatat(3, "", [pid 6110] <... socket resumed>) = 3 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] close(24 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6109] close(7 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(26 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6110] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] close(25 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6109] close(8 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(27 [pid 5838] getdents64(3, [pid 6110] <... sendmsg resumed>) = 44 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] close(26 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6110] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6109] close(9 [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(28 [pid 6110] <... openat resumed>) = 4 [pid 6108] close(27 [pid 5838] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] close(10 [pid 6108] close(28 [pid 6110] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] close(11 [pid 6108] close(29 [pid 6106] close(29 [pid 6110] <... openat resumed>) = 5 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6110] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6109] close(12 [pid 6108] exit_group(0 [pid 6106] exit_group(0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6109] close(13) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] close(14) = -1 EBADF (Bad file descriptor) [pid 6108] <... exit_group resumed>) = ? [pid 6108] +++ exited with 0 +++ [pid 6106] <... exit_group resumed>) = ? [pid 6109] close(15 [pid 6106] +++ exited with 0 +++ [pid 5838] unlink("./43/binderfs" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6109] close(16 [pid 5838] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] close(17 [pid 5838] newfstatat(AT_FDCWD, "./43/cgroup.net", [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] close(18 [pid 5838] unlink("./43/cgroup.net" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6109] close(19 [pid 5838] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] close(20 [pid 5838] newfstatat(AT_FDCWD, "./43/cgroup.cpu", [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] close(21) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./43/cgroup.cpu" [pid 6109] close(22 [pid 5838] <... unlink resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] close(23) = -1 EBADF (Bad file descriptor) [pid 6109] close(24 [pid 5838] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] close(25 [pid 5838] newfstatat(AT_FDCWD, "./43/cgroup", [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] close(26 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5838] unlink("./43/cgroup" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6109] close(27 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] close(28) = -1 EBADF (Bad file descriptor) [pid 6109] close(29) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6109] exit_group(0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./43" [pid 6109] <... exit_group resumed>) = ? [pid 5838] <... rmdir resumed>) = 0 [pid 5838] mkdir("./44", 0777) = 0 [pid 6109] +++ exited with 0 +++ [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(3, "", [pid 5840] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(3, "", [pid 5839] getdents64(3, [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 47 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] getdents64(3, [pid 5839] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./42/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./42/binderfs") = 0 [pid 5840] unlink("./42/binderfs") = 0 [pid 5842] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./42/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./42/cgroup.net", ./strace-static-x86_64: Process 6111 attached [pid 5842] newfstatat(3, "", [pid 5840] newfstatat(AT_FDCWD, "./42/cgroup.net", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./42/cgroup.net" [pid 5842] getdents64(3, [pid 5840] unlink("./42/cgroup.net" [pid 5839] <... unlink resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./42/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./45/binderfs" [pid 5840] newfstatat(AT_FDCWD, "./42/cgroup.cpu", [pid 5839] newfstatat(AT_FDCWD, "./42/cgroup.cpu", [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6111] set_robust_list(0x5555617a06a0, 24) = 0 [pid 5842] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./42/cgroup.cpu" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./42/cgroup.cpu" [pid 5839] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./45/cgroup.net", [pid 5840] umount2("./42/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./45/cgroup.net" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./42/cgroup", [pid 5839] newfstatat(AT_FDCWD, "./42/cgroup", [pid 5842] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./42/cgroup" [pid 5839] unlink("./42/cgroup" [pid 5842] newfstatat(AT_FDCWD, "./45/cgroup.cpu", [pid 5840] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5842] unlink("./45/cgroup.cpu" [pid 5840] getdents64(3, [pid 5839] getdents64(3, [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] close(3 [pid 5840] close(3 [pid 5839] <... close resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./45/cgroup", [pid 5840] <... close resumed>) = 0 [pid 5839] rmdir("./42" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5842] unlink("./45/cgroup" [pid 5840] rmdir("./42" [pid 5839] mkdir("./43", 0777 [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5840] mkdir("./43", 0777 [pid 5839] <... mkdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5842] getdents64(3, [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6113 attached ./strace-static-x86_64: Process 6112 attached [pid 5842] close(3) = 0 [pid 5842] rmdir("./45") = 0 [pid 5842] mkdir("./46", 0777 [pid 6113] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... mkdir resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 46 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6112] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 46 [pid 6112] <... set_robust_list resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6112] chdir("./43" [pid 6113] chdir("./43" [pid 6112] <... chdir resumed>) = 0 [pid 6113] <... chdir resumed>) = 0 [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6112] setpgid(0, 0 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6112] <... setpgid resumed>) = 0 [pid 6113] <... prctl resumed>) = 0 [pid 6112] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6113] setpgid(0, 0) = 0 [pid 6113] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6112] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6114 attached [pid 6113] <... symlink resumed>) = 0 [pid 6112] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6114] set_robust_list(0x5555617a06a0, 24 [pid 6113] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 49 [pid 6113] <... symlink resumed>) = 0 [pid 6112] <... symlink resumed>) = 0 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6113] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6112] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6114] chdir("./46") = 0 [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] <... symlink resumed>) = 0 [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] chdir("./44" [pid 6114] <... prctl resumed>) = 0 [pid 6113] <... openat resumed>) = 3 [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6114] setpgid(0, 0 [pid 6113] write(3, "1000", 4 [pid 6112] <... openat resumed>) = 3 [pid 6114] <... setpgid resumed>) = 0 [pid 6113] <... write resumed>) = 4 [pid 6114] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6113] close(3 [pid 6114] <... symlink resumed>) = 0 [pid 6113] <... close resumed>) = 0 [pid 6112] write(3, "1000", 4 [pid 6113] symlink("/dev/binderfs", "./binderfs" [pid 6112] <... write resumed>) = 4 [pid 6114] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6113] <... symlink resumed>) = 0 [pid 6114] <... symlink resumed>) = 0 [pid 6112] close(3 [pid 6113] write(1, "executing program\n", 18 [pid 6112] <... close resumed>) = 0 executing program [pid 6114] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6113] <... write resumed>) = 18 [pid 6112] symlink("/dev/binderfs", "./binderfs" [pid 6114] <... symlink resumed>) = 0 executing program [pid 6113] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6112] <... symlink resumed>) = 0 [pid 6113] <... socket resumed>) = 3 [pid 6112] write(1, "executing program\n", 18 [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6113] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6112] <... write resumed>) = 18 [pid 6114] <... openat resumed>) = 3 [pid 6113] <... sendto resumed>) = 32 [pid 6112] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6111] <... chdir resumed>) = 0 [pid 6114] write(3, "1000", 4 [pid 6113] recvfrom(3, [pid 6112] <... socket resumed>) = 3 [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6114] <... write resumed>) = 4 [pid 6111] <... prctl resumed>) = 0 [pid 6114] close(3 [pid 6113] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=46}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6112] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6114] <... close resumed>) = 0 [pid 6113] recvfrom(3, [pid 6112] <... sendto resumed>) = 32 [pid 6111] setpgid(0, 0 [pid 6114] symlink("/dev/binderfs", "./binderfs" [pid 6113] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=46}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6112] recvfrom(3, [pid 6111] <... setpgid resumed>) = 0 [pid 6114] <... symlink resumed>) = 0 [pid 6113] close(3 [pid 6112] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=46}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6111] symlink("/syzcgroup/unified/syz1", "./cgroup"executing program [pid 6114] write(1, "executing program\n", 18 [pid 6113] <... close resumed>) = 0 [pid 6112] recvfrom(3, [pid 6111] <... symlink resumed>) = 0 [pid 6114] <... write resumed>) = 18 [pid 6113] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6112] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=46}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6114] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6113] <... socket resumed>) = 3 [pid 6112] close(3 [pid 6111] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6114] <... socket resumed>) = 3 [pid 6113] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6112] <... close resumed>) = 0 [pid 6111] <... symlink resumed>) = 0 [pid 6114] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6113] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6112] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6111] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6114] <... sendto resumed>) = 32 [pid 6113] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6112] <... socket resumed>) = 3 [pid 6111] <... symlink resumed>) = 0 [pid 6114] recvfrom(3, [pid 6113] <... sendmsg resumed>) = 44 [pid 6112] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6114] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=49}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6113] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6112] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6114] recvfrom(3, [pid 6113] <... openat resumed>) = 4 [pid 6112] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6114] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=49}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6113] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6112] <... sendmsg resumed>) = 44 [pid 6111] <... openat resumed>) = 3 [pid 6114] close(3 [pid 6113] <... openat resumed>) = 5 [pid 6112] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6111] write(3, "1000", 4 [pid 6110] <... writev resumed>) = 61440 [pid 6114] <... close resumed>) = 0 [pid 6113] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6112] <... openat resumed>) = 4 [pid 6111] <... write resumed>) = 4 [pid 6110] close(3 [pid 6114] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6112] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6111] close(3 [pid 6114] <... socket resumed>) = 3 [pid 6110] <... close resumed>) = 0 [pid 6114] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6112] <... openat resumed>) = 5 [pid 6111] <... close resumed>) = 0 [pid 6110] close(4 [pid 6114] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6112] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6111] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6114] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6110] <... close resumed>) = 0 [pid 6114] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6110] close(5 [pid 6114] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6110] <... close resumed>) = 0 [pid 6114] <... openat resumed>) = 5 [pid 6110] close(6) = -1 EBADF (Bad file descriptor) [pid 6110] close(7 [pid 6114] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6110] close(8 [pid 6111] write(1, "executing program\n", 18 [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] <... write resumed>) = 18 [pid 6110] close(9 [pid 6111] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] <... socket resumed>) = 3 [pid 6110] close(10) = -1 EBADF (Bad file descriptor) [pid 6110] close(11) = -1 EBADF (Bad file descriptor) [pid 6110] close(12) = -1 EBADF (Bad file descriptor) [pid 6110] close(13) = -1 EBADF (Bad file descriptor) [pid 6110] close(14) = -1 EBADF (Bad file descriptor) [pid 6110] close(15) = -1 EBADF (Bad file descriptor) [pid 6110] close(16 [pid 6111] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] close(17) = -1 EBADF (Bad file descriptor) [pid 6110] close(18 [pid 6111] <... sendto resumed>) = 32 [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6110] close(19) = -1 EBADF (Bad file descriptor) [pid 6111] recvfrom(3, [pid 6110] close(20 [pid 6111] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=47}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6111] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=47}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6111] close(3 [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] <... close resumed>) = 0 [pid 6110] close(21 [pid 6111] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] <... socket resumed>) = 3 [pid 6110] close(22 [pid 6111] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6110] close(23 [pid 6111] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] <... sendmsg resumed>) = 44 [pid 6110] close(24 [pid 6111] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] <... openat resumed>) = 4 [pid 6110] close(25) = -1 EBADF (Bad file descriptor) [pid 6110] close(26) = -1 EBADF (Bad file descriptor) [pid 6110] close(27) = -1 EBADF (Bad file descriptor) [pid 6111] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6110] close(28) = -1 EBADF (Bad file descriptor) [pid 6111] <... openat resumed>) = 5 [pid 6110] close(29) = -1 EBADF (Bad file descriptor) [pid 6111] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6110] exit_group(0) = ? [pid 6110] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5835] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6113] <... writev resumed>) = 61440 [pid 6113] close(3) = 0 [pid 6113] close(4 [pid 6114] <... writev resumed>) = 61440 [pid 6113] <... close resumed>) = 0 [pid 6113] close(5) = 0 [pid 6113] close(6) = -1 EBADF (Bad file descriptor) [pid 6113] close(7) = -1 EBADF (Bad file descriptor) [pid 6113] close(8) = -1 EBADF (Bad file descriptor) [pid 6113] close(9) = -1 EBADF (Bad file descriptor) [pid 6113] close(10) = -1 EBADF (Bad file descriptor) [pid 6113] close(11) = -1 EBADF (Bad file descriptor) [pid 6113] close(12) = -1 EBADF (Bad file descriptor) [pid 6113] close(13) = -1 EBADF (Bad file descriptor) [pid 6113] close(14) = -1 EBADF (Bad file descriptor) [pid 6113] close(15) = -1 EBADF (Bad file descriptor) [pid 6113] close(16 [pid 6114] close(3 [pid 5835] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6114] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] close(4 [pid 6113] close(17 [pid 5835] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6114] <... close resumed>) = 0 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6113] close(18 [pid 6114] close(5 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] <... close resumed>) = 0 [pid 6113] close(19 [pid 5835] newfstatat(3, "", [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] close(6 [pid 6113] close(20 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(21) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6114] close(7 [pid 6113] close(22 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6114] close(8 [pid 6113] close(23 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6114] close(9 [pid 6113] close(24 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./45/binderfs" [pid 6114] close(10 [pid 6113] close(25 [pid 5835] <... unlink resumed>) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6114] close(11 [pid 6113] close(26 [pid 6112] <... writev resumed>) = 61440 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6114] close(12 [pid 6113] close(27 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./45/cgroup.net", [pid 6114] close(13 [pid 6113] close(28 [pid 6112] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(4 [pid 5835] unlink("./45/cgroup.net" [pid 6114] close(14 [pid 6113] close(29 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = 0 [pid 6114] close(15 [pid 6112] close(5 [pid 5835] <... unlink resumed>) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] exit_group(0 [pid 6112] <... close resumed>) = 0 [pid 6114] close(16 [pid 6113] <... exit_group resumed>) = ? [pid 6112] close(6 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6114] close(17 [pid 6113] +++ exited with 0 +++ [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] close(18) = -1 EBADF (Bad file descriptor) [pid 6112] close(7 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6114] close(19 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./45/cgroup.cpu", [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(8 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6114] close(20 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./45/cgroup.cpu" [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(9 [pid 5835] <... unlink resumed>) = 0 [pid 6114] close(21) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6114] close(22 [pid 6112] close(10 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./45/cgroup", [pid 6114] close(23 [pid 6112] close(11 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./45/cgroup" [pid 6114] close(24 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(12 [pid 5835] <... unlink resumed>) = 0 [pid 6114] close(25 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(13 [pid 5835] getdents64(3, [pid 6114] close(26 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(14 [pid 6114] close(27 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] close(3 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] close(28 [pid 6112] close(15 [pid 5839] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... close resumed>) = 0 [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 6114] close(29 [pid 6112] close(16 [pid 5835] rmdir("./45" [pid 6114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(3, "", [pid 6114] exit_group(0 [pid 6112] close(17 [pid 6114] <... exit_group resumed>) = ? [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6114] +++ exited with 0 +++ [pid 6112] close(18) = -1 EBADF (Bad file descriptor) [pid 6112] close(19) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6112] close(20 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] mkdir("./46", 0777 [pid 6112] close(21 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... mkdir resumed>) = 0 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6112] close(22 [pid 5839] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6112] close(23 [pid 5839] unlink("./43/binderfs" [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6112] close(24 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5839] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6112] close(25 [pid 5839] newfstatat(AT_FDCWD, "./43/cgroup.net", [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6112] close(26 [pid 5839] unlink("./43/cgroup.net" [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6112] close(27 [pid 5842] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6115 attached [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6115] set_robust_list(0x5555617a06a0, 24 [pid 6112] close(28 [pid 5842] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6115] <... set_robust_list resumed>) = 0 [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 49 [pid 6115] chdir("./46" [pid 6112] close(29 [pid 5839] newfstatat(AT_FDCWD, "./43/cgroup.cpu", [pid 6112] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6112] exit_group(0 [pid 5842] newfstatat(3, "", [pid 5839] unlink("./43/cgroup.cpu" [pid 6115] <... chdir resumed>) = 0 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6112] <... exit_group resumed>) = ? [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6112] +++ exited with 0 +++ [pid 6115] <... prctl resumed>) = 0 [pid 5842] getdents64(3, [pid 5839] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6115] setpgid(0, 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] <... setpgid resumed>) = 0 [pid 5842] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./43/cgroup", [pid 6115] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./46/binderfs", [pid 5839] unlink("./43/cgroup" [pid 6115] <... symlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5842] unlink("./46/binderfs" [pid 5839] getdents64(3, [pid 6115] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6115] <... symlink resumed>) = 0 [pid 5842] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] close(3 [pid 6115] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... close resumed>) = 0 [pid 6115] <... symlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./46/cgroup.net", [pid 5839] rmdir("./43" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5839] <... rmdir resumed>) = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] unlink("./46/cgroup.net" [pid 5839] mkdir("./44", 0777 [pid 6115] <... openat resumed>) = 3 [pid 5839] <... mkdir resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6115] write(3, "1000", 4 [pid 5842] newfstatat(AT_FDCWD, "./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6115] <... write resumed>) = 4 [pid 5842] unlink("./46/cgroup.cpu" [pid 6115] close(3 [pid 6111] <... writev resumed>) = 61440 [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6115] <... close resumed>) = 0 [pid 6111] close(3 [pid 5842] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] newfstatat(AT_FDCWD, "./46/cgroup", [pid 6115] <... symlink resumed>) = 0 executing program [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6115] write(1, "executing program\n", 18 [pid 5842] unlink("./46/cgroup" [pid 5840] newfstatat(3, "", [pid 6115] <... write resumed>) = 18 [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 6115] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] getdents64(3, ./strace-static-x86_64: Process 6116 attached [pid 6115] <... socket resumed>) = 3 [pid 5842] close(3 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 47 [pid 6116] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... close resumed>) = 0 [pid 5840] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6111] <... close resumed>) = 0 [pid 5842] rmdir("./46" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6116] chdir("./44" [pid 6115] <... sendto resumed>) = 32 [pid 6111] close(4 [pid 5842] <... rmdir resumed>) = 0 [pid 6116] <... chdir resumed>) = 0 [pid 6115] recvfrom(3, [pid 5842] mkdir("./47", 0777 [pid 5840] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=49}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6116] <... prctl resumed>) = 0 [pid 6115] recvfrom(3, [pid 6111] <... close resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6116] setpgid(0, 0 [pid 6115] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=49}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6116] <... setpgid resumed>) = 0 [pid 6115] close(3 [pid 6111] close(5 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] unlink("./43/binderfs" [pid 6116] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6115] <... close resumed>) = 0 [pid 6116] <... symlink resumed>) = 0 [pid 6111] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6116] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6115] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] umount2("./43/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6117 attached [pid 6115] <... socket resumed>) = 3 [pid 6111] close(6 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] set_robust_list(0x5555617a06a0, 24 [pid 6116] <... symlink resumed>) = 0 [pid 6115] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 50 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6116] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6115] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6111] close(7 [pid 5840] newfstatat(AT_FDCWD, "./43/cgroup.net", [pid 6115] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6117] chdir("./47" [pid 6116] <... symlink resumed>) = 0 [pid 6115] <... sendmsg resumed>) = 44 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6117] <... chdir resumed>) = 0 [pid 6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6115] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6111] close(8 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./43/cgroup.net" [pid 6117] <... prctl resumed>) = 0 [pid 6116] <... openat resumed>) = 3 [pid 6115] <... openat resumed>) = 4 [pid 6111] close(9 [pid 6117] setpgid(0, 0 [pid 6116] write(3, "1000", 4 [pid 6115] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6117] <... setpgid resumed>) = 0 [pid 6116] <... write resumed>) = 4 [pid 6115] <... openat resumed>) = 5 [pid 6111] close(10 [pid 5840] umount2("./43/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6116] close(3 [pid 6115] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6111] close(11 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] <... symlink resumed>) = 0 [pid 6116] <... close resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./43/cgroup.cpu", [pid 6116] symlink("/dev/binderfs", "./binderfs" [pid 6111] close(12 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./43/cgroup.cpu" [pid 6111] close(13 [pid 5840] <... unlink resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(14 [pid 5840] umount2("./43/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(15) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6111] close(16 [pid 5840] newfstatat(AT_FDCWD, "./43/cgroup", [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6111] close(17) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./43/cgroup" [pid 6111] close(18 [pid 5840] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6111] close(19 [pid 6116] <... symlink resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 6111] close(20 [pid 5840] <... close resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(21) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./43" [pid 6111] close(22 [pid 5840] <... rmdir resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./44", 0777 [pid 6111] close(23) = -1 EBADF (Bad file descriptor) [pid 6111] close(24 [pid 5840] <... mkdir resumed>) = 0 [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6111] close(25 [pid 6117] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6111] close(26) = -1 EBADF (Bad file descriptor) [pid 6111] close(27) = -1 EBADF (Bad file descriptor) [pid 6111] close(28) = -1 EBADF (Bad file descriptor) [pid 6111] close(29) = -1 EBADF (Bad file descriptor) [pid 6111] exit_group(0) = ? [pid 6117] <... symlink resumed>) = 0 [pid 6111] +++ exited with 0 +++ [pid 6117] symlink("/syzcgroup/net/syz4", "./cgroup.net"executing program ) = 0 [pid 6116] write(1, "executing program\n", 18 [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] <... write resumed>) = 18 ./strace-static-x86_64: Process 6118 attached [pid 6117] <... openat resumed>) = 3 [pid 6116] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6118] set_robust_list(0x5555617a06a0, 24 [pid 6117] write(3, "1000", 4 [pid 6116] <... socket resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 47 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6118] <... set_robust_list resumed>) = 0 [pid 6117] <... write resumed>) = 4 [pid 6116] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6118] chdir("./44" [pid 6117] close(3 [pid 6116] <... sendto resumed>) = 32 [pid 6118] <... chdir resumed>) = 0 [pid 6117] <... close resumed>) = 0 [pid 6116] recvfrom(3, [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6117] symlink("/dev/binderfs", "./binderfs" [pid 6116] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=47}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6118] <... prctl resumed>) = 0 [pid 6117] <... symlink resumed>) = 0 [pid 6116] recvfrom(3, [pid 5838] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] setpgid(0, 0 [pid 6117] write(1, "executing program\n", 18 [pid 6116] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=47}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 executing program [pid 6118] <... setpgid resumed>) = 0 [pid 6117] <... write resumed>) = 18 [pid 6116] close(3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6118] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6117] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6116] <... close resumed>) = 0 [pid 6118] <... symlink resumed>) = 0 [pid 6117] <... socket resumed>) = 3 [pid 6116] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5838] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6117] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6116] <... socket resumed>) = 3 [pid 5838] <... openat resumed>) = 3 [pid 6118] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6117] <... sendto resumed>) = 32 [pid 6116] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6118] <... symlink resumed>) = 0 [pid 6116] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5838] newfstatat(3, "", [pid 6118] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6117] recvfrom(3, [pid 6116] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6118] <... symlink resumed>) = 0 [pid 6117] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=50}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6116] <... sendmsg resumed>) = 44 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6117] recvfrom(3, [pid 6116] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6118] <... openat resumed>) = 3 [pid 6117] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=50}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6116] <... openat resumed>) = 4 [pid 5838] getdents64(3, [pid 6118] write(3, "1000", 4 [pid 6117] close(3 [pid 6116] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6118] <... write resumed>) = 4 [pid 6117] <... close resumed>) = 0 [pid 6116] <... openat resumed>) = 5 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6118] close(3 [pid 6117] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6118] <... close resumed>) = 0 [pid 6117] <... socket resumed>) = 3 [pid 6116] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5838] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] symlink("/dev/binderfs", "./binderfs" [pid 6117] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6118] <... symlink resumed>) = 0 [pid 6117] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6118] write(1, "executing program\n", 18 [pid 6117] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5838] newfstatat(AT_FDCWD, "./44/binderfs", [pid 6118] <... write resumed>) = 18 [pid 6117] <... sendmsg resumed>) = 44 [pid 6118] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6117] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6118] <... socket resumed>) = 3 [pid 6117] <... openat resumed>) = 4 [pid 5838] unlink("./44/binderfs" [pid 6118] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6117] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5838] <... unlink resumed>) = 0 [pid 6118] <... sendto resumed>) = 32 [pid 5838] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] recvfrom(3, [pid 6117] <... openat resumed>) = 5 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6118] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=47}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6117] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5838] newfstatat(AT_FDCWD, "./44/cgroup.net", [pid 6118] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=47}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6118] close(3 [pid 6116] <... writev resumed>) = 61440 [pid 6115] <... writev resumed>) = 61440 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6118] <... close resumed>) = 0 [pid 6116] close(3 [pid 6115] close(3 [pid 6118] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6116] <... close resumed>) = 0 [pid 5838] unlink("./44/cgroup.net" [pid 6116] close(4 [pid 6115] <... close resumed>) = 0 [pid 6118] <... socket resumed>) = 3 [pid 6116] <... close resumed>) = 0 [pid 6115] close(4 [pid 5838] <... unlink resumed>) = 0 [pid 6118] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6116] close(5 [pid 6115] <... close resumed>) = 0 [pid 5838] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6116] <... close resumed>) = 0 [pid 6118] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6118] <... sendmsg resumed>) = 44 [pid 6116] close(6) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./44/cgroup.cpu", [pid 6118] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6116] close(7 [pid 6118] <... openat resumed>) = 4 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6116] close(8 [pid 5838] unlink("./44/cgroup.cpu" [pid 6118] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6116] close(9 [pid 5838] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] <... openat resumed>) = 5 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6118] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6116] close(10 [pid 5838] newfstatat(AT_FDCWD, "./44/cgroup", [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(5) = 0 [pid 6116] close(11 [pid 6115] close(6 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(7 [pid 5838] unlink("./44/cgroup") = 0 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(8) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6115] close(9) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6115] close(10 [pid 5838] close(3 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 6116] close(12 [pid 6115] close(11 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] rmdir("./44" [pid 6116] close(13 [pid 6115] close(12 [pid 5838] <... rmdir resumed>) = 0 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(14 [pid 6117] <... writev resumed>) = 61440 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(3 [pid 6116] close(15 [pid 6115] close(13 [pid 5838] mkdir("./45", 0777 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = 0 [pid 6116] close(16 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mkdir resumed>) = 0 [pid 6117] close(4 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(14 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6117] <... close resumed>) = 0 [pid 6116] close(17 [pid 6117] close(5 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = 0 [pid 6115] close(15./strace-static-x86_64: Process 6119 attached [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(6 [pid 6116] close(18 [pid 6115] close(16 [pid 6119] set_robust_list(0x5555617a06a0, 24 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 48 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6117] close(7 [pid 6116] close(19 [pid 6115] close(17 [pid 6119] chdir("./45" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(8 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(18 [pid 6119] <... chdir resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(20 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6117] close(9 [pid 6115] close(19 [pid 6119] <... prctl resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] setpgid(0, 0 [pid 6117] close(10 [pid 6116] close(21 [pid 6115] close(20 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... setpgid resumed>) = 0 [pid 6119] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6117] close(11 [pid 6116] close(22 [pid 6115] close(21 [pid 6119] <... symlink resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6117] close(12 [pid 6116] close(23 [pid 6115] close(22 [pid 6119] <... symlink resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(13 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(24 [pid 6115] close(23 [pid 6119] <... symlink resumed>) = 0 [pid 6117] close(14 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(25 [pid 6117] close(15 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... openat resumed>) = 3 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(24 [pid 6119] write(3, "1000", 4 [pid 6117] close(16 [pid 6116] close(26 [pid 6119] <... write resumed>) = 4 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(3 [pid 6117] close(17 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(25 [pid 6119] <... close resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(27 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(18 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(26 [pid 6119] symlink("/dev/binderfs", "./binderfs" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(28 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... symlink resumed>) = 0 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(27executing program [pid 6119] write(1, "executing program\n", 18 [pid 6117] close(19 [pid 6116] close(29 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... write resumed>) = 18 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(28 [pid 6119] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6117] close(20 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... socket resumed>) = 3 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] exit_group(0 [pid 6115] close(29 [pid 6117] close(21 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] exit_group(0 [pid 6116] <... exit_group resumed>) = ? [pid 6119] <... sendto resumed>) = 32 [pid 6117] close(22 [pid 6115] <... exit_group resumed>) = ? [pid 6119] recvfrom(3, [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] +++ exited with 0 +++ [pid 6119] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=48}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6117] close(23 [pid 6119] recvfrom(3, [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] +++ exited with 0 +++ [pid 6119] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=48}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6117] close(24 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6119] close(3 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6119] <... close resumed>) = 0 [pid 6117] close(25 [pid 6119] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... socket resumed>) = 3 [pid 6117] close(26 [pid 6119] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6119] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6117] close(27 [pid 6119] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] close(28 [pid 5839] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6119] <... sendmsg resumed>) = 44 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6119] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6117] close(29 [pid 6119] <... openat resumed>) = 4 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6119] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6117] exit_group(0 [pid 5839] newfstatat(3, "", [pid 5835] newfstatat(3, "", [pid 6119] <... openat resumed>) = 5 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6117] <... exit_group resumed>) = ? [pid 5839] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6117] +++ exited with 0 +++ [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6119] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] getdents64(3, [pid 5839] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./44/binderfs" [pid 6118] <... writev resumed>) = 61440 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6118] close(3 [pid 5842] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6118] <... close resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5839] newfstatat(AT_FDCWD, "./44/cgroup.net", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6118] close(4) = 0 [pid 5842] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./46/binderfs" [pid 6118] close(5 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6118] <... close resumed>) = 0 [pid 5842] getdents64(3, [pid 5839] unlink("./44/cgroup.net" [pid 5835] <... unlink resumed>) = 0 [pid 6118] close(6 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... unlink resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] close(7 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5839] newfstatat(AT_FDCWD, "./44/cgroup.cpu", [pid 5835] newfstatat(AT_FDCWD, "./46/cgroup.net", [pid 6118] close(8 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./47/binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6118] close(9 [pid 5842] <... unlink resumed>) = 0 [pid 5839] unlink("./44/cgroup.cpu" [pid 5835] unlink("./46/cgroup.net" [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6118] close(10) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] close(11 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./47/cgroup.net", [pid 5839] newfstatat(AT_FDCWD, "./44/cgroup", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6118] close(12 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./46/cgroup.cpu", [pid 6118] close(13 [pid 5842] unlink("./47/cgroup.net" [pid 5839] unlink("./44/cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5835] unlink("./46/cgroup.cpu" [pid 6118] close(14) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5835] <... unlink resumed>) = 0 [pid 6118] close(15 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] close(3 [pid 5835] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./47/cgroup.cpu", [pid 5839] <... close resumed>) = 0 [pid 6118] close(16 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] rmdir("./44" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./47/cgroup.cpu" [pid 5839] <... rmdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./46/cgroup", [pid 5842] <... unlink resumed>) = 0 [pid 6118] close(17 [pid 5842] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] mkdir("./45", 0777 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 6118] close(18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./46/cgroup" [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./47/cgroup", [pid 5835] <... unlink resumed>) = 0 [pid 6118] close(19 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] getdents64(3, [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./47/cgroup" [pid 6118] close(20 [pid 5842] <... unlink resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, ./strace-static-x86_64: Process 6120 attached [pid 6118] close(21 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6120] set_robust_list(0x5555617a06a0, 24 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 5835] close(3 [pid 6120] <... set_robust_list resumed>) = 0 [pid 6120] chdir("./45" [pid 6118] close(22 [pid 5842] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./47" [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 48 [pid 5835] rmdir("./46" [pid 6120] <... chdir resumed>) = 0 [pid 6118] close(23 [pid 5842] <... rmdir resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./48", 0777 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6118] close(24 [pid 6120] <... prctl resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 6120] setpgid(0, 0 [pid 6118] close(25 [pid 5835] mkdir("./47", 0777 [pid 6120] <... setpgid resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... mkdir resumed>) = 0 [pid 6120] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6118] close(26 [pid 6120] <... symlink resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6120] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6118] close(27 [pid 6120] <... symlink resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6118] close(28 [pid 6120] <... symlink resumed>) = 0 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6118] close(29 [pid 6120] <... openat resumed>) = 3 [pid 6118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] exit_group(0) = ? ./strace-static-x86_64: Process 6121 attached [pid 6120] write(3, "1000", 4 [pid 6118] +++ exited with 0 +++ [pid 6121] set_robust_list(0x5555617a06a0, 24./strace-static-x86_64: Process 6122 attached [pid 6120] <... write resumed>) = 4 [pid 6122] set_robust_list(0x5555617a06a0, 24 [pid 6120] close(3 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 50 [pid 6122] <... set_robust_list resumed>) = 0 [pid 6120] <... close resumed>) = 0 [pid 6120] symlink("/dev/binderfs", "./binderfs" [pid 6122] chdir("./47" [pid 6120] <... symlink resumed>) = 0 executing program [pid 6122] <... chdir resumed>) = 0 [pid 6120] write(1, "executing program\n", 18) = 18 [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6120] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6122] <... prctl resumed>) = 0 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] <... socket resumed>) = 3 [pid 6119] <... writev resumed>) = 61440 [pid 6122] setpgid(0, 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 51 [pid 6122] <... setpgid resumed>) = 0 [pid 6121] chdir("./48" [pid 6122] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6120] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6119] close(3 [pid 6122] <... symlink resumed>) = 0 [pid 6121] <... chdir resumed>) = 0 [pid 6120] <... sendto resumed>) = 32 [pid 6119] <... close resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6122] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6120] recvfrom(3, [pid 6119] close(4 [pid 6121] <... prctl resumed>) = 0 [pid 6121] setpgid(0, 0) = 0 [pid 6120] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=48}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6119] <... close resumed>) = 0 [pid 6122] <... symlink resumed>) = 0 [pid 6121] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6120] recvfrom(3, [pid 6119] close(5 [pid 6122] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6121] <... symlink resumed>) = 0 [pid 6120] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=48}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5840] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6122] <... symlink resumed>) = 0 [pid 6120] close(3 [pid 6119] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6119] close(6 [pid 5840] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6122] <... openat resumed>) = 3 [pid 6121] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6122] write(3, "1000", 4 [pid 6121] <... symlink resumed>) = 0 [pid 6120] <... close resumed>) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 6122] <... write resumed>) = 4 [pid 6121] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6119] close(7 [pid 6122] close(3 [pid 6121] <... symlink resumed>) = 0 [pid 6120] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 6122] <... close resumed>) = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] symlink("/dev/binderfs", "./binderfs" [pid 6121] <... openat resumed>) = 3 [pid 6119] close(8 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6121] write(3, "1000", 4) = 4 [pid 6121] close(3) = 0 executing program [pid 6121] symlink("/dev/binderfs", "./binderfs" [pid 6122] <... symlink resumed>) = 0 [pid 6121] <... symlink resumed>) = 0 [pid 6120] <... socket resumed>) = 3 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 6122] write(1, "executing program\n", 18 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6122] <... write resumed>) = 18 [pid 6119] close(9 [pid 5840] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC executing program [pid 6121] write(1, "executing program\n", 18 [pid 6120] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6119] close(10 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6122] <... socket resumed>) = 3 [pid 6121] <... write resumed>) = 18 [pid 6120] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./44/binderfs", [pid 6122] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6121] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6120] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6122] <... sendto resumed>) = 32 [pid 6121] <... socket resumed>) = 3 [pid 6120] <... sendmsg resumed>) = 44 [pid 6119] close(11 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6121] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6120] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6122] recvfrom(3, [pid 6121] <... sendto resumed>) = 32 [pid 6120] <... openat resumed>) = 4 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./44/binderfs" [pid 6122] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=50}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6119] close(12 [pid 6122] recvfrom(3, [pid 5840] <... unlink resumed>) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=50}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6119] close(13 [pid 5840] umount2("./44/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6122] close(3 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(14 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... close resumed>) = 0 [pid 6121] recvfrom(3, [pid 6120] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6119] close(15 [pid 5840] newfstatat(AT_FDCWD, "./44/cgroup.net", [pid 6122] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6121] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=51}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6120] <... openat resumed>) = 5 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... socket resumed>) = 3 [pid 6121] recvfrom(3, [pid 6120] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6122] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6121] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=51}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6119] close(16 [pid 6122] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6121] close(3 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./44/cgroup.net" [pid 6122] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6121] <... close resumed>) = 0 [pid 6119] close(17 [pid 5840] <... unlink resumed>) = 0 [pid 6122] <... sendmsg resumed>) = 44 [pid 6121] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./44/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6122] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6121] <... socket resumed>) = 3 [pid 6119] close(18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6122] <... openat resumed>) = 4 [pid 6121] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./44/cgroup.cpu", [pid 6121] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6119] close(19 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6121] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6122] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6121] <... sendmsg resumed>) = 44 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./44/cgroup.cpu" [pid 6122] <... openat resumed>) = 5 [pid 6121] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6119] close(20 [pid 5840] <... unlink resumed>) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... openat resumed>) = 4 [pid 6119] close(21 [pid 6122] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./44/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6119] close(22 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6121] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... openat resumed>) = 5 [pid 5840] newfstatat(AT_FDCWD, "./44/cgroup", [pid 6121] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6119] close(23) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6119] close(24 [pid 5840] unlink("./44/cgroup" [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6120] <... writev resumed>) = 61440 [pid 6119] close(25 [pid 5840] getdents64(3, [pid 6120] close(3 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = 0 [pid 6119] close(26 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6120] close(4 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 6120] <... close resumed>) = 0 [pid 6119] close(27 [pid 5840] <... close resumed>) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... writev resumed>) = 61440 [pid 6121] close(3) = 0 [pid 6121] close(4) = 0 [pid 6121] close(5) = 0 [pid 6121] close(6 [pid 6120] close(5 [pid 6119] close(28 [pid 5840] rmdir("./44" [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 6121] close(7 [pid 6120] close(6 [pid 6119] close(29 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./45", 0777 [pid 6121] close(8 [pid 6120] close(7 [pid 6119] exit_group(0 [pid 5840] <... mkdir resumed>) = 0 [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] close(8 [pid 6119] <... exit_group resumed>) = ? [pid 6121] close(9 [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] close(9) = -1 EBADF (Bad file descriptor) [pid 6121] close(10 [pid 6120] close(10 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(11 [pid 6120] close(11 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(12 [pid 6120] close(12 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(13 [pid 6120] close(13 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(14 [pid 6120] close(14 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(15 [pid 6120] close(15./strace-static-x86_64: Process 6123 attached [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] +++ exited with 0 +++ [pid 6123] set_robust_list(0x5555617a06a0, 24 [pid 6121] close(16 [pid 6120] close(16 [pid 6123] <... set_robust_list resumed>) = 0 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 48 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6123] chdir("./45" [pid 6122] <... writev resumed>) = 61440 [pid 6121] close(17 [pid 6120] close(17 [pid 6123] <... chdir resumed>) = 0 [pid 6122] close(3 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] <... close resumed>) = 0 [pid 6121] close(18 [pid 6120] close(18 [pid 6123] <... prctl resumed>) = 0 [pid 6122] close(4 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6123] setpgid(0, 0 [pid 6122] <... close resumed>) = 0 [pid 6121] close(19 [pid 6120] close(19 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] <... setpgid resumed>) = 0 [pid 6122] close(5 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6123] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6122] <... close resumed>) = 0 [pid 6121] close(20 [pid 6120] close(20 [pid 6123] <... symlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 6123] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6122] close(6 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6123] <... symlink resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(21 [pid 6120] close(21 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6123] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6122] close(7 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6123] <... symlink resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] close(22 [pid 6120] close(22 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] close(8 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... openat resumed>) = 3 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6122] close(9 [pid 6121] close(23 [pid 6120] close(23 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] write(3, "1000", 4 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6123] <... write resumed>) = 4 [pid 6122] close(10 [pid 6121] close(24 [pid 6120] close(24 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6123] close(3 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = 0 [pid 6122] close(11 [pid 6121] close(25 [pid 5838] unlink("./45/binderfs" [pid 6123] symlink("/dev/binderfs", "./binderfs" [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] close(25 [pid 6123] <... symlink resumed>) = 0 [pid 6122] close(12 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6123] write(1, "executing program\n", 18 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6121] close(26 [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6123] <... write resumed>) = 18 [pid 6122] close(13 [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] close(26 [pid 6123] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(14 [pid 6121] close(27 [pid 6120] close(27 [pid 5838] newfstatat(AT_FDCWD, "./45/cgroup.net", [pid 6123] <... socket resumed>) = 3 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6123] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6122] close(15 [pid 6121] close(28 [pid 6120] close(28 [pid 5838] unlink("./45/cgroup.net" [pid 6123] <... sendto resumed>) = 32 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6123] recvfrom(3, [pid 6122] close(16 [pid 6121] close(29 [pid 6120] close(29 [pid 6123] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=48}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6123] recvfrom(3, [pid 6122] close(17 [pid 6121] exit_group(0 [pid 6123] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=48}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] exit_group(0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] close(3 [pid 6122] close(18 [pid 6121] <... exit_group resumed>) = ? [pid 6120] <... exit_group resumed>) = ? [pid 5838] newfstatat(AT_FDCWD, "./45/cgroup.cpu", [pid 6121] +++ exited with 0 +++ [pid 6123] <... close resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6120] +++ exited with 0 +++ [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6122] close(19 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] unlink("./45/cgroup.cpu" [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6122] close(20 [pid 5838] <... unlink resumed>) = 0 [pid 6123] <... socket resumed>) = 3 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] close(21) = -1 EBADF (Bad file descriptor) [pid 6122] close(22 [pid 6123] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6122] close(23 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6123] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... sendmsg resumed>) = 44 [pid 6122] close(24 [pid 5842] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(AT_FDCWD, "./45/cgroup", [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6122] close(25 [pid 5842] newfstatat(3, "", [pid 5838] unlink("./45/cgroup" [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6122] close(26 [pid 5839] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6123] <... openat resumed>) = 4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 5838] getdents64(3, [pid 6122] close(27) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6123] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6122] close(28 [pid 5842] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6123] <... openat resumed>) = 5 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5838] close(3 [pid 6122] close(29 [pid 5842] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6123] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(3, "", [pid 6122] exit_group(0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./45") = 0 [pid 5838] mkdir("./46", 0777) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] unlink("./48/binderfs"./strace-static-x86_64: Process 6124 attached [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6124] set_robust_list(0x5555617a06a0, 24) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./48/cgroup.net", [pid 6124] chdir("./46" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./48/cgroup.net") = 0 [pid 5842] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./48/cgroup.cpu") = 0 [pid 5842] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6122] <... exit_group resumed>) = ? [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 49 [pid 6124] <... chdir resumed>) = 0 [pid 6122] +++ exited with 0 +++ [pid 5842] unlink("./48/cgroup" [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... unlink resumed>) = 0 [pid 6124] <... prctl resumed>) = 0 [pid 5839] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6124] setpgid(0, 0 [pid 5842] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6124] <... setpgid resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6124] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5842] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./48" [pid 5839] unlink("./45/binderfs" [pid 5842] <... rmdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6124] <... symlink resumed>) = 0 [pid 6124] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5842] mkdir("./49", 0777 [pid 5839] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... mkdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6124] <... symlink resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] newfstatat(AT_FDCWD, "./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6124] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5839] unlink("./45/cgroup.net" [pid 6124] <... symlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./45/cgroup.cpu", [pid 6124] <... openat resumed>) = 3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6125 attached [pid 5839] unlink("./45/cgroup.cpu" [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6125] set_robust_list(0x5555617a06a0, 24 [pid 6124] write(3, "1000", 4 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 52 [pid 5839] <... unlink resumed>) = 0 [pid 6124] <... write resumed>) = 4 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6124] close(3 [pid 5839] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6124] <... close resumed>) = 0 [pid 6124] symlink("/dev/binderfs", "./binderfs" [pid 6125] chdir("./49" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6124] <... symlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./45/cgroup", [pid 6125] <... chdir resumed>) = 0 executing program [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6124] write(1, "executing program\n", 18 [pid 6125] <... prctl resumed>) = 0 [pid 6124] <... write resumed>) = 18 [pid 5839] unlink("./45/cgroup" [pid 6125] setpgid(0, 0 [pid 6124] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] <... unlink resumed>) = 0 [pid 6124] <... socket resumed>) = 3 [pid 6125] <... setpgid resumed>) = 0 [pid 5839] getdents64(3, [pid 5835] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6125] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6124] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6125] <... symlink resumed>) = 0 [pid 6124] <... sendto resumed>) = 32 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6125] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6124] recvfrom(3, [pid 5839] close(3 [pid 5835] <... openat resumed>) = 3 [pid 6125] <... symlink resumed>) = 0 [pid 6124] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=49}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] <... close resumed>) = 0 [pid 6125] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6124] recvfrom(3, [pid 5839] rmdir("./45" [pid 5835] newfstatat(3, "", [pid 6125] <... symlink resumed>) = 0 [pid 6124] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=49}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] <... rmdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] close(3 [pid 5839] mkdir("./46", 0777 [pid 6125] <... openat resumed>) = 3 [pid 6124] <... close resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5835] getdents64(3, [pid 6125] write(3, "1000", 4 [pid 6124] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6126 attached [pid 6125] <... write resumed>) = 4 [pid 6124] <... socket resumed>) = 3 [pid 6125] close(3 [pid 5835] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6125] <... close resumed>) = 0 [pid 6124] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6125] symlink("/dev/binderfs", "./binderfs" [pid 6124] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5835] newfstatat(AT_FDCWD, "./47/binderfs", [pid 6125] <... symlink resumed>) = 0 [pid 6124] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6124] <... sendmsg resumed>) = 44 [pid 5835] unlink("./47/binderfs"executing program [pid 6125] write(1, "executing program\n", 18 [pid 5835] <... unlink resumed>) = 0 [pid 6125] <... write resumed>) = 18 [pid 6124] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5835] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6125] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6124] <... openat resumed>) = 4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./47/cgroup.net", [pid 6125] <... socket resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6124] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5835] unlink("./47/cgroup.net" [pid 6124] <... openat resumed>) = 5 [pid 5835] <... unlink resumed>) = 0 [pid 6125] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6124] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 49 [pid 5835] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6126] set_robust_list(0x5555617a06a0, 24 [pid 6125] recvfrom(3, [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=52}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] chdir("./46" [pid 6125] recvfrom(3, [pid 6124] <... writev resumed>) = 61440 [pid 6123] <... writev resumed>) = 61440 [pid 5835] newfstatat(AT_FDCWD, "./47/cgroup.cpu", [pid 6126] <... chdir resumed>) = 0 [pid 6125] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=52}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6124] close(3 [pid 6123] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6125] close(3 [pid 6124] <... close resumed>) = 0 [pid 5835] unlink("./47/cgroup.cpu" [pid 6123] <... close resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6125] <... close resumed>) = 0 [pid 6126] <... prctl resumed>) = 0 [pid 6124] close(4 [pid 6123] close(4 [pid 5835] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6126] setpgid(0, 0 [pid 6125] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6124] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./47/cgroup") = 0 [pid 5835] getdents64(3, [pid 6126] <... setpgid resumed>) = 0 [pid 6125] <... socket resumed>) = 3 [pid 6124] close(5 [pid 6123] <... close resumed>) = 0 [pid 6126] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6125] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6124] <... close resumed>) = 0 [pid 6123] close(5 [pid 5835] close(3 [pid 6125] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6124] close(6 [pid 6123] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5835] rmdir("./47" [pid 6126] <... symlink resumed>) = 0 [pid 6125] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(6 [pid 6126] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6125] <... sendmsg resumed>) = 44 [pid 6124] close(7 [pid 5835] <... rmdir resumed>) = 0 [pid 6126] <... symlink resumed>) = 0 [pid 6125] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] mkdir("./48", 0777 [pid 6126] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6125] <... openat resumed>) = 4 [pid 6124] close(8 [pid 6123] close(7 [pid 5835] <... mkdir resumed>) = 0 [pid 6126] <... symlink resumed>) = 0 [pid 6125] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6125] <... openat resumed>) = 5 [pid 6124] close(9 [pid 6123] close(8 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6126] <... openat resumed>) = 3 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(9./strace-static-x86_64: Process 6127 attached [pid 6126] write(3, "1000", 4 [pid 6124] close(10 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6127] set_robust_list(0x5555617a06a0, 24 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(10 [pid 6127] <... set_robust_list resumed>) = 0 [pid 6124] close(11 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 51 [pid 6127] chdir("./48" [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(11 [pid 6127] <... chdir resumed>) = 0 [pid 6126] <... write resumed>) = 4 [pid 6124] close(12 [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... prctl resumed>) = 0 [pid 6127] setpgid(0, 0) = 0 [pid 6127] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6126] close(3 [pid 6124] close(13 [pid 6123] close(12 [pid 6127] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6126] <... close resumed>) = 0 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... symlink resumed>) = 0 [pid 6127] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6126] symlink("/dev/binderfs", "./binderfs" [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6127] write(3, "1000", 4 [pid 6126] <... symlink resumed>) = 0 [pid 6124] close(14 [pid 6123] close(13 [pid 6127] <... write resumed>) = 4 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(3) = 0 [pid 6124] close(15 [pid 6127] symlink("/dev/binderfs", "./binderfs" [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... symlink resumed>) = 0 [pid 6124] close(16) = -1 EBADF (Bad file descriptor) [pid 6127] write(1, "executing program\n", 18 [pid 6124] close(17) = -1 EBADF (Bad file descriptor) [pid 6127] <... write resumed>) = 18 [pid 6124] close(18 [pid 6127] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6124] close(19) = -1 EBADF (Bad file descriptor) [pid 6127] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6124] close(20 [pid 6127] <... sendto resumed>) = 32 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] recvfrom(3, [pid 6124] close(21 [pid 6127] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=51}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] recvfrom(3, [pid 6124] close(22 [pid 6127] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=51}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6127] close(3 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = 0 [pid 6124] close(23 [pid 6127] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... socket resumed>) = 3 [pid 6124] close(24) = -1 EBADF (Bad file descriptor) [pid 6124] close(25) = -1 EBADF (Bad file descriptor) [pid 6127] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6124] close(26 [pid 6127] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6124] close(27 [pid 6127] <... sendmsg resumed>) = 44 [pid 6127] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6124] close(28 [pid 6126] write(1, "executing program\n", 18 [pid 6127] <... openat resumed>) = 4 [pid 6126] <... write resumed>) = 18 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(14 [pid 6127] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6126] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6124] close(29 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... openat resumed>) = 5 [pid 6126] <... socket resumed>) = 3 [pid 6124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(15 [pid 6126] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6124] exit_group(0 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6126] <... sendto resumed>) = 32 [pid 6124] <... exit_group resumed>) = ? [pid 6123] close(16) = -1 EBADF (Bad file descriptor) [pid 6123] close(17) = -1 EBADF (Bad file descriptor) [pid 6123] close(18 [pid 6126] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=49}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6124] +++ exited with 0 +++ [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] recvfrom(3, [pid 6123] close(19 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6126] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=49}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(3) = 0 [pid 6126] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6126] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6123] close(20) = -1 EBADF (Bad file descriptor) [pid 6126] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6123] close(21 [pid 6126] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... sendmsg resumed>) = 44 [pid 6126] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6123] close(22 [pid 6126] <... openat resumed>) = 4 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6123] close(23 [pid 6126] <... openat resumed>) = 5 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(24 [pid 6126] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(25 [pid 5838] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] close(26 [pid 5838] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(27 [pid 5838] <... openat resumed>) = 3 [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] close(28 [pid 5838] newfstatat(3, "", [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6123] close(29 [pid 5838] getdents64(3, [pid 6123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6123] exit_group(0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6123] <... exit_group resumed>) = ? [pid 5838] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6123] +++ exited with 0 +++ [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./46/binderfs") = 0 [pid 5838] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./46/cgroup.net") = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5838] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./46/cgroup.cpu", [pid 5840] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./46/cgroup.cpu" [pid 5840] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./46/cgroup", [pid 5840] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] unlink("./46/cgroup" [pid 5840] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./45/binderfs", [pid 5838] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] unlink("./45/binderfs" [pid 5838] close(3 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5838] rmdir("./46") = 0 [pid 5840] umount2("./45/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./45/cgroup.net", [pid 5838] mkdir("./47", 0777 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5840] unlink("./45/cgroup.net" [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./45/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./45/cgroup.cpu") = 0 [pid 5840] umount2("./45/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./45/cgroup"./strace-static-x86_64: Process 6128 attached ) = 0 [pid 6128] set_robust_list(0x5555617a06a0, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 50 [pid 6128] <... set_robust_list resumed>) = 0 [pid 5840] getdents64(3, [pid 6128] chdir("./47" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6128] <... chdir resumed>) = 0 [pid 5840] close(3 [pid 6128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... close resumed>) = 0 [pid 6128] <... prctl resumed>) = 0 [pid 5840] rmdir("./45" [pid 6128] setpgid(0, 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6128] <... setpgid resumed>) = 0 [pid 6128] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5840] mkdir("./46", 0777 [pid 6128] <... symlink resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6128] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6128] <... symlink resumed>) = 0 [pid 6128] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6129 attached [pid 6129] set_robust_list(0x5555617a06a0, 24 [pid 6128] write(3, "1000", 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 49 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6128] <... write resumed>) = 4 [pid 6129] chdir("./46" [pid 6128] close(3 [pid 6129] <... chdir resumed>) = 0 [pid 6128] <... close resumed>) = 0 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6128] symlink("/dev/binderfs", "./binderfs" [pid 6125] <... writev resumed>) = 61440 [pid 6129] <... prctl resumed>) = 0 [pid 6128] <... symlink resumed>) = 0 [pid 6125] close(3 [pid 6129] setpgid(0, 0executing program [pid 6128] write(1, "executing program\n", 18 [pid 6125] <... close resumed>) = 0 [pid 6129] <... setpgid resumed>) = 0 [pid 6128] <... write resumed>) = 18 [pid 6129] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6128] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6125] close(4 [pid 6129] <... symlink resumed>) = 0 [pid 6125] <... close resumed>) = 0 [pid 6129] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6128] <... socket resumed>) = 3 [pid 6125] close(5) = 0 [pid 6129] <... symlink resumed>) = 0 [pid 6128] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6129] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6128] <... sendto resumed>) = 32 [pid 6125] close(6 [pid 6129] <... symlink resumed>) = 0 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] recvfrom(3, [pid 6125] close(7 [pid 6129] <... openat resumed>) = 3 [pid 6128] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=50}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6129] write(3, "1000", 4 [pid 6128] recvfrom(3, [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... write resumed>) = 4 [pid 6128] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=50}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6125] close(8 [pid 6129] close(3 [pid 6128] close(3 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = 0 [pid 6128] <... close resumed>) = 0 [pid 6125] close(9 [pid 6129] symlink("/dev/binderfs", "./binderfs" [pid 6128] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... symlink resumed>) = 0 [pid 6128] <... socket resumed>) = 3 executing program [pid 6125] close(10 [pid 6129] write(1, "executing program\n", 18 [pid 6128] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... write resumed>) = 18 [pid 6128] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6125] close(11 [pid 6129] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6128] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... socket resumed>) = 3 [pid 6128] <... sendmsg resumed>) = 44 [pid 6125] close(12 [pid 6129] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... sendto resumed>) = 32 [pid 6128] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6129] recvfrom(3, [pid 6128] <... openat resumed>) = 4 [pid 6125] close(13 [pid 6129] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=49}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6128] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] recvfrom(3, [pid 6128] <... openat resumed>) = 5 [pid 6125] close(14 [pid 6129] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=49}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] close(3 [pid 6128] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6125] close(15 [pid 6129] <... close resumed>) = 0 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6125] close(16 [pid 6129] <... socket resumed>) = 3 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6127] <... writev resumed>) = 61440 [pid 6129] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6127] close(3 [pid 6126] <... writev resumed>) = 61440 [pid 6125] close(17 [pid 6129] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6126] close(3 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... sendmsg resumed>) = 44 [pid 6129] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6126] <... close resumed>) = 0 [pid 6129] <... openat resumed>) = 4 [pid 6125] close(18 [pid 6129] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6126] close(4 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... openat resumed>) = 5 [pid 6125] close(19 [pid 6126] <... close resumed>) = 0 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] close(20 [pid 6129] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6127] <... close resumed>) = 0 [pid 6126] close(5 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(4 [pid 6126] <... close resumed>) = 0 [pid 6125] close(21 [pid 6126] close(6 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] close(22 [pid 6127] <... close resumed>) = 0 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... writev resumed>) = 61440 [pid 6127] close(5 [pid 6126] close(7 [pid 6125] close(23 [pid 6128] close(3 [pid 6127] <... close resumed>) = 0 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(8 [pid 6125] close(24 [pid 6128] <... close resumed>) = 0 [pid 6127] close(6 [pid 6128] close(4 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(9 [pid 6128] <... close resumed>) = 0 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] close(25 [pid 6128] close(5 [pid 6127] close(7 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... close resumed>) = 0 [pid 6126] close(10 [pid 6128] close(6 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] close(26 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(8 [pid 6126] close(11 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] close(7 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] close(27 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(9 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] close(8 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] close(28 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(10 [pid 6128] close(9 [pid 6125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] close(29) = -1 EBADF (Bad file descriptor) [pid 6128] close(10 [pid 6125] exit_group(0 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(11 [pid 6125] <... exit_group resumed>) = ? [pid 6128] close(11 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(12 [pid 6126] close(12 [pid 6128] close(12 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(13 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] close(13) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] close(14 [pid 6127] close(13) = -1 EBADF (Bad file descriptor) [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(14) = -1 EBADF (Bad file descriptor) [pid 6127] close(15) = -1 EBADF (Bad file descriptor) [pid 6128] close(15 [pid 6127] close(16 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] close(16 [pid 6127] close(17 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] close(17 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(18 [pid 6128] close(18 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6125] +++ exited with 0 +++ [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(19 [pid 6128] close(19 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(20 [pid 6128] close(20 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(21 [pid 6128] close(21) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] close(22 [pid 6127] close(22 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6128] close(23 [pid 6127] close(23 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] close(24 [pid 6127] close(24 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(14 [pid 5842] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6128] close(25 [pid 6127] close(25 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... openat resumed>) = 3 [pid 6126] close(15 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 6128] close(26 [pid 6127] close(26 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] close(27 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(27 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6128] close(28 [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] close(28 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] close(29 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(16 [pid 6128] exit_group(0 [pid 6127] close(29 [pid 5842] newfstatat(AT_FDCWD, "./49/binderfs", [pid 6128] <... exit_group resumed>) = ? [pid 6127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6128] +++ exited with 0 +++ [pid 6127] exit_group(0 [pid 5842] unlink("./49/binderfs" [pid 6127] <... exit_group resumed>) = ? [pid 5842] <... unlink resumed>) = 0 [pid 6127] +++ exited with 0 +++ [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6126] close(17 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./49/cgroup.net") = 0 [pid 5842] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./49/cgroup.cpu") = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6126] close(18 [pid 5842] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] close(19 [pid 5838] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./49/cgroup", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5838] <... openat resumed>) = 3 [pid 5835] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./49/cgroup" [pid 5838] newfstatat(3, "", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] close(20 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 5835] <... openat resumed>) = 3 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(3, "", [pid 5842] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(AT_FDCWD, "./47/binderfs", [pid 5835] getdents64(3, [pid 5842] close(3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] <... close resumed>) = 0 [pid 5838] unlink("./47/binderfs" [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./49" [pid 5835] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6126] close(21 [pid 5842] <... rmdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] mkdir("./50", 0777 [pid 5838] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./48/binderfs", [pid 5842] <... mkdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] newfstatat(AT_FDCWD, "./47/cgroup.net", [pid 5835] unlink("./48/binderfs") = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./47/cgroup.net" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] close(22) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 5838] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6130 attached [pid 6126] close(23 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./48/cgroup.net" [pid 6130] set_robust_list(0x5555617a06a0, 24 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 53 [pid 5838] newfstatat(AT_FDCWD, "./47/cgroup.cpu", [pid 5835] <... unlink resumed>) = 0 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6126] close(24 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6130] chdir("./50" [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6130] <... chdir resumed>) = 0 [pid 5838] unlink("./47/cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./48/cgroup.cpu", [pid 6130] <... prctl resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6130] setpgid(0, 0 [pid 5838] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./48/cgroup.cpu" [pid 6130] <... setpgid resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 6130] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5838] newfstatat(AT_FDCWD, "./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6130] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6126] close(25 [pid 5838] unlink("./47/cgroup" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... symlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./48/cgroup", [pid 5838] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./48/cgroup" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] close(3 [pid 5835] <... unlink resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 5838] rmdir("./47" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5835] close(3 [pid 5838] mkdir("./48", 0777 [pid 5835] <... close resumed>) = 0 [pid 6130] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6126] close(26 [pid 5838] <... mkdir resumed>) = 0 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... symlink resumed>) = 0 [pid 6126] close(27 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] rmdir("./48" [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6129] <... writev resumed>) = 61440 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6131 attached [pid 6126] close(28 [pid 6131] set_robust_list(0x5555617a06a0, 24 [pid 6129] close(3 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] mkdir("./49", 0777 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6126] close(29 [pid 5835] <... mkdir resumed>) = 0 [pid 6131] chdir("./48" [pid 6130] <... openat resumed>) = 3 [pid 6126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... chdir resumed>) = 0 [pid 6129] <... close resumed>) = 0 [pid 6126] exit_group(0 [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] write(3, "1000", 4 [pid 6126] <... exit_group resumed>) = ? [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6131] <... prctl resumed>) = 0 [pid 6130] <... write resumed>) = 4 [pid 6129] close(4./strace-static-x86_64: Process 6132 attached [pid 6126] +++ exited with 0 +++ [pid 6131] setpgid(0, 0 [pid 6130] close(3 [pid 6129] <... close resumed>) = 0 [pid 6132] set_robust_list(0x5555617a06a0, 24 [pid 6131] <... setpgid resumed>) = 0 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6131] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6130] <... close resumed>) = 0 [pid 6129] close(5 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 51 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 52 [pid 6132] chdir("./49" [pid 6130] symlink("/dev/binderfs", "./binderfs" [pid 6129] <... close resumed>) = 0 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6132] <... chdir resumed>) = 0 [pid 6131] <... symlink resumed>) = 0 [pid 6130] <... symlink resumed>) = 0 [pid 6129] close(6 [pid 5839] <... restart_syscall resumed>) = 0 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 6131] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6130] write(1, "executing program\n", 18 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] <... prctl resumed>) = 0 [pid 6131] <... symlink resumed>) = 0 [pid 6130] <... write resumed>) = 18 [pid 6129] close(7 [pid 6132] setpgid(0, 0 [pid 6131] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6130] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] <... setpgid resumed>) = 0 [pid 6131] <... symlink resumed>) = 0 [pid 6130] <... socket resumed>) = 3 [pid 6129] close(8 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6130] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6132] <... symlink resumed>) = 0 [pid 6131] <... openat resumed>) = 3 [pid 6130] <... sendto resumed>) = 32 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 6132] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6131] write(3, "1000", 4 [pid 6130] recvfrom(3, [pid 6129] close(9 [pid 5839] newfstatat(3, "", [pid 6132] <... symlink resumed>) = 0 [pid 6131] <... write resumed>) = 4 [pid 6130] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=53}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6132] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6131] close(3 [pid 6130] recvfrom(3, [pid 6129] close(10 [pid 5839] getdents64(3, [pid 6132] <... symlink resumed>) = 0 [pid 6131] <... close resumed>) = 0 [pid 6130] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=53}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] symlink("/dev/binderfs", "./binderfs" [pid 6130] close(3 [pid 6129] close(11 [pid 5839] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] <... openat resumed>) = 3 [pid 6131] <... symlink resumed>) = 0 [pid 6130] <... close resumed>) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] write(3, "1000", 4 [pid 6129] close(12executing program [pid 5839] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6132] <... write resumed>) = 4 [pid 6131] write(1, "executing program\n", 18 [pid 6130] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] close(3 [pid 6131] <... write resumed>) = 18 [pid 6130] <... socket resumed>) = 3 [pid 6129] close(13 [pid 5839] unlink("./46/binderfs" [pid 6132] <... close resumed>) = 0 [pid 6131] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6130] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6130] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6129] close(14 [pid 5839] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6130] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] symlink("/dev/binderfs", "./binderfs" [pid 6130] <... sendmsg resumed>) = 44 [pid 6129] close(15 [pid 5839] newfstatat(AT_FDCWD, "./46/cgroup.net", [pid 6131] <... socket resumed>) = 3 [pid 6130] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] <... symlink resumed>) = 0 executing program [pid 6131] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6130] <... openat resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] write(1, "executing program\n", 18 [pid 6130] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6129] close(16 [pid 6132] <... write resumed>) = 18 [pid 6131] <... sendto resumed>) = 32 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./46/cgroup.net" [pid 6132] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6131] recvfrom(3, [pid 6130] <... openat resumed>) = 5 [pid 6129] close(17 [pid 5839] <... unlink resumed>) = 0 [pid 6132] <... socket resumed>) = 3 [pid 6131] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=51}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6130] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6131] recvfrom(3, [pid 6129] close(18 [pid 6132] <... sendto resumed>) = 32 [pid 6131] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=51}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] recvfrom(3, [pid 6129] close(19 [pid 6132] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=52}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6131] close(3 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] recvfrom(3, [pid 6131] <... close resumed>) = 0 [pid 6129] close(20 [pid 5839] newfstatat(AT_FDCWD, "./46/cgroup.cpu", [pid 6132] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=52}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] close(3 [pid 6131] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6129] close(21 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] <... close resumed>) = 0 [pid 6131] <... socket resumed>) = 3 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6131] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6132] <... socket resumed>) = 3 [pid 6131] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6131] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6132] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6131] <... sendmsg resumed>) = 44 [pid 6132] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6131] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6129] close(22 [pid 6131] <... openat resumed>) = 4 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] close(23 [pid 6132] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6131] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6132] <... sendmsg resumed>) = 44 [pid 6132] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6131] <... openat resumed>) = 5 [pid 6132] <... openat resumed>) = 4 [pid 6131] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6132] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 5839] unlink("./46/cgroup.cpu" [pid 6132] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] close(24 [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] close(25) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./46/cgroup" [pid 6129] close(26 [pid 5839] <... unlink resumed>) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] close(27) = -1 EBADF (Bad file descriptor) [pid 6129] close(28) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6129] close(29 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] close(3 [pid 6129] exit_group(0) = ? [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./46" [pid 6129] +++ exited with 0 +++ [pid 5839] <... rmdir resumed>) = 0 [pid 6130] <... writev resumed>) = 61440 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6130] close(3 [pid 5839] mkdir("./47", 0777 [pid 5840] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... mkdir resumed>) = 0 [pid 6130] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... writev resumed>) = 61440 [pid 6130] close(4 [pid 5840] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6131] close(3) = 0 [pid 6130] <... close resumed>) = 0 [pid 6131] close(4) = 0 [pid 6131] close(5) = 0 [pid 6130] close(5 [pid 6131] close(6 [pid 6130] <... close resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(7) = -1 EBADF (Bad file descriptor) [pid 6131] close(8) = -1 EBADF (Bad file descriptor) [pid 6130] close(6 [pid 6131] close(9 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(10 [pid 6130] close(7 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(11) = -1 EBADF (Bad file descriptor) [pid 6130] close(8 [pid 6131] close(12 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 6131] close(13 [pid 6130] close(9 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(14) = -1 EBADF (Bad file descriptor) [pid 6130] close(10 [pid 6131] close(15 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(16 [pid 6130] close(11 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(17) = -1 EBADF (Bad file descriptor) [pid 6130] close(12 [pid 6131] close(18) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(19) = -1 EBADF (Bad file descriptor) [pid 6130] close(13 [pid 6131] close(20 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6133 attached [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] set_robust_list(0x5555617a06a0, 24 [pid 6130] close(14 [pid 6133] <... set_robust_list resumed>) = 0 [pid 6131] close(21 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] chdir("./47" [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(15 [pid 6131] close(22 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... chdir resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(16 [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6131] close(23 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... prctl resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(17 [pid 6133] setpgid(0, 0 [pid 6131] close(24 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... setpgid resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(18 [pid 6133] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6131] close(25) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... symlink resumed>) = 0 [pid 6132] <... writev resumed>) = 61440 [pid 6131] close(26 [pid 5840] newfstatat(3, "", [pid 6132] close(3 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(19 [pid 6131] close(27 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(20 [pid 6133] <... symlink resumed>) = 0 [pid 6132] <... close resumed>) = 0 [pid 6131] close(28 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6132] close(4 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(29 [pid 6130] close(21 [pid 6133] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6132] <... close resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... symlink resumed>) = 0 [pid 6132] close(5 [pid 6131] exit_group(0 [pid 5840] getdents64(3, [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 50 [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6132] <... close resumed>) = 0 [pid 6131] <... exit_group resumed>) = ? [pid 6130] close(22 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6132] close(6 [pid 5840] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] <... openat resumed>) = 3 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] close(7 [pid 5840] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] close(8 [pid 5840] unlink("./46/binderfs" [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6132] close(9 [pid 5840] umount2("./46/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] close(10 [pid 6131] +++ exited with 0 +++ [pid 5840] newfstatat(AT_FDCWD, "./46/cgroup.net", [pid 6133] write(3, "1000", 4 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] close(11 [pid 5840] unlink("./46/cgroup.net" [pid 6133] <... write resumed>) = 4 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(23 [pid 6133] close(3 [pid 6132] close(12 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6133] <... close resumed>) = 0 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(24 [pid 5840] umount2("./46/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] symlink("/dev/binderfs", "./binderfs" [pid 6132] close(13 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] close(14) = -1 EBADF (Bad file descriptor) [pid 6133] <... symlink resumed>) = 0 [pid 6132] close(15 [pid 6130] close(25 [pid 5840] newfstatat(AT_FDCWD, "./46/cgroup.cpu", [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] close(16 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6130] close(26 [pid 6133] write(1, "executing program\n", 18 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./46/cgroup.cpu" [pid 6133] <... write resumed>) = 18 [pid 6132] close(17 [pid 6130] close(27 [pid 5838] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] close(18 [pid 6130] close(28 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6133] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6132] close(19 [pid 6130] close(29 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... openat resumed>) = 3 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... socket resumed>) = 3 [pid 6132] close(20 [pid 5840] <... unlink resumed>) = 0 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] exit_group(0 [pid 5840] umount2("./46/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 6133] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6132] close(21 [pid 6130] <... exit_group resumed>) = ? [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] <... sendto resumed>) = 32 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./46/cgroup", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6133] recvfrom(3, [pid 6132] close(22 [pid 6130] +++ exited with 0 +++ [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(3, [pid 6133] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=50}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=50}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6133] close(3 [pid 6132] close(23 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] unlink("./46/cgroup" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6133] <... close resumed>) = 0 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... restart_syscall resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6132] close(24 [pid 6133] <... socket resumed>) = 3 [pid 5840] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6132] close(25 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6133] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 6133] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] <... sendmsg resumed>) = 44 [pid 6132] close(26 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6133] <... openat resumed>) = 4 [pid 5842] <... openat resumed>) = 3 [pid 6133] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 5840] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6133] <... openat resumed>) = 5 [pid 6132] close(27 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./46" [pid 6132] close(28) = -1 EBADF (Bad file descriptor) [pid 6133] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6132] close(29 [pid 5842] getdents64(3, [pid 5838] unlink("./48/binderfs" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] <... rmdir resumed>) = 0 [pid 6132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] mkdir("./47", 0777 [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... mkdir resumed>) = 0 [pid 6132] exit_group(0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6132] <... exit_group resumed>) = ? [pid 6132] +++ exited with 0 +++ ./strace-static-x86_64: Process 6134 attached [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./50/binderfs" [pid 6134] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 50 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] <... set_robust_list resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./48/cgroup.net", [pid 6134] chdir("./47" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6134] <... chdir resumed>) = 0 [pid 5838] unlink("./48/cgroup.net" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... unlink resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6134] <... prctl resumed>) = 0 [pid 5838] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(3, "", [pid 6134] setpgid(0, 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./48/cgroup.cpu", [pid 6134] <... setpgid resumed>) = 0 [pid 6134] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6134] <... symlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] getdents64(3, [pid 5838] unlink("./48/cgroup.cpu" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... unlink resumed>) = 0 [pid 5835] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6134] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5838] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./49/binderfs", [pid 6134] <... symlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./49/binderfs" [pid 5838] newfstatat(AT_FDCWD, "./48/cgroup", [pid 6134] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5842] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6134] <... symlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./50/cgroup.net", [pid 5838] unlink("./48/cgroup" [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./50/cgroup.net" [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] <... openat resumed>) = 3 [pid 5842] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 5835] newfstatat(AT_FDCWD, "./49/cgroup.net", [pid 6134] write(3, "1000", 4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] unlink("./49/cgroup.net" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] <... write resumed>) = 4 [pid 5842] newfstatat(AT_FDCWD, "./50/cgroup.cpu", [pid 5838] close(3 [pid 5835] <... unlink resumed>) = 0 [pid 6134] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... close resumed>) = 0 [pid 5835] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6134] <... close resumed>) = 0 [pid 5838] rmdir("./48" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] symlink("/dev/binderfs", "./binderfs" [pid 5842] unlink("./50/cgroup.cpu" [pid 5838] <... rmdir resumed>) = 0 [pid 6134] <... symlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./49/cgroup.cpu", [pid 6134] write(1, "executing program\n", 18 [pid 5838] mkdir("./49", 0777executing program [pid 6134] <... write resumed>) = 18 [pid 5838] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6134] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6134] <... socket resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6135 attached [pid 6134] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5835] unlink("./49/cgroup.cpu" [pid 6134] <... sendto resumed>) = 32 [pid 5842] newfstatat(AT_FDCWD, "./50/cgroup", [pid 5835] <... unlink resumed>) = 0 [pid 6134] recvfrom(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6135] set_robust_list(0x5555617a06a0, 24 [pid 6134] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=50}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] unlink("./50/cgroup" [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 52 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6135] <... set_robust_list resumed>) = 0 [pid 6134] recvfrom(3, [pid 5842] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./49/cgroup", [pid 6135] chdir("./49" [pid 6134] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=50}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6135] <... chdir resumed>) = 0 [pid 6134] close(3 [pid 5842] getdents64(3, [pid 5835] unlink("./49/cgroup" [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6134] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6135] <... prctl resumed>) = 0 [pid 5842] close(3 [pid 5835] getdents64(3, [pid 6135] setpgid(0, 0 [pid 6134] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... close resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6135] <... setpgid resumed>) = 0 [pid 6134] <... socket resumed>) = 3 [pid 5842] rmdir("./50" [pid 5835] close(3 [pid 6135] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5842] <... rmdir resumed>) = 0 [pid 6135] <... symlink resumed>) = 0 [pid 6134] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] mkdir("./51", 0777 [pid 5835] <... close resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 6135] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6134] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5835] rmdir("./49" [pid 6135] <... symlink resumed>) = 0 [pid 6134] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... rmdir resumed>) = 0 [pid 6135] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6134] <... sendmsg resumed>) = 44 [pid 5835] mkdir("./50", 0777 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6134] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5835] <... mkdir resumed>) = 0 [pid 6135] <... openat resumed>) = 3 [pid 6134] <... openat resumed>) = 4 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6135] write(3, "1000", 4 [pid 6134] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6135] <... write resumed>) = 4 [pid 6134] <... openat resumed>) = 5 [pid 6135] close(3 [pid 6134] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2./strace-static-x86_64: Process 6137 attached ./strace-static-x86_64: Process 6136 attached [pid 6135] <... close resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 54 [pid 6135] symlink("/dev/binderfs", "./binderfs" [pid 6137] set_robust_list(0x5555617a06a0, 24 [pid 6136] set_robust_list(0x5555617a06a0, 24 [pid 6135] <... symlink resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 53 [pid 6137] <... set_robust_list resumed>) = 0 executing program [pid 6137] chdir("./50" [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] write(1, "executing program\n", 18 [pid 6133] <... writev resumed>) = 61440 [pid 6135] <... write resumed>) = 18 [pid 6133] close(3 [pid 6137] <... chdir resumed>) = 0 [pid 6136] chdir("./51" [pid 6135] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6133] <... close resumed>) = 0 [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6136] <... chdir resumed>) = 0 [pid 6135] <... socket resumed>) = 3 [pid 6133] close(4 [pid 6137] <... prctl resumed>) = 0 [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6133] <... close resumed>) = 0 [pid 6137] setpgid(0, 0 [pid 6136] <... prctl resumed>) = 0 [pid 6135] <... sendto resumed>) = 32 [pid 6134] <... writev resumed>) = 61440 [pid 6133] close(5 [pid 6137] <... setpgid resumed>) = 0 [pid 6136] setpgid(0, 0 [pid 6135] recvfrom(3, [pid 6134] close(3 [pid 6133] <... close resumed>) = 0 [pid 6137] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6136] <... setpgid resumed>) = 0 [pid 6135] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=52}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6134] <... close resumed>) = 0 [pid 6133] close(6 [pid 6137] <... symlink resumed>) = 0 [pid 6136] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6135] recvfrom(3, [pid 6134] close(4 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6136] <... symlink resumed>) = 0 [pid 6135] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=52}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6137] <... symlink resumed>) = 0 [pid 6136] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6134] <... close resumed>) = 0 [pid 6133] close(7 [pid 6137] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6135] close(3 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... symlink resumed>) = 0 [pid 6136] <... symlink resumed>) = 0 [pid 6135] <... close resumed>) = 0 [pid 6134] close(5 [pid 6133] close(8 [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6136] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6135] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6137] <... openat resumed>) = 3 [pid 6136] <... symlink resumed>) = 0 [pid 6135] <... socket resumed>) = 3 [pid 6134] <... close resumed>) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] write(3, "1000", 4 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6134] close(6 [pid 6133] close(9 [pid 6137] <... write resumed>) = 4 [pid 6136] <... openat resumed>) = 3 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(3 [pid 6136] write(3, "1000", 4 [pid 6135] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6134] close(7 [pid 6133] close(10 [pid 6137] <... close resumed>) = 0 [pid 6136] <... write resumed>) = 4 [pid 6135] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] symlink("/dev/binderfs", "./binderfs" [pid 6136] close(3 [pid 6135] <... sendmsg resumed>) = 44 [pid 6134] close(8 [pid 6137] <... symlink resumed>) = 0 [pid 6136] <... close resumed>) = 0 [pid 6133] close(11 [pid 6137] write(1, "executing program\n", 18 [pid 6136] symlink("/dev/binderfs", "./binderfs" [pid 6135] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... write resumed>) = 18 [pid 6136] <... symlink resumed>) = 0 [pid 6134] close(9 [pid 6137] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6136] write(1, "executing program\n", 18 [pid 6135] <... openat resumed>) = 4 [pid 6133] close(12 [pid 6137] <... socket resumed>) = 3 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6137] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6133] close(13 [pid 6137] <... sendto resumed>) = 32 [pid 6136] <... write resumed>) = 18 [pid 6135] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] recvfrom(3, [pid 6136] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6135] <... openat resumed>) = 5 [pid 6134] close(10 [pid 6133] close(14 [pid 6137] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=53}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6136] <... socket resumed>) = 3 [pid 6135] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] recvfrom(3, [pid 6136] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6134] close(11 [pid 6137] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=53}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(15 [pid 6137] close(3 [pid 6134] close(12 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... close resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(13) = -1 EBADF (Bad file descriptor) [pid 6133] close(16 [pid 6137] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6136] <... sendto resumed>) = 32 [pid 6134] close(14 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... socket resumed>) = 3 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6134] close(15 [pid 6137] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(17 [pid 6137] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6137] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6136] recvfrom(3, [pid 6134] close(16 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] <... openat resumed>) = 4 [pid 6136] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=54}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6136] recvfrom(3, [pid 6134] close(17 [pid 6133] close(18 [pid 6137] <... openat resumed>) = 5 [pid 6136] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=54}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6136] close(3 [pid 6134] close(18 [pid 6133] close(19 [pid 6136] <... close resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6134] close(19 [pid 6133] close(20 [pid 6136] <... socket resumed>) = 3 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6134] close(20) = -1 EBADF (Bad file descriptor) [pid 6134] close(21 [pid 6133] close(21 [pid 6136] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6135] <... writev resumed>) = 61440 [pid 6134] close(22 [pid 6133] close(22 [pid 6136] <... sendmsg resumed>) = 44 [pid 6135] close(3 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = 0 [pid 6134] close(23 [pid 6133] close(23 [pid 6135] close(4) = 0 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(24 [pid 6134] close(24) = -1 EBADF (Bad file descriptor) [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(25 [pid 6135] close(5 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(25 [pid 6134] close(26 [pid 6135] <... close resumed>) = 0 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(27 [pid 6135] close(6 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(28) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(29 [pid 6135] close(7) = -1 EBADF (Bad file descriptor) [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] close(8 [pid 6134] exit_group(0 [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... exit_group resumed>) = ? [pid 6135] close(9) = -1 EBADF (Bad file descriptor) [pid 6134] +++ exited with 0 +++ [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] close(10) = -1 EBADF (Bad file descriptor) [pid 6136] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6135] close(11 [pid 6133] close(26) = -1 EBADF (Bad file descriptor) [pid 6133] close(27) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6133] close(28 [pid 6135] close(12 [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] close(13) = -1 EBADF (Bad file descriptor) [pid 6135] close(14 [pid 6136] <... openat resumed>) = 4 [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] close(15) = -1 EBADF (Bad file descriptor) [pid 6135] close(16) = -1 EBADF (Bad file descriptor) [pid 6135] close(17) = -1 EBADF (Bad file descriptor) [pid 6135] close(18) = -1 EBADF (Bad file descriptor) [pid 6135] close(19) = -1 EBADF (Bad file descriptor) [pid 6135] close(20) = -1 EBADF (Bad file descriptor) [pid 6135] close(21 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] close(22) = -1 EBADF (Bad file descriptor) [pid 6135] close(23) = -1 EBADF (Bad file descriptor) [pid 6135] close(24) = -1 EBADF (Bad file descriptor) [pid 6135] close(25) = -1 EBADF (Bad file descriptor) [pid 6135] close(26) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6135] close(27 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6135] close(28) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 6135] close(29) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 6136] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6135] exit_group(0 [pid 6133] close(29 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6136] <... openat resumed>) = 5 [pid 6135] <... exit_group resumed>) = ? [pid 6133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 6135] +++ exited with 0 +++ [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6136] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6133] exit_group(0) = ? [pid 5840] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./47/binderfs") = 0 [pid 5840] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./47/cgroup.net" [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5838] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... restart_syscall resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... writev resumed>) = 61440 [pid 5840] <... unlink resumed>) = 0 [pid 6137] close(3 [pid 5840] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 3 [pid 5840] newfstatat(AT_FDCWD, "./47/cgroup.cpu", [pid 5839] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] unlink("./47/cgroup.cpu" [pid 5839] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] getdents64(3, [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5838] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./47/cgroup", [pid 5838] newfstatat(AT_FDCWD, "./49/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./47/cgroup" [pid 5839] getdents64(3, [pid 5838] unlink("./49/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5838] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] close(3 [pid 5839] unlink("./47/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./47" [pid 5839] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./49/cgroup.net", [pid 5840] <... rmdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] mkdir("./48", 0777 [pid 5839] umount2("./47/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./49/cgroup.net") = 0 [pid 6137] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] newfstatat(AT_FDCWD, "./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6137] close(4 [pid 5839] unlink("./47/cgroup.net" [pid 5838] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6137] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./47/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./49/cgroup.cpu", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./47/cgroup.cpu", [pid 5838] unlink("./49/cgroup.cpu" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6137] close(5) = 0 [pid 5838] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./47/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 6137] close(6 [pid 5838] newfstatat(AT_FDCWD, "./49/cgroup", [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(7 [pid 5839] umount2("./47/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6138 attached [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6138] set_robust_list(0x5555617a06a0, 24 [pid 6137] close(8) = -1 EBADF (Bad file descriptor) [pid 6137] close(9) = -1 EBADF (Bad file descriptor) [pid 6137] close(10) = -1 EBADF (Bad file descriptor) [pid 6137] close(11) = -1 EBADF (Bad file descriptor) [pid 6137] close(12) = -1 EBADF (Bad file descriptor) [pid 6137] close(13) = -1 EBADF (Bad file descriptor) [pid 6137] close(14) = -1 EBADF (Bad file descriptor) [pid 6137] close(15 [pid 5838] unlink("./49/cgroup" [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6137] close(16 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./47/cgroup", [pid 6137] close(17 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./47/cgroup" [pid 5838] getdents64(3, [pid 6137] close(18 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 5838] close(3 [pid 6137] close(19 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... close resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 51 [pid 5839] close(3 [pid 5838] rmdir("./49" [pid 6137] close(20 [pid 5839] <... close resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./47" [pid 5838] mkdir("./50", 0777 [pid 6137] close(21 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir("./48", 0777 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] chdir("./48" [pid 6137] close(22 [pid 5839] <... mkdir resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6137] close(23 [pid 6138] <... chdir resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6137] close(24 [pid 6138] <... prctl resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] setpgid(0, 0 [pid 6137] close(25 [pid 6138] <... setpgid resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6137] close(26 [pid 6138] <... symlink resumed>) = 0 [pid 6137] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6137] close(27) = -1 EBADF (Bad file descriptor) [pid 6138] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6137] close(28) = -1 EBADF (Bad file descriptor) [pid 6137] close(29) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6139 attached [pid 6137] exit_group(0 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 53 [pid 6139] set_robust_list(0x5555617a06a0, 24 [pid 6138] <... symlink resumed>) = 0 [pid 6137] <... exit_group resumed>) = ? [pid 6137] +++ exited with 0 +++ [pid 6139] <... set_robust_list resumed>) = 0 [pid 6138] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6139] chdir("./50" [pid 6138] <... symlink resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 51 [pid 6139] <... chdir resumed>) = 0 [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] <... prctl resumed>) = 0 [pid 6138] <... openat resumed>) = 3 [pid 6139] setpgid(0, 0) = 0 [pid 6138] write(3, "1000", 4./strace-static-x86_64: Process 6140 attached [pid 6139] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6138] <... write resumed>) = 4 [pid 6140] set_robust_list(0x5555617a06a0, 24) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6140] chdir("./48" [pid 6138] close(3 [pid 6139] <... symlink resumed>) = 0 [pid 6138] <... close resumed>) = 0 [pid 6140] <... chdir resumed>) = 0 [pid 6139] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] <... symlink resumed>) = 0 [pid 6138] symlink("/dev/binderfs", "./binderfs" [pid 5835] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6140] <... prctl resumed>) = 0 [pid 6139] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6138] <... symlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6140] setpgid(0, 0executing program ) = 0 [pid 6139] <... symlink resumed>) = 0 [pid 6138] write(1, "executing program\n", 18 [pid 5835] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6140] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6138] <... write resumed>) = 18 [pid 5835] <... openat resumed>) = 3 [pid 6140] <... symlink resumed>) = 0 [pid 6139] <... openat resumed>) = 3 [pid 6138] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6140] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6139] write(3, "1000", 4 [pid 6138] <... socket resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 6140] <... symlink resumed>) = 0 [pid 6139] <... write resumed>) = 4 [pid 6140] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6138] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6140] <... symlink resumed>) = 0 [pid 6139] close(3 [pid 6138] <... sendto resumed>) = 32 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] <... close resumed>) = 0 [pid 6138] recvfrom(3, [pid 5835] getdents64(3, [pid 6140] <... openat resumed>) = 3 [pid 6139] symlink("/dev/binderfs", "./binderfs" [pid 6138] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=51}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6136] <... writev resumed>) = 61440 [pid 6140] write(3, "1000", 4 [pid 6139] <... symlink resumed>) = 0 [pid 6138] recvfrom(3, [pid 6136] close(3 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6140] <... write resumed>) = 4 [pid 6139] write(1, "executing program\n", 18 [pid 6138] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=51}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 executing program [pid 6136] <... close resumed>) = 0 [pid 6140] close(3 [pid 6139] <... write resumed>) = 18 [pid 6138] close(3 [pid 5835] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6140] <... close resumed>) = 0 [pid 6139] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6138] <... close resumed>) = 0 [pid 6136] close(4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6140] symlink("/dev/binderfs", "./binderfs" [pid 6139] <... socket resumed>) = 3 [pid 6138] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6136] <... close resumed>) = 0 [pid 6140] <... symlink resumed>) = 0 [pid 6139] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6138] <... socket resumed>) = 3 [pid 5835] newfstatat(AT_FDCWD, "./50/binderfs", executing program [pid 6140] write(1, "executing program\n", 18 [pid 6139] <... sendto resumed>) = 32 [pid 6138] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6136] close(5 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] <... write resumed>) = 18 [pid 6139] recvfrom(3, [pid 6138] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6139] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=53}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6136] <... close resumed>) = 0 [pid 5835] unlink("./50/binderfs" [pid 6140] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6138] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 5835] <... unlink resumed>) = 0 [pid 6136] close(6 [pid 6140] <... socket resumed>) = 3 [pid 6139] recvfrom(3, [pid 6138] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6136] close(7 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6139] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=53}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6140] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6138] <... openat resumed>) = 4 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./50/cgroup.net", [pid 6139] close(3 [pid 6138] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6136] close(8 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] <... sendto resumed>) = 32 [pid 6139] <... close resumed>) = 0 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./50/cgroup.net" [pid 6136] close(9) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6138] <... openat resumed>) = 5 [pid 6136] close(10 [pid 5835] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] recvfrom(3, [pid 6139] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6138] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6140] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=51}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6140] recvfrom(3, [pid 6139] <... socket resumed>) = 3 [pid 6136] close(11 [pid 5835] newfstatat(AT_FDCWD, "./50/cgroup.cpu", [pid 6140] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=51}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6139] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] close(3 [pid 6139] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6136] close(12 [pid 6140] <... close resumed>) = 0 [pid 6139] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./50/cgroup.cpu" [pid 6140] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6139] <... sendmsg resumed>) = 44 [pid 6136] close(13 [pid 6140] <... socket resumed>) = 3 [pid 6139] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6140] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6139] <... openat resumed>) = 4 [pid 6136] close(14 [pid 6140] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6140] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6139] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6136] close(15 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6140] <... sendmsg resumed>) = 44 [pid 6139] <... openat resumed>) = 5 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6136] close(16 [pid 5835] newfstatat(AT_FDCWD, "./50/cgroup", [pid 6140] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6136] close(17 [pid 5835] unlink("./50/cgroup" [pid 6140] <... openat resumed>) = 5 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6140] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6136] close(18 [pid 5835] getdents64(3, [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(19 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(20 [pid 5835] close(3 [pid 6138] <... writev resumed>) = 61440 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 6138] close(3 [pid 6136] close(21 [pid 5835] rmdir("./50" [pid 6139] <... writev resumed>) = 61440 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(3 [pid 6138] <... close resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6139] <... close resumed>) = 0 [pid 6139] close(4) = 0 [pid 6138] close(4) = 0 [pid 6139] close(5) = 0 [pid 6139] close(6 [pid 6138] close(5 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(7 [pid 6138] <... close resumed>) = 0 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(6 [pid 6139] close(8) = -1 EBADF (Bad file descriptor) [pid 6139] close(9 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(7 [pid 6139] close(10) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(11 [pid 6138] close(8 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(12 [pid 6138] close(9 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(13 [pid 6138] close(10 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(14) = -1 EBADF (Bad file descriptor) [pid 6138] close(11 [pid 6136] close(22) = -1 EBADF (Bad file descriptor) [pid 6139] close(15 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(12 [pid 6139] close(16 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(13 [pid 6139] close(17 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(14 [pid 6139] close(18) = -1 EBADF (Bad file descriptor) [pid 6139] close(19 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(20 [pid 6138] close(15 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(21 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(16 [pid 6139] close(22 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(17 [pid 6139] close(23 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(24 [pid 6138] close(18 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(23 [pid 5835] mkdir("./51", 0777 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(25 [pid 6138] close(19 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(26 [pid 6138] close(20 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(27 [pid 6138] close(21 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(22 [pid 6139] close(28 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(23 [pid 6139] close(29 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(24 [pid 6139] exit_group(0) = ? [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6136] close(24 [pid 5835] <... mkdir resumed>) = 0 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(25) = -1 EBADF (Bad file descriptor) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6139] +++ exited with 0 +++ [pid 6138] close(26) = -1 EBADF (Bad file descriptor) [pid 6138] close(27) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6138] close(28 [pid 6136] close(25) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] close(29) = -1 EBADF (Bad file descriptor) [pid 6138] exit_group(0) = ? [pid 6138] +++ exited with 0 +++ ./strace-static-x86_64: Process 6141 attached [pid 6141] set_robust_list(0x5555617a06a0, 24 [pid 5838] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 54 [pid 6141] <... set_robust_list resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6136] close(26) = -1 EBADF (Bad file descriptor) [pid 5838] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 6141] chdir("./51" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6136] close(27 [pid 6141] <... chdir resumed>) = 0 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6136] close(28 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] <... prctl resumed>) = 0 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5838] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6141] setpgid(0, 0 [pid 6136] close(29 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6141] <... setpgid resumed>) = 0 [pid 6136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./50/binderfs" [pid 6136] exit_group(0 [pid 5838] <... unlink resumed>) = 0 [pid 6141] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6136] <... exit_group resumed>) = ? [pid 5838] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6136] +++ exited with 0 +++ [pid 5840] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] <... symlink resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6141] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5838] newfstatat(AT_FDCWD, "./50/cgroup.net", [pid 5840] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6141] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5840] newfstatat(3, "", [pid 5838] unlink("./50/cgroup.net" [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6141] <... symlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5838] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./50/cgroup.cpu", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./48/binderfs", [pid 5838] unlink("./50/cgroup.cpu" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] unlink("./48/binderfs" [pid 6141] <... openat resumed>) = 3 [pid 5840] <... unlink resumed>) = 0 [pid 5838] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6141] write(3, "1000", 4 [pid 5840] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./50/cgroup", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6141] <... write resumed>) = 4 [pid 5840] newfstatat(AT_FDCWD, "./48/cgroup.net", [pid 5838] unlink("./50/cgroup" [pid 6141] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6141] <... close resumed>) = 0 [pid 6141] symlink("/dev/binderfs", "./binderfs" [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5840] unlink("./48/cgroup.net" [pid 6141] <... symlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] getdents64(3, executing program [pid 6141] write(1, "executing program\n", 18 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6141] <... write resumed>) = 18 [pid 5840] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3 [pid 6141] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 6141] <... socket resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5840] newfstatat(AT_FDCWD, "./48/cgroup.cpu", [pid 5838] rmdir("./50" [pid 6140] <... writev resumed>) = 61440 [pid 5842] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6140] close(3 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6140] <... close resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 6140] close(4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6141] <... sendto resumed>) = 32 [pid 6140] <... close resumed>) = 0 [pid 5842] getdents64(3, [pid 5840] unlink("./48/cgroup.cpu" [pid 5838] mkdir("./51", 0777 [pid 6141] recvfrom(3, [pid 6140] close(5 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6140] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6141] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=54}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6140] close(6 [pid 5842] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... mkdir resumed>) = 0 [pid 5840] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6141] recvfrom(3, [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6140] close(7) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./51/binderfs", [pid 6140] close(8 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] close(9 [pid 5842] unlink("./51/binderfs" [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6141] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=54}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6140] close(10 [pid 5842] umount2("./51/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6140] close(11 [pid 5842] newfstatat(AT_FDCWD, "./51/cgroup.net", [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] close(12 [pid 5842] unlink("./51/cgroup.net" [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6140] close(13 [pid 5842] umount2("./51/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6140] close(14) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./51/cgroup.cpu", [pid 6140] close(15 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./51/cgroup.cpu" [pid 6140] close(16) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6140] close(17) = -1 EBADF (Bad file descriptor) [pid 6140] close(18 [pid 5842] umount2("./51/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6140] close(19 [pid 5842] newfstatat(AT_FDCWD, "./51/cgroup", [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] close(20 [pid 5842] unlink("./51/cgroup" [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6140] close(21) = -1 EBADF (Bad file descriptor) [pid 6140] close(22) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 6141] close(3 [pid 6140] close(23 [pid 5840] newfstatat(AT_FDCWD, "./48/cgroup", [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6140] close(24 [pid 5842] close(3 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 6140] close(25) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./51" [pid 6140] close(26 [pid 5842] <... rmdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6142 attached [pid 6141] <... close resumed>) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./48/cgroup" [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 54 [pid 6142] set_robust_list(0x5555617a06a0, 24 [pid 6141] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6140] close(27 [pid 5842] mkdir("./52", 0777 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... socket resumed>) = 3 [pid 5842] <... mkdir resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6142] chdir("./51" [pid 6141] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6140] close(28 [pid 5840] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6142] <... chdir resumed>) = 0 [pid 6141] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] close(3 [pid 6142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6141] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6140] close(29 [pid 5840] <... close resumed>) = 0 [pid 6140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./48" [pid 6141] <... sendmsg resumed>) = 44 [pid 6141] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6140] exit_group(0 [pid 5840] <... rmdir resumed>) = 0 [pid 5840] mkdir("./49", 0777 [pid 6140] <... exit_group resumed>) = ? [pid 6141] <... openat resumed>) = 4 [pid 6140] +++ exited with 0 +++ [pid 5840] <... mkdir resumed>) = 0 [pid 6141] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6142] <... prctl resumed>) = 0 [pid 6142] setpgid(0, 0) = 0 [pid 6142] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 55 [pid 6142] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu"./strace-static-x86_64: Process 6143 attached [pid 6143] set_robust_list(0x5555617a06a0, 24 [pid 6142] <... symlink resumed>) = 0 [pid 6143] <... set_robust_list resumed>) = 0 [pid 6142] symlink("/syzcgroup/net/syz1", "./cgroup.net"./strace-static-x86_64: Process 6144 attached [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6143] chdir("./52" [pid 6142] <... symlink resumed>) = 0 [pid 6141] <... openat resumed>) = 5 [pid 6144] set_robust_list(0x5555617a06a0, 24 [pid 6143] <... chdir resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6141] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 52 [pid 6144] <... set_robust_list resumed>) = 0 [pid 6143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6142] <... openat resumed>) = 3 [pid 6144] chdir("./49") = 0 [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6142] write(3, "1000", 4 [pid 6144] setpgid(0, 0 [pid 6142] <... write resumed>) = 4 [pid 6144] <... setpgid resumed>) = 0 [pid 6142] close(3 [pid 6144] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6142] <... close resumed>) = 0 [pid 6144] <... symlink resumed>) = 0 [pid 6142] symlink("/dev/binderfs", "./binderfs" [pid 6144] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6142] <... symlink resumed>) = 0 [pid 6144] <... symlink resumed>) = 0 [pid 6143] <... prctl resumed>) = 0 [pid 6144] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6142] write(1, "executing program\n", 18executing program [pid 6144] <... symlink resumed>) = 0 [pid 6142] <... write resumed>) = 18 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6142] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6142] <... socket resumed>) = 3 [pid 6144] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6142] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6144] write(3, "1000", 4 [pid 6142] <... sendto resumed>) = 32 [pid 6144] <... write resumed>) = 4 [pid 5839] <... openat resumed>) = 3 [pid 6144] close(3 [pid 6142] recvfrom(3, [pid 6144] <... close resumed>) = 0 [pid 6144] symlink("/dev/binderfs", "./binderfs" [pid 5839] newfstatat(3, "", [pid 6144] <... symlink resumed>) = 0 [pid 6142] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=54}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6144] write(1, "executing program\n", 18 [pid 6142] recvfrom(3, executing program [pid 5839] getdents64(3, [pid 6144] <... write resumed>) = 18 [pid 6142] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=54}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6144] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6142] close(3 [pid 6144] <... socket resumed>) = 3 [pid 6143] setpgid(0, 0 [pid 6142] <... close resumed>) = 0 [pid 5839] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6144] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6143] <... setpgid resumed>) = 0 [pid 6144] <... sendto resumed>) = 32 [pid 6143] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6142] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] recvfrom(3, [pid 6143] <... symlink resumed>) = 0 [pid 6142] <... socket resumed>) = 3 [pid 5839] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6144] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=52}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6142] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6144] recvfrom(3, [pid 6143] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6142] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6144] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=52}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6143] <... symlink resumed>) = 0 [pid 6142] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5839] unlink("./48/binderfs" [pid 6144] close(3 [pid 6143] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6142] <... sendmsg resumed>) = 44 [pid 5839] <... unlink resumed>) = 0 [pid 6144] <... close resumed>) = 0 [pid 6143] <... symlink resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5839] umount2("./48/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6144] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6142] <... openat resumed>) = 4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] <... socket resumed>) = 3 [pid 6143] <... openat resumed>) = 3 [pid 5839] newfstatat(AT_FDCWD, "./48/cgroup.net", [pid 6144] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6143] write(3, "1000", 4 [pid 6142] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6144] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6143] <... write resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6144] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6143] close(3 [pid 6142] <... openat resumed>) = 5 [pid 5839] unlink("./48/cgroup.net" [pid 6144] <... sendmsg resumed>) = 44 [pid 6143] <... close resumed>) = 0 [pid 6142] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5839] <... unlink resumed>) = 0 [pid 6143] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6144] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5839] umount2("./48/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6144] <... openat resumed>) = 4 executing program [pid 6143] write(1, "executing program\n", 18 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6143] <... write resumed>) = 18 [pid 5839] newfstatat(AT_FDCWD, "./48/cgroup.cpu", [pid 6144] <... openat resumed>) = 5 [pid 6144] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6143] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6143] <... socket resumed>) = 3 [pid 6143] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] unlink("./48/cgroup.cpu" [pid 6143] <... sendto resumed>) = 32 [pid 6141] <... writev resumed>) = 61440 [pid 5839] <... unlink resumed>) = 0 [pid 6143] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=55}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] umount2("./48/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6143] recvfrom(3, [pid 6142] <... writev resumed>) = 61440 [pid 6141] close(3 [pid 6143] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=55}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] <... writev resumed>) = 61440 [pid 6142] close(3 [pid 6141] <... close resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./48/cgroup", [pid 6143] close(3 [pid 6144] close(3 [pid 6142] <... close resumed>) = 0 [pid 6141] close(4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6144] <... close resumed>) = 0 [pid 6143] <... close resumed>) = 0 [pid 6142] close(4 [pid 6141] <... close resumed>) = 0 [pid 5839] unlink("./48/cgroup" [pid 6144] close(4 [pid 6143] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6142] <... close resumed>) = 0 [pid 6141] close(5 [pid 6144] <... close resumed>) = 0 [pid 6142] close(5 [pid 5839] <... unlink resumed>) = 0 [pid 6144] close(5 [pid 6143] <... socket resumed>) = 3 [pid 6142] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 6143] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6144] <... close resumed>) = 0 [pid 6143] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6142] close(6 [pid 6141] <... close resumed>) = 0 [pid 5839] close(3 [pid 6144] close(6 [pid 6143] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(6 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6143] <... sendmsg resumed>) = 44 [pid 6142] close(7 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... close resumed>) = 0 [pid 6144] close(7 [pid 6143] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(7 [pid 5839] rmdir("./48" [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6143] <... openat resumed>) = 4 [pid 6142] close(8 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] close(8 [pid 6143] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(8 [pid 5839] <... rmdir resumed>) = 0 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6143] <... openat resumed>) = 5 [pid 6142] close(9 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir("./49", 0777 [pid 6144] close(9 [pid 6143] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(9 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] close(10 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 6144] close(10 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(10 [pid 6142] close(11 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] close(12 [pid 6141] close(11 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] close(13 [pid 6141] close(12 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] close(14 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(13 [pid 6142] close(15 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(14) = -1 EBADF (Bad file descriptor) [pid 6142] close(16 [pid 6141] close(15) = -1 EBADF (Bad file descriptor) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(16 [pid 6142] close(17 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] close(18 [pid 6141] close(17 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] close(19 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] close(11 [pid 6142] close(20 [pid 6141] close(18 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] close(21 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(19./strace-static-x86_64: Process 6145 attached [pid 6142] close(22 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] set_robust_list(0x5555617a06a0, 24 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... set_robust_list resumed>) = 0 [pid 6142] close(23 [pid 6141] close(20 [pid 6145] chdir("./49" [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... chdir resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(21 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6142] close(24 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... prctl resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(22 [pid 6145] setpgid(0, 0 [pid 6142] close(25 [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... setpgid resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(23 [pid 6145] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6142] close(26) = -1 EBADF (Bad file descriptor) [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... symlink resumed>) = 0 [pid 6142] close(27 [pid 6141] close(24 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] close(25 [pid 6145] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6142] close(28 [pid 6145] <... symlink resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] close(29 [pid 6141] close(26 [pid 6145] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... symlink resumed>) = 0 [pid 6142] exit_group(0 [pid 6141] close(27) = -1 EBADF (Bad file descriptor) [pid 6141] close(28 [pid 6142] <... exit_group resumed>) = ? [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] +++ exited with 0 +++ [pid 6141] close(29 [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... openat resumed>) = 3 [pid 6141] exit_group(0) = ? [pid 6145] write(3, "1000", 4 [pid 6141] +++ exited with 0 +++ [pid 6145] <... write resumed>) = 4 [pid 6145] close(3) = 0 [pid 6145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5838] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6145] write(1, "executing program\n", 18 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6145] <... write resumed>) = 18 [pid 5838] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6145] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5838] <... openat resumed>) = 3 [pid 6145] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5838] newfstatat(3, "", [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6145] <... sendto resumed>) = 32 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] close(12 [pid 6145] recvfrom(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6145] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=52}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6145] recvfrom(3, [pid 5838] getdents64(3, [pid 6145] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=52}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6145] close(3 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 52 [pid 5838] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6145] <... close resumed>) = 0 [pid 6144] close(13 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6145] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5835] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... openat resumed>) = 3 [pid 6145] <... socket resumed>) = 3 [pid 6144] close(14 [pid 5838] unlink("./51/binderfs" [pid 6145] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 6145] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6144] close(15 [pid 5838] umount2("./51/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6144] close(16 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6145] <... sendmsg resumed>) = 44 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./51/cgroup.net", [pid 5835] getdents64(3, [pid 6145] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6144] close(17 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6145] <... openat resumed>) = 4 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6144] close(18 [pid 5838] unlink("./51/cgroup.net" [pid 5835] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6145] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] close(19 [pid 5838] umount2("./51/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6145] <... openat resumed>) = 5 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./51/binderfs", [pid 6144] close(20 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6144] close(21 [pid 5838] newfstatat(AT_FDCWD, "./51/cgroup.cpu", [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./51/binderfs" [pid 6144] close(22 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] close(23) = -1 EBADF (Bad file descriptor) [pid 6143] <... writev resumed>) = 61440 [pid 5838] unlink("./51/cgroup.cpu" [pid 5835] umount2("./51/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6144] close(24 [pid 6143] close(3) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6143] close(4 [pid 5835] newfstatat(AT_FDCWD, "./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./51/cgroup.net" [pid 6143] <... close resumed>) = 0 [pid 6143] close(5 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./51/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 6143] <... close resumed>) = 0 [pid 6144] close(25 [pid 6143] close(6 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./51/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6144] close(26 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./51/cgroup", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6143] close(7 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./51/cgroup.cpu", [pid 6144] close(27 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./51/cgroup" [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6144] close(28 [pid 6143] close(8 [pid 5838] <... unlink resumed>) = 0 [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] close(29 [pid 6143] close(9 [pid 5838] getdents64(3, [pid 5835] unlink("./51/cgroup.cpu" [pid 6144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6144] exit_group(0 [pid 6143] close(10 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] umount2("./51/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6144] <... exit_group resumed>) = ? [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] +++ exited with 0 +++ [pid 6143] close(11 [pid 5838] close(3 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6143] close(12 [pid 5838] rmdir("./51" [pid 5835] newfstatat(AT_FDCWD, "./51/cgroup", [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rmdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6143] close(13 [pid 5835] unlink("./51/cgroup" [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] mkdir("./52", 0777 [pid 5835] <... unlink resumed>) = 0 [pid 6143] close(14 [pid 5838] <... mkdir resumed>) = 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6143] close(15 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6143] close(16 [pid 5835] <... close resumed>) = 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./51" [pid 6143] close(17 [pid 5835] <... rmdir resumed>) = 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5835] mkdir("./52", 0777 [pid 6143] close(18 [pid 5835] <... mkdir resumed>) = 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6143] close(19 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6146 attached [pid 6143] close(20 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6146] set_robust_list(0x5555617a06a0, 24 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 55 [pid 6146] <... set_robust_list resumed>) = 0 [pid 6143] close(21 [pid 5840] <... openat resumed>) = 3 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 6143] close(22 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 6146] chdir("./52" [pid 6143] close(23 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... chdir resumed>) = 0 [pid 6143] close(24 [pid 5840] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6147 attached [pid 6146] <... prctl resumed>) = 0 [pid 6143] close(25 [pid 5840] newfstatat(AT_FDCWD, "./49/binderfs", [pid 6147] set_robust_list(0x5555617a06a0, 24 [pid 6146] setpgid(0, 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] <... set_robust_list resumed>) = 0 [pid 6146] <... setpgid resumed>) = 0 [pid 6143] close(26 [pid 5840] unlink("./49/binderfs" [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 55 [pid 6147] chdir("./52" [pid 6146] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6146] <... symlink resumed>) = 0 [pid 6147] <... chdir resumed>) = 0 [pid 6143] close(27 [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6146] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6147] <... prctl resumed>) = 0 [pid 6146] <... symlink resumed>) = 0 [pid 6143] close(28 [pid 6147] setpgid(0, 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6147] <... setpgid resumed>) = 0 [pid 6146] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6143] close(29 [pid 5840] newfstatat(AT_FDCWD, "./49/cgroup.net", [pid 6147] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6146] <... symlink resumed>) = 0 [pid 6145] <... writev resumed>) = 61440 [pid 6147] <... symlink resumed>) = 0 [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6145] close(3 [pid 6143] exit_group(0 [pid 5840] unlink("./49/cgroup.net" [pid 6147] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6145] <... close resumed>) = 0 [pid 6143] <... exit_group resumed>) = ? [pid 6145] close(4 [pid 6146] <... openat resumed>) = 3 [pid 5840] <... unlink resumed>) = 0 [pid 6147] <... symlink resumed>) = 0 [pid 6145] <... close resumed>) = 0 [pid 5840] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6143] +++ exited with 0 +++ [pid 5840] unlink("./49/cgroup.cpu" [pid 6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6146] write(3, "1000", 4 [pid 6145] close(5 [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6147] <... openat resumed>) = 3 [pid 5840] newfstatat(AT_FDCWD, "./49/cgroup", [pid 6147] write(3, "1000", 4 [pid 6146] <... write resumed>) = 4 [pid 6145] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] <... write resumed>) = 4 [pid 6146] close(3 [pid 6145] close(6 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] unlink("./49/cgroup" [pid 6147] close(3 [pid 6146] <... close resumed>) = 0 executing program executing program [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... unlink resumed>) = 0 [pid 6147] <... close resumed>) = 0 [pid 6146] symlink("/dev/binderfs", "./binderfs" [pid 6145] close(7 [pid 5840] getdents64(3, [pid 6147] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./49" [pid 6147] <... symlink resumed>) = 0 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 6146] <... symlink resumed>) = 0 [pid 6147] write(1, "executing program\n", 18 [pid 6145] close(8 [pid 6146] write(1, "executing program\n", 18 [pid 6147] <... write resumed>) = 18 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... write resumed>) = 18 [pid 6145] close(9) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./50", 0777 [pid 6145] close(10 [pid 5840] <... mkdir resumed>) = 0 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6147] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6146] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6145] close(11 [pid 5842] <... restart_syscall resumed>) = 0 [pid 6147] <... socket resumed>) = 3 [pid 6146] <... socket resumed>) = 3 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6148 attached [pid 6147] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6146] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6145] close(12 [pid 6148] set_robust_list(0x5555617a06a0, 24 [pid 6147] <... sendto resumed>) = 32 [pid 6146] <... sendto resumed>) = 32 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] <... set_robust_list resumed>) = 0 [pid 6146] recvfrom(3, [pid 6145] close(13 [pid 5842] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 53 [pid 6148] chdir("./50" [pid 6146] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=55}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6148] <... chdir resumed>) = 0 [pid 6147] recvfrom(3, [pid 6146] recvfrom(3, [pid 6145] close(14 [pid 5842] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6147] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=55}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6146] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=55}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... openat resumed>) = 3 [pid 6148] <... prctl resumed>) = 0 [pid 6147] recvfrom(3, [pid 6146] close(3 [pid 6145] close(15 [pid 6148] setpgid(0, 0 [pid 6147] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=55}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6146] <... close resumed>) = 0 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 6148] <... setpgid resumed>) = 0 [pid 6147] close(3 [pid 6146] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6145] close(16 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6148] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6147] <... close resumed>) = 0 [pid 6146] <... socket resumed>) = 3 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 6148] <... symlink resumed>) = 0 [pid 6147] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6146] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6145] close(17 [pid 6148] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6147] <... socket resumed>) = 3 [pid 6146] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6148] <... symlink resumed>) = 0 [pid 6147] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6146] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6145] close(18 [pid 6147] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6146] <... sendmsg resumed>) = 44 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6148] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6147] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6146] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6145] close(19 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6148] <... symlink resumed>) = 0 [pid 6147] <... sendmsg resumed>) = 44 [pid 6146] <... openat resumed>) = 4 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./52/binderfs", [pid 6148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6145] close(20 [pid 6148] <... openat resumed>) = 3 [pid 6147] <... openat resumed>) = 4 [pid 6146] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6146] <... openat resumed>) = 5 [pid 6145] close(21 [pid 5842] unlink("./52/binderfs" [pid 6148] write(3, "1000", 4 [pid 6146] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6148] <... write resumed>) = 4 [pid 6147] <... openat resumed>) = 5 [pid 6145] close(22 [pid 6148] close(3 [pid 6147] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./52/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6148] <... close resumed>) = 0 [pid 6145] close(23 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6148] symlink("/dev/binderfs", "./binderfs" [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6148] <... symlink resumed>) = 0 executing program [pid 5842] unlink("./52/cgroup.net" [pid 6145] close(24 [pid 6148] write(1, "executing program\n", 18 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6148] <... write resumed>) = 18 [pid 6145] close(25) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./52/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6148] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6148] <... socket resumed>) = 3 [pid 6145] close(26 [pid 5842] newfstatat(AT_FDCWD, "./52/cgroup.cpu", [pid 6148] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6148] <... sendto resumed>) = 32 [pid 6145] close(27 [pid 6148] recvfrom(3, [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./52/cgroup.cpu" [pid 6148] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=53}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6145] close(28 [pid 5842] <... unlink resumed>) = 0 [pid 6148] recvfrom(3, [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=53}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6145] close(29 [pid 5842] umount2("./52/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6148] close(3 [pid 6145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] <... close resumed>) = 0 [pid 6145] exit_group(0 [pid 6148] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6145] <... exit_group resumed>) = ? [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./52/cgroup", [pid 6148] <... socket resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6148] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 5842] unlink("./52/cgroup" [pid 6148] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... unlink resumed>) = 0 [pid 6148] <... sendmsg resumed>) = 44 [pid 6148] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 5842] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 6148] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./52" [pid 6148] <... openat resumed>) = 5 [pid 5842] <... rmdir resumed>) = 0 [pid 6148] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6145] +++ exited with 0 +++ [pid 5842] mkdir("./53", 0777) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6149 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 56 [pid 5839] newfstatat(3, "", [pid 6149] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6147] <... writev resumed>) = 61440 [pid 5839] unlink("./49/binderfs" [pid 6147] close(3 [pid 5839] <... unlink resumed>) = 0 [pid 6148] <... writev resumed>) = 61440 [pid 6148] close(3 [pid 6147] <... close resumed>) = 0 [pid 6148] <... close resumed>) = 0 [pid 6148] close(4) = 0 [pid 6149] chdir("./53" [pid 6147] close(4 [pid 5839] umount2("./49/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6149] <... chdir resumed>) = 0 [pid 6148] close(5 [pid 6147] <... close resumed>) = 0 [pid 6146] <... writev resumed>) = 61440 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6148] <... close resumed>) = 0 [pid 6146] close(3 [pid 5839] newfstatat(AT_FDCWD, "./49/cgroup.net", [pid 6149] <... prctl resumed>) = 0 [pid 6147] close(5 [pid 6146] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6149] setpgid(0, 0 [pid 6148] close(6 [pid 6147] <... close resumed>) = 0 [pid 6146] close(4 [pid 5839] unlink("./49/cgroup.net" [pid 6149] <... setpgid resumed>) = 0 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6148] close(7 [pid 6149] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(6 [pid 6146] close(5 [pid 5839] umount2("./49/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6149] <... symlink resumed>) = 0 [pid 6148] close(8 [pid 6146] <... close resumed>) = 0 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6146] close(6 [pid 6147] close(7 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./49/cgroup.cpu", [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(7 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] close(8 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] close(9 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./49/cgroup.cpu" [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(9 [pid 6146] close(8 [pid 5839] <... unlink resumed>) = 0 [pid 6149] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6148] close(10 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./49/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6149] <... symlink resumed>) = 0 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(10 [pid 6146] close(9 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6149] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6148] close(11 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./49/cgroup", [pid 6149] <... symlink resumed>) = 0 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(11 [pid 6146] close(10 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6148] close(12 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./49/cgroup" [pid 6149] <... openat resumed>) = 3 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(12 [pid 6146] close(11 [pid 6149] write(3, "1000", 4 [pid 6148] close(13 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6149] <... write resumed>) = 4 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(13 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] close(3 [pid 6148] close(14 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(12 [pid 5839] getdents64(3, [pid 6149] <... close resumed>) = 0 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(14 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6149] symlink("/dev/binderfs", "./binderfs" [pid 6148] close(15 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] close(3 [pid 6149] <... symlink resumed>) = 0 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6147] close(15 [pid 6146] close(13 [pid 5839] <... close resumed>) = 0 [pid 6149] write(1, "executing program\n", 18 [pid 6148] close(16 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... write resumed>) = 18 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(16 [pid 6146] close(14 [pid 5839] rmdir("./49" [pid 6149] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6148] close(17 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... rmdir resumed>) = 0 [pid 6149] <... socket resumed>) = 3 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] close(17 [pid 6146] close(15 [pid 6149] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir("./50", 0777 [pid 6149] <... sendto resumed>) = 32 [pid 6148] close(18 [pid 6147] close(18 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] recvfrom(3, [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(16 [pid 5839] <... mkdir resumed>) = 0 [pid 6149] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=56}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6148] close(19 [pid 6147] close(19 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] recvfrom(3, [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6150 attached [pid 6149] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=56}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6148] close(20 [pid 6147] close(20 [pid 6146] close(17 [pid 6149] close(3 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] set_robust_list(0x5555617a06a0, 24 [pid 6149] <... close resumed>) = 0 [pid 6148] close(21 [pid 6147] close(21 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 53 [pid 6150] <... set_robust_list resumed>) = 0 [pid 6149] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(18 [pid 6149] <... socket resumed>) = 3 [pid 6148] close(22 [pid 6147] close(22 [pid 6150] chdir("./50" [pid 6149] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... chdir resumed>) = 0 [pid 6149] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6148] close(23 [pid 6147] close(23 [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(19 [pid 6150] <... prctl resumed>) = 0 [pid 6149] <... sendmsg resumed>) = 44 [pid 6148] close(24 [pid 6147] close(24 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] setpgid(0, 0 [pid 6149] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] close(20 [pid 6150] <... setpgid resumed>) = 0 [pid 6149] <... openat resumed>) = 4 [pid 6148] close(25 [pid 6147] close(25 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6149] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... symlink resumed>) = 0 [pid 6149] <... openat resumed>) = 5 [pid 6148] close(26 [pid 6147] close(26 [pid 6146] close(21 [pid 6150] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... symlink resumed>) = 0 [pid 6149] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6148] close(27 [pid 6147] close(27 [pid 6146] close(22 [pid 6150] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] close(28 [pid 6147] close(28 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] close(29 [pid 6147] close(29 [pid 6148] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6148] exit_group(0 [pid 6147] exit_group(0 [pid 6148] <... exit_group resumed>) = ? [pid 6150] <... symlink resumed>) = 0 [pid 6148] +++ exited with 0 +++ [pid 6147] <... exit_group resumed>) = ? [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] +++ exited with 0 +++ [pid 6146] close(23 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... openat resumed>) = 3 [pid 6150] write(3, "1000", 4) = 4 [pid 5840] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6150] close(3 [pid 5840] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6150] <... close resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 6150] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6150] <... symlink resumed>) = 0 [pid 5840] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 executing program [pid 5840] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6150] write(1, "executing program\n", 18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6150] <... write resumed>) = 18 [pid 5840] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6150] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6146] close(24 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6150] <... socket resumed>) = 3 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./50/binderfs" [pid 5835] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6150] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6146] close(25 [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6150] <... sendto resumed>) = 32 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6150] recvfrom(3, [pid 6146] close(26 [pid 5840] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... openat resumed>) = 3 [pid 6150] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=53}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(3, "", [pid 6150] recvfrom(3, [pid 6146] close(27 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6150] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=53}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./50/cgroup.net", [pid 5835] getdents64(3, [pid 6150] close(3 [pid 6146] close(28 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6150] <... close resumed>) = 0 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./50/cgroup.net" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6150] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6146] close(29 [pid 5840] <... unlink resumed>) = 0 [pid 5835] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6150] <... socket resumed>) = 3 [pid 6146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6150] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6146] exit_group(0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./52/binderfs", [pid 6150] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6146] <... exit_group resumed>) = ? [pid 5840] newfstatat(AT_FDCWD, "./50/cgroup.cpu", [pid 6150] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6150] <... sendmsg resumed>) = 44 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6146] +++ exited with 0 +++ [pid 6150] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5840] unlink("./50/cgroup.cpu" [pid 5835] unlink("./52/binderfs" [pid 6150] <... openat resumed>) = 4 [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6150] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5840] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./52/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6150] <... openat resumed>) = 5 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./50/cgroup", [pid 5835] newfstatat(AT_FDCWD, "./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./52/cgroup.net" [pid 6150] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] unlink("./50/cgroup" [pid 5835] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5835] umount2("./52/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5840] close(3 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./50" [pid 5835] newfstatat(AT_FDCWD, "./52/cgroup.cpu", [pid 5840] <... rmdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] mkdir("./51", 0777) = 0 [pid 5838] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./52/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./52/binderfs") = 0 [pid 5838] umount2("./52/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6151 attached ) = -1 EINVAL (Invalid argument) [pid 6151] set_robust_list(0x5555617a06a0, 24 [pid 5838] newfstatat(AT_FDCWD, "./52/cgroup.net", [pid 6151] <... set_robust_list resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 54 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6151] chdir("./51" [pid 5838] unlink("./52/cgroup.net") = 0 [pid 6151] <... chdir resumed>) = 0 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] umount2("./52/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6151] setpgid(0, 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6151] <... setpgid resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./52/cgroup.cpu", [pid 6151] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6151] <... symlink resumed>) = 0 [pid 5838] unlink("./52/cgroup.cpu" [pid 6151] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5838] <... unlink resumed>) = 0 [pid 6151] <... symlink resumed>) = 0 [pid 5838] umount2("./52/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6151] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./52/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6151] <... symlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./52/cgroup", [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6151] <... openat resumed>) = 3 [pid 5838] unlink("./52/cgroup") = 0 [pid 6151] write(3, "1000", 4 [pid 5838] getdents64(3, [pid 6151] <... write resumed>) = 4 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6151] close(3) = 0 [pid 6151] symlink("/dev/binderfs", "./binderfs" [pid 5838] close(3 [pid 6151] <... symlink resumed>) = 0 [pid 5838] <... close resumed>) = 0 executing program [pid 5838] rmdir("./52" [pid 6151] write(1, "executing program\n", 18 [pid 5838] <... rmdir resumed>) = 0 [pid 6151] <... write resumed>) = 18 [pid 6151] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5838] mkdir("./53", 0777) = 0 [pid 6151] <... socket resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6151] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6151] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=54}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 ./strace-static-x86_64: Process 6152 attached [pid 6151] recvfrom(3, [pid 6152] set_robust_list(0x5555617a06a0, 24 [pid 6151] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=54}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 56 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] close(3) = 0 [pid 6152] chdir("./53" [pid 6151] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6149] <... writev resumed>) = 61440 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6152] <... chdir resumed>) = 0 [pid 6151] <... socket resumed>) = 3 [pid 6152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] close(3 [pid 5835] newfstatat(AT_FDCWD, "./52/cgroup", [pid 6152] <... prctl resumed>) = 0 [pid 6151] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6149] <... close resumed>) = 0 [pid 6152] setpgid(0, 0 [pid 6151] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6149] close(4) = 0 [pid 6152] <... setpgid resumed>) = 0 [pid 6151] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6152] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6151] <... sendmsg resumed>) = 44 [pid 6149] close(5 [pid 5835] unlink("./52/cgroup" [pid 6152] <... symlink resumed>) = 0 [pid 6151] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6149] <... close resumed>) = 0 [pid 6152] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6149] close(6 [pid 5835] <... unlink resumed>) = 0 [pid 6152] <... symlink resumed>) = 0 [pid 6151] <... openat resumed>) = 4 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6151] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6149] close(7 [pid 5835] getdents64(3, [pid 6152] <... symlink resumed>) = 0 [pid 6151] <... openat resumed>) = 5 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] close(8 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6151] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6152] <... openat resumed>) = 3 [pid 6149] close(9 [pid 5835] <... close resumed>) = 0 [pid 6152] write(3, "1000", 4 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./52" [pid 6152] <... write resumed>) = 4 [pid 6149] close(10 [pid 5835] <... rmdir resumed>) = 0 [pid 6152] close(3 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = 0 [pid 6149] close(11 [pid 5835] mkdir("./53", 0777 [pid 6152] symlink("/dev/binderfs", "./binderfs" [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6152] <... symlink resumed>) = 0 [pid 6150] <... writev resumed>) = 61440 [pid 6152] write(1, "executing program\n", 18 [pid 6150] close(3 [pid 6149] close(12 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6153 attached [pid 6152] <... write resumed>) = 18 [pid 6150] <... close resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] set_robust_list(0x5555617a06a0, 24 [pid 6152] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6150] close(4 [pid 6149] close(13 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 56 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6152] <... socket resumed>) = 3 [pid 6150] <... close resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] chdir("./53" [pid 6152] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6150] close(5 [pid 6149] close(14 [pid 6153] <... chdir resumed>) = 0 [pid 6152] <... sendto resumed>) = 32 [pid 6150] <... close resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6152] recvfrom(3, [pid 6150] close(6 [pid 6153] <... prctl resumed>) = 0 [pid 6152] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=56}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] setpgid(0, 0 [pid 6152] recvfrom(3, [pid 6150] close(7 [pid 6149] close(15 [pid 6153] <... setpgid resumed>) = 0 [pid 6152] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=56}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6152] close(3 [pid 6151] <... writev resumed>) = 61440 [pid 6150] close(8 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... symlink resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6151] close(3 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] close(16 [pid 6153] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6152] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6151] <... close resumed>) = 0 [pid 6150] close(9 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... symlink resumed>) = 0 [pid 6152] <... socket resumed>) = 3 [pid 6151] close(4 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] close(17 [pid 6153] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6152] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6151] <... close resumed>) = 0 [pid 6150] close(10 [pid 6152] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... symlink resumed>) = 0 [pid 6152] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6151] close(5 [pid 6150] close(11 [pid 6149] close(18 [pid 6153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6152] <... sendmsg resumed>) = 44 [pid 6151] <... close resumed>) = 0 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6151] close(6 [pid 6150] close(12 [pid 6153] <... openat resumed>) = 3 [pid 6152] <... openat resumed>) = 4 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(13 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(14) = -1 EBADF (Bad file descriptor) [pid 6151] close(7 [pid 6150] close(15 [pid 6152] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... openat resumed>) = 5 [pid 6151] close(8 [pid 6150] close(16 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6151] close(9 [pid 6150] close(17 [pid 6153] write(3, "1000", 4 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... write resumed>) = 4 [pid 6150] close(18 [pid 6149] close(19 [pid 6153] close(3 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... close resumed>) = 0 [pid 6149] close(20 [pid 6153] symlink("/dev/binderfs", "./binderfs" [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6153] <... symlink resumed>) = 0 [pid 6149] close(21 [pid 6153] write(1, "executing program\n", 18 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... write resumed>) = 18 [pid 6149] close(22 [pid 6153] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] close(23 [pid 6153] <... socket resumed>) = 3 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] close(24) = -1 EBADF (Bad file descriptor) [pid 6153] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6149] close(25 [pid 6150] close(19 [pid 6153] <... sendto resumed>) = 32 [pid 6151] close(10 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] recvfrom(3, [pid 6149] close(26 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=56}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] recvfrom(3, [pid 6149] close(27 [pid 6153] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=56}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6151] close(11 [pid 6150] close(20 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(3 [pid 6149] close(28 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] <... close resumed>) = 0 [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6149] close(29 [pid 6153] <... socket resumed>) = 3 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] close(12 [pid 6149] exit_group(0 [pid 6153] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6149] <... exit_group resumed>) = ? [pid 6153] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6149] +++ exited with 0 +++ [pid 6153] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6153] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6153] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(21 [pid 6151] close(13 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6151] close(14 [pid 6150] close(22 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] close(15 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6150] close(23) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(24 [pid 5842] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6151] close(16 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(25 [pid 6151] close(17) = -1 EBADF (Bad file descriptor) [pid 6151] close(18) = -1 EBADF (Bad file descriptor) [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6151] close(19 [pid 5842] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(26 [pid 5842] <... openat resumed>) = 3 [pid 6151] close(20 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(27 [pid 6151] close(21 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... writev resumed>) = 61440 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(28 [pid 5842] newfstatat(3, "", [pid 6152] close(3 [pid 6151] close(22 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6152] <... close resumed>) = 0 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(29 [pid 5842] getdents64(3, [pid 6152] close(4 [pid 6151] close(23 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6152] <... close resumed>) = 0 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] exit_group(0 [pid 6151] close(24 [pid 6150] <... exit_group resumed>) = ? [pid 6152] close(5 [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] +++ exited with 0 +++ [pid 6152] <... close resumed>) = 0 [pid 6151] close(25) = -1 EBADF (Bad file descriptor) [pid 6151] close(26) = -1 EBADF (Bad file descriptor) [pid 6152] close(6 [pid 6151] close(27 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(7 [pid 6151] close(28 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(8 [pid 6151] close(29 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(9 [pid 6151] exit_group(0 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6151] <... exit_group resumed>) = ? [pid 6152] close(10 [pid 6151] +++ exited with 0 +++ [pid 5842] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6152] close(11) = -1 EBADF (Bad file descriptor) [pid 6152] close(12) = -1 EBADF (Bad file descriptor) [pid 6152] close(13) = -1 EBADF (Bad file descriptor) [pid 6152] close(14) = -1 EBADF (Bad file descriptor) [pid 6152] close(15 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(16) = -1 EBADF (Bad file descriptor) [pid 6152] close(17) = -1 EBADF (Bad file descriptor) [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6152] close(18) = -1 EBADF (Bad file descriptor) [pid 5839] <... restart_syscall resumed>) = 0 [pid 6152] close(19) = -1 EBADF (Bad file descriptor) [pid 6152] close(20) = -1 EBADF (Bad file descriptor) [pid 6152] close(21) = -1 EBADF (Bad file descriptor) [pid 6152] close(22) = -1 EBADF (Bad file descriptor) [pid 6152] close(23) = -1 EBADF (Bad file descriptor) [pid 6152] close(24 [pid 5839] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(25 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(26 [pid 5839] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 6152] close(27) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(3, "", [pid 6152] close(28) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6152] close(29) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6152] exit_group(0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6152] <... exit_group resumed>) = ? [pid 6153] <... writev resumed>) = 61440 [pid 6152] +++ exited with 0 +++ [pid 5842] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5840] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6153] close(3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6153] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] unlink("./50/binderfs" [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5839] <... unlink resumed>) = 0 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5839] umount2("./50/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... restart_syscall resumed>) = 0 [pid 6153] close(4 [pid 5842] unlink("./53/binderfs" [pid 5840] newfstatat(3, "", [pid 5839] newfstatat(AT_FDCWD, "./50/cgroup.net", [pid 6153] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6153] close(5 [pid 5842] umount2("./53/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] unlink("./50/cgroup.net" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5839] <... unlink resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6153] <... close resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./53/cgroup.net", [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./50/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 6153] close(6 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(3, "", [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./53/cgroup.net" [pid 5839] newfstatat(AT_FDCWD, "./50/cgroup.cpu", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6153] close(7 [pid 5842] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./53/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./50/cgroup.cpu" [pid 5838] getdents64(3, [pid 6153] close(8 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./50/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./53/cgroup.cpu", [pid 5840] unlink("./51/binderfs" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6153] close(9 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./50/cgroup", [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./53/cgroup.cpu" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./50/cgroup" [pid 5838] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 5838] unlink("./53/binderfs" [pid 6153] close(10 [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./51/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5842] umount2("./53/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./51/cgroup.net", [pid 5842] newfstatat(AT_FDCWD, "./53/cgroup", [pid 6153] close(11 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(12 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./51/cgroup.net" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./53/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./53/cgroup" [pid 5839] close(3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6153] close(13 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./53/cgroup.net", [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./50" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6153] close(14 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] unlink("./53/cgroup.net" [pid 5842] getdents64(3, [pid 5839] mkdir("./51", 0777 [pid 5838] <... unlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] umount2("./53/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6153] close(15 [pid 5842] close(3 [pid 5840] umount2("./51/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./53/cgroup.cpu", ./strace-static-x86_64: Process 6154 attached [pid 6153] close(16 [pid 5842] rmdir("./53" [pid 5840] newfstatat(AT_FDCWD, "./51/cgroup.cpu", [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6154] set_robust_list(0x5555617a06a0, 24 [pid 6153] close(17 [pid 5842] mkdir("./54", 0777 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 54 [pid 5838] unlink("./53/cgroup.cpu" [pid 6154] <... set_robust_list resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 5840] unlink("./51/cgroup.cpu" [pid 5838] <... unlink resumed>) = 0 [pid 6153] close(18 [pid 5838] umount2("./53/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./53/cgroup") = 0 [pid 5838] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./53" [pid 6154] chdir("./51" [pid 6153] close(19 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] umount2("./51/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 6154] <... chdir resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6153] close(20) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./51/cgroup", [pid 6153] close(21 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6153] close(22 [pid 5840] unlink("./51/cgroup" [pid 5838] mkdir("./54", 0777 [pid 6154] <... prctl resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] setpgid(0, 0 [pid 6153] close(23 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6154] <... setpgid resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6155 attached [pid 6154] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6153] close(24 [pid 5840] getdents64(3, ./strace-static-x86_64: Process 6156 attached [pid 6155] set_robust_list(0x5555617a06a0, 24 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6155] <... set_robust_list resumed>) = 0 [pid 6153] close(25 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 57 [pid 5840] close(3 [pid 6155] chdir("./54" [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6153] close(26 [pid 6156] set_robust_list(0x5555617a06a0, 24 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 57 [pid 6153] close(27) = -1 EBADF (Bad file descriptor) [pid 6153] close(28 [pid 5840] rmdir("./51" [pid 6156] <... set_robust_list resumed>) = 0 [pid 6155] <... chdir resumed>) = 0 [pid 6154] <... symlink resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 6156] chdir("./54" [pid 6153] close(29 [pid 5840] mkdir("./52", 0777 [pid 6155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6154] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6156] <... chdir resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... prctl resumed>) = 0 [pid 6156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6155] setpgid(0, 0 [pid 6154] <... symlink resumed>) = 0 [pid 6153] exit_group(0 [pid 5840] <... mkdir resumed>) = 0 [pid 6156] setpgid(0, 0 [pid 6155] <... setpgid resumed>) = 0 [pid 6153] <... exit_group resumed>) = ? [pid 6156] <... setpgid resumed>) = 0 [pid 6155] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6154] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6156] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6155] <... symlink resumed>) = 0 [pid 6154] <... symlink resumed>) = 0 [pid 6154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6155] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6153] +++ exited with 0 +++ ./strace-static-x86_64: Process 6157 attached [pid 6156] <... symlink resumed>) = 0 [pid 6155] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6154] write(3, "1000", 4 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6157] set_robust_list(0x5555617a06a0, 24 [pid 6156] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6155] <... symlink resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6157] <... set_robust_list resumed>) = 0 [pid 6156] <... symlink resumed>) = 0 [pid 6154] <... write resumed>) = 4 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 55 [pid 6155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... restart_syscall resumed>) = 0 [pid 6156] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6154] close(3 [pid 6157] chdir("./52") = 0 [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6156] <... symlink resumed>) = 0 [pid 6155] <... openat resumed>) = 3 [pid 6154] <... close resumed>) = 0 [pid 5835] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6157] <... prctl resumed>) = 0 [pid 6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6155] write(3, "1000", 4 [pid 6154] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6157] setpgid(0, 0 [pid 6156] <... openat resumed>) = 3 [pid 6155] <... write resumed>) = 4 [pid 6154] <... symlink resumed>) = 0 executing program [pid 5835] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6157] <... setpgid resumed>) = 0 [pid 6156] write(3, "1000", 4 [pid 6155] close(3 [pid 6154] write(1, "executing program\n", 18) = 18 [pid 5835] <... openat resumed>) = 3 [pid 6155] <... close resumed>) = 0 [pid 6157] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6156] <... write resumed>) = 4 [pid 6154] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] newfstatat(3, "", [pid 6156] close(3 [pid 6157] <... symlink resumed>) = 0 [pid 6155] symlink("/dev/binderfs", "./binderfs" [pid 6154] <... socket resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6154] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5835] getdents64(3, [pid 6157] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6156] <... close resumed>) = 0 [pid 6155] <... symlink resumed>) = 0 [pid 6154] <... sendto resumed>) = 32 [pid 6154] recvfrom(3, [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6156] symlink("/dev/binderfs", "./binderfs" [pid 6155] write(1, "executing program\n", 18 executing program [pid 6154] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=54}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5835] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6157] <... symlink resumed>) = 0 [pid 6156] <... symlink resumed>) = 0 [pid 6155] <... write resumed>) = 18 [pid 6154] recvfrom(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] write(1, "executing program\n", 18 [pid 6154] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=54}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5835] newfstatat(AT_FDCWD, "./53/binderfs", [pid 6157] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6156] <... write resumed>) = 18 [pid 6155] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6154] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6155] <... socket resumed>) = 3 [pid 6154] <... close resumed>) = 0 [pid 5835] unlink("./53/binderfs" [pid 6157] <... symlink resumed>) = 0 [pid 6154] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6156] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6155] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6154] <... socket resumed>) = 3 [pid 5835] <... unlink resumed>) = 0 [pid 6157] <... openat resumed>) = 3 [pid 6156] <... socket resumed>) = 3 [pid 6154] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5835] umount2("./53/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6157] write(3, "1000", 4 [pid 6156] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6154] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6157] <... write resumed>) = 4 [pid 6155] <... sendto resumed>) = 32 [pid 6154] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6157] close(3 [pid 6155] recvfrom(3, [pid 6157] <... close resumed>) = 0 [pid 6156] <... sendto resumed>) = 32 [pid 6154] <... sendmsg resumed>) = 44 [pid 5835] newfstatat(AT_FDCWD, "./53/cgroup.net", [pid 6154] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6157] symlink("/dev/binderfs", "./binderfs" [pid 6156] recvfrom(3, [pid 6155] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=57}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6154] <... openat resumed>) = 4 [pid 6157] <... symlink resumed>) = 0 [pid 6156] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=57}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6155] recvfrom(3, [pid 5835] unlink("./53/cgroup.net"executing program [pid 6157] write(1, "executing program\n", 18 [pid 6156] recvfrom(3, [pid 6155] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=57}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6154] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5835] <... unlink resumed>) = 0 [pid 6157] <... write resumed>) = 18 [pid 6156] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=57}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6155] close(3 [pid 5835] umount2("./53/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6157] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6156] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6156] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] unlink("./53/cgroup.cpu" [pid 6156] <... socket resumed>) = 3 [pid 5835] <... unlink resumed>) = 0 [pid 6157] <... socket resumed>) = 3 [pid 6156] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6155] <... close resumed>) = 0 [pid 6154] <... openat resumed>) = 5 [pid 6157] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6156] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6155] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6154] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] umount2("./53/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6156] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6155] <... socket resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] <... sendmsg resumed>) = 44 [pid 6155] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5835] newfstatat(AT_FDCWD, "./53/cgroup", [pid 6156] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./53/cgroup" [pid 6156] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5835] <... unlink resumed>) = 0 [pid 6156] <... openat resumed>) = 5 [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6156] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] close(3) = 0 [pid 5835] rmdir("./53" [pid 6157] <... sendto resumed>) = 32 [pid 5835] <... rmdir resumed>) = 0 [pid 6157] recvfrom(3, [pid 6155] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6155] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6157] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=55}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6155] <... sendmsg resumed>) = 44 [pid 5835] mkdir("./54", 0777 [pid 6157] recvfrom(3, [pid 6155] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 5835] <... mkdir resumed>) = 0 [pid 6155] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6155] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6157] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=55}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6157] close(3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6157] <... close resumed>) = 0 [pid 6157] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6156] <... writev resumed>) = 61440 ./strace-static-x86_64: Process 6158 attached [pid 6157] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6156] close(3 [pid 6158] set_robust_list(0x5555617a06a0, 24 [pid 6157] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6156] <... close resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 57 [pid 6158] <... set_robust_list resumed>) = 0 [pid 6157] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6156] close(4 [pid 6155] <... writev resumed>) = 61440 [pid 6158] chdir("./54" [pid 6157] <... sendmsg resumed>) = 44 [pid 6155] close(3 [pid 6157] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6155] <... close resumed>) = 0 [pid 6158] <... chdir resumed>) = 0 [pid 6157] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6156] <... close resumed>) = 0 [pid 6155] close(4 [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6157] <... openat resumed>) = 5 [pid 6156] close(5 [pid 6155] <... close resumed>) = 0 [pid 6158] <... prctl resumed>) = 0 [pid 6157] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6156] <... close resumed>) = 0 [pid 6155] close(5 [pid 6158] setpgid(0, 0 [pid 6156] close(6 [pid 6155] <... close resumed>) = 0 [pid 6154] <... writev resumed>) = 61440 [pid 6158] <... setpgid resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(6) = -1 EBADF (Bad file descriptor) [pid 6155] close(7) = -1 EBADF (Bad file descriptor) [pid 6158] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6155] close(8 [pid 6154] close(3 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] close(7 [pid 6155] close(9 [pid 6154] <... close resumed>) = 0 [pid 6158] <... symlink resumed>) = 0 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(10 [pid 6156] close(8 [pid 6154] close(4 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6156] close(9 [pid 6154] <... close resumed>) = 0 [pid 6158] <... symlink resumed>) = 0 [pid 6154] close(5 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] close(10 [pid 6155] close(11 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] close(11 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(12 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] close(12 [pid 6154] <... close resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(13 [pid 6156] close(13 [pid 6154] close(6 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(14 [pid 6154] close(7 [pid 6158] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6156] close(14 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... symlink resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(15 [pid 6154] close(8 [pid 6156] close(15 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(16 [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6156] close(16 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... openat resumed>) = 3 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(17 [pid 6154] close(9 [pid 6156] close(17 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] close(18 [pid 6155] close(18 [pid 6154] close(10 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] write(3, "1000", 4 [pid 6156] close(19 [pid 6155] close(19 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(11 [pid 6158] <... write resumed>) = 4 [pid 6156] close(20 [pid 6155] close(20 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] close(3 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(12 [pid 6158] <... close resumed>) = 0 [pid 6156] close(21 [pid 6155] close(21 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] symlink("/dev/binderfs", "./binderfs" [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(13 [pid 6158] <... symlink resumed>) = 0 [pid 6156] close(22 [pid 6155] close(22 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(14executing program [pid 6158] write(1, "executing program\n", 18 [pid 6156] close(23 [pid 6155] close(23 [pid 6158] <... write resumed>) = 18 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6156] close(24) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(15 [pid 6156] close(25 [pid 6155] close(24 [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... socket resumed>) = 3 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] close(26 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] close(25 [pid 6154] close(16 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] close(27 [pid 6155] close(26 [pid 6154] close(17 [pid 6158] <... sendto resumed>) = 32 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] recvfrom(3, [pid 6156] close(28 [pid 6155] close(27 [pid 6154] close(18 [pid 6158] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=57}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] recvfrom(3, [pid 6156] close(29 [pid 6155] close(28 [pid 6154] close(19 [pid 6158] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=57}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] close(3 [pid 6156] exit_group(0 [pid 6155] close(29 [pid 6154] close(20 [pid 6158] <... close resumed>) = 0 [pid 6155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6156] <... exit_group resumed>) = ? [pid 6155] exit_group(0 [pid 6154] close(21 [pid 6158] <... socket resumed>) = 3 [pid 6158] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6155] <... exit_group resumed>) = ? [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(22 [pid 6158] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6155] +++ exited with 0 +++ [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6154] close(23 [pid 6158] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... openat resumed>) = 4 [pid 6154] close(24 [pid 6158] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] close(25 [pid 6156] +++ exited with 0 +++ [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... openat resumed>) = 5 [pid 6154] close(26 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6154] close(27) = -1 EBADF (Bad file descriptor) [pid 6154] close(28) = -1 EBADF (Bad file descriptor) [pid 6154] close(29) = -1 EBADF (Bad file descriptor) [pid 6154] exit_group(0) = ? [pid 6154] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5838] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... restart_syscall resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", [pid 5842] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 5842] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] <... openat resumed>) = 3 [pid 5838] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(3, "", [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5842] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] unlink("./54/binderfs" [pid 5842] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5838] umount2("./54/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./54/binderfs" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./54/cgroup.net", [pid 5839] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./54/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(3, "", [pid 5838] unlink("./54/cgroup.net" [pid 5842] newfstatat(AT_FDCWD, "./54/cgroup.net", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 5838] umount2("./54/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./54/cgroup.net" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] <... unlink resumed>) = 0 [pid 5839] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./54/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./54/cgroup.cpu" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./51/binderfs", [pid 5838] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./54/cgroup.cpu", [pid 5839] unlink("./51/binderfs" [pid 5838] umount2("./54/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./54/cgroup.cpu" [pid 5839] umount2("./51/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./54/cgroup" [pid 5842] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5842] umount2("./54/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./51/cgroup.net", [pid 5842] newfstatat(AT_FDCWD, "./54/cgroup", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./51/cgroup.net" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] unlink("./54/cgroup" [pid 5839] <... unlink resumed>) = 0 [pid 5838] close(3 [pid 5842] <... unlink resumed>) = 0 [pid 5839] umount2("./51/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... close resumed>) = 0 [pid 5842] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] rmdir("./54" [pid 5842] close(3 [pid 5839] newfstatat(AT_FDCWD, "./51/cgroup.cpu", [pid 5838] <... rmdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./54" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5839] unlink("./51/cgroup.cpu" [pid 5838] mkdir("./55", 0777 [pid 5842] mkdir("./55", 0777 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5839] umount2("./51/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./51/cgroup") = 0 [pid 5839] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./51") = 0 [pid 5839] mkdir("./52", 0777./strace-static-x86_64: Process 6160 attached ) = 0 [pid 6160] set_robust_list(0x5555617a06a0, 24 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6159 attached [pid 6160] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 58 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 58 [pid 6160] chdir("./55" [pid 6159] set_robust_list(0x5555617a06a0, 24) = 0 [pid 6160] <... chdir resumed>) = 0 [pid 6159] chdir("./55" [pid 6160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6159] <... chdir resumed>) = 0 [pid 6160] <... prctl resumed>) = 0 [pid 6159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6160] setpgid(0, 0 [pid 6159] <... prctl resumed>) = 0 [pid 6160] <... setpgid resumed>) = 0 [pid 6159] setpgid(0, 0 [pid 6160] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6159] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6161 attached [pid 6159] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6161] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 55 [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] <... symlink resumed>) = 0 [pid 6159] <... symlink resumed>) = 0 [pid 6160] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6159] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6161] chdir("./52" [pid 6160] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6161] <... chdir resumed>) = 0 [pid 6160] <... symlink resumed>) = 0 [pid 6159] <... symlink resumed>) = 0 [pid 6161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6160] <... openat resumed>) = 3 [pid 6159] <... symlink resumed>) = 0 [pid 6161] <... prctl resumed>) = 0 [pid 6160] write(3, "1000", 4 [pid 6161] setpgid(0, 0 [pid 6159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6161] <... setpgid resumed>) = 0 [pid 6159] <... openat resumed>) = 3 [pid 6161] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6160] <... write resumed>) = 4 [pid 6161] <... symlink resumed>) = 0 [pid 6159] write(3, "1000", 4 [pid 6160] close(3 [pid 6159] <... write resumed>) = 4 [pid 6159] close(3 [pid 6161] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6160] <... close resumed>) = 0 [pid 6159] <... close resumed>) = 0 [pid 6161] <... symlink resumed>) = 0 [pid 6160] symlink("/dev/binderfs", "./binderfs" [pid 6159] symlink("/dev/binderfs", "./binderfs" [pid 6160] <... symlink resumed>) = 0 [pid 6159] <... symlink resumed>) = 0 executing program [pid 6161] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6159] write(1, "executing program\n", 18executing program [pid 6161] <... symlink resumed>) = 0 [pid 6160] write(1, "executing program\n", 18 [pid 6159] <... write resumed>) = 18 [pid 6161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6160] <... write resumed>) = 18 [pid 6160] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6159] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6160] <... socket resumed>) = 3 [pid 6159] <... socket resumed>) = 3 [pid 6161] <... openat resumed>) = 3 [pid 6160] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6159] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6161] write(3, "1000", 4 [pid 6160] <... sendto resumed>) = 32 [pid 6161] <... write resumed>) = 4 [pid 6160] recvfrom(3, [pid 6159] <... sendto resumed>) = 32 [pid 6161] close(3 [pid 6160] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=58}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6161] <... close resumed>) = 0 [pid 6160] recvfrom(3, [pid 6159] recvfrom(3, [pid 6157] <... writev resumed>) = 61440 [pid 6161] symlink("/dev/binderfs", "./binderfs" [pid 6160] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=58}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6157] close(3 [pid 6161] <... symlink resumed>) = 0 [pid 6160] close(3 [pid 6159] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=58}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6157] <... close resumed>) = 0 executing program [pid 6161] write(1, "executing program\n", 18 [pid 6160] <... close resumed>) = 0 [pid 6159] recvfrom(3, [pid 6157] close(4 [pid 6161] <... write resumed>) = 18 [pid 6160] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6159] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=58}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6157] <... close resumed>) = 0 [pid 6161] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6160] <... socket resumed>) = 3 [pid 6159] close(3 [pid 6157] close(5 [pid 6161] <... socket resumed>) = 3 [pid 6159] <... close resumed>) = 0 [pid 6157] <... close resumed>) = 0 [pid 6161] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6160] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6159] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6161] <... sendto resumed>) = 32 [pid 6160] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6159] <... socket resumed>) = 3 [pid 6157] close(6 [pid 6161] recvfrom(3, [pid 6160] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6159] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=55}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6160] <... sendmsg resumed>) = 44 [pid 6159] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6157] close(7 [pid 6161] recvfrom(3, [pid 6160] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6159] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=55}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6160] <... openat resumed>) = 4 [pid 6159] <... sendmsg resumed>) = 44 [pid 6157] close(8 [pid 6161] close(3 [pid 6160] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6159] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = 0 [pid 6160] <... openat resumed>) = 5 [pid 6159] <... openat resumed>) = 4 [pid 6157] close(9 [pid 6161] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6160] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6159] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... socket resumed>) = 3 [pid 6159] <... openat resumed>) = 5 [pid 6157] close(10 [pid 6161] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6159] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6157] close(11 [pid 6161] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... sendmsg resumed>) = 44 [pid 6157] close(12 [pid 6161] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... openat resumed>) = 4 [pid 6157] close(13) = -1 EBADF (Bad file descriptor) [pid 6157] close(14) = -1 EBADF (Bad file descriptor) [pid 6157] close(15) = -1 EBADF (Bad file descriptor) [pid 6161] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6157] close(16 [pid 6161] <... openat resumed>) = 5 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] close(17) = -1 EBADF (Bad file descriptor) [pid 6161] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6158] <... writev resumed>) = 61440 [pid 6157] close(18 [pid 6158] close(3 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] close(19 [pid 6158] <... close resumed>) = 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] close(4 [pid 6157] close(20 [pid 6158] <... close resumed>) = 0 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] close(21) = -1 EBADF (Bad file descriptor) [pid 6157] close(22 [pid 6160] <... writev resumed>) = 61440 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(3 [pid 6159] <... writev resumed>) = 61440 [pid 6157] close(23 [pid 6160] <... close resumed>) = 0 [pid 6159] close(3 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = 0 [pid 6160] close(4 [pid 6159] close(4 [pid 6160] <... close resumed>) = 0 [pid 6159] <... close resumed>) = 0 [pid 6160] close(5 [pid 6159] close(5 [pid 6160] <... close resumed>) = 0 [pid 6159] <... close resumed>) = 0 [pid 6159] close(6 [pid 6160] close(6 [pid 6158] close(5 [pid 6157] close(24 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(7 [pid 6159] close(7 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(8 [pid 6159] close(8 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(9 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(10 [pid 6159] close(9 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(11 [pid 6159] close(10 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(12 [pid 6159] close(11 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(13 [pid 6159] close(12 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(14 [pid 6159] close(13 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(14 [pid 6160] close(15 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(15) = -1 EBADF (Bad file descriptor) [pid 6160] close(16 [pid 6159] close(16 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(17 [pid 6159] close(17 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(18) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(19) = -1 EBADF (Bad file descriptor) [pid 6159] close(18 [pid 6160] close(20 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(19 [pid 6160] close(21 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(20 [pid 6160] close(22) = -1 EBADF (Bad file descriptor) [pid 6160] close(23 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(21 [pid 6160] close(24 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(22 [pid 6160] close(25 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(23 [pid 6160] close(26) = -1 EBADF (Bad file descriptor) [pid 6160] close(27 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(28 [pid 6159] close(24 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(29 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(25 [pid 6160] exit_group(0 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... exit_group resumed>) = ? [pid 6159] close(26) = -1 EBADF (Bad file descriptor) [pid 6161] <... writev resumed>) = 61440 [pid 6160] +++ exited with 0 +++ [pid 6158] <... close resumed>) = 0 [pid 6157] close(25 [pid 6161] close(3 [pid 6159] close(27 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6161] <... close resumed>) = 0 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] close(6 [pid 6157] close(26 [pid 6161] close(4 [pid 6159] close(28 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = 0 [pid 6158] close(7 [pid 6157] close(27 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(5 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] close(8 [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = 0 [pid 6159] close(29 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] close(28 [pid 6161] close(6 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] exit_group(0 [pid 6158] close(9 [pid 6157] close(29 [pid 6161] close(7 [pid 6159] <... exit_group resumed>) = ? [pid 6157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(8 [pid 6158] close(10 [pid 6157] exit_group(0 [pid 5838] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] +++ exited with 0 +++ [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6157] <... exit_group resumed>) = ? [pid 6161] close(9 [pid 6158] close(11 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... openat resumed>) = 3 [pid 6158] close(12) = -1 EBADF (Bad file descriptor) [pid 6158] close(13) = -1 EBADF (Bad file descriptor) [pid 6158] close(14) = -1 EBADF (Bad file descriptor) [pid 6158] close(15) = -1 EBADF (Bad file descriptor) [pid 6158] close(16) = -1 EBADF (Bad file descriptor) [pid 6158] close(17) = -1 EBADF (Bad file descriptor) [pid 6158] close(18) = -1 EBADF (Bad file descriptor) [pid 6158] close(19) = -1 EBADF (Bad file descriptor) [pid 6158] close(20) = -1 EBADF (Bad file descriptor) [pid 6158] close(21) = -1 EBADF (Bad file descriptor) [pid 6158] close(22) = -1 EBADF (Bad file descriptor) [pid 6157] +++ exited with 0 +++ [pid 6158] close(23) = -1 EBADF (Bad file descriptor) [pid 6158] close(24 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6161] close(10 [pid 6158] close(25 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] newfstatat(3, "", [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6161] close(11 [pid 6158] close(26 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... restart_syscall resumed>) = 0 [pid 6161] close(12 [pid 6158] close(27 [pid 5838] getdents64(3, [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(13 [pid 6158] close(28 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6161] close(14 [pid 6158] close(29 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6161] close(15 [pid 6158] exit_group(0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] close(16 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./55/binderfs", [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6161] close(17) = -1 EBADF (Bad file descriptor) [pid 6158] <... exit_group resumed>) = ? [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6161] close(18 [pid 5842] <... openat resumed>) = 3 [pid 5838] unlink("./55/binderfs" [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 5838] <... unlink resumed>) = 0 [pid 6161] close(19) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./55/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6161] close(20 [pid 5842] getdents64(3, [pid 5840] <... restart_syscall resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] close(21 [pid 6158] +++ exited with 0 +++ [pid 5842] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./55/cgroup.net", [pid 6161] close(22 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5838] unlink("./55/cgroup.net" [pid 6161] close(23 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./55/binderfs" [pid 5838] umount2("./55/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6161] close(24 [pid 5842] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(25 [pid 5842] umount2("./55/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5838] newfstatat(AT_FDCWD, "./55/cgroup.cpu", [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(3, "", [pid 5835] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6161] close(26 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./55/cgroup.net", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] unlink("./55/cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] close(27 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(3, [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6161] close(28 [pid 5842] unlink("./55/cgroup.net" [pid 5835] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5838] umount2("./55/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6161] close(29 [pid 5842] umount2("./55/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... openat resumed>) = 3 [pid 6161] exit_group(0 [pid 5838] newfstatat(AT_FDCWD, "./55/cgroup", [pid 6161] <... exit_group resumed>) = ? [pid 5842] newfstatat(AT_FDCWD, "./55/cgroup.cpu", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(3, "", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5838] unlink("./55/cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] unlink("./55/cgroup.cpu" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] getdents64(3, [pid 5842] <... unlink resumed>) = 0 [pid 5840] unlink("./52/binderfs" [pid 5838] getdents64(3, [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6161] +++ exited with 0 +++ [pid 5842] umount2("./55/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./52/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./55/cgroup", [pid 5838] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... close resumed>) = 0 [pid 5842] unlink("./55/cgroup" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5838] rmdir("./55" [pid 5835] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5842] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./52/cgroup.net", [pid 5839] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 5842] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] mkdir("./56", 0777 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] close(3 [pid 5840] unlink("./52/cgroup.net" [pid 5839] <... openat resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] unlink("./54/binderfs" [pid 5842] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 5842] rmdir("./55" [pid 5840] umount2("./52/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6162 attached [pid 5842] <... rmdir resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./54/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6162] set_robust_list(0x5555617a06a0, 24 [pid 5840] newfstatat(AT_FDCWD, "./52/cgroup.cpu", [pid 6162] <... set_robust_list resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] mkdir("./56", 0777 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6162] chdir("./56" [pid 5842] <... mkdir resumed>) = 0 [pid 5839] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./52/binderfs", [pid 6162] <... chdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./54/cgroup.net", ./strace-static-x86_64: Process 6163 attached [pid 5840] unlink("./52/cgroup.cpu" [pid 5839] unlink("./52/binderfs" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6163] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5835] unlink("./54/cgroup.net" [pid 6162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] umount2("./52/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6163] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 59 [pid 5839] umount2("./52/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 59 [pid 5835] <... unlink resumed>) = 0 [pid 6163] chdir("./56" [pid 6162] <... prctl resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./54/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6163] <... chdir resumed>) = 0 [pid 6162] setpgid(0, 0 [pid 5840] newfstatat(AT_FDCWD, "./52/cgroup", [pid 5839] newfstatat(AT_FDCWD, "./52/cgroup.net", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6162] <... setpgid resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./54/cgroup.cpu", [pid 6163] <... prctl resumed>) = 0 [pid 6162] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5840] unlink("./52/cgroup" [pid 5839] unlink("./52/cgroup.net") = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6163] setpgid(0, 0 [pid 5840] getdents64(3, [pid 5839] umount2("./52/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./54/cgroup.cpu" [pid 6163] <... setpgid resumed>) = 0 [pid 6162] <... symlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 6162] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(AT_FDCWD, "./52/cgroup.cpu", [pid 5835] umount2("./54/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6163] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6162] <... symlink resumed>) = 0 [pid 5840] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... close resumed>) = 0 [pid 5839] unlink("./52/cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6163] <... symlink resumed>) = 0 [pid 6162] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5840] rmdir("./52" [pid 5839] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./54/cgroup", [pid 6162] <... symlink resumed>) = 0 [pid 6163] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] umount2("./52/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6163] <... symlink resumed>) = 0 [pid 6162] <... openat resumed>) = 3 [pid 5840] <... rmdir resumed>) = 0 [pid 6163] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6162] write(3, "1000", 4 [pid 5840] mkdir("./53", 0777 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./54/cgroup" [pid 6163] <... symlink resumed>) = 0 [pid 6162] <... write resumed>) = 4 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./52/cgroup", executing program [pid 5835] <... unlink resumed>) = 0 [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6162] close(3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6162] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 6163] <... openat resumed>) = 3 [pid 6162] symlink("/dev/binderfs", "./binderfs" [pid 5839] unlink("./52/cgroup" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6163] write(3, "1000", 4 [pid 6162] <... symlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5835] close(3 [pid 6162] write(1, "executing program\n", 18) = 18 [pid 5839] getdents64(3, [pid 5835] <... close resumed>) = 0 [pid 6162] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC./strace-static-x86_64: Process 6164 attached [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] rmdir("./54" [pid 6162] <... socket resumed>) = 3 [pid 5839] close(3 [pid 5835] <... rmdir resumed>) = 0 [pid 6164] set_robust_list(0x5555617a06a0, 24 [pid 6162] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] <... close resumed>) = 0 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6163] <... write resumed>) = 4 [pid 6162] <... sendto resumed>) = 32 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 56 [pid 5835] mkdir("./55", 0777 [pid 6164] chdir("./53" [pid 6163] close(3 [pid 6162] recvfrom(3, [pid 5839] rmdir("./52" [pid 5835] <... mkdir resumed>) = 0 [pid 6164] <... chdir resumed>) = 0 [pid 6163] <... close resumed>) = 0 [pid 6162] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=59}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] <... rmdir resumed>) = 0 [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] symlink("/dev/binderfs", "./binderfs" [pid 6162] recvfrom(3, [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6164] <... prctl resumed>) = 0 [pid 6163] <... symlink resumed>) = 0 [pid 5839] mkdir("./53", 0777./strace-static-x86_64: Process 6165 attached [pid 6165] set_robust_list(0x5555617a06a0, 24 [pid 6163] write(1, "executing program\n", 18 executing program [pid 6162] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=59}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6164] setpgid(0, 0 [pid 6163] <... write resumed>) = 18 [pid 6162] close(3 [pid 5839] <... mkdir resumed>) = 0 [pid 6164] <... setpgid resumed>) = 0 [pid 6163] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6162] <... close resumed>) = 0 [pid 6165] chdir("./55" [pid 6164] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6163] <... socket resumed>) = 3 [pid 6162] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6166 attached [pid 6165] <... chdir resumed>) = 0 [pid 6164] <... symlink resumed>) = 0 [pid 6163] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6162] <... socket resumed>) = 3 [pid 6165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6164] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6163] <... sendto resumed>) = 32 [pid 6162] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 58 [pid 6166] set_robust_list(0x5555617a06a0, 24 [pid 6165] <... prctl resumed>) = 0 [pid 6164] <... symlink resumed>) = 0 [pid 6163] recvfrom(3, [pid 6162] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 56 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6165] setpgid(0, 0 [pid 6164] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6163] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=59}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6162] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6166] chdir("./53" [pid 6165] <... setpgid resumed>) = 0 [pid 6164] <... symlink resumed>) = 0 [pid 6163] recvfrom(3, [pid 6162] <... sendmsg resumed>) = 44 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=59}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6166] <... chdir resumed>) = 0 [pid 6165] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6164] <... openat resumed>) = 3 [pid 6163] close(3 [pid 6162] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6165] <... symlink resumed>) = 0 [pid 6164] write(3, "1000", 4 [pid 6163] <... close resumed>) = 0 [pid 6162] <... openat resumed>) = 4 [pid 6166] <... prctl resumed>) = 0 [pid 6165] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6164] <... write resumed>) = 4 [pid 6163] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6166] setpgid(0, 0 [pid 6165] <... symlink resumed>) = 0 [pid 6164] close(3 [pid 6163] <... socket resumed>) = 3 [pid 6162] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6166] <... setpgid resumed>) = 0 [pid 6165] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6164] <... close resumed>) = 0 [pid 6163] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6162] <... openat resumed>) = 5 [pid 6166] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6165] <... symlink resumed>) = 0 [pid 6164] symlink("/dev/binderfs", "./binderfs" [pid 6166] <... symlink resumed>) = 0 [pid 6163] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6162] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6164] <... symlink resumed>) = 0 executing program [pid 6165] <... openat resumed>) = 3 [pid 6164] write(1, "executing program\n", 18 [pid 6165] write(3, "1000", 4 [pid 6164] <... write resumed>) = 18 [pid 6165] <... write resumed>) = 4 [pid 6165] close(3 [pid 6164] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6165] <... close resumed>) = 0 [pid 6165] symlink("/dev/binderfs", "./binderfs" [pid 6164] <... socket resumed>) = 3 [pid 6166] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6165] <... symlink resumed>) = 0 [pid 6163] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6166] <... symlink resumed>) = 0 [pid 6165] write(1, "executing program\n", 18 [pid 6164] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12executing program [pid 6166] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6165] <... write resumed>) = 18 [pid 6164] <... sendto resumed>) = 32 [pid 6163] <... sendmsg resumed>) = 44 [pid 6166] <... symlink resumed>) = 0 [pid 6165] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6164] recvfrom(3, [pid 6163] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6165] <... socket resumed>) = 3 [pid 6164] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=56}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6163] <... openat resumed>) = 4 [pid 6166] <... openat resumed>) = 3 [pid 6165] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6164] recvfrom(3, [pid 6163] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6166] write(3, "1000", 4 [pid 6165] <... sendto resumed>) = 32 [pid 6164] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=56}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6163] <... openat resumed>) = 5 [pid 6166] <... write resumed>) = 4 [pid 6165] recvfrom(3, [pid 6164] close(3 [pid 6166] close(3 [pid 6163] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6166] <... close resumed>) = 0 [pid 6165] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=58}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6166] symlink("/dev/binderfs", "./binderfs" [pid 6164] <... close resumed>) = 0 [pid 6166] <... symlink resumed>) = 0 [pid 6165] recvfrom(3, [pid 6164] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6166] write(1, "executing program\n", 18 [pid 6165] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=58}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6164] <... socket resumed>) = 3 executing program [pid 6166] <... write resumed>) = 18 [pid 6165] close(3 [pid 6164] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6162] <... writev resumed>) = 61440 [pid 6166] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6165] <... close resumed>) = 0 [pid 6164] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6164] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6165] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6162] close(3) = 0 [pid 6165] <... socket resumed>) = 3 [pid 6166] <... socket resumed>) = 3 [pid 6164] <... sendmsg resumed>) = 44 [pid 6162] close(4 [pid 6164] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6166] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6165] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6164] <... openat resumed>) = 4 [pid 6166] <... sendto resumed>) = 32 [pid 6165] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6162] <... close resumed>) = 0 [pid 6166] recvfrom(3, [pid 6165] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6164] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6162] close(5 [pid 6166] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=56}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6165] <... sendmsg resumed>) = 44 [pid 6162] <... close resumed>) = 0 [pid 6166] recvfrom(3, [pid 6164] <... openat resumed>) = 5 [pid 6162] close(6 [pid 6166] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=56}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6165] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6166] close(3) = 0 [pid 6165] <... openat resumed>) = 4 [pid 6166] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... socket resumed>) = 3 [pid 6164] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6162] close(7 [pid 6166] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6165] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6165] <... openat resumed>) = 5 [pid 6162] close(8 [pid 6166] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6165] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... sendmsg resumed>) = 44 [pid 6163] <... writev resumed>) = 61440 [pid 6162] close(9 [pid 6166] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6163] close(3 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... openat resumed>) = 4 [pid 6163] <... close resumed>) = 0 [pid 6162] close(10 [pid 6166] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6163] close(4 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... openat resumed>) = 5 [pid 6163] <... close resumed>) = 0 [pid 6162] close(11 [pid 6166] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6163] close(5 [pid 6165] <... writev resumed>) = 61440 [pid 6163] <... close resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(3 [pid 6164] <... writev resumed>) = 61440 [pid 6163] close(6 [pid 6162] close(12 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(7 [pid 6162] close(13 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(8 [pid 6162] close(14 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(9 [pid 6162] close(15 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(10 [pid 6162] close(16 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(11 [pid 6162] close(17 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(12 [pid 6162] close(18 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(13 [pid 6162] close(19 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(14 [pid 6162] close(20 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(15 [pid 6162] close(21 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(16 [pid 6162] close(22 [pid 6165] <... close resumed>) = 0 [pid 6164] close(3 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(4 [pid 6164] <... close resumed>) = 0 [pid 6162] close(23 [pid 6165] <... close resumed>) = 0 [pid 6164] close(4 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(5 [pid 6164] <... close resumed>) = 0 [pid 6164] close(5 [pid 6165] <... close resumed>) = 0 [pid 6164] <... close resumed>) = 0 [pid 6163] close(17 [pid 6162] close(24 [pid 6164] close(6 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(6 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(25 [pid 6164] close(7 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(26 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(8) = -1 EBADF (Bad file descriptor) [pid 6164] close(9) = -1 EBADF (Bad file descriptor) [pid 6164] close(10) = -1 EBADF (Bad file descriptor) [pid 6164] close(11) = -1 EBADF (Bad file descriptor) [pid 6164] close(12 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(7 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(18 [pid 6162] close(27 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(13 [pid 6165] close(8 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(9 [pid 6164] close(14 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(10 [pid 6164] close(15 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(11 [pid 6164] close(16 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(12 [pid 6164] close(17 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(13 [pid 6164] close(18 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(14 [pid 6164] close(19) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(19 [pid 6162] close(28 [pid 6165] close(15 [pid 6164] close(20 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(16 [pid 6164] close(21 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(17 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(22 [pid 6165] close(18 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(23 [pid 6165] close(19 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(24 [pid 6165] close(20 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(20 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(25 [pid 6162] close(29 [pid 6165] close(21 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(26 [pid 6165] close(22 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(27 [pid 6165] close(23 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] close(28 [pid 6163] close(21 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] close(24 [pid 6164] close(29 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] exit_group(0 [pid 6165] close(25 [pid 6164] exit_group(0 [pid 6165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] <... exit_group resumed>) = ? [pid 6165] close(26) = -1 EBADF (Bad file descriptor) [pid 6164] +++ exited with 0 +++ [pid 6165] close(27) = -1 EBADF (Bad file descriptor) [pid 6165] close(28) = -1 EBADF (Bad file descriptor) [pid 6165] close(29) = -1 EBADF (Bad file descriptor) [pid 6165] exit_group(0) = ? [pid 6165] +++ exited with 0 +++ [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(22) = -1 EBADF (Bad file descriptor) [pid 6163] close(23) = -1 EBADF (Bad file descriptor) [pid 6162] <... exit_group resumed>) = ? [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6163] close(24 [pid 6162] +++ exited with 0 +++ [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... restart_syscall resumed>) = 0 [pid 6163] close(25 [pid 5840] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./53/binderfs", [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./53/binderfs" [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6163] close(26) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./53/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./53/cgroup.net", [pid 5835] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5840] unlink("./53/cgroup.net" [pid 6163] close(27 [pid 5840] <... unlink resumed>) = 0 [pid 5838] newfstatat(3, "", [pid 5835] newfstatat(3, "", [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] close(28 [pid 5840] umount2("./53/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 5835] getdents64(3, [pid 6163] close(29 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6163] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6163] exit_group(0 [pid 5840] newfstatat(AT_FDCWD, "./53/cgroup.cpu", [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6163] <... exit_group resumed>) = ? [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6163] +++ exited with 0 +++ [pid 5840] unlink("./53/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./53/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./53/cgroup", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./55/binderfs" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./56/binderfs" [pid 5835] <... unlink resumed>) = 0 [pid 5840] unlink("./53/cgroup" [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5835] umount2("./55/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./56/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5840] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./55/cgroup.net", [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(AT_FDCWD, "./56/cgroup.net", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./55/cgroup.net" [pid 5840] <... close resumed>) = 0 [pid 5838] unlink("./56/cgroup.net" [pid 5835] <... unlink resumed>) = 0 [pid 5842] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] rmdir("./53" [pid 5838] <... unlink resumed>) = 0 [pid 5835] umount2("./55/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... rmdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] mkdir("./54", 0777 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] umount2("./56/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(3, "", [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./55/cgroup.cpu", [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./56/cgroup.cpu", ./strace-static-x86_64: Process 6167 attached [pid 5842] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./56/cgroup.cpu" [pid 5842] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5838] <... unlink resumed>) = 0 [pid 5835] unlink("./55/cgroup.cpu" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5842] unlink("./56/binderfs" [pid 5838] umount2("./56/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./55/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6167] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./56/cgroup", [pid 5835] newfstatat(AT_FDCWD, "./55/cgroup", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./56/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./56/cgroup" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5835] unlink("./55/cgroup" [pid 5842] newfstatat(AT_FDCWD, "./56/cgroup.net", [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(3, [pid 5842] unlink("./56/cgroup.net" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5838] close(3 [pid 5835] getdents64(3, [pid 5838] <... close resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] umount2("./56/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] rmdir("./56" [pid 5835] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 57 [pid 5838] <... rmdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./56/cgroup.cpu", [pid 5838] mkdir("./57", 0777 [pid 5835] rmdir("./55" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6167] <... set_robust_list resumed>) = 0 [pid 6166] <... writev resumed>) = 61440 [pid 5842] unlink("./56/cgroup.cpu" [pid 5838] <... mkdir resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6167] chdir("./54" [pid 6166] close(3 [pid 6167] <... chdir resumed>) = 0 [pid 6166] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] mkdir("./56", 0777 [pid 6167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6166] close(4 [pid 5842] umount2("./56/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... mkdir resumed>) = 0 [pid 6167] setpgid(0, 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6167] <... setpgid resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./56/cgroup", [pid 6167] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./56/cgroup") = 0 ./strace-static-x86_64: Process 6168 attached [pid 6167] <... symlink resumed>) = 0 [pid 6166] <... close resumed>) = 0 [pid 5842] getdents64(3, [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 60 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6168] set_robust_list(0x5555617a06a0, 24 [pid 6167] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6166] close(5 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6167] <... symlink resumed>) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./56") = 0 [pid 5842] mkdir("./57", 0777) = 0 [pid 6167] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6168] <... set_robust_list resumed>) = 0 [pid 6166] <... close resumed>) = 0 [pid 6166] close(6) = -1 EBADF (Bad file descriptor) [pid 6166] close(7 [pid 6167] <... symlink resumed>) = 0 [pid 6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6167] write(3, "1000", 4) = 4 [pid 6167] close(3) = 0 [pid 6167] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6167] write(1, "executing program\n", 18) = 18 [pid 6167] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... socket resumed>) = 3 ./strace-static-x86_64: Process 6170 attached ./strace-static-x86_64: Process 6169 attached [pid 6168] chdir("./57" [pid 6167] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6166] close(8 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 60 [pid 6170] set_robust_list(0x5555617a06a0, 24 [pid 6169] set_robust_list(0x5555617a06a0, 24 [pid 6168] <... chdir resumed>) = 0 [pid 6167] <... sendto resumed>) = 32 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 59 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6167] recvfrom(3, [pid 6166] close(9 [pid 6169] chdir("./56" [pid 6168] <... prctl resumed>) = 0 [pid 6167] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=57}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] chdir("./57" [pid 6169] <... chdir resumed>) = 0 [pid 6168] setpgid(0, 0 [pid 6167] recvfrom(3, [pid 6166] close(10 [pid 6170] <... chdir resumed>) = 0 [pid 6169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6168] <... setpgid resumed>) = 0 [pid 6167] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=57}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6169] <... prctl resumed>) = 0 [pid 6167] close(3 [pid 6170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6169] setpgid(0, 0 [pid 6168] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6167] <... close resumed>) = 0 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... prctl resumed>) = 0 [pid 6169] <... setpgid resumed>) = 0 [pid 6167] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6169] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6168] <... symlink resumed>) = 0 [pid 6167] <... socket resumed>) = 3 [pid 6166] close(11 [pid 6170] setpgid(0, 0 [pid 6169] <... symlink resumed>) = 0 [pid 6168] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6167] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... setpgid resumed>) = 0 [pid 6166] close(12 [pid 6167] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6170] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6169] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6168] <... symlink resumed>) = 0 [pid 6167] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(13) = -1 EBADF (Bad file descriptor) [pid 6170] <... symlink resumed>) = 0 [pid 6169] <... symlink resumed>) = 0 [pid 6168] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6167] <... sendmsg resumed>) = 44 [pid 6166] close(14 [pid 6170] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6169] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6167] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6170] <... symlink resumed>) = 0 [pid 6169] <... symlink resumed>) = 0 [pid 6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6167] <... openat resumed>) = 4 [pid 6167] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6170] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6169] write(3, "1000", 4 [pid 6168] <... symlink resumed>) = 0 [pid 6167] <... openat resumed>) = 5 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... write resumed>) = 4 [pid 6168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] close(15 [pid 6168] <... openat resumed>) = 3 [pid 6167] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... symlink resumed>) = 0 [pid 6166] close(16) = -1 EBADF (Bad file descriptor) [pid 6170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] close(17) = -1 EBADF (Bad file descriptor) [pid 6170] <... openat resumed>) = 3 [pid 6169] close(3 [pid 6166] close(18) = -1 EBADF (Bad file descriptor) [pid 6170] write(3, "1000", 4 [pid 6166] close(19 [pid 6170] <... write resumed>) = 4 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(3 [pid 6166] close(20 [pid 6170] <... close resumed>) = 0 [pid 6169] <... close resumed>) = 0 [pid 6168] write(3, "1000", 4 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] symlink("/dev/binderfs", "./binderfs" [pid 6170] symlink("/dev/binderfs", "./binderfs" [pid 6169] <... symlink resumed>) = 0 [pid 6168] <... write resumed>) = 4 [pid 6166] close(21 [pid 6170] <... symlink resumed>) = 0 [pid 6168] close(3 executing program executing program [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] write(1, "executing program\n", 18 [pid 6169] write(1, "executing program\n", 18 [pid 6168] <... close resumed>) = 0 [pid 6170] <... write resumed>) = 18 [pid 6169] <... write resumed>) = 18 [pid 6168] symlink("/dev/binderfs", "./binderfs" [pid 6166] close(22 [pid 6170] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6169] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6168] <... symlink resumed>) = 0 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... socket resumed>) = 3 [pid 6169] <... socket resumed>) = 3 [pid 6168] write(1, "executing program\n", 18 [pid 6166] close(23 [pid 6170] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12executing program [pid 6169] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... sendto resumed>) = 32 [pid 6169] <... sendto resumed>) = 32 [pid 6168] <... write resumed>) = 18 [pid 6170] recvfrom(3, [pid 6169] recvfrom(3, [pid 6168] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6166] close(24 [pid 6170] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=60}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6169] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=59}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6168] <... socket resumed>) = 3 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] recvfrom(3, [pid 6169] recvfrom(3, [pid 6168] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6166] close(25 [pid 6170] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=60}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6169] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=59}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6168] <... sendto resumed>) = 32 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(3 [pid 6169] close(3 [pid 6168] recvfrom(3, [pid 6166] close(26 [pid 6170] <... close resumed>) = 0 [pid 6169] <... close resumed>) = 0 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6169] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6168] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=60}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6166] close(27 [pid 6170] <... socket resumed>) = 3 [pid 6169] <... socket resumed>) = 3 [pid 6168] recvfrom(3, [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6169] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6168] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=60}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6166] close(28 [pid 6170] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6169] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6168] close(3 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6169] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6168] <... close resumed>) = 0 [pid 6166] close(29 [pid 6170] <... sendmsg resumed>) = 44 [pid 6169] <... sendmsg resumed>) = 44 [pid 6168] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6169] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6168] <... socket resumed>) = 3 [pid 6166] exit_group(0 [pid 6170] <... openat resumed>) = 4 [pid 6169] <... openat resumed>) = 4 [pid 6169] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6166] <... exit_group resumed>) = ? [pid 6170] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6168] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6166] +++ exited with 0 +++ [pid 6169] <... openat resumed>) = 5 [pid 6168] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6170] <... openat resumed>) = 5 [pid 6168] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6169] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6168] <... sendmsg resumed>) = 44 [pid 6170] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6168] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6168] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5839] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6168] <... openat resumed>) = 5 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6167] <... writev resumed>) = 61440 [pid 5839] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6168] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6167] close(3 [pid 5839] <... openat resumed>) = 3 [pid 6167] <... close resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 6167] close(4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 6169] <... writev resumed>) = 61440 [pid 6167] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6169] close(3 [pid 6167] close(5 [pid 5839] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6167] <... close resumed>) = 0 [pid 6169] <... close resumed>) = 0 [pid 6167] close(6 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] close(4 [pid 5839] newfstatat(AT_FDCWD, "./53/binderfs", [pid 6170] <... writev resumed>) = 61440 [pid 6169] <... close resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(3 [pid 6169] close(5 [pid 6167] close(7 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6170] <... close resumed>) = 0 [pid 6170] close(4 [pid 6169] <... close resumed>) = 0 [pid 6170] <... close resumed>) = 0 [pid 6169] close(6 [pid 5839] unlink("./53/binderfs" [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(7 [pid 6167] close(8 [pid 5839] <... unlink resumed>) = 0 [pid 6170] close(5 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(9 [pid 6169] close(8 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./53/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(10 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6170] <... close resumed>) = 0 [pid 6169] close(9 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./53/cgroup.net", [pid 6170] close(6 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(11 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(10 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./53/cgroup.net" [pid 6170] close(7 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(12 [pid 5839] <... unlink resumed>) = 0 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(11 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(8 [pid 5839] umount2("./53/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(13 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6170] close(9 [pid 6169] close(12 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./53/cgroup.cpu", [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(14 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6170] close(10 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(13 [pid 6167] close(15 [pid 6170] close(11 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./53/cgroup.cpu" [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(14 [pid 6170] close(12 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(16 [pid 5839] <... unlink resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(17 [pid 6170] close(13 [pid 6169] close(15 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./53/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(18 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6170] close(14 [pid 6169] close(16 [pid 5839] newfstatat(AT_FDCWD, "./53/cgroup", [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(15 [pid 6169] close(17 [pid 6167] close(19 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./53/cgroup" [pid 6170] close(16 [pid 6169] close(18 [pid 6167] close(20 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6170] close(17 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(21 [pid 5839] getdents64(3, [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(19 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(18 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(22 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] close(3 [pid 6170] close(19 [pid 6169] close(20 [pid 6167] close(23 [pid 5839] <... close resumed>) = 0 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./53" [pid 6170] close(20 [pid 6169] close(21 [pid 6167] close(24 [pid 5839] <... rmdir resumed>) = 0 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(21 [pid 6169] close(22 [pid 6167] close(25 [pid 5839] mkdir("./54", 0777 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 6170] close(22 [pid 6169] close(23 [pid 6167] close(26 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(23 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(27) = -1 EBADF (Bad file descriptor) [pid 6169] close(24 [pid 6167] close(28 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(24 [pid 6169] close(25 [pid 6167] close(29 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(25) = -1 EBADF (Bad file descriptor) [pid 6167] exit_group(0 [pid 6170] close(26 [pid 6169] close(26 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6171 attached [pid 6170] close(27 [pid 6169] close(27 [pid 6167] +++ exited with 0 +++ [pid 6171] set_robust_list(0x5555617a06a0, 24 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 57 [pid 6170] close(28 [pid 6169] close(28 [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] close(29 [pid 6169] close(29 [pid 6171] <... set_robust_list resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] exit_group(0 [pid 6171] chdir("./54" [pid 6170] exit_group(0 [pid 6171] <... chdir resumed>) = 0 [pid 6170] <... exit_group resumed>) = ? [pid 6169] <... exit_group resumed>) = ? [pid 6171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6170] +++ exited with 0 +++ [pid 6171] <... prctl resumed>) = 0 [pid 6169] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6171] setpgid(0, 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6171] <... setpgid resumed>) = 0 [pid 6171] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6171] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5840] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6171] <... symlink resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5842] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] <... symlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(3, "", [pid 5835] <... openat resumed>) = 3 [pid 6171] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(3, "", [pid 6171] write(3, "1000", 4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6171] <... write resumed>) = 4 [pid 5842] newfstatat(3, "", [pid 5840] getdents64(3, [pid 5835] getdents64(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6171] close(3 [pid 5840] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] <... close resumed>) = 0 [pid 5842] getdents64(3, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5835] newfstatat(AT_FDCWD, "./56/binderfs", [pid 6171] <... symlink resumed>) = 0 [pid 5842] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6171] write(1, "executing program\n", 18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./54/binderfs" [pid 5835] unlink("./56/binderfs" [pid 6171] <... write resumed>) = 18 [pid 5842] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6171] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6171] <... socket resumed>) = 3 [pid 5842] unlink("./57/binderfs" [pid 5840] umount2("./54/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./56/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] <... sendto resumed>) = 32 [pid 5842] umount2("./57/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./54/cgroup.net", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] recvfrom(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./56/cgroup.net", [pid 6171] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=57}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] newfstatat(AT_FDCWD, "./57/cgroup.net", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6171] recvfrom(3, [pid 6168] <... writev resumed>) = 61440 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./54/cgroup.net" [pid 5835] unlink("./56/cgroup.net" [pid 6171] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=57}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6168] close(3 [pid 5842] unlink("./57/cgroup.net" [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6171] close(3 [pid 6168] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./54/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./56/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] <... close resumed>) = 0 [pid 6168] close(4 [pid 5842] umount2("./57/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6168] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./54/cgroup.cpu", [pid 5835] newfstatat(AT_FDCWD, "./56/cgroup.cpu", [pid 6171] <... socket resumed>) = 3 [pid 6168] close(5 [pid 5842] newfstatat(AT_FDCWD, "./57/cgroup.cpu", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6171] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6168] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./54/cgroup.cpu" [pid 5835] unlink("./56/cgroup.cpu" [pid 6171] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6168] close(6 [pid 5842] unlink("./57/cgroup.cpu" [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6171] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./54/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./56/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6171] <... sendmsg resumed>) = 44 [pid 6168] close(7 [pid 5842] umount2("./57/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./54/cgroup", [pid 6168] close(8) = -1 EBADF (Bad file descriptor) [pid 6171] <... openat resumed>) = 4 [pid 6168] close(9 [pid 5842] newfstatat(AT_FDCWD, "./57/cgroup", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./56/cgroup", [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] close(10 [pid 5840] unlink("./54/cgroup" [pid 6171] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6168] close(11 [pid 5840] <... unlink resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] close(12) = -1 EBADF (Bad file descriptor) [pid 6171] <... openat resumed>) = 5 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(3, [pid 5835] unlink("./56/cgroup" [pid 6171] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6168] close(13 [pid 5842] unlink("./57/cgroup" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5835] <... unlink resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5840] rmdir("./54") = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] mkdir("./55", 0777 [pid 5835] close(3) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5835] rmdir("./56" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... rmdir resumed>) = 0 [pid 5835] mkdir("./57", 0777) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6172 attached [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] set_robust_list(0x5555617a06a0, 24 [pid 6168] close(14 [pid 5842] getdents64(3, [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 58 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 60 [pid 6172] chdir("./55" [pid 6168] close(15 [pid 6172] <... chdir resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 6172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6168] close(16 [pid 6172] <... prctl resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] setpgid(0, 0 [pid 6168] close(17 [pid 6172] <... setpgid resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./57" [pid 6172] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6168] close(18 [pid 5842] <... rmdir resumed>) = 0 [pid 6172] <... symlink resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] close(19 [pid 5842] mkdir("./58", 0777./strace-static-x86_64: Process 6173 attached [pid 6172] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] set_robust_list(0x5555617a06a0, 24 [pid 6172] <... symlink resumed>) = 0 [pid 6168] close(20 [pid 5842] <... mkdir resumed>) = 0 [pid 6173] <... set_robust_list resumed>) = 0 [pid 6172] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] chdir("./57" [pid 6172] <... symlink resumed>) = 0 [pid 6168] close(21 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6173] <... chdir resumed>) = 0 [pid 6172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] close(22) = -1 EBADF (Bad file descriptor) [pid 6173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6172] <... openat resumed>) = 3 [pid 6168] close(23 [pid 6173] <... prctl resumed>) = 0 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] setpgid(0, 0 [pid 6168] close(24 [pid 6173] <... setpgid resumed>) = 0 [pid 6172] write(3, "1000", 4 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] close(25 [pid 6172] <... write resumed>) = 4 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6168] close(26 [pid 6173] <... symlink resumed>) = 0 [pid 6172] close(3 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = 0 [pid 6168] close(27 [pid 6173] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6172] symlink("/dev/binderfs", "./binderfs" [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6174 attached executing program [pid 6173] <... symlink resumed>) = 0 [pid 6172] write(1, "executing program\n", 18 [pid 6168] close(28 [pid 6174] set_robust_list(0x5555617a06a0, 24 [pid 6173] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6172] <... write resumed>) = 18 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 61 [pid 6174] <... set_robust_list resumed>) = 0 [pid 6173] <... symlink resumed>) = 0 [pid 6172] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6168] close(29 [pid 6174] chdir("./58" [pid 6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6172] <... socket resumed>) = 3 [pid 6168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... chdir resumed>) = 0 [pid 6168] exit_group(0 [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6173] write(3, "1000", 4 [pid 6172] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6174] <... prctl resumed>) = 0 [pid 6173] <... write resumed>) = 4 [pid 6172] <... sendto resumed>) = 32 [pid 6168] <... exit_group resumed>) = ? [pid 6174] setpgid(0, 0 [pid 6173] close(3 [pid 6172] recvfrom(3, [pid 6168] +++ exited with 0 +++ [pid 6174] <... setpgid resumed>) = 0 [pid 6174] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6173] <... close resumed>) = 0 [pid 6173] symlink("/dev/binderfs", "./binderfs" [pid 6172] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=58}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6174] <... symlink resumed>) = 0 [pid 6173] <... symlink resumed>) = 0 [pid 6172] recvfrom(3, [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- executing program [pid 6174] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6173] write(1, "executing program\n", 18 [pid 6172] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=58}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6174] <... symlink resumed>) = 0 [pid 6173] <... write resumed>) = 18 [pid 6172] close(3 [pid 6174] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6173] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6172] <... close resumed>) = 0 [pid 6174] <... symlink resumed>) = 0 [pid 6173] <... socket resumed>) = 3 [pid 6172] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5838] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6173] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6172] <... socket resumed>) = 3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... openat resumed>) = 3 [pid 6173] <... sendto resumed>) = 32 [pid 6172] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6174] write(3, "1000", 4 [pid 6173] recvfrom(3, [pid 5838] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6174] <... write resumed>) = 4 [pid 6173] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=60}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6172] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6174] close(3 [pid 6173] recvfrom(3, [pid 6172] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5838] <... openat resumed>) = 3 [pid 6174] <... close resumed>) = 0 [pid 6173] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=60}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6172] <... sendmsg resumed>) = 44 [pid 5838] newfstatat(3, "", executing program [pid 6174] symlink("/dev/binderfs", "./binderfs" [pid 6173] close(3 [pid 6172] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6174] <... symlink resumed>) = 0 [pid 6174] write(1, "executing program\n", 18 [pid 6173] <... close resumed>) = 0 [pid 5838] getdents64(3, [pid 6174] <... write resumed>) = 18 [pid 6174] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6173] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6174] <... socket resumed>) = 3 [pid 6173] <... socket resumed>) = 3 [pid 6172] <... openat resumed>) = 4 [pid 6174] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6173] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5838] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] <... sendto resumed>) = 32 [pid 6173] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6172] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6172] <... openat resumed>) = 5 [pid 6174] recvfrom(3, [pid 6173] <... sendmsg resumed>) = 44 [pid 6172] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5838] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6174] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=61}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6174] recvfrom(3, [pid 6173] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6171] <... writev resumed>) = 61440 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=61}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5838] unlink("./57/binderfs" [pid 6174] close(3) = 0 [pid 6173] <... openat resumed>) = 4 [pid 6171] close(3 [pid 5838] <... unlink resumed>) = 0 [pid 6173] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6171] <... close resumed>) = 0 [pid 6173] <... openat resumed>) = 5 [pid 6171] close(4) = 0 [pid 6171] close(5 [pid 6174] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6173] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5838] umount2("./57/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6174] <... socket resumed>) = 3 [pid 6171] <... close resumed>) = 0 [pid 6174] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6171] close(6 [pid 6174] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6171] close(7 [pid 6174] <... sendmsg resumed>) = 44 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6171] close(8) = -1 EBADF (Bad file descriptor) [pid 6174] <... openat resumed>) = 4 [pid 6171] close(9) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6173] <... writev resumed>) = 61440 [pid 6171] close(10 [pid 5838] unlink("./57/cgroup.net" [pid 6173] close(3 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... openat resumed>) = 5 [pid 6173] <... close resumed>) = 0 [pid 6171] close(11 [pid 6174] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6173] close(4 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = 0 [pid 6171] close(12 [pid 5838] <... unlink resumed>) = 0 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./57/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] close(5 [pid 6171] close(13 [pid 6173] <... close resumed>) = 0 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] close(6 [pid 6172] <... writev resumed>) = 61440 [pid 6172] close(3 [pid 5838] newfstatat(AT_FDCWD, "./57/cgroup.cpu", [pid 6172] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./57/cgroup.cpu" [pid 6172] close(4 [pid 5838] <... unlink resumed>) = 0 [pid 6172] <... close resumed>) = 0 [pid 5838] umount2("./57/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6172] close(5 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./57/cgroup", [pid 6172] close(6 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./57/cgroup" [pid 6172] close(7 [pid 5838] <... unlink resumed>) = 0 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(14 [pid 6172] close(8 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(15 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6172] close(9 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] close(3) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(16 [pid 5838] rmdir("./57" [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(10 [pid 6171] close(17 [pid 5838] <... rmdir resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] mkdir("./58", 0777 [pid 6172] close(11 [pid 6171] close(18 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mkdir resumed>) = 0 [pid 6172] close(12 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(19 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6172] close(13 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(7 [pid 6171] close(20) = -1 EBADF (Bad file descriptor) [pid 6171] close(21) = -1 EBADF (Bad file descriptor) [pid 6171] close(22) = -1 EBADF (Bad file descriptor) [pid 6171] close(23) = -1 EBADF (Bad file descriptor) [pid 6171] close(24) = -1 EBADF (Bad file descriptor) [pid 6171] close(25) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(26 [pid 6172] close(14 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(27 [pid 6172] close(15 [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] close(28 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6175 attached [pid 6172] close(16 [pid 6171] close(29 [pid 6175] set_robust_list(0x5555617a06a0, 24 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 61 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(17 [pid 6171] exit_group(0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] <... exit_group resumed>) = ? [pid 6171] +++ exited with 0 +++ [pid 6175] chdir("./58" [pid 6172] close(18) = -1 EBADF (Bad file descriptor) [pid 6172] close(19) = -1 EBADF (Bad file descriptor) [pid 6172] close(20) = -1 EBADF (Bad file descriptor) [pid 6172] close(21) = -1 EBADF (Bad file descriptor) [pid 6175] <... chdir resumed>) = 0 [pid 6172] close(22) = -1 EBADF (Bad file descriptor) [pid 6172] close(23 [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... prctl resumed>) = 0 [pid 6172] close(24 [pid 6175] setpgid(0, 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... setpgid resumed>) = 0 [pid 6175] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6172] close(25 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6175] <... symlink resumed>) = 0 [pid 6173] close(8 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(26 [pid 6175] <... symlink resumed>) = 0 [pid 6173] close(9 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6175] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(27 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6175] <... symlink resumed>) = 0 [pid 6173] close(10 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(28 [pid 5839] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6173] close(11 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... openat resumed>) = 3 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] close(29 [pid 5839] <... openat resumed>) = 3 [pid 6175] write(3, "1000", 4 [pid 6173] close(12 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... write resumed>) = 4 [pid 6172] exit_group(0 [pid 5839] newfstatat(3, "", [pid 6175] close(3 [pid 6172] <... exit_group resumed>) = ? [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6175] <... close resumed>) = 0 [pid 6172] +++ exited with 0 +++ [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(13) = -1 EBADF (Bad file descriptor) [pid 6173] close(14 [pid 6175] symlink("/dev/binderfs", "./binderfs" [pid 5839] getdents64(3, [pid 6175] <... symlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(15 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./54/binderfs", [pid 6174] <... writev resumed>) = 61440 [pid 6173] close(16 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] write(1, "executing program\n", 18 [pid 6173] close(17executing program ) = -1 EBADF (Bad file descriptor) [pid 6175] <... write resumed>) = 18 [pid 6173] close(18 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(19 [pid 6175] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6174] close(3 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./54/binderfs" [pid 6173] close(20) = -1 EBADF (Bad file descriptor) [pid 6173] close(21 [pid 6174] <... close resumed>) = 0 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] close(4 [pid 6173] close(22 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 6175] <... socket resumed>) = 3 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] close(23 [pid 5840] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6174] <... close resumed>) = 0 [pid 6173] close(24 [pid 5840] <... openat resumed>) = 3 [pid 5839] umount2("./54/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(5 [pid 6173] close(25 [pid 5840] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6173] close(26) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5839] newfstatat(AT_FDCWD, "./54/cgroup.net", [pid 6173] close(27) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6173] close(28 [pid 5840] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6175] <... sendto resumed>) = 32 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] close(29 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6175] recvfrom(3, [pid 6174] <... close resumed>) = 0 [pid 6173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5839] unlink("./54/cgroup.net" [pid 6175] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=61}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6174] close(6 [pid 6173] exit_group(0 [pid 6175] recvfrom(3, [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... exit_group resumed>) = ? [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6175] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=61}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6174] close(7 [pid 6173] +++ exited with 0 +++ [pid 5839] umount2("./54/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6175] close(3 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5839] newfstatat(AT_FDCWD, "./54/cgroup.cpu", [pid 6175] <... close resumed>) = 0 [pid 6174] close(8 [pid 5840] unlink("./55/binderfs" [pid 6175] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6175] <... socket resumed>) = 3 [pid 5840] umount2("./55/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6175] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6174] close(9 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./54/cgroup.cpu" [pid 6175] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./55/cgroup.net", [pid 6175] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6174] close(10 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6175] <... sendmsg resumed>) = 44 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./55/cgroup.net" [pid 5839] umount2("./54/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6175] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6174] close(11 [pid 5840] <... unlink resumed>) = 0 [pid 6175] <... openat resumed>) = 4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./55/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./54/cgroup", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./55/cgroup.cpu" [pid 6174] close(12 [pid 5840] <... unlink resumed>) = 0 [pid 5839] unlink("./54/cgroup" [pid 6175] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./55/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6175] <... openat resumed>) = 5 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 6174] close(13 [pid 5840] newfstatat(AT_FDCWD, "./55/cgroup", [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 6175] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6174] close(14 [pid 5840] unlink("./55/cgroup" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] close(3 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] rmdir("./54" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5839] <... rmdir resumed>) = 0 [pid 5835] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5839] mkdir("./55", 0777 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] rmdir("./55" [pid 5839] <... mkdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... rmdir resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] mkdir("./56", 0777 [pid 5835] <... openat resumed>) = 3 [pid 5840] <... mkdir resumed>) = 0 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(15) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6174] close(16 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6174] close(17 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./57/binderfs" [pid 6174] close(18 [pid 5835] <... unlink resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./57/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6176 attached [pid 6174] close(19 [pid 6176] set_robust_list(0x5555617a06a0, 24 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6176] <... set_robust_list resumed>) = 0 [pid 6174] close(20 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 58 [pid 5835] newfstatat(AT_FDCWD, "./57/cgroup.net", [pid 6176] chdir("./55" [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6177 attached [pid 6174] close(21 [pid 5835] unlink("./57/cgroup.net" [pid 6177] set_robust_list(0x5555617a06a0, 24 [pid 6176] <... chdir resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 59 [pid 5835] <... unlink resumed>) = 0 [pid 6177] <... set_robust_list resumed>) = 0 [pid 6176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6174] close(22 [pid 6177] chdir("./56" [pid 6176] <... prctl resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./57/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6176] setpgid(0, 0 [pid 6174] close(23 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] <... chdir resumed>) = 0 [pid 6176] <... setpgid resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./57/cgroup.cpu", [pid 6176] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6174] close(24 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./57/cgroup.cpu" [pid 6177] <... prctl resumed>) = 0 [pid 6176] <... symlink resumed>) = 0 [pid 6174] close(25 [pid 6177] setpgid(0, 0 [pid 6176] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6177] <... setpgid resumed>) = 0 [pid 6176] <... symlink resumed>) = 0 [pid 6174] close(26 [pid 6177] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./57/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6177] <... symlink resumed>) = 0 [pid 6176] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6174] close(27 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6176] <... symlink resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./57/cgroup", [pid 6177] <... symlink resumed>) = 0 [pid 6174] close(28 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6177] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... symlink resumed>) = 0 [pid 6176] <... openat resumed>) = 3 [pid 6174] close(29 [pid 5835] unlink("./57/cgroup" [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6176] write(3, "1000", 4 [pid 6174] exit_group(0 [pid 5835] <... unlink resumed>) = 0 [pid 6177] <... openat resumed>) = 3 [pid 6176] <... write resumed>) = 4 [pid 6177] write(3, "1000", 4 [pid 6176] close(3 [pid 6174] <... exit_group resumed>) = ? [pid 5835] getdents64(3, [pid 6176] <... close resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6177] <... write resumed>) = 4 [pid 6176] symlink("/dev/binderfs", "./binderfs" [pid 5835] close(3 [pid 6177] close(3 [pid 6176] <... symlink resumed>) = 0 [pid 5835] <... close resumed>) = 0 executing program [pid 6177] <... close resumed>) = 0 [pid 6176] write(1, "executing program\n", 18 [pid 5835] rmdir("./57" [pid 6176] <... write resumed>) = 18 [pid 5835] <... rmdir resumed>) = 0 [pid 6177] symlink("/dev/binderfs", "./binderfs" [pid 6176] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] mkdir("./58", 0777 [pid 6177] <... symlink resumed>) = 0 [pid 6177] write(1, "executing program\n", 18 [pid 6176] <... socket resumed>) = 3 [pid 6174] +++ exited with 0 +++ [pid 5835] <... mkdir resumed>) = 0 [pid 6176] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12executing program [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6177] <... write resumed>) = 18 [pid 6176] <... sendto resumed>) = 32 [pid 6177] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6176] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=58}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6177] <... socket resumed>) = 3 [pid 6176] recvfrom(3, [pid 5842] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6177] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6176] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=58}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 ./strace-static-x86_64: Process 6178 attached [pid 6177] <... sendto resumed>) = 32 [pid 6176] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] set_robust_list(0x5555617a06a0, 24 [pid 6177] recvfrom(3, [pid 6176] <... close resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6177] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=59}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6176] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... openat resumed>) = 3 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6177] recvfrom(3, [pid 6176] <... socket resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 61 [pid 6178] chdir("./58" [pid 6177] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=59}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6176] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6178] <... chdir resumed>) = 0 [pid 6177] close(3 [pid 6176] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6177] <... close resumed>) = 0 [pid 6176] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] getdents64(3, [pid 6178] <... prctl resumed>) = 0 [pid 6177] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6176] <... sendmsg resumed>) = 44 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6178] setpgid(0, 0 [pid 6177] <... socket resumed>) = 3 [pid 6176] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6178] <... setpgid resumed>) = 0 [pid 6177] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6176] <... openat resumed>) = 4 [pid 5842] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6177] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6176] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] <... symlink resumed>) = 0 [pid 6177] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6176] <... openat resumed>) = 5 [pid 5842] newfstatat(AT_FDCWD, "./58/binderfs", [pid 6178] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6177] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6176] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6178] <... symlink resumed>) = 0 [pid 6177] <... openat resumed>) = 4 [pid 6178] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5842] unlink("./58/binderfs" [pid 6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6177] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] <... unlink resumed>) = 0 [pid 6177] <... openat resumed>) = 5 [pid 6178] <... openat resumed>) = 3 [pid 5842] umount2("./58/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./58/cgroup.net") = 0 [pid 5842] umount2("./58/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6177] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] write(3, "1000", 4 [pid 5842] newfstatat(AT_FDCWD, "./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./58/cgroup.cpu") = 0 [pid 5842] umount2("./58/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] <... write resumed>) = 4 [pid 6178] close(3 [pid 6175] <... writev resumed>) = 61440 executing program [pid 6178] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6175] close(3 [pid 5842] newfstatat(AT_FDCWD, "./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6178] write(1, "executing program\n", 18 [pid 5842] unlink("./58/cgroup" [pid 6178] <... write resumed>) = 18 [pid 6176] <... writev resumed>) = 61440 [pid 6175] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6178] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6176] close(3 [pid 6175] close(4 [pid 5842] getdents64(3, [pid 6178] <... socket resumed>) = 3 [pid 6176] <... close resumed>) = 0 [pid 6175] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6178] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6176] close(4 [pid 6175] close(5 [pid 6178] <... sendto resumed>) = 32 [pid 6176] <... close resumed>) = 0 [pid 6175] <... close resumed>) = 0 [pid 5842] close(3 [pid 6178] recvfrom(3, [pid 6176] close(5 [pid 6175] close(6 [pid 6178] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=61}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6176] <... close resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] recvfrom(3, [pid 6176] close(6 [pid 6175] close(7 [pid 5842] <... close resumed>) = 0 [pid 6178] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=61}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(3 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(8 [pid 5842] rmdir("./58" [pid 6178] <... close resumed>) = 0 [pid 6176] close(7 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(9 [pid 5842] <... rmdir resumed>) = 0 [pid 6178] <... socket resumed>) = 3 [pid 6176] close(8 [pid 6178] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6176] close(9 [pid 6175] close(10 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(10 [pid 6175] close(11 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(11 [pid 6175] close(12 [pid 6178] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] <... sendmsg resumed>) = 44 [pid 6176] close(12 [pid 6175] close(13 [pid 6178] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] <... openat resumed>) = 4 [pid 6176] close(13) = -1 EBADF (Bad file descriptor) [pid 6175] close(14 [pid 6176] close(14 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(15 [pid 6178] <... openat resumed>) = 5 [pid 6176] close(15 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(16 [pid 6178] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6176] close(16 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... writev resumed>) = 61440 [pid 6176] close(17 [pid 6175] close(17 [pid 5842] mkdir("./59", 0777 [pid 6177] close(3 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 6176] close(18 [pid 6175] close(18 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6179 attached [pid 6177] <... close resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] set_robust_list(0x5555617a06a0, 24 [pid 6177] close(4 [pid 6175] close(19 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 62 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6177] <... close resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] chdir("./59" [pid 6177] close(5 [pid 6175] close(20 [pid 6179] <... chdir resumed>) = 0 [pid 6177] <... close resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(6 [pid 6175] close(21 [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... prctl resumed>) = 0 [pid 6177] close(7 [pid 6176] close(19 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(22 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(20 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] setpgid(0, 0 [pid 6177] close(8 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(23 [pid 6179] <... 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 6179] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6177] close(9 [pid 6175] close(24 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... symlink resumed>) = 0 [pid 6177] close(10 [pid 6175] close(25 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6177] close(11 [pid 6175] close(26 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... symlink resumed>) = 0 [pid 6177] close(12 [pid 6179] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(27 [pid 6179] <... symlink resumed>) = 0 [pid 6177] close(13 [pid 6176] close(22 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(14 [pid 6175] close(28 [pid 6179] <... openat resumed>) = 3 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] close(15 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] write(3, "1000", 4 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] close(29 [pid 6179] <... write resumed>) = 4 [pid 6177] close(16 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(3 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] exit_group(0 [pid 6179] <... close resumed>) = 0 [pid 6177] close(17 [pid 6175] <... exit_group resumed>) = ? [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] symlink("/dev/binderfs", "./binderfs" [pid 6177] close(18 [pid 6179] <... symlink resumed>) = 0 [pid 6175] +++ exited with 0 +++ [pid 6179] write(1, "executing program\n", 18 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6179] <... write resumed>) = 18 [pid 6177] close(19 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(23 [pid 6177] close(20 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] close(24 [pid 6177] close(21) = -1 EBADF (Bad file descriptor) [pid 6179] <... socket resumed>) = 3 [pid 6177] close(22) = -1 EBADF (Bad file descriptor) [pid 6177] close(23 [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... sendto resumed>) = 32 [pid 6177] close(24 [pid 6176] close(25 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6179] recvfrom(3, [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=62}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6177] close(25 [pid 6176] close(26 [pid 6179] recvfrom(3, [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=62}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6177] close(26 [pid 6176] close(27 [pid 6179] close(3 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = 0 [pid 6177] close(27 [pid 6176] close(28 [pid 6179] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... socket resumed>) = 3 [pid 6177] close(28 [pid 6176] close(29 [pid 6179] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6177] close(29 [pid 6176] exit_group(0 [pid 5838] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6179] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... exit_group resumed>) = ? [pid 6179] <... sendmsg resumed>) = 44 [pid 6177] exit_group(0) = ? [pid 6176] +++ exited with 0 +++ [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6179] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6177] +++ exited with 0 +++ [pid 5838] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6179] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5838] <... openat resumed>) = 3 [pid 6179] <... openat resumed>) = 5 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6179] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5838] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] unlink("./58/binderfs" [pid 5840] <... restart_syscall resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5839] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./58/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(AT_FDCWD, "./58/cgroup.net", [pid 5840] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6178] <... writev resumed>) = 61440 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(3, "", [pid 5838] unlink("./58/cgroup.net" [pid 6178] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6178] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 5838] <... unlink resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6178] close(4 [pid 5840] <... openat resumed>) = 3 [pid 5839] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] <... close resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] close(5 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(AT_FDCWD, "./55/binderfs", [pid 6178] <... close resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6178] close(6 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] unlink("./55/binderfs" [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] close(7 [pid 5839] <... unlink resumed>) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./55/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] close(8 [pid 5840] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(9 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./55/cgroup.net", [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(10 [pid 5840] unlink("./56/binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] unlink("./55/cgroup.net" [pid 5840] umount2("./56/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 6178] close(11 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./56/cgroup.net", [pid 5839] umount2("./55/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./58/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] close(12 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(13 [pid 5838] newfstatat(AT_FDCWD, "./58/cgroup.cpu", [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./56/cgroup.net" [pid 5839] newfstatat(AT_FDCWD, "./55/cgroup.cpu", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6178] close(14) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./58/cgroup.cpu" [pid 6178] close(15 [pid 5840] umount2("./56/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./55/cgroup.cpu" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6178] close(16 [pid 5840] newfstatat(AT_FDCWD, "./56/cgroup.cpu", [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./55/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./58/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6178] close(17) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./56/cgroup.cpu" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] close(18 [pid 5840] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./55/cgroup", [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./58/cgroup", [pid 6178] close(19 [pid 5840] umount2("./56/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./55/cgroup" [pid 6178] close(20 [pid 5840] newfstatat(AT_FDCWD, "./56/cgroup", [pid 5839] <... unlink resumed>) = 0 [pid 5838] unlink("./58/cgroup" [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6178] close(21 [pid 5840] unlink("./56/cgroup" [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] close(22 [pid 5840] <... unlink resumed>) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5839] close(3 [pid 5838] getdents64(3, [pid 6178] close(23) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 6178] close(24 [pid 5840] close(3 [pid 5839] rmdir("./55" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5838] close(3 [pid 6178] close(25) = -1 EBADF (Bad file descriptor) [pid 6178] close(26 [pid 5838] <... close resumed>) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./56" [pid 5839] mkdir("./56", 0777 [pid 5838] rmdir("./58" [pid 6178] close(27 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] mkdir("./59", 0777 [pid 6178] close(28 [pid 5840] mkdir("./57", 0777 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mkdir resumed>) = 0 [pid 6178] close(29 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6180 attached ./strace-static-x86_64: Process 6181 attached [pid 6180] set_robust_list(0x5555617a06a0, 24 [pid 6179] <... writev resumed>) = 61440 [pid 6178] exit_group(0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 59 [pid 6181] set_robust_list(0x5555617a06a0, 24 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] close(3 [pid 6178] <... exit_group resumed>) = ? [pid 6181] <... set_robust_list resumed>) = 0 [pid 6180] chdir("./56" [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 62 [pid 6181] chdir("./59" [pid 6180] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6182 attached [pid 6179] <... close resumed>) = 0 [pid 6178] +++ exited with 0 +++ [pid 6179] close(4 [pid 6182] set_robust_list(0x5555617a06a0, 24 [pid 6181] <... chdir resumed>) = 0 [pid 6180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6179] <... close resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 60 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6180] <... prctl resumed>) = 0 [pid 6179] close(5 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6181] <... prctl resumed>) = 0 [pid 6180] setpgid(0, 0 [pid 6179] <... close resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6180] <... setpgid resumed>) = 0 [pid 6179] close(6) = -1 EBADF (Bad file descriptor) [pid 6179] close(7) = -1 EBADF (Bad file descriptor) [pid 6179] close(8) = -1 EBADF (Bad file descriptor) [pid 6179] close(9) = -1 EBADF (Bad file descriptor) [pid 6179] close(10) = -1 EBADF (Bad file descriptor) [pid 6179] close(11) = -1 EBADF (Bad file descriptor) [pid 6179] close(12 [pid 6182] chdir("./57" [pid 6181] setpgid(0, 0 [pid 6180] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6182] <... chdir resumed>) = 0 [pid 6181] <... setpgid resumed>) = 0 [pid 6180] <... symlink resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6181] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6180] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6182] <... prctl resumed>) = 0 [pid 6181] <... symlink resumed>) = 0 [pid 6180] <... symlink resumed>) = 0 [pid 6179] close(13 [pid 6182] setpgid(0, 0 [pid 6181] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6182] <... setpgid resumed>) = 0 [pid 6180] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6181] <... symlink resumed>) = 0 [pid 6180] <... symlink resumed>) = 0 [pid 5835] <... restart_syscall resumed>) = 0 [pid 6182] <... symlink resumed>) = 0 [pid 6179] close(14) = -1 EBADF (Bad file descriptor) [pid 6182] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6181] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6182] <... symlink resumed>) = 0 [pid 6181] <... symlink resumed>) = 0 [pid 6180] <... openat resumed>) = 3 [pid 6179] close(15 [pid 6182] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6180] write(3, "1000", 4 [pid 5835] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6182] <... symlink resumed>) = 0 [pid 6181] <... openat resumed>) = 3 [pid 6180] <... write resumed>) = 4 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6181] write(3, "1000", 4 [pid 6179] close(16 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] <... openat resumed>) = 3 [pid 6181] <... write resumed>) = 4 [pid 6180] close(3 [pid 6182] write(3, "1000", 4 [pid 6181] close(3 [pid 6180] <... close resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6182] <... write resumed>) = 4 [pid 6181] <... close resumed>) = 0 [pid 6180] symlink("/dev/binderfs", "./binderfs" [pid 6179] close(17) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6179] close(18 [pid 5835] newfstatat(3, "", [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(3 [pid 6181] symlink("/dev/binderfs", "./binderfs" [pid 6180] <... symlink resumed>) = 0 [pid 6179] close(19 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6182] <... close resumed>) = 0 [pid 6181] <... symlink resumed>) = 0 [pid 6180] write(1, "executing program\n", 18 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] symlink("/dev/binderfs", "./binderfs"executing program [pid 5835] getdents64(3, [pid 6182] <... symlink resumed>) = 0 [pid 6181] write(1, "executing program\n", 18 [pid 6180] <... write resumed>) = 18 [pid 6179] close(20 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6179] close(21executing program executing program [pid 6182] write(1, "executing program\n", 18 [pid 6181] <... write resumed>) = 18 [pid 6180] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] <... write resumed>) = 18 [pid 6181] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6182] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6181] <... socket resumed>) = 3 [pid 6180] <... socket resumed>) = 3 [pid 6179] close(22 [pid 5835] newfstatat(AT_FDCWD, "./58/binderfs", [pid 6182] <... socket resumed>) = 3 [pid 6181] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6180] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6182] <... sendto resumed>) = 32 [pid 6181] <... sendto resumed>) = 32 [pid 6180] <... sendto resumed>) = 32 [pid 6179] close(23 [pid 6181] recvfrom(3, [pid 6180] recvfrom(3, [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./58/binderfs" [pid 6182] recvfrom(3, [pid 6181] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=62}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6180] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=59}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6179] close(24 [pid 6182] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=60}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6181] recvfrom(3, [pid 6180] recvfrom(3, [pid 5835] <... unlink resumed>) = 0 [pid 6182] recvfrom(3, [pid 6181] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=62}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6180] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=59}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=60}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6181] close(3 [pid 6180] close(3 [pid 6179] close(25 [pid 5835] umount2("./58/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6182] close(3 [pid 6181] <... close resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] <... close resumed>) = 0 [pid 6181] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6180] <... close resumed>) = 0 [pid 6179] close(26 [pid 5835] newfstatat(AT_FDCWD, "./58/cgroup.net", [pid 6182] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6181] <... socket resumed>) = 3 [pid 6180] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6182] <... socket resumed>) = 3 [pid 6181] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6180] <... socket resumed>) = 3 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6182] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6181] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6180] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6179] close(27 [pid 6182] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6181] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6180] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5835] unlink("./58/cgroup.net" [pid 6182] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6181] <... sendmsg resumed>) = 44 [pid 6180] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] <... sendmsg resumed>) = 44 [pid 6181] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6180] <... sendmsg resumed>) = 44 [pid 6179] close(28 [pid 5835] <... unlink resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./58/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6180] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6182] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6179] close(29 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] <... openat resumed>) = 4 [pid 6181] <... openat resumed>) = 4 [pid 6181] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6179] exit_group(0 [pid 5835] newfstatat(AT_FDCWD, "./58/cgroup.cpu", [pid 6181] <... openat resumed>) = 5 [pid 6182] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6180] <... openat resumed>) = 4 [pid 6179] <... exit_group resumed>) = ? [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6182] <... openat resumed>) = 5 [pid 6181] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6180] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 5835] unlink("./58/cgroup.cpu" [pid 6182] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] <... unlink resumed>) = 0 [pid 6180] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] umount2("./58/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./58/cgroup") = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6179] +++ exited with 0 +++ [pid 5835] close(3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5835] <... close resumed>) = 0 [pid 5835] rmdir("./58") = 0 [pid 5842] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] mkdir("./59", 0777 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... mkdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, ./strace-static-x86_64: Process 6183 attached [pid 6183] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 62 [pid 6183] <... set_robust_list resumed>) = 0 [pid 6182] <... writev resumed>) = 61440 [pid 6183] chdir("./59" [pid 6182] close(3) = 0 [pid 5842] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] <... chdir resumed>) = 0 [pid 6182] close(4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6182] <... close resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6183] <... prctl resumed>) = 0 [pid 6182] close(5 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6183] setpgid(0, 0 [pid 6182] <... close resumed>) = 0 [pid 5842] unlink("./59/binderfs" [pid 6183] <... setpgid resumed>) = 0 [pid 6183] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6182] close(6 [pid 6183] <... symlink resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6183] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6182] close(7 [pid 5842] umount2("./59/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] <... symlink resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(8 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6183] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./59/cgroup.net", [pid 6183] <... symlink resumed>) = 0 [pid 6182] close(9 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... openat resumed>) = 3 [pid 6182] close(10 [pid 5842] unlink("./59/cgroup.net" [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(11) = -1 EBADF (Bad file descriptor) [pid 6183] write(3, "1000", 4 [pid 6182] close(12 [pid 5842] <... unlink resumed>) = 0 [pid 6183] <... write resumed>) = 4 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./59/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] close(3 [pid 6182] close(13) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = 0 [pid 6182] close(14 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6183] symlink("/dev/binderfs", "./binderfs" [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... symlink resumed>) = 0 [pid 6182] close(15executing program ) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./59/cgroup.cpu", [pid 6183] write(1, "executing program\n", 18 [pid 6182] close(16 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... write resumed>) = 18 [pid 6183] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6182] close(17 [pid 5842] unlink("./59/cgroup.cpu" [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6182] close(18) = -1 EBADF (Bad file descriptor) [pid 6183] <... socket resumed>) = 3 [pid 6182] close(19 [pid 5842] umount2("./59/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] close(20 [pid 5842] newfstatat(AT_FDCWD, "./59/cgroup", [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6182] close(21 [pid 5842] unlink("./59/cgroup" [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6182] close(22 [pid 5842] getdents64(3, [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(23 [pid 6183] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6183] <... sendto resumed>) = 32 [pid 6182] close(24 [pid 5842] close(3 [pid 6183] recvfrom(3, [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 6182] close(25 [pid 6183] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=62}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] rmdir("./59" [pid 6183] recvfrom(3, [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 6183] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=62}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6182] close(26 [pid 5842] mkdir("./60", 0777 [pid 6183] close(3 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 6183] <... close resumed>) = 0 [pid 6183] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6182] close(27 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6183] <... socket resumed>) = 3 [pid 6183] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... ioctl resumed>, ifr_ifindex=11}) = 0 ./strace-static-x86_64: Process 6184 attached [pid 6182] close(28 [pid 6183] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] set_robust_list(0x5555617a06a0, 24 [pid 6183] <... sendmsg resumed>) = 44 [pid 6182] close(29 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 63 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] chdir("./60" [pid 6183] <... openat resumed>) = 4 [pid 6182] exit_group(0 [pid 6184] <... chdir resumed>) = 0 [pid 6183] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6182] <... exit_group resumed>) = ? [pid 6182] +++ exited with 0 +++ [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] <... openat resumed>) = 5 [pid 6184] <... prctl resumed>) = 0 [pid 6183] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6184] setpgid(0, 0) = 0 [pid 6184] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6184] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6184] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6180] <... writev resumed>) = 61440 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6184] <... openat resumed>) = 3 [pid 6180] close(3) = 0 [pid 6184] write(3, "1000", 4) = 4 [pid 6180] close(4 [pid 6184] close(3 [pid 6180] <... close resumed>) = 0 [pid 6184] <... close resumed>) = 0 [pid 6184] symlink("/dev/binderfs", "./binderfs" [pid 6181] <... writev resumed>) = 61440 [pid 6180] close(5 [pid 6181] close(3 [pid 6184] <... symlink resumed>) = 0 [pid 6181] <... close resumed>) = 0 [pid 6181] close(4) = 0 [pid 6181] close(5) = 0 [pid 6180] <... close resumed>) = 0 [pid 5840] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6181] close(6) = -1 EBADF (Bad file descriptor) [pid 6181] close(7) = -1 EBADF (Bad file descriptor) [pid 6181] close(8) = -1 EBADF (Bad file descriptor) [pid 6181] close(9) = -1 EBADF (Bad file descriptor) [pid 6181] close(10) = -1 EBADF (Bad file descriptor) [pid 6181] close(11executing program [pid 6184] write(1, "executing program\n", 18 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(6 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... write resumed>) = 18 [pid 6180] close(7 [pid 6184] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6181] close(12 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(8 [pid 6184] <... socket resumed>) = 3 [pid 6181] close(13 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(9 [pid 6184] <... sendto resumed>) = 32 [pid 6181] close(14 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6184] recvfrom(3, [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(10 [pid 6184] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=63}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6181] close(15 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] recvfrom(3, [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=63}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6180] close(11 [pid 6184] close(3 [pid 6181] close(16 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... close resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(12 [pid 6184] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6181] close(17 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... socket resumed>) = 3 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(13 [pid 6184] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6181] close(18 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(14 [pid 6184] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(19 [pid 6180] close(15 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6181] close(20 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... openat resumed>) = 4 [pid 6181] close(21 [pid 6180] close(16 [pid 5840] <... openat resumed>) = 3 [pid 6184] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] <... openat resumed>) = 5 [pid 5840] newfstatat(3, "", [pid 6181] close(22 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6184] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6181] close(23 [pid 6180] close(17 [pid 5840] getdents64(3, [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(24 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(18 [pid 5840] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6181] close(25 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(19 [pid 5840] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6181] close(26 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(20 [pid 5840] unlink("./57/binderfs" [pid 6181] close(27 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(21 [pid 6181] close(28 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./57/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(29 [pid 6180] close(22 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./57/cgroup.net", [pid 6181] exit_group(0 [pid 6180] close(23 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6181] <... exit_group resumed>) = ? [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] +++ exited with 0 +++ [pid 6180] close(24 [pid 5840] unlink("./57/cgroup.net" [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6180] close(25 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(26) = -1 EBADF (Bad file descriptor) [pid 6180] close(27 [pid 5840] umount2("./57/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6180] close(28) = -1 EBADF (Bad file descriptor) [pid 6180] close(29 [pid 5840] newfstatat(AT_FDCWD, "./57/cgroup.cpu", [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6180] exit_group(0 [pid 5840] unlink("./57/cgroup.cpu" [pid 6180] <... exit_group resumed>) = ? [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./57/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./57/cgroup", [pid 6180] +++ exited with 0 +++ [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./57/cgroup") = 0 [pid 5840] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 6183] <... writev resumed>) = 61440 [pid 5840] rmdir("./57") = 0 [pid 5840] mkdir("./58", 0777) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6183] close(3 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 3 [pid 6183] close(4 [pid 5839] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] newfstatat(3, "", [pid 6183] <... close resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6183] close(5 [pid 5839] newfstatat(3, "", [pid 5838] getdents64(3, ./strace-static-x86_64: Process 6185 attached [pid 6183] <... close resumed>) = 0 [pid 6185] set_robust_list(0x5555617a06a0, 24 [pid 6183] close(6 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 61 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6185] <... set_robust_list resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 5838] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] close(7 [pid 6185] chdir("./58" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./56/binderfs") = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./56/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6183] close(8 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] <... chdir resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./56/cgroup.net", [pid 6183] close(9 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./56/cgroup.net" [pid 6183] close(10 [pid 6185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6185] <... prctl resumed>) = 0 [pid 6183] close(11 [pid 6185] setpgid(0, 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./56/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6185] <... setpgid resumed>) = 0 [pid 6183] close(12 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... symlink resumed>) = 0 [pid 6183] close(13 [pid 5839] newfstatat(AT_FDCWD, "./56/cgroup.cpu", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6185] <... symlink resumed>) = 0 [pid 6183] close(14 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./56/cgroup.cpu" [pid 5838] unlink("./59/binderfs" [pid 6185] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6183] close(15 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6185] <... symlink resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6183] close(16 [pid 5839] umount2("./56/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./59/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6185] <... openat resumed>) = 3 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] write(3, "1000", 4 [pid 6183] close(17 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] <... write resumed>) = 4 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./56/cgroup", [pid 6185] close(3 [pid 6183] close(18 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./59/cgroup.net", [pid 6185] <... close resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./56/cgroup"executing program [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6185] symlink("/dev/binderfs", "./binderfs" [pid 6183] close(19 [pid 5839] <... unlink resumed>) = 0 [pid 5838] unlink("./59/cgroup.net" [pid 6185] <... symlink resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 5838] <... unlink resumed>) = 0 [pid 6185] write(1, "executing program\n", 18 [pid 6183] close(20 [pid 5838] umount2("./59/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6185] <... write resumed>) = 18 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6183] close(21 [pid 5839] close(3 [pid 5838] newfstatat(AT_FDCWD, "./59/cgroup.cpu", [pid 6185] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6185] <... sendto resumed>) = 32 [pid 6183] close(22 [pid 6185] recvfrom(3, [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./56" [pid 5838] unlink("./59/cgroup.cpu" [pid 6185] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=61}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6183] close(23 [pid 5839] <... rmdir resumed>) = 0 [pid 6185] recvfrom(3, [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6185] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=61}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6183] close(24 [pid 5839] mkdir("./57", 0777 [pid 5838] umount2("./59/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6185] close(3 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] <... close resumed>) = 0 [pid 6183] close(25) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 6183] close(26 [pid 5838] newfstatat(AT_FDCWD, "./59/cgroup", [pid 6185] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6185] <... socket resumed>) = 3 [pid 6183] close(27 [pid 6185] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./59/cgroup" [pid 6183] close(28 [pid 5838] <... unlink resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] close(29 [pid 6185] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6183] exit_group(0 [pid 5838] getdents64(3, [pid 6185] <... sendmsg resumed>) = 44 [pid 6185] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6185] <... openat resumed>) = 4 [pid 6183] <... exit_group resumed>) = ? [pid 5838] close(3 [pid 6185] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 5838] <... close resumed>) = 0 ./strace-static-x86_64: Process 6186 attached [pid 5838] rmdir("./59") = 0 [pid 6186] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 60 [pid 6185] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5838] mkdir("./60", 0777 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6186] chdir("./57" [pid 5838] <... mkdir resumed>) = 0 [pid 6186] <... chdir resumed>) = 0 [pid 6183] +++ exited with 0 +++ [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6186] setpgid(0, 0) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- ./strace-static-x86_64: Process 6187 attached [pid 6186] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6184] <... writev resumed>) = 61440 [pid 5835] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] set_robust_list(0x5555617a06a0, 24 [pid 6186] <... symlink resumed>) = 0 [pid 6184] close(3 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 63 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] <... set_robust_list resumed>) = 0 [pid 6186] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6184] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6186] <... symlink resumed>) = 0 [pid 6187] chdir("./60" [pid 6184] close(4 [pid 5835] <... openat resumed>) = 3 [pid 6186] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6184] <... close resumed>) = 0 [pid 6187] <... chdir resumed>) = 0 [pid 6184] close(5 [pid 5835] newfstatat(3, "", [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] <... symlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6187] <... prctl resumed>) = 0 [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 6187] setpgid(0, 0 [pid 6186] <... openat resumed>) = 3 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6187] <... setpgid resumed>) = 0 [pid 6184] close(6 [pid 6187] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6186] write(3, "1000", 4executing program executing program [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] <... symlink resumed>) = 0 [pid 6186] <... write resumed>) = 4 [pid 6184] close(7 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6186] close(3 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6187] <... symlink resumed>) = 0 [pid 6186] <... close resumed>) = 0 [pid 6184] close(8 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6186] symlink("/dev/binderfs", "./binderfs" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./59/binderfs" [pid 6187] <... symlink resumed>) = 0 [pid 6186] <... symlink resumed>) = 0 [pid 6184] close(9 [pid 5835] <... unlink resumed>) = 0 [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] write(1, "executing program\n", 18 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... openat resumed>) = 3 [pid 6184] close(10 [pid 5835] umount2("./59/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6186] <... write resumed>) = 18 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] write(3, "1000", 4 [pid 6184] close(11 [pid 5835] newfstatat(AT_FDCWD, "./59/cgroup.net", [pid 6187] <... write resumed>) = 4 [pid 6186] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] close(3 [pid 6186] <... socket resumed>) = 3 [pid 6184] close(12 [pid 6187] <... close resumed>) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./59/cgroup.net" [pid 6187] symlink("/dev/binderfs", "./binderfs" [pid 6186] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6184] close(13 [pid 5835] <... unlink resumed>) = 0 [pid 6187] <... symlink resumed>) = 0 [pid 6186] <... sendto resumed>) = 32 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./59/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6184] close(14 [pid 6187] write(1, "executing program\n", 18 [pid 6186] recvfrom(3, [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] <... write resumed>) = 18 [pid 6186] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=60}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6184] close(15 [pid 5835] newfstatat(AT_FDCWD, "./59/cgroup.cpu", [pid 6187] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6186] recvfrom(3, [pid 6187] <... socket resumed>) = 3 [pid 6186] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=60}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6186] close(3 [pid 6184] close(16 [pid 5835] unlink("./59/cgroup.cpu" [pid 6187] <... sendto resumed>) = 32 [pid 6186] <... close resumed>) = 0 [pid 6187] recvfrom(3, [pid 6186] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6187] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=63}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6186] <... socket resumed>) = 3 [pid 6184] close(17 [pid 6187] recvfrom(3, [pid 6186] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./59/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=63}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6186] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6184] close(18 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] close(3 [pid 6186] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./59/cgroup", [pid 6187] <... close resumed>) = 0 [pid 6186] <... sendmsg resumed>) = 44 [pid 6184] close(19 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6186] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... socket resumed>) = 3 [pid 6186] <... openat resumed>) = 4 [pid 6184] close(20 [pid 5835] unlink("./59/cgroup" [pid 6187] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6187] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6186] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6184] close(21 [pid 5835] getdents64(3, [pid 6187] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6186] <... openat resumed>) = 5 [pid 6184] close(22 [pid 6187] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6187] <... openat resumed>) = 4 [pid 6186] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6184] close(23 [pid 5835] <... close resumed>) = 0 [pid 6187] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./59" [pid 6184] close(24 [pid 5835] <... rmdir resumed>) = 0 [pid 6187] <... openat resumed>) = 5 [pid 6187] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] mkdir("./60", 0777) = 0 [pid 6185] <... writev resumed>) = 61440 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6185] close(3 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(25 [pid 6185] <... close resumed>) = 0 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] close(26./strace-static-x86_64: Process 6188 attached [pid 6185] close(4 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] set_robust_list(0x5555617a06a0, 24 [pid 6186] <... writev resumed>) = 61440 [pid 6185] <... close resumed>) = 0 [pid 6184] close(27 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 63 [pid 6186] close(3 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = 0 [pid 6184] close(28 [pid 6186] close(4 [pid 6184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... close resumed>) = 0 [pid 6184] close(29) = -1 EBADF (Bad file descriptor) [pid 6186] close(5 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6185] close(5 [pid 6184] exit_group(0 [pid 6188] chdir("./60" [pid 6186] <... close resumed>) = 0 [pid 6186] close(6 [pid 6188] <... chdir resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6186] close(7 [pid 6188] setpgid(0, 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] close(8) = -1 EBADF (Bad file descriptor) [pid 6186] close(9 [pid 6188] <... setpgid resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6186] close(10) = -1 EBADF (Bad file descriptor) [pid 6186] close(11 [pid 6184] <... exit_group resumed>) = ? [pid 6188] <... symlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = 0 [pid 6184] +++ exited with 0 +++ [pid 6186] close(12) = -1 EBADF (Bad file descriptor) [pid 6188] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6186] close(13 [pid 6188] <... symlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] close(14) = -1 EBADF (Bad file descriptor) [pid 6186] close(15 [pid 6188] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... symlink resumed>) = 0 [pid 6186] close(16) = -1 EBADF (Bad file descriptor) [pid 6186] close(17) = -1 EBADF (Bad file descriptor) [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] close(18) = -1 EBADF (Bad file descriptor) [pid 6186] close(19 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6188] <... openat resumed>) = 3 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] close(20) = -1 EBADF (Bad file descriptor) [pid 6186] close(21) = -1 EBADF (Bad file descriptor) [pid 6186] close(22) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6188] write(3, "1000", 4 [pid 6186] close(23 [pid 6188] <... write resumed>) = 4 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] close(3 [pid 6186] close(24 [pid 6188] <... close resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6188] symlink("/dev/binderfs", "./binderfs" [pid 6186] close(25 [pid 6185] close(6 [pid 5842] <... openat resumed>) = 3 [pid 6188] <... symlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] close(26 [pid 6185] close(7executing program [pid 5842] newfstatat(3, "", [pid 6188] write(1, "executing program\n", 18 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... write resumed>) = 18 [pid 6186] close(27 [pid 6185] close(8 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6188] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... socket resumed>) = 3 [pid 6186] close(28 [pid 6185] close(9 [pid 5842] getdents64(3, [pid 6188] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6188] <... sendto resumed>) = 32 [pid 6186] close(29 [pid 6185] close(10 [pid 6188] recvfrom(3, [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6188] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=63}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6187] <... writev resumed>) = 61440 [pid 6186] exit_group(0 [pid 6185] close(11 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] recvfrom(3, [pid 6187] close(3 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] <... close resumed>) = 0 [pid 6185] close(12 [pid 5842] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6188] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=63}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6186] <... exit_group resumed>) = ? [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6188] close(3 [pid 6187] close(4 [pid 6185] close(13 [pid 6188] <... close resumed>) = 0 [pid 6187] <... close resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./60/binderfs" [pid 6188] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6187] close(5 [pid 6185] close(14 [pid 5842] <... unlink resumed>) = 0 [pid 6188] <... socket resumed>) = 3 [pid 6187] <... close resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./60/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6188] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6187] close(6 [pid 6186] +++ exited with 0 +++ [pid 6185] close(15 [pid 6188] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6187] close(7 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... sendmsg resumed>) = 44 [pid 6185] close(16 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6188] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./60/cgroup.net", [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... openat resumed>) = 4 [pid 6187] close(8 [pid 6185] close(17 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6188] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6187] close(9 [pid 6185] close(18 [pid 5839] <... restart_syscall resumed>) = 0 [pid 6188] <... openat resumed>) = 5 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./60/cgroup.net" [pid 6187] close(10 [pid 6185] close(19 [pid 6188] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(20 [pid 6187] close(11 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./60/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] close(12 [pid 5839] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(13 [pid 6185] close(21 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(14 [pid 6185] close(22 [pid 5842] newfstatat(AT_FDCWD, "./60/cgroup.cpu", [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(3, "", [pid 6187] close(15 [pid 6185] close(23 [pid 5842] unlink("./60/cgroup.cpu" [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6187] close(16 [pid 6185] close(24 [pid 5842] umount2("./60/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6187] close(17 [pid 6185] close(25 [pid 5842] newfstatat(AT_FDCWD, "./60/cgroup", [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 6187] close(18 [pid 6185] close(26 [pid 5842] unlink("./60/cgroup" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] close(19 [pid 6185] close(27 [pid 5842] getdents64(3, [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] close(20 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(28 [pid 5842] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] close(21 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] close(29 [pid 5842] rmdir("./60" [pid 5839] unlink("./57/binderfs" [pid 6187] close(22 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] exit_group(0 [pid 5842] mkdir("./61", 0777 [pid 5839] umount2("./57/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] close(23 [pid 6185] <... exit_group resumed>) = ? [pid 5842] <... mkdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] +++ exited with 0 +++ [pid 6187] close(24 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] newfstatat(AT_FDCWD, "./57/cgroup.net", ./strace-static-x86_64: Process 6189 attached [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6189] set_robust_list(0x5555617a06a0, 24 [pid 6187] close(25 [pid 5839] unlink("./57/cgroup.net" [pid 6189] <... set_robust_list resumed>) = 0 [pid 6189] chdir("./61" [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 64 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./57/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6187] close(26 [pid 5840] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./57/cgroup.cpu", [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6187] close(27 [pid 5840] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] unlink("./57/cgroup.cpu" [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 5839] <... unlink resumed>) = 0 [pid 6187] close(28 [pid 5840] newfstatat(3, "", [pid 5839] umount2("./57/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6187] close(29 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5839] newfstatat(AT_FDCWD, "./57/cgroup", [pid 6187] exit_group(0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6187] <... exit_group resumed>) = ? [pid 5840] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./58/binderfs" [pid 5839] unlink("./57/cgroup" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] umount2("./58/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./58/cgroup.net", [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./57" [pid 5840] unlink("./58/cgroup.net" [pid 5839] <... rmdir resumed>) = 0 [pid 6187] +++ exited with 0 +++ [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./58/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] mkdir("./58", 0777 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... mkdir resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5840] newfstatat(AT_FDCWD, "./58/cgroup.cpu", [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6189] <... chdir resumed>) = 0 [pid 6189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6189] setpgid(0, 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6189] <... setpgid resumed>) = 0 [pid 5840] unlink("./58/cgroup.cpu"./strace-static-x86_64: Process 6190 attached ) = 0 [pid 5838] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6189] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5840] umount2("./58/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6189] <... symlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./58/cgroup", [pid 5838] <... openat resumed>) = 3 [pid 6188] <... writev resumed>) = 61440 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(3, "", [pid 6188] close(3 [pid 6189] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5840] unlink("./58/cgroup" [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6189] <... symlink resumed>) = 0 [pid 6188] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 6189] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6188] close(4 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] getdents64(3, [pid 5838] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6189] <... symlink resumed>) = 0 [pid 6188] <... close resumed>) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6188] close(5 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(3 [pid 6188] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6190] set_robust_list(0x5555617a06a0, 24 [pid 6188] close(6 [pid 5840] rmdir("./58" [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 61 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... set_robust_list resumed>) = 0 [pid 6189] <... openat resumed>) = 3 [pid 6188] close(7 [pid 5840] <... rmdir resumed>) = 0 [pid 5838] unlink("./60/binderfs" [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./59", 0777 [pid 6190] chdir("./58" [pid 6188] close(8 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6189] write(3, "1000", 4 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6190] <... chdir resumed>) = 0 [pid 6189] <... write resumed>) = 4 [pid 6188] close(9 [pid 5838] umount2("./60/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6191 attached [pid 6190] setpgid(0, 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./60/cgroup.net", [pid 6189] close(3 [pid 6188] close(10 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6191] set_robust_list(0x5555617a06a0, 24 [pid 6190] <... setpgid resumed>) = 0 [pid 6189] <... close resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./60/cgroup.net" [pid 6191] <... set_robust_list resumed>) = 0 [pid 6190] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6189] symlink("/dev/binderfs", "./binderfs" [pid 6188] close(11 [pid 5838] <... unlink resumed>) = 0 [pid 6191] chdir("./59" [pid 6190] <... symlink resumed>) = 0 [pid 6189] <... symlink resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5838] umount2("./60/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6191] <... chdir resumed>) = 0 [pid 6190] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6189] write(1, "executing program\n", 18 [pid 6188] close(12 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6190] <... symlink resumed>) = 0 [pid 6189] <... write resumed>) = 18 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./60/cgroup.cpu", [pid 6191] <... prctl resumed>) = 0 [pid 6190] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6189] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6188] close(13 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6191] setpgid(0, 0 [pid 6190] <... symlink resumed>) = 0 [pid 6189] <... socket resumed>) = 3 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 62 [pid 5838] unlink("./60/cgroup.cpu" [pid 6191] <... setpgid resumed>) = 0 [pid 6190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6189] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6188] close(14 [pid 5838] <... unlink resumed>) = 0 [pid 6191] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6190] <... openat resumed>) = 3 [pid 6189] <... sendto resumed>) = 32 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./60/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6191] <... symlink resumed>) = 0 [pid 6190] write(3, "1000", 4 [pid 6189] recvfrom(3, [pid 6188] close(15 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6191] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6190] <... write resumed>) = 4 [pid 6189] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=64}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./60/cgroup", [pid 6190] close(3 [pid 6189] recvfrom(3, [pid 6188] close(16 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6191] <... symlink resumed>) = 0 [pid 6190] <... close resumed>) = 0 [pid 6189] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=64}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6190] symlink("/dev/binderfs", "./binderfs" [pid 6189] close(3 [pid 6188] close(17 [pid 5838] unlink("./60/cgroup" [pid 6191] <... symlink resumed>) = 0 [pid 6190] <... symlink resumed>) = 0 [pid 6189] <... close resumed>) = 0 executing program [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6190] write(1, "executing program\n", 18 [pid 6189] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6188] close(18 [pid 5838] getdents64(3, [pid 6191] <... openat resumed>) = 3 [pid 6190] <... write resumed>) = 18 [pid 6189] <... socket resumed>) = 3 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6191] write(3, "1000", 4 [pid 6190] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6189] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6188] close(19 [pid 5838] close(3 [pid 6191] <... write resumed>) = 4 [pid 6190] <... socket resumed>) = 3 [pid 6189] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 6191] close(3 [pid 6190] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6189] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6188] close(20 [pid 5838] rmdir("./60" [pid 6191] <... close resumed>) = 0 [pid 6190] <... sendto resumed>) = 32 [pid 6189] <... sendmsg resumed>) = 44 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rmdir resumed>) = 0 [pid 6191] symlink("/dev/binderfs", "./binderfs" [pid 6189] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6188] close(21 [pid 6191] <... symlink resumed>) = 0 [pid 6190] recvfrom(3, [pid 6189] <... openat resumed>) = 4 executing program [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] mkdir("./61", 0777 [pid 6191] write(1, "executing program\n", 18 [pid 6190] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=61}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6189] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6188] close(22 [pid 5838] <... mkdir resumed>) = 0 [pid 6191] <... write resumed>) = 18 [pid 6190] recvfrom(3, [pid 6189] <... openat resumed>) = 5 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6190] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=61}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6189] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6188] close(23 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6191] <... socket resumed>) = 3 [pid 6190] close(3./strace-static-x86_64: Process 6192 attached [pid 6191] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6190] <... close resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] set_robust_list(0x5555617a06a0, 24 [pid 6191] <... sendto resumed>) = 32 [pid 6190] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6189] <... writev resumed>) = 61440 [pid 6188] close(24 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 64 [pid 6192] <... set_robust_list resumed>) = 0 [pid 6189] close(3 [pid 6192] chdir("./61" [pid 6189] <... close resumed>) = 0 [pid 6192] <... chdir resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(4) = 0 [pid 6192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6189] close(5) = 0 [pid 6188] close(25 [pid 6190] <... socket resumed>) = 3 [pid 6189] close(6 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... prctl resumed>) = 0 [pid 6192] setpgid(0, 0 [pid 6191] recvfrom(3, [pid 6190] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(26 [pid 6192] <... setpgid resumed>) = 0 [pid 6191] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=62}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6189] close(7 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6190] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(27 [pid 6192] <... symlink resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(8 [pid 6192] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6191] recvfrom(3, [pid 6190] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(28 [pid 6191] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=62}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6192] <... symlink resumed>) = 0 [pid 6190] <... sendmsg resumed>) = 44 [pid 6191] close(3 [pid 6189] close(9 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] close(29 [pid 6191] <... close resumed>) = 0 [pid 6190] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6192] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6191] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6189] close(10 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] exit_group(0 [pid 6189] close(11 [pid 6188] <... exit_group resumed>) = ? [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] +++ exited with 0 +++ [pid 6189] close(12 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6189] close(13) = -1 EBADF (Bad file descriptor) [pid 6189] close(14 [pid 6192] <... symlink resumed>) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(15) = -1 EBADF (Bad file descriptor) [pid 6190] <... openat resumed>) = 4 [pid 6189] close(16) = -1 EBADF (Bad file descriptor) [pid 6190] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6189] close(17) = -1 EBADF (Bad file descriptor) [pid 6189] close(18) = -1 EBADF (Bad file descriptor) [pid 6189] close(19 [pid 6192] <... openat resumed>) = 3 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(20 [pid 6191] <... socket resumed>) = 3 [pid 6190] <... openat resumed>) = 5 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] write(3, "1000", 4) = 4 [pid 6191] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6190] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6192] close(3 [pid 6191] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6189] close(21 [pid 5835] <... restart_syscall resumed>) = 0 [pid 6191] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... sendmsg resumed>) = 44 [pid 6189] close(22 [pid 6191] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... openat resumed>) = 4 [pid 6189] close(23 [pid 5835] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6191] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6189] close(24 [pid 5835] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6191] <... openat resumed>) = 5 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(25 [pid 5835] <... openat resumed>) = 3 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(3, "", [pid 6191] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6189] close(26 [pid 6192] <... close resumed>) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] symlink("/dev/binderfs", "./binderfs" [pid 6189] close(27) = -1 EBADF (Bad file descriptor) [pid 6189] close(28) = -1 EBADF (Bad file descriptor) [pid 6189] close(29) = -1 EBADF (Bad file descriptor) [pid 6189] exit_group(0) = ? [pid 6192] <... symlink resumed>) = 0 [pid 6192] write(1, "executing program\n", 18 [pid 6189] +++ exited with 0 +++ executing program [pid 6192] <... write resumed>) = 18 [pid 6192] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5842] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6192] <... socket resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5835] getdents64(3, [pid 6192] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6192] <... sendto resumed>) = 32 [pid 5842] newfstatat(3, "", [pid 5835] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(3, [pid 5835] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./60/binderfs" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./60/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./61/binderfs" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./61/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./60/cgroup.net", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./61/cgroup.net", [pid 5835] unlink("./60/cgroup.net" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6192] recvfrom(3, [pid 5842] unlink("./61/cgroup.net" [pid 5835] umount2("./60/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6192] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=64}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] <... unlink resumed>) = 0 [pid 6192] recvfrom(3, [pid 5842] umount2("./61/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=64}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./60/cgroup.cpu", [pid 6192] close(3 [pid 5842] newfstatat(AT_FDCWD, "./61/cgroup.cpu", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6192] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./60/cgroup.cpu" [pid 6192] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] unlink("./61/cgroup.cpu" [pid 6192] <... socket resumed>) = 3 [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6192] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] umount2("./61/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./60/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./61/cgroup", [pid 5835] newfstatat(AT_FDCWD, "./60/cgroup", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./61/cgroup" [pid 5835] unlink("./60/cgroup" [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5842] getdents64(3, [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3 [pid 5842] close(3 [pid 5835] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5835] rmdir("./60") = 0 [pid 5842] rmdir("./61" [pid 5835] mkdir("./61", 0777 [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./62", 0777) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6193 attached [pid 6192] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6192] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6193] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 65 [pid 6193] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6194 attached [pid 6193] chdir("./62" [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 64 [pid 6190] <... writev resumed>) = 61440 [pid 6190] close(3) = 0 [pid 6193] <... chdir resumed>) = 0 [pid 6190] close(4) = 0 [pid 6193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6193] setpgid(0, 0) = 0 [pid 6193] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6191] <... writev resumed>) = 61440 [pid 6191] close(3 [pid 6193] <... symlink resumed>) = 0 [pid 6191] <... close resumed>) = 0 [pid 6193] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6191] close(4 [pid 6190] close(5 [pid 6192] <... sendmsg resumed>) = 44 [pid 6192] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6190] <... close resumed>) = 0 [pid 6192] <... openat resumed>) = 4 [pid 6192] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6190] close(6 [pid 6192] <... openat resumed>) = 5 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(7 [pid 6193] <... symlink resumed>) = 0 [pid 6191] <... close resumed>) = 0 [pid 6194] set_robust_list(0x5555617a06a0, 24 [pid 6193] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6192] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6191] close(5 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... set_robust_list resumed>) = 0 [pid 6191] <... close resumed>) = 0 [pid 6190] close(8) = -1 EBADF (Bad file descriptor) [pid 6193] <... symlink resumed>) = 0 [pid 6190] close(9 [pid 6193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] chdir("./61" [pid 6193] <... openat resumed>) = 3 [pid 6194] <... chdir resumed>) = 0 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6193] write(3, "1000", 4 [pid 6194] <... prctl resumed>) = 0 [pid 6193] <... write resumed>) = 4 [pid 6190] close(10 [pid 6194] setpgid(0, 0 [pid 6193] close(3 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... setpgid resumed>) = 0 [pid 6190] close(11 [pid 6194] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6193] <... close resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] symlink("/dev/binderfs", "./binderfs" [pid 6194] <... symlink resumed>) = 0 [pid 6191] close(6 [pid 6190] close(12 [pid 6194] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6193] <... symlink resumed>) = 0 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... symlink resumed>) = 0 [pid 6193] write(1, "executing program\n", 18 [pid 6191] close(7 [pid 6190] close(13executing program [pid 6194] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6193] <... write resumed>) = 18 [pid 6194] <... symlink resumed>) = 0 [pid 6193] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6193] <... socket resumed>) = 3 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] close(8 [pid 6194] write(3, "1000", 4 [pid 6193] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6194] <... write resumed>) = 4 [pid 6193] <... sendto resumed>) = 32 [pid 6194] close(3 [pid 6193] recvfrom(3, [pid 6194] <... close resumed>) = 0 [pid 6193] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=65}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6194] symlink("/dev/binderfs", "./binderfs" [pid 6193] recvfrom(3, [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(14 [pid 6194] <... symlink resumed>) = 0 [pid 6193] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=65}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6191] close(9 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] write(1, "executing program\n", 18executing program [pid 6193] close(3 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(15 [pid 6194] <... write resumed>) = 18 [pid 6193] <... close resumed>) = 0 [pid 6191] close(10 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6193] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(16 [pid 6194] <... socket resumed>) = 3 [pid 6193] <... socket resumed>) = 3 [pid 6191] close(11 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(17 [pid 6194] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6191] close(12 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... sendto resumed>) = 32 [pid 6193] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6190] close(18 [pid 6194] recvfrom(3, [pid 6193] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=64}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6193] <... sendmsg resumed>) = 44 [pid 6191] close(13 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] recvfrom(3, [pid 6193] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(19 [pid 6194] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=64}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6193] <... openat resumed>) = 4 [pid 6191] close(14 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(3 [pid 6193] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(20 [pid 6194] <... close resumed>) = 0 [pid 6193] <... openat resumed>) = 5 [pid 6191] close(15 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6193] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(21 [pid 6191] close(16 [pid 6194] <... socket resumed>) = 3 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6191] close(17 [pid 6190] close(22 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] close(18 [pid 6194] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] close(19 [pid 6190] close(23) = -1 EBADF (Bad file descriptor) [pid 6194] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6190] close(24 [pid 6194] <... sendmsg resumed>) = 44 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6192] <... writev resumed>) = 61440 [pid 6191] close(20 [pid 6192] close(3 [pid 6190] close(25 [pid 6192] <... close resumed>) = 0 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(4 [pid 6191] close(21 [pid 6194] <... openat resumed>) = 4 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = 0 [pid 6191] close(22) = -1 EBADF (Bad file descriptor) [pid 6192] close(5 [pid 6191] close(23 [pid 6192] <... close resumed>) = 0 [pid 6192] close(6 [pid 6194] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... openat resumed>) = 5 [pid 6192] close(7 [pid 6191] close(24 [pid 6190] close(26 [pid 6194] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(8 [pid 6191] close(25 [pid 6190] close(27 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(9 [pid 6191] close(26 [pid 6190] close(28 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... writev resumed>) = 61440 [pid 6192] close(10 [pid 6191] close(27 [pid 6190] close(29 [pid 6194] close(3 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = 0 [pid 6192] close(11 [pid 6191] close(28 [pid 6190] exit_group(0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(4 [pid 6192] close(12 [pid 6191] close(29 [pid 6190] <... exit_group resumed>) = ? [pid 6194] <... close resumed>) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(13 [pid 6191] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(5 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(14 [pid 6194] <... close resumed>) = 0 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] exit_group(0 [pid 6192] close(15 [pid 6194] close(6 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... exit_group resumed>) = ? [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(16 [pid 6194] close(7) = -1 EBADF (Bad file descriptor) [pid 6194] close(8) = -1 EBADF (Bad file descriptor) [pid 6194] close(9) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(10 [pid 6192] close(17 [pid 6190] +++ exited with 0 +++ [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(11 [pid 6192] close(18 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6194] close(12 [pid 6192] close(19 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(13 [pid 6192] close(20 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(14) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(15 [pid 6192] close(21 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(16 [pid 6192] close(22 [pid 6191] +++ exited with 0 +++ [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6194] close(17) = -1 EBADF (Bad file descriptor) [pid 6192] close(23 [pid 6194] close(18 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(24 [pid 6194] close(19 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6194] close(20 [pid 6192] close(25 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] close(26 [pid 6194] close(21 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(27 [pid 5840] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6194] close(22 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(23 [pid 6192] close(28 [pid 5839] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 6194] close(24) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6194] close(25 [pid 6192] close(29 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] close(26) = -1 EBADF (Bad file descriptor) [pid 6192] exit_group(0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6194] close(27 [pid 6192] <... exit_group resumed>) = ? [pid 5840] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 6192] +++ exited with 0 +++ [pid 5840] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6194] close(28) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6194] close(29 [pid 5840] unlink("./59/binderfs" [pid 5839] newfstatat(3, "", [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6194] exit_group(0 [pid 5840] umount2("./59/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 6194] <... exit_group resumed>) = ? [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] newfstatat(AT_FDCWD, "./59/cgroup.net", [pid 5839] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./59/cgroup.net" [pid 5839] unlink("./58/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5840] umount2("./59/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./58/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./59/cgroup.cpu", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./58/cgroup.net", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./59/cgroup.cpu" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... unlink resumed>) = 0 [pid 5839] unlink("./58/cgroup.net" [pid 5838] <... openat resumed>) = 3 [pid 6194] +++ exited with 0 +++ [pid 5840] umount2("./59/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6193] <... writev resumed>) = 61440 [pid 5839] <... unlink resumed>) = 0 [pid 6193] close(3 [pid 5838] newfstatat(3, "", [pid 6193] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./58/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6193] close(4 [pid 5840] newfstatat(AT_FDCWD, "./59/cgroup", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./59/cgroup" [pid 5839] newfstatat(AT_FDCWD, "./58/cgroup.cpu", [pid 5838] getdents64(3, [pid 6193] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] unlink("./58/cgroup.cpu" [pid 6193] close(5 [pid 5840] getdents64(3, [pid 5839] <... unlink resumed>) = 0 [pid 5838] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./58/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6193] <... close resumed>) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6193] close(6 [pid 5840] close(3 [pid 5839] newfstatat(AT_FDCWD, "./58/cgroup", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5838] unlink("./61/binderfs" [pid 6193] close(7 [pid 5840] rmdir("./59" [pid 5838] <... unlink resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 6193] close(8 [pid 5838] umount2("./61/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./60", 0777 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6193] close(9 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./61/cgroup.net", [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6193] close(10 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] unlink("./61/cgroup.net"./strace-static-x86_64: Process 6195 attached [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6195] set_robust_list(0x5555617a06a0, 24 [pid 5839] unlink("./58/cgroup" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] <... set_robust_list resumed>) = 0 [pid 6193] close(11 [pid 5839] <... unlink resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] getdents64(3, [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(3, "", [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6193] close(12 [pid 5839] close(3 [pid 5838] umount2("./61/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 5839] rmdir("./58" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6193] close(13 [pid 5839] <... rmdir resumed>) = 0 [pid 5835] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6195] chdir("./60" [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir("./59", 0777 [pid 5838] newfstatat(AT_FDCWD, "./61/cgroup.cpu", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6193] close(14 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./61/binderfs", [pid 6195] <... chdir resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./61/cgroup.cpu" [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6193] close(15 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 63 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6195] <... prctl resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] umount2("./61/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6195] setpgid(0, 0 [pid 6193] close(16 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./61/binderfs" [pid 6195] <... setpgid resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./61/cgroup", [pid 6193] close(17 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5838] unlink("./61/cgroup" [pid 6193] close(18 [pid 5838] <... unlink resumed>) = 0 [pid 5835] umount2("./61/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6195] <... symlink resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] close(19 [pid 5838] getdents64(3, [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6193] close(20) = -1 EBADF (Bad file descriptor) [pid 5838] close(3 [pid 6193] close(21 [pid 5838] <... close resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] close(22 [pid 5838] rmdir("./61" [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rmdir resumed>) = 0 [pid 6193] close(23) = -1 EBADF (Bad file descriptor) [pid 6193] close(24 [pid 5838] mkdir("./62", 0777) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] close(25) = -1 EBADF (Bad file descriptor) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6193] close(26./strace-static-x86_64: Process 6196 attached [pid 6195] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6193] close(27 [pid 5835] newfstatat(AT_FDCWD, "./61/cgroup.net", [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] close(28 [pid 6195] <... symlink resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] close(29 [pid 6195] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./61/cgroup.net" [pid 6195] <... symlink resumed>) = 0 [pid 6193] exit_group(0 [pid 5835] <... unlink resumed>) = 0 [pid 6193] <... exit_group resumed>) = ? [pid 5835] umount2("./61/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6197 attached [pid 6196] set_robust_list(0x5555617a06a0, 24 [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 62 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 65 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] set_robust_list(0x5555617a06a0, 24 [pid 6196] <... set_robust_list resumed>) = 0 [pid 6195] <... openat resumed>) = 3 [pid 5835] newfstatat(AT_FDCWD, "./61/cgroup.cpu", [pid 6197] <... set_robust_list resumed>) = 0 [pid 6196] chdir("./59" [pid 6195] write(3, "1000", 4 [pid 6193] +++ exited with 0 +++ [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6197] chdir("./62" [pid 6196] <... chdir resumed>) = 0 [pid 6195] <... write resumed>) = 4 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] unlink("./61/cgroup.cpu" [pid 6197] <... chdir resumed>) = 0 [pid 6196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6195] close(3 [pid 5835] <... unlink resumed>) = 0 [pid 6197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6196] <... prctl resumed>) = 0 [pid 6195] <... close resumed>) = 0 [pid 5835] umount2("./61/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6197] <... prctl resumed>) = 0 [pid 6196] setpgid(0, 0 [pid 6195] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] setpgid(0, 0 [pid 6196] <... setpgid resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./61/cgroup", [pid 6197] <... setpgid resumed>) = 0 [pid 6197] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6197] <... symlink resumed>) = 0 [pid 6196] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6195] <... symlink resumed>) = 0 [pid 5835] unlink("./61/cgroup" [pid 6197] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6196] <... symlink resumed>) = 0 [pid 6197] <... symlink resumed>) = 0 [pid 6195] write(1, "executing program\n", 18 [pid 5835] <... unlink resumed>) = 0 executing program [pid 6197] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6196] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6195] <... write resumed>) = 18 [pid 5835] getdents64(3, [pid 6197] <... symlink resumed>) = 0 [pid 6195] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6196] <... symlink resumed>) = 0 [pid 6195] <... socket resumed>) = 3 [pid 5835] close(3 [pid 6195] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6196] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5835] <... close resumed>) = 0 [pid 6195] <... sendto resumed>) = 32 [pid 5835] rmdir("./61" [pid 6195] recvfrom(3, [pid 5835] <... rmdir resumed>) = 0 [pid 6195] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=63}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6197] <... openat resumed>) = 3 [pid 6196] <... symlink resumed>) = 0 [pid 6195] recvfrom(3, [pid 5835] mkdir("./62", 0777 [pid 6197] write(3, "1000", 4 [pid 6196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6195] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=63}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6197] <... write resumed>) = 4 [pid 6196] <... openat resumed>) = 3 [pid 6195] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... mkdir resumed>) = 0 [pid 6197] close(3 [pid 6196] write(3, "1000", 4 [pid 5842] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6197] <... close resumed>) = 0 [pid 6196] <... write resumed>) = 4 [pid 6195] <... close resumed>) = 0 [pid 6195] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6195] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0"./strace-static-x86_64: Process 6198 attached [pid 6197] symlink("/dev/binderfs", "./binderfs" [pid 6196] close(3 [pid 5842] <... openat resumed>) = 3 [pid 6196] <... close resumed>) = 0 [pid 6195] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] newfstatat(3, "", [pid 6198] set_robust_list(0x5555617a06a0, 24 [pid 6197] <... symlink resumed>) = 0 [pid 6196] symlink("/dev/binderfs", "./binderfs" [pid 6195] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 65 [pid 6198] <... set_robust_list resumed>) = 0 executing program executing program [pid 6197] write(1, "executing program\n", 18 [pid 6196] <... symlink resumed>) = 0 [pid 6195] <... sendmsg resumed>) = 44 [pid 6198] chdir("./62" [pid 5842] getdents64(3, [pid 6198] <... chdir resumed>) = 0 [pid 6197] <... write resumed>) = 18 [pid 6195] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6196] write(1, "executing program\n", 18) = 18 [pid 6196] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6195] <... openat resumed>) = 4 [pid 5842] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6197] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6196] <... socket resumed>) = 3 [pid 6196] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6197] <... socket resumed>) = 3 [pid 6196] <... sendto resumed>) = 32 [pid 6195] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6198] <... prctl resumed>) = 0 [pid 6197] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] newfstatat(AT_FDCWD, "./62/binderfs", [pid 6198] setpgid(0, 0 [pid 6195] <... openat resumed>) = 5 [pid 6196] recvfrom(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6196] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=62}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6198] <... setpgid resumed>) = 0 [pid 6197] <... sendto resumed>) = 32 [pid 6196] recvfrom(3, [pid 6195] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] unlink("./62/binderfs" [pid 6196] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=62}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6198] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6196] close(3 [pid 5842] <... unlink resumed>) = 0 [pid 6198] <... symlink resumed>) = 0 [pid 6196] <... close resumed>) = 0 [pid 6196] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6196] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6196] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6196] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6198] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6197] recvfrom(3, [pid 5842] umount2("./62/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6198] <... symlink resumed>) = 0 [pid 6197] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=65}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6196] <... openat resumed>) = 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6198] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6197] recvfrom(3, [pid 6196] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] newfstatat(AT_FDCWD, "./62/cgroup.net", [pid 6197] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=65}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6198] <... symlink resumed>) = 0 [pid 6197] close(3 [pid 6196] <... openat resumed>) = 5 [pid 6198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6197] <... close resumed>) = 0 [pid 6196] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] unlink("./62/cgroup.net" [pid 6198] <... openat resumed>) = 3 [pid 6197] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... unlink resumed>) = 0 [pid 6198] write(3, "1000", 4 [pid 6197] <... socket resumed>) = 3 [pid 6198] <... write resumed>) = 4 [pid 5842] umount2("./62/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6198] close(3 [pid 6197] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6198] <... close resumed>) = 0 [pid 6197] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] newfstatat(AT_FDCWD, "./62/cgroup.cpu", [pid 6197] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6198] symlink("/dev/binderfs", "./binderfs" [pid 6197] <... sendmsg resumed>) = 44 [pid 5842] unlink("./62/cgroup.cpu" [pid 6198] <... symlink resumed>) = 0 [pid 6197] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6195] <... writev resumed>) = 61440 [pid 5842] <... unlink resumed>) = 0 [pid 6195] close(3) = 0 [pid 6197] <... openat resumed>) = 4 [pid 6195] close(4) = 0 [pid 6195] close(5) = 0 [pid 5842] umount2("./62/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6195] close(6) = -1 EBADF (Bad file descriptor) [pid 6195] close(7) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] close(8 [pid 5842] newfstatat(AT_FDCWD, "./62/cgroup", [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(9 [pid 6197] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6196] <... writev resumed>) = 61440 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(3 [pid 6195] close(10) = -1 EBADF (Bad file descriptor) executing program [pid 6198] write(1, "executing program\n", 18 [pid 6197] <... openat resumed>) = 5 [pid 6196] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6198] <... write resumed>) = 18 [pid 6197] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6196] close(4 [pid 6195] close(11 [pid 5842] unlink("./62/cgroup" [pid 6196] <... close resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(5 [pid 6195] close(12 [pid 5842] <... unlink resumed>) = 0 [pid 6198] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6196] <... close resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 6195] close(13 [pid 6196] close(6 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] <... socket resumed>) = 3 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(14 [pid 6196] close(7 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(15 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6198] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6197] <... writev resumed>) = 61440 [pid 6196] close(8 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 6197] close(3 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(16 [pid 6196] close(9 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] <... close resumed>) = 0 [pid 6197] close(4 [pid 6196] close(10 [pid 6195] close(17 [pid 5842] rmdir("./62" [pid 6198] <... sendto resumed>) = 32 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] <... close resumed>) = 0 [pid 6196] close(11 [pid 6195] close(18 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] recvfrom(3, [pid 6196] close(12 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 6198] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=65}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(19 [pid 6197] close(5 [pid 6196] close(13 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./63", 0777 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(14 [pid 6195] close(20 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] recvfrom(3, [pid 6196] close(15 [pid 6195] close(21 [pid 5842] <... mkdir resumed>) = 0 [pid 6198] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=65}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6197] <... close resumed>) = 0 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6198] close(3 [pid 6197] close(6 [pid 6196] close(16 [pid 6195] close(22 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] close(7 [pid 6196] close(17 [pid 6195] close(23 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] close(8 [pid 6196] close(18 [pid 6195] close(24 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(19 [pid 6195] close(25 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(20 [pid 6195] close(26 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(21 [pid 6195] close(27 [pid 6198] <... close resumed>) = 0 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(22 [pid 6195] close(28 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] close(23 [pid 6195] close(29 [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6197] close(9 [pid 6198] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6196] close(24 [pid 6198] <... socket resumed>) = 3 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] exit_group(0 [pid 6198] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6197] close(10 [pid 6196] close(25 [pid 6195] <... exit_group resumed>) = ? [pid 6198] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6199 attached [pid 6198] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6197] close(11 [pid 6196] close(26 [pid 6199] set_robust_list(0x5555617a06a0, 24 [pid 6198] <... sendmsg resumed>) = 44 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 66 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6198] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6197] close(12 [pid 6196] close(27 [pid 6195] +++ exited with 0 +++ [pid 6199] chdir("./63" [pid 6198] <... openat resumed>) = 4 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6199] <... chdir resumed>) = 0 [pid 6198] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6197] close(13 [pid 6196] close(28 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6198] <... openat resumed>) = 5 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... prctl resumed>) = 0 [pid 6198] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6197] close(14 [pid 6196] close(29 [pid 6199] setpgid(0, 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... restart_syscall resumed>) = 0 [pid 6199] <... setpgid resumed>) = 0 [pid 6197] close(15 [pid 6199] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] exit_group(0 [pid 6199] <... symlink resumed>) = 0 [pid 6197] close(16 [pid 6196] <... exit_group resumed>) = ? [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] +++ exited with 0 +++ [pid 6197] close(17 [pid 6199] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6199] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6197] close(18 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6199] write(3, "1000", 4) = 4 [pid 6199] close(3) = 0 [pid 6199] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... restart_syscall resumed>) = 0 [pid 6197] close(19 executing program [pid 6199] write(1, "executing program\n", 18 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... write resumed>) = 18 [pid 6199] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6197] close(20 [pid 5840] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6199] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... sendto resumed>) = 32 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6199] recvfrom(3, [pid 6197] close(21 [pid 5840] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6199] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=66}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 6199] recvfrom(3, [pid 6197] close(22 [pid 5839] newfstatat(3, "", [pid 6199] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=66}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5840] newfstatat(3, "", [pid 6199] close(3 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6199] <... close resumed>) = 0 [pid 6197] close(23 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 6199] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6197] close(24 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6199] <... socket resumed>) = 3 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6199] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6197] close(25 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6199] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6197] close(26 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./59/binderfs" [pid 6199] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./60/binderfs" [pid 5839] <... unlink resumed>) = 0 [pid 6199] <... sendmsg resumed>) = 44 [pid 6197] close(27 [pid 6199] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./59/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6199] <... openat resumed>) = 4 [pid 6197] close(28 [pid 5840] umount2("./60/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6197] close(29 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./59/cgroup.net", [pid 6199] <... openat resumed>) = 5 [pid 6197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./60/cgroup.net", [pid 6199] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6197] exit_group(0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6197] <... exit_group resumed>) = ? [pid 5840] unlink("./60/cgroup.net") = 0 [pid 5839] unlink("./59/cgroup.net" [pid 6197] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] umount2("./60/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./60/cgroup.cpu", [pid 5839] umount2("./59/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] unlink("./60/cgroup.cpu" [pid 5839] newfstatat(AT_FDCWD, "./59/cgroup.cpu", [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5840] umount2("./60/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./59/cgroup.cpu" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(AT_FDCWD, "./60/cgroup", [pid 5838] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./59/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./60/cgroup" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./59/cgroup", [pid 5838] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(3) = 0 [pid 5839] unlink("./59/cgroup" [pid 5838] unlink("./62/binderfs" [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5840] rmdir("./60" [pid 5839] getdents64(3, [pid 5840] <... rmdir resumed>) = 0 [pid 5840] mkdir("./61", 0777 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./62/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... mkdir resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./62/cgroup.net", [pid 5839] close(3) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] rmdir("./59" [pid 5838] unlink("./62/cgroup.net" [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5839] mkdir("./60", 0777 [pid 5838] umount2("./62/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6200 attached [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6200] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 64 [pid 5838] unlink("./62/cgroup.cpu" [pid 6200] <... set_robust_list resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5838] umount2("./62/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6200] chdir("./61" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./62/cgroup", [pid 6200] <... chdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] unlink("./62/cgroup" [pid 6200] <... prctl resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6200] setpgid(0, 0) = 0 [pid 6200] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5838] getdents64(3, [pid 6200] <... symlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6201 attached [pid 5838] close(3) = 0 [pid 6201] set_robust_list(0x5555617a06a0, 24 [pid 6200] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 63 [pid 5838] rmdir("./62" [pid 6201] <... set_robust_list resumed>) = 0 [pid 6201] chdir("./60" [pid 6200] <... symlink resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6200] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6201] <... chdir resumed>) = 0 [pid 6200] <... symlink resumed>) = 0 [pid 5838] mkdir("./63", 0777 [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... mkdir resumed>) = 0 [pid 6201] <... prctl resumed>) = 0 [pid 6201] setpgid(0, 0 [pid 6200] <... openat resumed>) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6200] write(3, "1000", 4 [pid 6201] <... setpgid resumed>) = 0 [pid 6201] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6200] <... write resumed>) = 4 [pid 6201] <... symlink resumed>) = 0 [pid 6200] close(3 [pid 6198] <... writev resumed>) = 61440 [pid 6198] close(3) = 0 [pid 6198] close(4 [pid 6200] <... close resumed>) = 0 [pid 6198] <... close resumed>) = 0 [pid 6201] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6200] symlink("/dev/binderfs", "./binderfs" [pid 6201] <... symlink resumed>) = 0 [pid 6200] <... symlink resumed>) = 0 [pid 6198] close(5executing program [pid 6201] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6200] write(1, "executing program\n", 18 [pid 6198] <... close resumed>) = 0 [pid 6201] <... symlink resumed>) = 0 [pid 6200] <... write resumed>) = 18 ./strace-static-x86_64: Process 6202 attached [pid 6200] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6198] close(6 [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6200] <... socket resumed>) = 3 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] set_robust_list(0x5555617a06a0, 24 [pid 6200] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6198] close(7 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 66 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6201] <... openat resumed>) = 3 [pid 6200] <... sendto resumed>) = 32 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] chdir("./63" [pid 6201] write(3, "1000", 4 [pid 6202] <... chdir resumed>) = 0 [pid 6201] <... write resumed>) = 4 [pid 6200] recvfrom(3, [pid 6198] close(8 [pid 6202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6201] close(3 [pid 6200] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=64}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... prctl resumed>) = 0 [pid 6201] <... close resumed>) = 0 [pid 6200] recvfrom(3, [pid 6198] close(9 [pid 6202] setpgid(0, 0 [pid 6201] symlink("/dev/binderfs", "./binderfs" [pid 6200] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=64}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... setpgid resumed>) = 0 [pid 6201] <... symlink resumed>) = 0 [pid 6200] close(3 [pid 6202] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6201] write(1, "executing program\n", 18 [pid 6200] <... close resumed>) = 0 [pid 6198] close(10 [pid 6202] <... symlink resumed>) = 0 [pid 6200] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERICexecuting program [pid 6202] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6201] <... write resumed>) = 18 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... symlink resumed>) = 0 [pid 6200] <... socket resumed>) = 3 [pid 6201] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6200] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6198] close(11 [pid 6202] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6201] <... socket resumed>) = 3 [pid 6200] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6202] <... symlink resumed>) = 0 [pid 6201] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6200] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6201] <... sendto resumed>) = 32 [pid 6200] <... sendmsg resumed>) = 44 [pid 6198] close(12 [pid 6202] <... openat resumed>) = 3 [pid 6201] recvfrom(3, [pid 6200] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] write(3, "1000", 4 [pid 6201] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=63}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6200] <... openat resumed>) = 4 [pid 6198] close(13 [pid 6202] <... write resumed>) = 4 [pid 6201] recvfrom(3, [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(3 [pid 6201] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=63}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6200] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6198] close(14 [pid 6202] <... close resumed>) = 0 [pid 6201] close(3 [pid 6200] <... openat resumed>) = 5 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] symlink("/dev/binderfs", "./binderfs" [pid 6201] <... close resumed>) = 0 [pid 6200] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6198] close(15 [pid 6202] <... symlink resumed>) = 0 executing program [pid 6201] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] write(1, "executing program\n", 18 [pid 6201] <... socket resumed>) = 3 [pid 6198] close(16 [pid 6202] <... write resumed>) = 18 [pid 6201] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6198] close(17) = -1 EBADF (Bad file descriptor) [pid 6198] close(18) = -1 EBADF (Bad file descriptor) [pid 6198] close(19) = -1 EBADF (Bad file descriptor) [pid 6201] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6198] close(20) = -1 EBADF (Bad file descriptor) [pid 6202] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6202] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6202] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=66}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6202] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=66}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6202] close(3) = 0 [pid 6202] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6201] <... sendmsg resumed>) = 44 [pid 6198] close(21 [pid 6202] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6201] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6201] <... openat resumed>) = 4 [pid 6198] close(22 [pid 6202] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... sendmsg resumed>) = 44 [pid 6201] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6198] close(23 [pid 6202] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... openat resumed>) = 5 [pid 6198] close(24 [pid 6202] <... openat resumed>) = 4 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6198] close(25 [pid 6202] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... writev resumed>) = 61440 [pid 6198] close(26 [pid 6202] <... openat resumed>) = 5 [pid 6199] close(3 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6199] <... close resumed>) = 0 [pid 6198] close(27 [pid 6199] close(4 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... close resumed>) = 0 [pid 6198] close(28 [pid 6199] close(5 [pid 6198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... close resumed>) = 0 [pid 6198] close(29) = -1 EBADF (Bad file descriptor) [pid 6199] close(6 [pid 6198] exit_group(0 [pid 6199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] <... exit_group resumed>) = ? [pid 6199] close(7) = -1 EBADF (Bad file descriptor) [pid 6199] close(8) = -1 EBADF (Bad file descriptor) [pid 6199] close(9) = -1 EBADF (Bad file descriptor) [pid 6199] close(10) = -1 EBADF (Bad file descriptor) [pid 6199] close(11) = -1 EBADF (Bad file descriptor) [pid 6199] close(12) = -1 EBADF (Bad file descriptor) [pid 6199] close(13) = -1 EBADF (Bad file descriptor) [pid 6199] close(14) = -1 EBADF (Bad file descriptor) [pid 6199] close(15) = -1 EBADF (Bad file descriptor) [pid 6199] close(16) = -1 EBADF (Bad file descriptor) [pid 6198] +++ exited with 0 +++ [pid 6199] close(17) = -1 EBADF (Bad file descriptor) [pid 6199] close(18) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6199] close(19) = -1 EBADF (Bad file descriptor) [pid 6199] close(20) = -1 EBADF (Bad file descriptor) [pid 6199] close(21 [pid 5835] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] close(22 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] close(23 [pid 5835] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6199] close(24) = -1 EBADF (Bad file descriptor) [pid 6199] close(25 [pid 5835] newfstatat(3, "", [pid 6199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6199] close(26) = -1 EBADF (Bad file descriptor) [pid 6199] close(27 [pid 5835] getdents64(3, [pid 6199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6199] close(28) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6199] close(29 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6199] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./62/binderfs", [pid 6199] exit_group(0) = ? [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6199] +++ exited with 0 +++ [pid 5835] unlink("./62/binderfs") = 0 [pid 5835] umount2("./62/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./62/cgroup.net") = 0 [pid 5835] umount2("./62/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./62/cgroup.cpu") = 0 [pid 5835] umount2("./62/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./62/cgroup", [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./62/cgroup") = 0 [pid 5842] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] close(3 [pid 6200] <... writev resumed>) = 61440 [pid 5842] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 6200] close(3 [pid 5835] rmdir("./62" [pid 6200] <... close resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 5835] <... rmdir resumed>) = 0 [pid 6200] close(4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] mkdir("./63", 0777 [pid 6202] <... writev resumed>) = 61440 [pid 6202] close(3 [pid 6200] <... close resumed>) = 0 [pid 5842] getdents64(3, [pid 5835] <... mkdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6201] <... writev resumed>) = 61440 ./strace-static-x86_64: Process 6203 attached [pid 6202] <... close resumed>) = 0 [pid 6200] close(5 [pid 5842] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6203] set_robust_list(0x5555617a06a0, 24 [pid 6202] close(4 [pid 6201] close(3 [pid 6200] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] <... close resumed>) = 0 [pid 6201] <... close resumed>) = 0 [pid 6200] close(6 [pid 5842] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 66 [pid 6203] chdir("./63") = 0 [pid 6202] close(5 [pid 6201] close(4 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6202] <... close resumed>) = 0 [pid 6201] <... close resumed>) = 0 [pid 6200] close(7 [pid 6203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6202] close(6 [pid 6201] close(5 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./63/binderfs" [pid 6203] <... prctl resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6203] setpgid(0, 0 [pid 6202] close(7 [pid 6201] close(6 [pid 6200] close(8 [pid 5842] umount2("./63/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6203] <... setpgid resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6202] close(8 [pid 6200] close(9 [pid 5842] newfstatat(AT_FDCWD, "./63/cgroup.net", [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(7 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6203] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6202] close(9 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(10 [pid 5842] unlink("./63/cgroup.net" [pid 6203] <... symlink resumed>) = 0 [pid 6201] close(8 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(11 [pid 5842] <... unlink resumed>) = 0 [pid 6203] <... symlink resumed>) = 0 [pid 6202] close(10 [pid 6201] close(9 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(12 [pid 5842] umount2("./63/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6203] <... openat resumed>) = 3 [pid 6202] close(11 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(10 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./63/cgroup.cpu", [pid 6203] write(3, "1000", 4 [pid 6202] close(12 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(13 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6203] <... write resumed>) = 4 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(11 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./63/cgroup.cpu" [pid 6203] close(3 [pid 6202] close(13 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(14 [pid 5842] <... unlink resumed>) = 0 [pid 6203] <... close resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(12 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] symlink("/dev/binderfs", "./binderfs" [pid 6202] close(14 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(15 [pid 5842] umount2("./63/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6203] <... symlink resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(13 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] write(1, "executing program\n", 18 [pid 6202] close(15executing program [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(16 [pid 5842] newfstatat(AT_FDCWD, "./63/cgroup", [pid 6203] <... write resumed>) = 18 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(14 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6203] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6202] close(16 [pid 6203] <... socket resumed>) = 3 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(17 [pid 5842] unlink("./63/cgroup" [pid 6203] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6202] close(17 [pid 6201] close(15 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6203] <... sendto resumed>) = 32 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(18 [pid 6203] recvfrom(3, [pid 6202] close(18 [pid 6201] close(16 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 6203] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=66}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(19 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6203] recvfrom(3, [pid 6202] close(19 [pid 6201] close(17 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 6203] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=66}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(20 [pid 5842] <... close resumed>) = 0 [pid 6203] close(3 [pid 6202] close(20 [pid 6201] close(18 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./63" [pid 6203] <... close resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(21 [pid 5842] <... rmdir resumed>) = 0 [pid 6203] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6202] close(21 [pid 6201] close(19 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./64", 0777 [pid 6203] <... socket resumed>) = 3 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(22 [pid 5842] <... mkdir resumed>) = 0 [pid 6203] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6202] close(22 [pid 6201] close(20 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6203] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(23 [pid 6203] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6202] close(23 [pid 6201] close(21 [pid 6203] <... sendmsg resumed>) = 44 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6202] close(24 [pid 6201] close(22 [pid 6200] close(24 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] close(25 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(23 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6204 attached [pid 6203] <... openat resumed>) = 4 [pid 6202] close(26 [pid 6200] close(25 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 67 [pid 6204] set_robust_list(0x5555617a06a0, 24 [pid 6203] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(24 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... set_robust_list resumed>) = 0 [pid 6203] <... openat resumed>) = 5 [pid 6202] close(27 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(26 [pid 6204] chdir("./64" [pid 6203] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(25 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... chdir resumed>) = 0 [pid 6202] close(28 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(27 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] close(26 [pid 6202] close(29 [pid 6204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] exit_group(0 [pid 6201] close(27) = -1 EBADF (Bad file descriptor) [pid 6201] close(28) = -1 EBADF (Bad file descriptor) [pid 6201] close(29 [pid 6204] <... prctl resumed>) = 0 [pid 6201] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] setpgid(0, 0 [pid 6201] exit_group(0 [pid 6204] <... setpgid resumed>) = 0 [pid 6201] <... exit_group resumed>) = ? [pid 6201] +++ exited with 0 +++ [pid 6204] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6204] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6200] close(28 [pid 6204] <... symlink resumed>) = 0 [pid 6204] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6204] write(3, "1000", 4) = 4 [pid 6204] close(3) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6204] symlink("/dev/binderfs", "./binderfs" [pid 6202] <... exit_group resumed>) = ? [pid 6200] close(29 [pid 5839] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6204] <... symlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] write(1, "executing program\n", 18executing program ) = 18 [pid 6202] +++ exited with 0 +++ [pid 5839] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6204] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] <... openat resumed>) = 3 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6204] <... socket resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6204] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6204] <... sendto resumed>) = 32 [pid 5839] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6204] recvfrom(3, [pid 5839] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... restart_syscall resumed>) = 0 [pid 6204] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=67}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=67}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6204] close(3 [pid 5838] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] <... close resumed>) = 0 [pid 6200] exit_group(0 [pid 5838] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6204] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6200] <... exit_group resumed>) = ? [pid 5839] unlink("./60/binderfs" [pid 5838] <... openat resumed>) = 3 [pid 6204] <... socket resumed>) = 3 [pid 6200] +++ exited with 0 +++ [pid 5839] <... unlink resumed>) = 0 [pid 5838] newfstatat(3, "", [pid 5839] umount2("./60/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6204] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6204] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5839] newfstatat(AT_FDCWD, "./60/cgroup.net", [pid 5838] getdents64(3, [pid 6204] <... sendmsg resumed>) = 44 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6204] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5839] unlink("./60/cgroup.net" [pid 5838] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6204] <... openat resumed>) = 4 [pid 5840] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./63/binderfs", [pid 6204] <... openat resumed>) = 5 [pid 5840] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./60/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6204] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... openat resumed>) = 3 [pid 5839] newfstatat(AT_FDCWD, "./60/cgroup.cpu", [pid 5838] unlink("./63/binderfs" [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] unlink("./60/cgroup.cpu" [pid 5838] umount2("./63/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./61/binderfs" [pid 5839] umount2("./60/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./63/cgroup.net", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./60/cgroup", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./63/cgroup.net" [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5840] umount2("./61/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./61/cgroup.net") = 0 [pid 5840] umount2("./61/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./61/cgroup.cpu") = 0 [pid 5840] umount2("./61/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./61/cgroup") = 0 [pid 6203] <... writev resumed>) = 61440 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./63/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6203] close(3 [pid 5840] getdents64(3, [pid 6203] <... close resumed>) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] unlink("./60/cgroup" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(3 [pid 6203] close(4 [pid 5840] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] rmdir("./61" [pid 6203] <... close resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5840] mkdir("./62", 0777) = 0 [pid 5838] newfstatat(AT_FDCWD, "./63/cgroup.cpu", [pid 6203] close(5 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6203] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 5838] unlink("./63/cgroup.cpu" [pid 6203] close(6 [pid 5838] <... unlink resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./63/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6203] close(7 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(8) = -1 EBADF (Bad file descriptor) [pid 6203] close(9) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./63/cgroup", ./strace-static-x86_64: Process 6205 attached [pid 6203] close(10 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6205] set_robust_list(0x5555617a06a0, 24 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 65 [pid 6205] <... set_robust_list resumed>) = 0 [pid 6203] close(11 [pid 5838] unlink("./63/cgroup" [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6203] close(12 [pid 6205] chdir("./62" [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6203] close(13 [pid 5838] getdents64(3, [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6203] close(14 [pid 5838] close(3) = 0 [pid 6205] <... chdir resumed>) = 0 [pid 5838] rmdir("./63" [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rmdir resumed>) = 0 [pid 6205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6203] close(15 [pid 5838] mkdir("./64", 0777 [pid 6205] <... prctl resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mkdir resumed>) = 0 [pid 6205] setpgid(0, 0 [pid 5839] close(3 [pid 6205] <... setpgid resumed>) = 0 [pid 6203] close(16 [pid 6205] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6205] <... symlink resumed>) = 0 [pid 6203] close(17) = -1 EBADF (Bad file descriptor) [pid 6203] close(18) = -1 EBADF (Bad file descriptor) [pid 6205] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6203] close(19 [pid 6205] <... symlink resumed>) = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(20 [pid 6205] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... close resumed>) = 0 [pid 6205] <... symlink resumed>) = 0 [pid 6203] close(21 [pid 5839] rmdir("./60") = 0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(22) = -1 EBADF (Bad file descriptor) [pid 6203] close(23) = -1 EBADF (Bad file descriptor) [pid 6203] close(24) = -1 EBADF (Bad file descriptor) [pid 6203] close(25) = -1 EBADF (Bad file descriptor) [pid 6203] close(26) = -1 EBADF (Bad file descriptor) [pid 6203] close(27 [pid 6205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... openat resumed>) = 3 [pid 6203] close(28) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6206 attached [pid 6203] close(29 [pid 6205] write(3, "1000", 4 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... write resumed>) = 4 [pid 6203] exit_group(0 [pid 6206] set_robust_list(0x5555617a06a0, 24 [pid 6205] close(3 [pid 6203] <... exit_group resumed>) = ? [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 67 [pid 6205] <... close resumed>) = 0 [pid 6205] symlink("/dev/binderfs", "./binderfs" [pid 6203] +++ exited with 0 +++ [pid 6206] <... set_robust_list resumed>) = 0 [pid 6205] <... symlink resumed>) = 0 [pid 6206] chdir("./64" [pid 6205] write(1, "executing program\n", 18 [pid 5839] mkdir("./61", 0777 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6206] <... chdir resumed>) = 0 executing program [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6205] <... write resumed>) = 18 [pid 6206] <... prctl resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 6206] setpgid(0, 0 [pid 6205] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6206] <... setpgid resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6206] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6205] <... socket resumed>) = 3 [pid 6206] <... symlink resumed>) = 0 [pid 6205] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12./strace-static-x86_64: Process 6207 attached [pid 6206] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6205] <... sendto resumed>) = 32 [pid 6206] <... symlink resumed>) = 0 [pid 6205] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=65}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6206] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6205] recvfrom(3, [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 64 [pid 6207] set_robust_list(0x5555617a06a0, 24 [pid 6206] <... symlink resumed>) = 0 [pid 6205] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=65}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5835] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] <... set_robust_list resumed>) = 0 [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] close(3 [pid 6207] chdir("./61" [pid 6206] <... openat resumed>) = 3 [pid 6205] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] <... chdir resumed>) = 0 [pid 6206] write(3, "1000", 4 [pid 6205] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6206] <... write resumed>) = 4 [pid 6205] <... socket resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 6207] <... prctl resumed>) = 0 [pid 6206] close(3 [pid 6205] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6204] <... writev resumed>) = 61440 [pid 6207] setpgid(0, 0 [pid 6206] <... close resumed>) = 0 [pid 6205] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6204] close(3 [pid 5835] newfstatat(3, "", [pid 6207] <... setpgid resumed>) = 0 [pid 6206] symlink("/dev/binderfs", "./binderfs" [pid 6205] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6204] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6207] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6206] <... symlink resumed>) = 0 [pid 6205] <... sendmsg resumed>) = 44 [pid 6204] close(4 [pid 5835] getdents64(3, [pid 6207] <... symlink resumed>) = 0 [pid 6205] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 executing program [pid 6206] write(1, "executing program\n", 18 [pid 6205] <... openat resumed>) = 4 [pid 6204] <... close resumed>) = 0 [pid 5835] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6204] close(5 [pid 6207] <... symlink resumed>) = 0 [pid 6206] <... write resumed>) = 18 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6206] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6205] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6204] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./63/binderfs", [pid 6207] <... symlink resumed>) = 0 [pid 6205] <... openat resumed>) = 5 [pid 6205] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6206] <... socket resumed>) = 3 [pid 6204] close(6 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6206] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./63/binderfs" [pid 6207] <... openat resumed>) = 3 [pid 6206] <... sendto resumed>) = 32 [pid 6204] close(7 [pid 6206] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=67}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6206] recvfrom(3, [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=67}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6204] close(8 [pid 6206] close(3 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = 0 [pid 6204] close(9 [pid 6206] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... socket resumed>) = 3 [pid 6204] close(10) = -1 EBADF (Bad file descriptor) [pid 6204] close(11) = -1 EBADF (Bad file descriptor) [pid 6204] close(12 [pid 6206] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6204] close(13 [pid 6206] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... sendmsg resumed>) = 44 [pid 6204] close(14 [pid 5835] <... unlink resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] write(3, "1000", 4 [pid 6206] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6204] close(15 [pid 5835] umount2("./63/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] <... write resumed>) = 4 [pid 6206] <... openat resumed>) = 4 [pid 6207] close(3 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] <... close resumed>) = 0 [pid 6206] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6204] close(16 [pid 6207] symlink("/dev/binderfs", "./binderfs" [pid 6206] <... openat resumed>) = 5 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./63/cgroup.net", [pid 6207] <... symlink resumed>) = 0 [pid 6204] close(17 [pid 6206] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6207] write(1, "executing program\n", 18executing program ) = 18 [pid 6204] close(18 [pid 5835] unlink("./63/cgroup.net" [pid 6207] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6204] close(19 [pid 5835] umount2("./63/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] <... socket resumed>) = 3 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./63/cgroup.cpu", [pid 6207] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6204] close(20 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6205] <... writev resumed>) = 61440 [pid 6207] <... sendto resumed>) = 32 [pid 6207] recvfrom(3, [pid 6205] close(3) = 0 [pid 6205] close(4 [pid 6207] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=64}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./63/cgroup.cpu" [pid 6207] recvfrom(3, [pid 6205] <... close resumed>) = 0 [pid 6207] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=64}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5835] <... unlink resumed>) = 0 [pid 6207] close(3 [pid 6205] close(5 [pid 6204] close(21 [pid 6207] <... close resumed>) = 0 [pid 6205] <... close resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./63/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6207] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6205] close(6 [pid 6204] close(22 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./63/cgroup", [pid 6205] close(7 [pid 6204] close(23 [pid 6207] <... socket resumed>) = 3 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6205] close(8 [pid 6204] close(24 [pid 6207] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./63/cgroup" [pid 6207] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6204] close(25 [pid 6205] close(9 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6207] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(26 [pid 6207] <... sendmsg resumed>) = 44 [pid 6205] close(10 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./63") = 0 [pid 6207] <... openat resumed>) = 4 [pid 6204] close(27 [pid 5835] mkdir("./64", 0777 [pid 6207] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6205] close(11) = -1 EBADF (Bad file descriptor) [pid 6204] close(28 [pid 6207] <... openat resumed>) = 5 [pid 6205] close(12 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(29 [pid 6205] close(13) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6205] close(14 [pid 6204] exit_group(0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6208 attached [pid 6206] <... writev resumed>) = 61440 [pid 6204] +++ exited with 0 +++ [pid 6208] set_robust_list(0x5555617a06a0, 24 [pid 6206] close(3 [pid 6205] close(15 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 67 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6208] <... set_robust_list resumed>) = 0 [pid 6206] <... close resumed>) = 0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] chdir("./64" [pid 6205] close(16 [pid 6208] <... chdir resumed>) = 0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6205] close(17 [pid 6208] <... prctl resumed>) = 0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(18 [pid 5842] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6208] setpgid(0, 0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... setpgid resumed>) = 0 [pid 6205] close(19 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... symlink resumed>) = 0 [pid 6205] close(20 [pid 5842] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6208] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6206] close(4 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... openat resumed>) = 3 [pid 6208] <... symlink resumed>) = 0 [pid 6208] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6206] <... close resumed>) = 0 [pid 6205] close(21 [pid 5842] newfstatat(3, "", [pid 6208] <... symlink resumed>) = 0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] close(22 [pid 5842] getdents64(3, [pid 6208] <... openat resumed>) = 3 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6205] close(23 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] write(3, "1000", 4 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6208] <... write resumed>) = 4 [pid 6205] close(24 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(3 [pid 6205] close(25 [pid 5842] unlink("./64/binderfs" [pid 6208] <... close resumed>) = 0 [pid 6206] close(5 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6208] symlink("/dev/binderfs", "./binderfs" [pid 6206] <... close resumed>) = 0 [pid 6208] <... symlink resumed>) = 0 [pid 6206] close(6 [pid 6205] close(26 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./64/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6208] write(1, "executing program\n", 18 [pid 6206] close(7executing program [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] <... write resumed>) = 18 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(27 [pid 5842] newfstatat(AT_FDCWD, "./64/cgroup.net", [pid 6208] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6206] close(8 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... socket resumed>) = 3 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(28 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6208] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6206] close(9 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./64/cgroup.net" [pid 6208] <... sendto resumed>) = 32 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] recvfrom(3, [pid 6206] close(10 [pid 6205] close(29 [pid 5842] <... unlink resumed>) = 0 [pid 6208] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=67}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./64/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6208] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=67}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6206] close(11 [pid 6205] exit_group(0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] close(3 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./64/cgroup.cpu", [pid 6208] <... close resumed>) = 0 [pid 6206] close(12 [pid 6205] <... exit_group resumed>) = ? [pid 6208] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] +++ exited with 0 +++ [pid 6206] close(13 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6208] <... socket resumed>) = 3 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./64/cgroup.cpu" [pid 6208] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6206] close(14 [pid 5842] <... unlink resumed>) = 0 [pid 6208] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./64/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6208] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6206] close(15 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... sendmsg resumed>) = 44 [pid 6206] close(16 [pid 5842] newfstatat(AT_FDCWD, "./64/cgroup", [pid 6208] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6208] <... openat resumed>) = 4 [pid 6206] close(17 [pid 5842] unlink("./64/cgroup" [pid 6208] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6208] <... openat resumed>) = 5 [pid 6206] close(18 [pid 6208] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 6206] close(19 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6206] close(20 [pid 5842] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./64" [pid 5840] <... openat resumed>) = 3 [pid 6206] close(21) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 6206] close(22 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./65", 0777 [pid 6207] <... writev resumed>) = 61440 [pid 5840] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./62/binderfs" [pid 6207] close(3 [pid 6206] close(23 [pid 5842] <... mkdir resumed>) = 0 [pid 6207] <... close resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... unlink resumed>) = 0 [pid 6206] close(24 [pid 5840] umount2("./62/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6209 attached [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] set_robust_list(0x5555617a06a0, 24 [pid 6206] close(25 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 68 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./62/cgroup.net", [pid 6209] <... set_robust_list resumed>) = 0 [pid 6206] close(26) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6206] close(27 [pid 5840] unlink("./62/cgroup.net" [pid 6207] close(4 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6209] chdir("./65" [pid 6207] <... close resumed>) = 0 [pid 6206] close(28 [pid 6207] close(5 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./62/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6209] <... chdir resumed>) = 0 [pid 6207] <... close resumed>) = 0 [pid 6206] close(29 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./62/cgroup.cpu", [pid 6206] exit_group(0 [pid 6207] close(6 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... exit_group resumed>) = ? [pid 5840] unlink("./62/cgroup.cpu" [pid 6207] close(7 [pid 6209] <... prctl resumed>) = 0 [pid 6206] +++ exited with 0 +++ [pid 6209] setpgid(0, 0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6209] <... setpgid resumed>) = 0 [pid 6207] close(8 [pid 5840] umount2("./62/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6209] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] close(9 [pid 5840] newfstatat(AT_FDCWD, "./62/cgroup", [pid 6209] <... symlink resumed>) = 0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6207] close(10 [pid 5840] unlink("./62/cgroup" [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6207] close(11) = -1 EBADF (Bad file descriptor) [pid 6207] close(12 [pid 5840] getdents64(3, [pid 6209] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6209] <... symlink resumed>) = 0 [pid 6207] close(13 [pid 5840] close(3 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 6209] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6207] close(14 [pid 5840] rmdir("./62" [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6209] <... symlink resumed>) = 0 [pid 6209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 6209] <... openat resumed>) = 3 [pid 6209] write(3, "1000", 4 [pid 6207] close(15) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./63", 0777 [pid 6209] <... write resumed>) = 4 [pid 6207] close(16 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6209] close(3 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6209] <... close resumed>) = 0 [pid 6207] close(17) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6210 attached [pid 6209] symlink("/dev/binderfs", "./binderfs" [pid 6207] close(18 [pid 5838] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6209] <... symlink resumed>) = 0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... openat resumed>) = 3 [pid 6210] set_robust_list(0x5555617a06a0, 24 [pid 6209] write(1, "executing program\n", 18executing program [pid 6207] close(19 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 66 [pid 5838] newfstatat(3, "", [pid 6209] <... write resumed>) = 18 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6209] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6207] close(20 [pid 5838] getdents64(3, [pid 6210] chdir("./63" [pid 6209] <... socket resumed>) = 3 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6209] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6207] close(21 [pid 6210] <... chdir resumed>) = 0 [pid 6209] <... sendto resumed>) = 32 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] recvfrom(3, [pid 6207] close(22 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] <... prctl resumed>) = 0 [pid 6209] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=68}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6210] setpgid(0, 0 [pid 6209] recvfrom(3, [pid 6207] close(23 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6210] <... setpgid resumed>) = 0 [pid 6209] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=68}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./64/binderfs" [pid 6210] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6209] close(3 [pid 6208] <... writev resumed>) = 61440 [pid 6207] close(24 [pid 5838] <... unlink resumed>) = 0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... close resumed>) = 0 [pid 6208] close(3 [pid 6207] close(25 [pid 5838] umount2("./64/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6210] <... symlink resumed>) = 0 [pid 6209] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6208] <... close resumed>) = 0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6209] <... socket resumed>) = 3 [pid 6207] close(26 [pid 5838] newfstatat(AT_FDCWD, "./64/cgroup.net", [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6208] close(4 [pid 6207] close(27 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6209] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6208] <... close resumed>) = 0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6208] close(5 [pid 6210] <... symlink resumed>) = 0 [pid 6207] close(28 [pid 5838] unlink("./64/cgroup.net" [pid 6210] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6209] <... sendmsg resumed>) = 44 [pid 6208] <... close resumed>) = 0 [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6210] <... symlink resumed>) = 0 [pid 6209] <... openat resumed>) = 4 [pid 6207] close(29 [pid 5838] <... unlink resumed>) = 0 [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./64/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6208] close(6) = -1 EBADF (Bad file descriptor) [pid 6208] close(7 [pid 6207] exit_group(0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6209] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... exit_group resumed>) = ? [pid 5838] newfstatat(AT_FDCWD, "./64/cgroup.cpu", [pid 6210] <... openat resumed>) = 3 [pid 6209] <... openat resumed>) = 5 [pid 6208] close(8) = -1 EBADF (Bad file descriptor) [pid 6210] write(3, "1000", 4 [pid 6208] close(9 [pid 6210] <... write resumed>) = 4 [pid 6209] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6210] close(3 [pid 5838] unlink("./64/cgroup.cpu" [pid 6210] <... close resumed>) = 0 [pid 6208] close(10 [pid 6207] +++ exited with 0 +++ [pid 6210] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... unlink resumed>) = 0 [pid 6210] <... symlink resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5838] umount2("./64/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6210] write(1, "executing program\n", 18 [pid 6208] close(11 [pid 6210] <... write resumed>) = 18 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6208] close(12 [pid 5838] newfstatat(AT_FDCWD, "./64/cgroup", [pid 6210] <... socket resumed>) = 3 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6208] close(13) = -1 EBADF (Bad file descriptor) [pid 6208] close(14 [pid 6210] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./64/cgroup" [pid 6210] <... sendto resumed>) = 32 [pid 6208] close(15 [pid 5839] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... unlink resumed>) = 0 [pid 6210] recvfrom(3, [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=66}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] <... openat resumed>) = 3 [pid 6210] recvfrom(3, [pid 5839] newfstatat(3, "", [pid 5838] getdents64(3, [pid 6210] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=66}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6208] close(16 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6210] close(3 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] close(3 [pid 6210] <... close resumed>) = 0 [pid 6208] close(17 [pid 5839] getdents64(3, [pid 5838] <... close resumed>) = 0 [pid 6210] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] rmdir("./64" [pid 6210] <... socket resumed>) = 3 [pid 6209] <... writev resumed>) = 61440 [pid 6208] close(18 [pid 5839] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 6210] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6209] close(3 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] mkdir("./65", 0777 [pid 6210] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6209] <... close resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5838] <... mkdir resumed>) = 0 [pid 6210] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6208] close(19 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6210] <... sendmsg resumed>) = 44 [pid 6209] close(4 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./61/binderfs" [pid 6210] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6209] <... close resumed>) = 0 [pid 6208] close(20) = -1 EBADF (Bad file descriptor) [pid 6209] close(5 [pid 6208] close(21 [pid 6210] <... openat resumed>) = 4 [pid 6209] <... close resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6209] close(6 [pid 6208] close(22 [pid 5839] umount2("./61/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(23 [pid 6209] close(7 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(24 [pid 6209] close(8 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(25 [pid 6210] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6209] close(9 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... openat resumed>) = 5 [pid 6209] close(10 [pid 5839] newfstatat(AT_FDCWD, "./61/cgroup.net", [pid 6210] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2./strace-static-x86_64: Process 6211 attached [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(26 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6211] set_robust_list(0x5555617a06a0, 24 [pid 6209] close(11 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./61/cgroup.net" [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 68 [pid 6211] <... set_robust_list resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(27 [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./61/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6211] chdir("./65" [pid 6209] close(12 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6211] <... chdir resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(28 [pid 5839] newfstatat(AT_FDCWD, "./61/cgroup.cpu", [pid 6209] close(13 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] close(29 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6211] <... prctl resumed>) = 0 [pid 6209] close(14 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./61/cgroup.cpu" [pid 6211] setpgid(0, 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] exit_group(0 [pid 6211] <... setpgid resumed>) = 0 [pid 6209] close(15 [pid 6208] <... exit_group resumed>) = ? [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(16 [pid 6208] +++ exited with 0 +++ [pid 6211] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5839] <... unlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... symlink resumed>) = 0 [pid 6209] close(17) = -1 EBADF (Bad file descriptor) [pid 6209] close(18) = -1 EBADF (Bad file descriptor) [pid 6209] close(19) = -1 EBADF (Bad file descriptor) [pid 6211] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6209] close(20 [pid 6211] <... symlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6209] close(21 [pid 6211] <... symlink resumed>) = 0 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] close(22) = -1 EBADF (Bad file descriptor) [pid 6209] close(23 [pid 6211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... openat resumed>) = 3 [pid 6209] close(24) = -1 EBADF (Bad file descriptor) [pid 6209] close(25 [pid 6211] write(3, "1000", 4 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... write resumed>) = 4 [pid 6209] close(26) = -1 EBADF (Bad file descriptor) [pid 6209] close(27 [pid 6211] close(3 [pid 6209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = 0 [pid 6209] close(28) = -1 EBADF (Bad file descriptor) [pid 6211] symlink("/dev/binderfs", "./binderfs" [pid 6209] close(29) = -1 EBADF (Bad file descriptor) [pid 6209] exit_group(0 [pid 6211] <... symlink resumed>) = 0 [pid 6209] <... exit_group resumed>) = ? [pid 5839] umount2("./61/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6211] write(1, "executing program\n", 18 [pid 6209] +++ exited with 0 +++ [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6211] <... write resumed>) = 18 [pid 5839] newfstatat(AT_FDCWD, "./61/cgroup", [pid 6211] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./61/cgroup" [pid 5835] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 6211] <... socket resumed>) = 3 [pid 6211] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] getdents64(3, [pid 5835] newfstatat(3, "", [pid 6211] <... sendto resumed>) = 32 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6211] recvfrom(3, [pid 5839] close(3 [pid 6211] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=68}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 6211] recvfrom(3, [pid 5842] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./61" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6211] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=68}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6211] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... rmdir resumed>) = 0 [pid 5835] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6211] <... close resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6211] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... openat resumed>) = 3 [pid 5839] mkdir("./62", 0777 [pid 5835] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6211] <... socket resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 5839] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6211] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] unlink("./64/binderfs" [pid 6211] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] getdents64(3, [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6211] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6211] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6211] <... openat resumed>) = 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./64/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./64/cgroup.net", [pid 5842] unlink("./65/binderfs" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6211] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] <... unlink resumed>) = 0 [pid 5835] unlink("./64/cgroup.net" [pid 6211] <... openat resumed>) = 5 [pid 5842] umount2("./65/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6212 attached [pid 6211] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./64/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6212] set_robust_list(0x5555617a06a0, 24) = 0 [pid 5842] newfstatat(AT_FDCWD, "./65/cgroup.net", [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 65 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6212] chdir("./62" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./65/cgroup.net") = 0 [pid 5835] newfstatat(AT_FDCWD, "./64/cgroup.cpu", [pid 5842] umount2("./65/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6212] <... chdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] newfstatat(AT_FDCWD, "./65/cgroup.cpu", [pid 5835] unlink("./64/cgroup.cpu" [pid 6212] <... prctl resumed>) = 0 [pid 6212] setpgid(0, 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6212] <... setpgid resumed>) = 0 [pid 6210] <... writev resumed>) = 61440 [pid 5842] unlink("./65/cgroup.cpu" [pid 5835] umount2("./64/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6212] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6210] close(3) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6210] close(4) = 0 [pid 5842] umount2("./65/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6210] close(5 [pid 5842] unlink("./65/cgroup") = 0 [pid 6210] <... close resumed>) = 0 [pid 5842] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6212] <... symlink resumed>) = 0 [pid 6210] close(6 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 6210] close(7) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./64/cgroup", [pid 6210] close(8) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6210] close(9 [pid 5842] rmdir("./65" [pid 5835] unlink("./64/cgroup" [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(10 [pid 5842] <... rmdir resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6212] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./66", 0777 [pid 6212] <... symlink resumed>) = 0 [pid 6210] close(11 [pid 5842] <... mkdir resumed>) = 0 [pid 5835] getdents64(3, [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(12) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6212] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6210] close(13 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] close(3./strace-static-x86_64: Process 6213 attached [pid 6212] <... symlink resumed>) = 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] set_robust_list(0x5555617a06a0, 24 [pid 6210] close(14 [pid 5835] <... close resumed>) = 0 [pid 6212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] rmdir("./64" [pid 6213] <... set_robust_list resumed>) = 0 [pid 6212] <... openat resumed>) = 3 [pid 6211] <... writev resumed>) = 61440 [pid 6210] close(15 [pid 5835] <... rmdir resumed>) = 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] write(3, "1000", 4 [pid 6210] close(16 [pid 5835] mkdir("./65", 0777 [pid 6213] chdir("./66") = 0 [pid 6212] <... write resumed>) = 4 [pid 6211] close(3 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6212] close(3 [pid 6211] <... close resumed>) = 0 [pid 6210] close(17 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6214 attached [pid 6213] setpgid(0, 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] set_robust_list(0x5555617a06a0, 24 [pid 6213] <... setpgid resumed>) = 0 [pid 6214] <... set_robust_list resumed>) = 0 [pid 6212] <... close resumed>) = 0 [pid 6210] close(18 [pid 6213] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6212] symlink("/dev/binderfs", "./binderfs" [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] chdir("./65" [pid 6213] <... symlink resumed>) = 0 [pid 6212] <... symlink resumed>) = 0 [pid 6211] close(4 [pid 6214] <... chdir resumed>) = 0 [pid 6213] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6211] <... close resumed>) = 0 [pid 6210] close(19executing program [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] <... symlink resumed>) = 0 [pid 6212] write(1, "executing program\n", 18 [pid 6211] close(5 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... prctl resumed>) = 0 [pid 6213] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6212] <... write resumed>) = 18 [pid 6211] <... close resumed>) = 0 [pid 6210] close(20 [pid 6214] setpgid(0, 0 [pid 6213] <... symlink resumed>) = 0 [pid 6212] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6211] close(6 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 69 [pid 6214] <... setpgid resumed>) = 0 [pid 6213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6212] <... socket resumed>) = 3 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(21 [pid 6214] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6213] <... openat resumed>) = 3 [pid 6212] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6211] close(7 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 68 [pid 6214] <... symlink resumed>) = 0 [pid 6213] write(3, "1000", 4 [pid 6212] <... sendto resumed>) = 32 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(22 [pid 6214] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6213] <... write resumed>) = 4 [pid 6212] recvfrom(3, [pid 6211] close(8 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... symlink resumed>) = 0 [pid 6213] close(3 [pid 6212] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=65}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(23 [pid 6214] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6213] <... close resumed>) = 0 [pid 6212] recvfrom(3, [pid 6211] close(9 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... symlink resumed>) = 0 [pid 6212] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=65}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(24 [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] symlink("/dev/binderfs", "./binderfs" [pid 6212] close(3 [pid 6211] close(10 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... symlink resumed>) = 0 executing program [pid 6214] <... openat resumed>) = 3 [pid 6213] write(1, "executing program\n", 18 [pid 6212] <... close resumed>) = 0 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(25 [pid 6213] <... write resumed>) = 18 [pid 6214] write(3, "1000", 4 [pid 6213] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6212] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6211] close(11 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... socket resumed>) = 3 [pid 6210] close(26 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] close(12 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(27 [pid 6211] close(13 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(28 [pid 6211] close(14 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(29 [pid 6211] close(15 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... write resumed>) = 4 [pid 6213] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6210] exit_group(0 [pid 6214] close(3 [pid 6213] <... sendto resumed>) = 32 [pid 6212] <... socket resumed>) = 3 [pid 6211] close(16 [pid 6214] <... close resumed>) = 0 [pid 6213] recvfrom(3, [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] <... exit_group resumed>) = ? [pid 6214] symlink("/dev/binderfs", "./binderfs" [pid 6213] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=69}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6212] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6214] <... symlink resumed>) = 0 [pid 6213] recvfrom(3, [pid 6214] write(1, "executing program\n", 18 [pid 6213] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=69}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 executing program [pid 6212] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6211] close(17 [pid 6210] +++ exited with 0 +++ [pid 6214] <... write resumed>) = 18 [pid 6213] close(3 [pid 6212] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6213] <... close resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6211] close(18 [pid 5840] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... sendmsg resumed>) = 44 [pid 6211] close(19 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6212] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6214] <... socket resumed>) = 3 [pid 6213] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6214] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6213] <... socket resumed>) = 3 [pid 6212] <... openat resumed>) = 4 [pid 6211] close(20 [pid 5840] <... openat resumed>) = 3 [pid 6212] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 6211] close(21 [pid 6214] <... sendto resumed>) = 32 [pid 6213] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6212] <... openat resumed>) = 5 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6214] recvfrom(3, [pid 6213] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6212] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6211] close(22 [pid 6214] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=68}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6213] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5840] getdents64(3, [pid 6214] recvfrom(3, [pid 6213] <... sendmsg resumed>) = 44 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=68}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6213] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6214] close(3 [pid 6213] <... openat resumed>) = 4 [pid 6211] close(23 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6214] <... close resumed>) = 0 [pid 6214] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6213] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] close(24) = -1 EBADF (Bad file descriptor) [pid 6214] <... socket resumed>) = 3 [pid 6213] <... openat resumed>) = 5 [pid 6214] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6214] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6213] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6214] <... sendmsg resumed>) = 44 [pid 6211] close(25 [pid 5840] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6214] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./63/binderfs", [pid 6214] <... openat resumed>) = 4 [pid 6211] close(26 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6214] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5840] unlink("./63/binderfs") = 0 [pid 5840] umount2("./63/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6214] <... openat resumed>) = 5 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./63/cgroup.net", [pid 6214] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] close(27 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./63/cgroup.net" [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6211] close(28) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./63/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6211] close(29) = -1 EBADF (Bad file descriptor) [pid 6211] exit_group(0) = ? [pid 6211] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./63/cgroup.cpu" [pid 5838] <... restart_syscall resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./63/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./63/cgroup", [pid 5838] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6212] <... writev resumed>) = 61440 [pid 5840] unlink("./63/cgroup" [pid 6212] close(3 [pid 6213] <... writev resumed>) = 61440 [pid 6212] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 6213] close(3) = 0 [pid 6213] close(4) = 0 [pid 6213] close(5 [pid 6212] close(4 [pid 5840] getdents64(3, [pid 5838] newfstatat(3, "", [pid 6213] <... close resumed>) = 0 [pid 6213] close(6 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(3 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 6213] close(7) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./63" [pid 6213] close(8 [pid 5840] <... rmdir resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./64", 0777 [pid 6213] close(9) = -1 EBADF (Bad file descriptor) [pid 6213] close(10) = -1 EBADF (Bad file descriptor) [pid 6213] close(11 [pid 5840] <... mkdir resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(12) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6213] close(13) = -1 EBADF (Bad file descriptor) [pid 6213] close(14) = -1 EBADF (Bad file descriptor) [pid 6213] close(15) = -1 EBADF (Bad file descriptor) [pid 6213] close(16 [pid 5838] getdents64(3, [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(17 [pid 6212] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6214] <... writev resumed>) = 61440 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(3 [pid 6213] close(18 [pid 6212] close(5 [pid 5838] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6214] <... close resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(19 [pid 6212] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6215 attached [pid 6212] close(6 [pid 5838] newfstatat(AT_FDCWD, "./65/binderfs", [pid 6215] set_robust_list(0x5555617a06a0, 24 [pid 6214] close(4 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] <... close resumed>) = 0 [pid 6213] close(20 [pid 6212] close(7 [pid 6215] chdir("./64" [pid 6214] close(5 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 67 [pid 5838] unlink("./65/binderfs" [pid 6215] <... chdir resumed>) = 0 [pid 6214] <... close resumed>) = 0 [pid 6213] close(21 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6214] close(6 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(8 [pid 5838] umount2("./65/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6215] <... prctl resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(22 [pid 6215] setpgid(0, 0 [pid 6214] close(7 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] <... setpgid resumed>) = 0 [pid 6213] close(23 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(9 [pid 5838] newfstatat(AT_FDCWD, "./65/cgroup.net", [pid 6215] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6214] close(8 [pid 6213] close(24 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6215] <... symlink resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6214] close(9 [pid 6213] close(25 [pid 6212] close(10 [pid 5838] unlink("./65/cgroup.net" [pid 6215] <... symlink resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6214] close(10 [pid 5838] <... unlink resumed>) = 0 [pid 6212] close(11 [pid 6215] <... symlink resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(26 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./65/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6214] close(11 [pid 6212] close(12) = -1 EBADF (Bad file descriptor) [pid 6212] close(13) = -1 EBADF (Bad file descriptor) [pid 6212] close(14 [pid 6215] <... openat resumed>) = 3 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] write(3, "1000", 4 [pid 6214] close(12 [pid 6213] close(27 [pid 5838] newfstatat(AT_FDCWD, "./65/cgroup.cpu", [pid 6215] <... write resumed>) = 4 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(15 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6215] close(3 [pid 6214] close(13 [pid 6213] close(28 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... close resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(16 [pid 5838] unlink("./65/cgroup.cpu" [pid 6215] symlink("/dev/binderfs", "./binderfs" [pid 6214] close(14 [pid 6213] close(29 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6215] <... symlink resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(17 [pid 6215] write(1, "executing program\n", 18 [pid 6214] close(15executing program [pid 6213] exit_group(0 [pid 5838] umount2("./65/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6215] <... write resumed>) = 18 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(16 [pid 6213] <... exit_group resumed>) = ? [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] +++ exited with 0 +++ [pid 6212] close(18 [pid 6215] <... socket resumed>) = 3 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6212] close(19 [pid 5838] newfstatat(AT_FDCWD, "./65/cgroup", [pid 6215] <... sendto resumed>) = 32 [pid 6214] close(17 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6215] recvfrom(3, [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(20 [pid 5838] unlink("./65/cgroup" [pid 6215] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=67}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6214] close(18 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6215] recvfrom(3, [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(21 [pid 5838] getdents64(3, [pid 6215] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=67}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6214] close(19 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6215] close(3 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(22 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6214] close(20 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] close(3 [pid 6215] <... close resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(23 [pid 5842] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6212] close(24 [pid 6215] <... socket resumed>) = 3 [pid 6214] close(21 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 6215] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(25 [pid 5842] newfstatat(3, "", [pid 5838] rmdir("./65" [pid 6215] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6214] close(22 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6215] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(26 [pid 5842] getdents64(3, [pid 5838] mkdir("./66", 0777 [pid 6215] <... sendmsg resumed>) = 44 [pid 6214] close(23 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... mkdir resumed>) = 0 [pid 6215] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(27 [pid 5842] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6215] <... openat resumed>) = 4 [pid 6214] close(24 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] close(25 [pid 6212] close(28 [pid 5842] newfstatat(AT_FDCWD, "./66/binderfs", [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6214] close(26 [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... openat resumed>) = 5 [pid 6212] close(29./strace-static-x86_64: Process 6216 attached [pid 6215] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6214] close(27 [pid 6212] exit_group(0 [pid 5842] unlink("./66/binderfs" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 69 [pid 6214] close(28 [pid 5842] umount2("./66/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6214] close(29 [pid 5842] newfstatat(AT_FDCWD, "./66/cgroup.net", [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6214] exit_group(0) = ? [pid 6216] set_robust_list(0x5555617a06a0, 24 [pid 6214] +++ exited with 0 +++ [pid 5842] unlink("./66/cgroup.net" [pid 6216] <... set_robust_list resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./66/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./66/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./66/cgroup.cpu") = 0 [pid 5842] umount2("./66/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./66/cgroup") = 0 [pid 5842] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./66") = 0 [pid 5842] mkdir("./67", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6216] chdir("./66" [pid 6212] <... exit_group resumed>) = ? [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6216] <... chdir resumed>) = 0 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... restart_syscall resumed>) = 0 [pid 6216] <... prctl resumed>) = 0 [pid 6216] setpgid(0, 0 [pid 6212] +++ exited with 0 +++ [pid 5835] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6216] <... setpgid resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5835] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6216] <... symlink resumed>) = 0 [pid 5835] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6217 attached [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6216] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5835] getdents64(3, [pid 6217] set_robust_list(0x5555617a06a0, 24 [pid 6216] <... symlink resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 70 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6217] <... set_robust_list resumed>) = 0 [pid 6216] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5835] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6216] <... symlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./65/binderfs", [pid 6217] chdir("./67" [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] <... chdir resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5835] unlink("./65/binderfs" [pid 6217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6216] <... openat resumed>) = 3 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5835] <... unlink resumed>) = 0 [pid 6217] <... prctl resumed>) = 0 [pid 5835] umount2("./65/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] setpgid(0, 0) = 0 [pid 6216] write(3, "1000", 4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6217] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6216] <... write resumed>) = 4 [pid 5835] newfstatat(AT_FDCWD, "./65/cgroup.net", [pid 6217] <... symlink resumed>) = 0 [pid 6216] close(3) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6216] symlink("/dev/binderfs", "./binderfs" [pid 5835] unlink("./65/cgroup.net"executing program [pid 6217] <... symlink resumed>) = 0 [pid 6216] <... symlink resumed>) = 0 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6216] write(1, "executing program\n", 18 [pid 6217] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6216] <... write resumed>) = 18 [pid 5835] umount2("./65/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] <... symlink resumed>) = 0 [pid 6216] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5839] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6216] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./65/cgroup.cpu", [pid 6217] <... openat resumed>) = 3 [pid 6216] <... sendto resumed>) = 32 [pid 5839] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6217] write(3, "1000", 4 [pid 6216] recvfrom(3, [pid 5839] <... openat resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] <... write resumed>) = 4 [pid 6216] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=69}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] newfstatat(3, "", [pid 5835] unlink("./65/cgroup.cpu" [pid 6217] close(3 [pid 6216] recvfrom(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6217] <... close resumed>) = 0 [pid 6216] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=69}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] getdents64(3, [pid 6217] symlink("/dev/binderfs", "./binderfs" [pid 6216] close(3 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./65/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] <... symlink resumed>) = 0 [pid 6216] <... close resumed>) = 0 [pid 5839] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6217] write(1, "executing program\n", 18 [pid 6216] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./65/cgroup", [pid 6217] <... write resumed>) = 18 [pid 6216] <... socket resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6216] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5839] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5835] unlink("./65/cgroup" [pid 6217] <... socket resumed>) = 3 [pid 6216] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6217] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6216] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5839] unlink("./62/binderfs" [pid 5835] getdents64(3, [pid 6217] <... sendto resumed>) = 32 [pid 6216] <... sendmsg resumed>) = 44 [pid 5839] <... unlink resumed>) = 0 [pid 6217] recvfrom(3, [pid 6216] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5839] umount2("./62/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6216] <... openat resumed>) = 4 [pid 6217] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=70}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6217] recvfrom(3, [pid 6216] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] close(3 [pid 6217] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=70}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] newfstatat(AT_FDCWD, "./62/cgroup.net", [pid 5835] <... close resumed>) = 0 [pid 6217] close(3 [pid 6216] <... openat resumed>) = 5 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] rmdir("./65" [pid 6217] <... close resumed>) = 0 [pid 6216] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5839] unlink("./62/cgroup.net" [pid 5835] <... rmdir resumed>) = 0 [pid 6217] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5839] <... unlink resumed>) = 0 [pid 5835] mkdir("./66", 0777 [pid 6217] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5839] umount2("./62/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6217] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... mkdir resumed>) = 0 [pid 6217] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6217] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 5839] newfstatat(AT_FDCWD, "./62/cgroup.cpu", [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6217] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6217] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6215] <... writev resumed>) = 61440 [pid 5839] unlink("./62/cgroup.cpu") = 0 [pid 6215] close(3) = 0 [pid 5839] umount2("./62/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6215] close(4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] <... close resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6218 attached [pid 6215] close(5 [pid 5839] unlink("./62/cgroup" [pid 6218] set_robust_list(0x5555617a06a0, 24 [pid 6215] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6218] <... set_robust_list resumed>) = 0 [pid 6215] close(6 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 69 [pid 6218] chdir("./66" [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6215] close(7) = -1 EBADF (Bad file descriptor) [pid 6218] <... chdir resumed>) = 0 [pid 6215] close(8 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] close(3 [pid 6218] <... prctl resumed>) = 0 [pid 6215] close(9 [pid 5839] <... close resumed>) = 0 [pid 6218] setpgid(0, 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] rmdir("./62" [pid 6218] <... setpgid resumed>) = 0 [pid 6215] close(10 [pid 5839] <... rmdir resumed>) = 0 [pid 6218] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] close(11 [pid 5839] mkdir("./63", 0777 [pid 6218] <... symlink resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 6218] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6215] close(12 [pid 6218] <... symlink resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6218] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6215] close(13) = -1 EBADF (Bad file descriptor) [pid 6218] <... symlink resumed>) = 0 [pid 6215] close(14) = -1 EBADF (Bad file descriptor) [pid 6215] close(15 [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] close(16) = -1 EBADF (Bad file descriptor) [pid 6218] <... openat resumed>) = 3 [pid 6215] close(17) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6219 attached [pid 6215] close(18 [pid 6219] set_robust_list(0x5555617a06a0, 24 [pid 6218] write(3, "1000", 4 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... set_robust_list resumed>) = 0 [pid 6218] <... write resumed>) = 4 [pid 6215] close(19 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 66 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(3 [pid 6215] close(20) = -1 EBADF (Bad file descriptor) [pid 6215] close(21) = -1 EBADF (Bad file descriptor) [pid 6218] <... close resumed>) = 0 [pid 6215] close(22 [pid 6218] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] close(23 [pid 6219] chdir("./63" [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] close(24executing program [pid 6218] write(1, "executing program\n", 18 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] <... write resumed>) = 18 [pid 6215] close(25 [pid 6219] <... chdir resumed>) = 0 [pid 6218] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6218] <... socket resumed>) = 3 [pid 6215] close(26 [pid 6218] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] setpgid(0, 0 [pid 6218] <... sendto resumed>) = 32 [pid 6219] <... setpgid resumed>) = 0 [pid 6215] close(27 [pid 6219] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6218] recvfrom(3, [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... symlink resumed>) = 0 [pid 6219] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6218] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=69}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6215] close(28 [pid 6219] <... symlink resumed>) = 0 [pid 6218] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=69}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6218] close(3 [pid 6215] close(29 [pid 6219] <... symlink resumed>) = 0 [pid 6218] <... close resumed>) = 0 [pid 6215] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6218] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6215] exit_group(0 [pid 6219] <... openat resumed>) = 3 [pid 6218] <... socket resumed>) = 3 [pid 6215] <... exit_group resumed>) = ? [pid 6218] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6215] +++ exited with 0 +++ [pid 6219] write(3, "1000", 4) = 4 [pid 6218] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6218] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6219] close(3 [pid 6218] <... sendmsg resumed>) = 44 [pid 6219] <... close resumed>) = 0 [pid 6218] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6219] symlink("/dev/binderfs", "./binderfs" [pid 6218] <... openat resumed>) = 4 [pid 6219] <... symlink resumed>) = 0 [pid 6219] write(1, "executing program\n", 18 [pid 6218] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIMEexecuting program [pid 6219] <... write resumed>) = 18 [pid 6218] <... openat resumed>) = 5 [pid 6219] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6218] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6219] <... socket resumed>) = 3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6219] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6216] <... writev resumed>) = 61440 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6216] close(3 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6216] <... close resumed>) = 0 [pid 6219] <... sendto resumed>) = 32 [pid 6216] close(4 [pid 5840] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6219] recvfrom(3, [pid 6216] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6219] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=66}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6216] close(5 [pid 5840] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6219] recvfrom(3, [pid 6216] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6219] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=66}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6216] close(6 [pid 5840] newfstatat(3, "", [pid 6219] close(3 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... close resumed>) = 0 [pid 6216] close(7 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6219] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] <... socket resumed>) = 3 [pid 6216] close(8 [pid 5840] getdents64(3, [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6216] close(9 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6219] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6216] close(10 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6219] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6216] close(11 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6219] <... sendmsg resumed>) = 44 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6216] close(12 [pid 5840] unlink("./64/binderfs" [pid 6219] <... openat resumed>) = 4 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6219] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6216] close(13 [pid 5840] umount2("./64/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6219] <... openat resumed>) = 5 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(14 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./64/cgroup.net", [pid 6219] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6216] close(15) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./64/cgroup.net" [pid 6216] close(16) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6217] <... writev resumed>) = 61440 [pid 6216] close(17) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./64/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6216] close(18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(19 [pid 5840] newfstatat(AT_FDCWD, "./64/cgroup.cpu", [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6216] close(20) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./64/cgroup.cpu" [pid 6216] close(21) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6216] close(22) = -1 EBADF (Bad file descriptor) [pid 6216] close(23) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./64/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6216] close(24 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./64/cgroup", [pid 6216] close(25 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(26 [pid 5840] unlink("./64/cgroup" [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6216] close(27) = -1 EBADF (Bad file descriptor) [pid 6216] close(28 [pid 5840] getdents64(3, [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6216] close(29) = -1 EBADF (Bad file descriptor) [pid 5840] close(3) = 0 [pid 5840] rmdir("./64" [pid 6216] exit_group(0 [pid 5840] <... rmdir resumed>) = 0 [pid 6216] <... exit_group resumed>) = ? [pid 6218] <... writev resumed>) = 61440 [pid 6217] close(3 [pid 6216] +++ exited with 0 +++ [pid 5840] mkdir("./65", 0777) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6218] close(3 [pid 6217] <... close resumed>) = 0 [pid 6218] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6218] close(4) = 0 [pid 6217] close(4 [pid 6218] close(5 [pid 6217] <... close resumed>) = 0 [pid 6218] <... close resumed>) = 0 [pid 6217] close(5 [pid 6218] close(6 [pid 6217] <... close resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(7) = -1 EBADF (Bad file descriptor) [pid 6218] close(8 [pid 6217] close(6 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(9 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(7 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6220 attached [pid 6218] close(10 [pid 6217] close(8 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(11 [pid 6217] close(9 [pid 5838] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6220] set_robust_list(0x5555617a06a0, 24 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(12 [pid 6217] close(10 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] <... set_robust_list resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 68 [pid 5838] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6218] close(13 [pid 6217] close(11 [pid 6220] chdir("./65" [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(14 [pid 5838] <... openat resumed>) = 3 [pid 6220] <... chdir resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(12 [pid 6218] close(15 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(13 [pid 6220] <... prctl resumed>) = 0 [pid 6218] close(16 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6220] setpgid(0, 0 [pid 6217] close(14 [pid 6220] <... setpgid resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6220] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6218] close(17 [pid 6217] close(15 [pid 6220] <... symlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6220] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6218] close(18 [pid 6217] close(16 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] <... symlink resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6218] close(19 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./66/binderfs", [pid 6220] <... symlink resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(17 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6218] close(20 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... openat resumed>) = 3 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(18 [pid 5838] unlink("./66/binderfs" [pid 6220] write(3, "1000", 4 [pid 6218] close(21 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6220] <... write resumed>) = 4 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(19 [pid 6220] close(3 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = 0 [pid 6218] close(22 [pid 6217] close(20 [pid 5838] umount2("./66/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6220] symlink("/dev/binderfs", "./binderfs" [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] <... symlink resumed>) = 0 [pid 6218] close(23 [pid 6217] close(21 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./66/cgroup.net", executing program [pid 6220] write(1, "executing program\n", 18 [pid 6217] close(22 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6220] <... write resumed>) = 18 [pid 6218] close(24 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(23 [pid 5838] unlink("./66/cgroup.net" [pid 6220] <... socket resumed>) = 3 [pid 6218] close(25 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(24 [pid 5838] <... unlink resumed>) = 0 [pid 6220] <... sendto resumed>) = 32 [pid 6218] close(26 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] recvfrom(3, [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./66/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6220] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=68}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6218] close(27 [pid 6217] close(25 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] recvfrom(3, [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=68}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6218] close(28 [pid 6217] close(26 [pid 5838] newfstatat(AT_FDCWD, "./66/cgroup.cpu", [pid 6220] close(3 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = 0 [pid 6218] close(29 [pid 6217] close(27 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6220] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./66/cgroup.cpu" [pid 6220] <... socket resumed>) = 3 [pid 6218] exit_group(0 [pid 6217] close(28 [pid 5838] <... unlink resumed>) = 0 [pid 6220] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6218] <... exit_group resumed>) = ? [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6218] +++ exited with 0 +++ [pid 6219] <... writev resumed>) = 61440 [pid 6217] close(29 [pid 5838] umount2("./66/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6219] close(3 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6219] <... close resumed>) = 0 [pid 6217] exit_group(0 [pid 5838] newfstatat(AT_FDCWD, "./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./66/cgroup" [pid 6219] close(4 [pid 6217] <... exit_group resumed>) = ? [pid 6220] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6219] <... close resumed>) = 0 [pid 6217] +++ exited with 0 +++ [pid 5838] <... unlink resumed>) = 0 [pid 6219] close(5 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6220] <... sendmsg resumed>) = 44 [pid 6219] <... close resumed>) = 0 [pid 5838] getdents64(3, [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6220] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6219] close(6 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] close(3 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 6220] <... openat resumed>) = 4 [pid 6219] close(7 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5838] rmdir("./66" [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rmdir resumed>) = 0 [pid 6219] close(8) = -1 EBADF (Bad file descriptor) [pid 5838] mkdir("./67", 0777 [pid 6219] close(9 [pid 5838] <... mkdir resumed>) = 0 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(10) = -1 EBADF (Bad file descriptor) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6219] close(11 [pid 6220] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5835] <... restart_syscall resumed>) = 0 [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] close(12) = -1 EBADF (Bad file descriptor) [pid 6219] close(13) = -1 EBADF (Bad file descriptor) [pid 6219] close(14) = -1 EBADF (Bad file descriptor) [pid 6220] <... openat resumed>) = 5 [pid 6219] close(15 [pid 6220] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6219] close(16 [pid 5835] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6219] close(17 [pid 5835] newfstatat(3, "", ./strace-static-x86_64: Process 6221 attached [pid 6219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6219] close(18) = -1 EBADF (Bad file descriptor) [pid 6219] close(19) = -1 EBADF (Bad file descriptor) [pid 6219] close(20) = -1 EBADF (Bad file descriptor) [pid 6219] close(21) = -1 EBADF (Bad file descriptor) [pid 6219] close(22) = -1 EBADF (Bad file descriptor) [pid 6219] close(23) = -1 EBADF (Bad file descriptor) [pid 6219] close(24) = -1 EBADF (Bad file descriptor) [pid 6219] close(25) = -1 EBADF (Bad file descriptor) [pid 6219] close(26) = -1 EBADF (Bad file descriptor) [pid 6219] close(27) = -1 EBADF (Bad file descriptor) [pid 6219] close(28) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 70 [pid 6219] close(29) = -1 EBADF (Bad file descriptor) [pid 6219] exit_group(0) = ? [pid 6219] +++ exited with 0 +++ [pid 5835] getdents64(3, [pid 5842] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) executing program [pid 5842] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] getdents64(3, [pid 6221] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6221] <... set_robust_list resumed>) = 0 [pid 5842] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6221] chdir("./67" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6221] <... chdir resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5839] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6221] <... prctl resumed>) = 0 [pid 5842] unlink("./67/binderfs" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6221] setpgid(0, 0 [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6221] <... setpgid resumed>) = 0 [pid 5842] umount2("./67/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] newfstatat(AT_FDCWD, "./66/binderfs", [pid 6221] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6221] <... symlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./67/cgroup.net", [pid 5839] newfstatat(3, "", [pid 5835] unlink("./66/binderfs" [pid 6221] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6221] <... symlink resumed>) = 0 [pid 5842] unlink("./67/cgroup.net" [pid 6221] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5842] <... unlink resumed>) = 0 [pid 5839] getdents64(3, [pid 6221] <... symlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./66/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./67/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./66/cgroup.net", [pid 6221] <... openat resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6221] write(3, "1000", 4 [pid 5842] unlink("./67/cgroup.cpu" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./66/cgroup.net" [pid 6221] <... write resumed>) = 4 [pid 5842] <... unlink resumed>) = 0 [pid 5839] unlink("./63/binderfs" [pid 5835] <... unlink resumed>) = 0 [pid 5842] umount2("./67/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6221] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5835] umount2("./66/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6221] <... close resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./67/cgroup", [pid 6221] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./63/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6221] <... symlink resumed>) = 0 [pid 5842] unlink("./67/cgroup" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./66/cgroup.cpu", [pid 6221] write(1, "executing program\n", 18 [pid 5842] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./63/cgroup.net", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6221] <... write resumed>) = 18 [pid 5842] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6221] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] unlink("./63/cgroup.net" [pid 5842] close(3 [pid 5835] unlink("./66/cgroup.cpu" [pid 6221] <... socket resumed>) = 3 [pid 5842] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6221] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 5842] rmdir("./67" [pid 5839] umount2("./63/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./66/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6221] recvfrom(3, [pid 5842] <... rmdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6221] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=70}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] mkdir("./68", 0777 [pid 5839] newfstatat(AT_FDCWD, "./63/cgroup.cpu", [pid 5835] newfstatat(AT_FDCWD, "./66/cgroup", [pid 6221] recvfrom(3, [pid 5842] <... mkdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6221] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=70}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] unlink("./63/cgroup.cpu" [pid 5835] unlink("./66/cgroup" [pid 6221] close(3 [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6221] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 5839] umount2("./63/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(AT_FDCWD, "./63/cgroup", [pid 5835] close(3 [pid 6221] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... close resumed>) = 0 [pid 6221] <... socket resumed>) = 3 [pid 5839] unlink("./63/cgroup") = 0 [pid 5835] rmdir("./66" [pid 5839] getdents64(3, [pid 5835] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] mkdir("./67", 0777 [pid 5839] close(3 [pid 5835] <... mkdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 ./strace-static-x86_64: Process 6222 attached [pid 6221] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5839] rmdir("./63" [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6222] set_robust_list(0x5555617a06a0, 24 [pid 6221] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5839] mkdir("./64", 0777 [pid 6222] <... set_robust_list resumed>) = 0 [pid 6221] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 71 [pid 5839] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6223 attached [pid 6222] chdir("./68" [pid 6221] <... sendmsg resumed>) = 44 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6221] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6223] set_robust_list(0x5555617a06a0, 24 [pid 6222] <... chdir resumed>) = 0 [pid 6221] <... openat resumed>) = 4 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 70 [pid 6223] <... set_robust_list resumed>) = 0 [pid 6222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6221] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6222] <... prctl resumed>) = 0 [pid 6221] <... openat resumed>) = 5 [pid 6223] chdir("./67" [pid 6222] setpgid(0, 0 [pid 6221] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2./strace-static-x86_64: Process 6224 attached [pid 6223] <... chdir resumed>) = 0 [pid 6222] <... setpgid resumed>) = 0 [pid 6224] set_robust_list(0x5555617a06a0, 24 [pid 6222] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 67 [pid 6224] <... set_robust_list resumed>) = 0 [pid 6224] chdir("./64" [pid 6222] <... symlink resumed>) = 0 [pid 6224] <... chdir resumed>) = 0 [pid 6222] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6224] setpgid(0, 0) = 0 [pid 6224] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6224] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6224] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6223] <... prctl resumed>) = 0 [pid 6222] <... symlink resumed>) = 0 [pid 6224] <... symlink resumed>) = 0 [pid 6223] setpgid(0, 0 [pid 6222] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6220] <... writev resumed>) = 61440 [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] <... setpgid resumed>) = 0 [pid 6220] close(3 [pid 6224] <... openat resumed>) = 3 [pid 6220] <... close resumed>) = 0 [pid 6224] write(3, "1000", 4 [pid 6220] close(4 [pid 6223] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6222] <... symlink resumed>) = 0 [pid 6224] <... write resumed>) = 4 [pid 6220] <... close resumed>) = 0 [pid 6224] close(3) = 0 [pid 6223] <... symlink resumed>) = 0 [pid 6220] close(5 [pid 6224] symlink("/dev/binderfs", "./binderfs" [pid 6223] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] <... symlink resumed>) = 0 [pid 6223] <... symlink resumed>) = 0 [pid 6224] write(1, "executing program\n", 18executing program [pid 6222] <... openat resumed>) = 3 [pid 6220] <... close resumed>) = 0 [pid 6224] <... write resumed>) = 18 [pid 6224] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6223] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6222] write(3, "1000", 4 [pid 6220] close(6 [pid 6224] <... socket resumed>) = 3 [pid 6223] <... symlink resumed>) = 0 [pid 6222] <... write resumed>) = 4 [pid 6224] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6222] close(3 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... sendto resumed>) = 32 [pid 6223] <... openat resumed>) = 3 [pid 6222] <... close resumed>) = 0 [pid 6220] close(7executing program [pid 6222] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6222] write(1, "executing program\n", 18 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] recvfrom(3, [pid 6223] write(3, "1000", 4 [pid 6222] <... write resumed>) = 18 [pid 6224] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=67}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6223] <... write resumed>) = 4 [pid 6222] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6220] close(8 [pid 6224] recvfrom(3, [pid 6223] close(3 [pid 6222] <... socket resumed>) = 3 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=67}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6223] <... close resumed>) = 0 [pid 6220] close(9 [pid 6224] close(3 [pid 6223] symlink("/dev/binderfs", "./binderfs"executing program [pid 6222] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... close resumed>) = 0 [pid 6223] <... symlink resumed>) = 0 [pid 6222] <... sendto resumed>) = 32 [pid 6220] close(10 [pid 6224] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6223] write(1, "executing program\n", 18 [pid 6222] recvfrom(3, [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... socket resumed>) = 3 [pid 6223] <... write resumed>) = 18 [pid 6222] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=71}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6220] close(11 [pid 6224] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6223] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6222] recvfrom(3, [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6223] <... socket resumed>) = 3 [pid 6222] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=71}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6220] close(12 [pid 6224] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6223] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6222] close(3 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... sendmsg resumed>) = 44 [pid 6223] <... sendto resumed>) = 32 [pid 6222] <... close resumed>) = 0 [pid 6220] close(13 [pid 6224] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6223] recvfrom(3, [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... openat resumed>) = 4 [pid 6223] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=70}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6222] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6220] close(14 [pid 6224] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6223] recvfrom(3, [pid 6222] <... socket resumed>) = 3 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... openat resumed>) = 5 [pid 6223] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=70}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6222] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6220] close(15 [pid 6224] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6223] close(3 [pid 6222] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6221] <... writev resumed>) = 61440 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = 0 [pid 6221] close(3 [pid 6220] close(16 [pid 6222] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6223] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... socket resumed>) = 3 [pid 6222] <... sendmsg resumed>) = 44 [pid 6221] <... close resumed>) = 0 [pid 6221] close(4 [pid 6223] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6221] <... close resumed>) = 0 [pid 6221] close(5) = 0 [pid 6221] close(6) = -1 EBADF (Bad file descriptor) [pid 6221] close(7) = -1 EBADF (Bad file descriptor) [pid 6221] close(8) = -1 EBADF (Bad file descriptor) [pid 6221] close(9) = -1 EBADF (Bad file descriptor) [pid 6221] close(10) = -1 EBADF (Bad file descriptor) [pid 6221] close(11) = -1 EBADF (Bad file descriptor) [pid 6221] close(12) = -1 EBADF (Bad file descriptor) [pid 6221] close(13) = -1 EBADF (Bad file descriptor) [pid 6221] close(14) = -1 EBADF (Bad file descriptor) [pid 6221] close(15) = -1 EBADF (Bad file descriptor) [pid 6221] close(16) = -1 EBADF (Bad file descriptor) [pid 6221] close(17) = -1 EBADF (Bad file descriptor) [pid 6223] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6223] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6221] close(18) = -1 EBADF (Bad file descriptor) [pid 6221] close(19) = -1 EBADF (Bad file descriptor) [pid 6221] close(20) = -1 EBADF (Bad file descriptor) [pid 6221] close(21) = -1 EBADF (Bad file descriptor) [pid 6221] close(22) = -1 EBADF (Bad file descriptor) [pid 6221] close(23) = -1 EBADF (Bad file descriptor) [pid 6221] close(24) = -1 EBADF (Bad file descriptor) [pid 6221] close(25) = -1 EBADF (Bad file descriptor) [pid 6221] close(26) = -1 EBADF (Bad file descriptor) [pid 6221] close(27) = -1 EBADF (Bad file descriptor) [pid 6221] close(28) = -1 EBADF (Bad file descriptor) [pid 6221] close(29) = -1 EBADF (Bad file descriptor) [pid 6223] <... sendmsg resumed>) = 44 [pid 6222] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6221] exit_group(0 [pid 6220] close(17 [pid 6223] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6222] <... openat resumed>) = 4 [pid 6221] <... exit_group resumed>) = ? [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6220] close(18 [pid 6222] <... openat resumed>) = 5 [pid 6221] +++ exited with 0 +++ [pid 6223] <... openat resumed>) = 4 [pid 6222] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6223] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... openat resumed>) = 5 [pid 6220] close(19 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6223] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] close(20) = -1 EBADF (Bad file descriptor) [pid 6220] close(21) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] <... writev resumed>) = 61440 [pid 6224] close(3) = 0 [pid 6224] close(4) = 0 [pid 6220] close(22 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] close(5 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6220] close(23 [pid 5838] <... openat resumed>) = 3 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6224] <... close resumed>) = 0 [pid 6220] close(24 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6224] close(6 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] close(25) = -1 EBADF (Bad file descriptor) [pid 6220] close(26) = -1 EBADF (Bad file descriptor) [pid 6224] close(7 [pid 6220] close(27 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] close(28) = -1 EBADF (Bad file descriptor) [pid 6220] close(29) = -1 EBADF (Bad file descriptor) [pid 6220] exit_group(0) = ? [pid 5838] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6220] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] close(8 [pid 5838] newfstatat(AT_FDCWD, "./67/binderfs", [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] close(9 [pid 5838] unlink("./67/binderfs" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6224] close(10 [pid 5838] umount2("./67/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(11 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] close(12 [pid 5838] newfstatat(AT_FDCWD, "./67/cgroup.net", [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] close(13) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6224] close(14 [pid 5840] <... openat resumed>) = 3 [pid 5838] unlink("./67/cgroup.net" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 6224] close(15 [pid 5838] <... unlink resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6224] close(16 [pid 5840] getdents64(3, [pid 5838] umount2("./67/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(17 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] newfstatat(AT_FDCWD, "./67/cgroup.cpu", [pid 6224] close(18) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] close(19 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./67/cgroup.cpu" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5838] <... unlink resumed>) = 0 [pid 6224] close(20 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./67/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] close(21 [pid 5840] unlink("./65/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] close(22 [pid 5840] umount2("./65/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./67/cgroup" [pid 5840] newfstatat(AT_FDCWD, "./65/cgroup.net", [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] close(23 [pid 5838] getdents64(3, [pid 5840] unlink("./65/cgroup.net" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6224] close(24 [pid 5840] umount2("./65/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 6224] close(25 [pid 5840] newfstatat(AT_FDCWD, "./65/cgroup.cpu", [pid 5838] rmdir("./67" [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(26 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rmdir resumed>) = 0 [pid 5840] unlink("./65/cgroup.cpu" [pid 6224] close(27 [pid 5840] <... unlink resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] mkdir("./68", 0777 [pid 6224] close(28 [pid 5840] umount2("./65/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... mkdir resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] close(29 [pid 5840] newfstatat(AT_FDCWD, "./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] exit_group(0 [pid 5840] unlink("./65/cgroup") = 0 [pid 6224] <... exit_group resumed>) = ? [pid 5840] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./65") = 0 [pid 5840] mkdir("./66", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6225 attached [pid 6224] +++ exited with 0 +++ [pid 6225] set_robust_list(0x5555617a06a0, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 71 [pid 6225] <... set_robust_list resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6225] chdir("./68" [pid 5839] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... chdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6225] <... prctl resumed>) = 0 [pid 5839] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6226 attached [pid 6225] setpgid(0, 0 [pid 5839] newfstatat(3, "", [pid 6226] set_robust_list(0x5555617a06a0, 24 [pid 6225] <... setpgid resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 69 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6225] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5839] getdents64(3, [pid 6226] chdir("./66" [pid 6225] <... symlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6226] <... chdir resumed>) = 0 [pid 6225] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5839] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6222] <... writev resumed>) = 61440 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6225] <... symlink resumed>) = 0 [pid 5839] unlink("./64/binderfs" [pid 6226] <... prctl resumed>) = 0 [pid 6222] close(3 [pid 5839] <... unlink resumed>) = 0 [pid 6226] setpgid(0, 0 [pid 6225] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6222] <... close resumed>) = 0 [pid 5839] umount2("./64/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6226] <... setpgid resumed>) = 0 [pid 6225] <... symlink resumed>) = 0 [pid 6222] close(4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6222] <... close resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./64/cgroup.net", [pid 6226] <... symlink resumed>) = 0 [pid 6225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6222] close(5 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6226] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6225] <... openat resumed>) = 3 [pid 6222] <... close resumed>) = 0 [pid 5839] unlink("./64/cgroup.net" [pid 6226] <... symlink resumed>) = 0 [pid 6222] close(6 [pid 5839] <... unlink resumed>) = 0 [pid 6225] write(3, "1000", 4 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./64/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6226] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6225] <... write resumed>) = 4 [pid 6222] close(7 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] <... symlink resumed>) = 0 [pid 6225] close(3 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./64/cgroup.cpu", [pid 6225] <... close resumed>) = 0 [pid 6222] close(8 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./64/cgroup.cpu" [pid 6225] symlink("/dev/binderfs", "./binderfs" [pid 6222] close(9 [pid 5839] <... unlink resumed>) = 0 [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6225] <... symlink resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6226] <... openat resumed>) = 3 [pid 6225] write(1, "executing program\n", 18 [pid 6222] close(10 [pid 5839] umount2("./64/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6226] write(3, "1000", 4 [pid 6225] <... write resumed>) = 18 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] <... write resumed>) = 4 [pid 6225] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6222] close(11 [pid 5839] newfstatat(AT_FDCWD, "./64/cgroup", [pid 6226] close(3) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6226] symlink("/dev/binderfs", "./binderfs" [pid 6225] <... socket resumed>) = 3 [pid 6222] close(12 [pid 6226] <... symlink resumed>) = 0 [pid 6225] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./64/cgroup"executing program [pid 6226] write(1, "executing program\n", 18 [pid 6225] <... sendto resumed>) = 32 [pid 6222] close(13 [pid 5839] <... unlink resumed>) = 0 [pid 6226] <... write resumed>) = 18 [pid 6225] recvfrom(3, [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6226] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6225] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=71}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6222] close(14 [pid 6226] <... socket resumed>) = 3 [pid 6225] recvfrom(3, [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6226] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6225] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=71}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6226] <... sendto resumed>) = 32 [pid 6225] close(3 [pid 6223] <... writev resumed>) = 61440 [pid 6222] close(15 [pid 5839] close(3 [pid 6226] recvfrom(3, [pid 6225] <... close resumed>) = 0 [pid 6226] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=69}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6225] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6223] close(3 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... close resumed>) = 0 [pid 6226] recvfrom(3, [pid 6222] close(16) = -1 EBADF (Bad file descriptor) [pid 6226] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=69}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6222] close(17 [pid 6225] <... socket resumed>) = 3 [pid 6223] <... close resumed>) = 0 [pid 5839] rmdir("./64" [pid 6223] close(4 [pid 5839] <... rmdir resumed>) = 0 [pid 6225] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] close(18 [pid 5839] mkdir("./65", 0777 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 6225] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6223] <... close resumed>) = 0 [pid 6226] close(3 [pid 6222] close(19 [pid 6223] close(5 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6225] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6227 attached [pid 6222] close(20 [pid 6227] set_robust_list(0x5555617a06a0, 24 [pid 6225] <... sendmsg resumed>) = 44 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... set_robust_list resumed>) = 0 [pid 6223] <... close resumed>) = 0 [pid 6222] close(21 [pid 6227] chdir("./65" [pid 6226] <... close resumed>) = 0 [pid 6225] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] close(22 [pid 6227] <... chdir resumed>) = 0 [pid 6227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6226] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6225] <... openat resumed>) = 4 [pid 6223] close(6 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 68 [pid 6227] <... prctl resumed>) = 0 [pid 6226] <... socket resumed>) = 3 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] setpgid(0, 0 [pid 6223] close(7 [pid 6227] <... setpgid resumed>) = 0 [pid 6226] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] close(23 [pid 6227] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6225] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6223] close(8 [pid 6227] <... symlink resumed>) = 0 [pid 6226] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6223] close(9 [pid 6227] <... symlink resumed>) = 0 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(10) = -1 EBADF (Bad file descriptor) [pid 6223] close(11 [pid 6227] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... symlink resumed>) = 0 [pid 6226] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6225] <... openat resumed>) = 5 [pid 6222] close(24 [pid 6227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] close(12executing program [pid 6227] <... openat resumed>) = 3 [pid 6226] <... sendmsg resumed>) = 44 [pid 6225] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] write(3, "1000", 4 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... write resumed>) = 4 [pid 6223] close(13 [pid 6227] close(3 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... close resumed>) = 0 [pid 6223] close(14 [pid 6227] symlink("/dev/binderfs", "./binderfs" [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... symlink resumed>) = 0 [pid 6223] close(15) = -1 EBADF (Bad file descriptor) [pid 6223] close(16) = -1 EBADF (Bad file descriptor) [pid 6223] close(17 [pid 6227] write(1, "executing program\n", 18 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... write resumed>) = 18 [pid 6223] close(18 [pid 6227] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(19 [pid 6227] <... socket resumed>) = 3 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(20) = -1 EBADF (Bad file descriptor) [pid 6222] close(25 [pid 6227] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6223] close(21 [pid 6227] <... sendto resumed>) = 32 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] recvfrom(3, [pid 6223] close(22 [pid 6227] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=68}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] recvfrom(3, [pid 6223] close(23 [pid 6227] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=68}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] close(3) = 0 [pid 6223] close(24 [pid 6227] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... socket resumed>) = 3 [pid 6227] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6223] close(25 [pid 6227] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6227] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... sendmsg resumed>) = 44 [pid 6223] close(26) = -1 EBADF (Bad file descriptor) [pid 6227] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6223] close(27 [pid 6227] <... openat resumed>) = 4 [pid 6226] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6226] <... openat resumed>) = 4 [pid 6223] close(28 [pid 6227] <... openat resumed>) = 5 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(29) = -1 EBADF (Bad file descriptor) [pid 6223] exit_group(0 [pid 6227] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6222] close(26 [pid 6223] <... exit_group resumed>) = ? [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] +++ exited with 0 +++ [pid 6222] close(27) = -1 EBADF (Bad file descriptor) [pid 6226] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6222] close(28 [pid 6226] <... openat resumed>) = 5 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] close(29) = -1 EBADF (Bad file descriptor) [pid 6222] exit_group(0) = ? [pid 6226] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6222] +++ exited with 0 +++ [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... writev resumed>) = 61440 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] close(3 [pid 5835] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6225] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 6225] close(4 [pid 5842] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(3, "", [pid 6225] close(5 [pid 5842] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6225] <... close resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 6225] close(6 [pid 5842] newfstatat(3, "", [pid 5835] getdents64(3, [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6225] close(7 [pid 5842] getdents64(3, [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] close(8 [pid 5842] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(9 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./67/binderfs", [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(10 [pid 5842] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] close(11) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./68/binderfs" [pid 5835] unlink("./67/binderfs" [pid 6225] close(12) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6225] close(13) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./68/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./67/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] close(14) = -1 EBADF (Bad file descriptor) [pid 6225] close(15 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(16 [pid 5842] newfstatat(AT_FDCWD, "./68/cgroup.net", [pid 5835] newfstatat(AT_FDCWD, "./67/cgroup.net", [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] close(17 [pid 5842] unlink("./68/cgroup.net" [pid 5835] unlink("./67/cgroup.net" [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6225] close(18 [pid 5842] umount2("./68/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./67/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] close(19 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./67/cgroup.cpu", [pid 6225] close(20 [pid 5842] newfstatat(AT_FDCWD, "./68/cgroup.cpu", [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] close(21 [pid 5835] unlink("./67/cgroup.cpu" [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./68/cgroup.cpu" [pid 5835] <... unlink resumed>) = 0 [pid 6225] close(22) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5835] umount2("./67/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6225] close(23) = -1 EBADF (Bad file descriptor) [pid 6225] close(24 [pid 5842] umount2("./68/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(25 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./67/cgroup", [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./68/cgroup", [pid 6225] close(26 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./68/cgroup" [pid 5835] unlink("./67/cgroup" [pid 6227] <... writev resumed>) = 61440 [pid 6225] close(27 [pid 6227] close(3 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6227] <... close resumed>) = 0 [pid 6225] close(28 [pid 5842] getdents64(3, [pid 5835] getdents64(3, [pid 6227] close(4 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6227] <... close resumed>) = 0 [pid 6225] close(29 [pid 5842] close(3 [pid 5835] close(3 [pid 6225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 6227] close(5 [pid 6225] exit_group(0 [pid 5842] rmdir("./68" [pid 5835] rmdir("./67" [pid 6227] <... close resumed>) = 0 [pid 6227] close(6 [pid 6225] <... exit_group resumed>) = ? [pid 5842] <... rmdir resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] +++ exited with 0 +++ [pid 6227] close(7) = -1 EBADF (Bad file descriptor) [pid 6227] close(8 [pid 5842] mkdir("./69", 0777 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] mkdir("./68", 0777 [pid 6227] close(9 [pid 5842] <... mkdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] close(10 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6228 attached [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6228] set_robust_list(0x5555617a06a0, 24) = 0 [pid 6227] close(11 [pid 6228] chdir("./68" [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] close(12) = -1 EBADF (Bad file descriptor) [pid 6227] close(13 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] close(14) = -1 EBADF (Bad file descriptor) [pid 6227] close(15) = -1 EBADF (Bad file descriptor) [pid 6227] close(16) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6227] close(17 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6227] close(18 [pid 5838] <... openat resumed>) = 3 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6227] close(19 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6227] close(20 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6227] close(21 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 72 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 71 [pid 6227] close(22 [pid 5838] newfstatat(AT_FDCWD, "./68/binderfs", [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6227] close(23 [pid 5838] unlink("./68/binderfs" [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] close(24 [pid 5838] <... unlink resumed>) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] close(25 [pid 5838] umount2("./68/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6229 attached [pid 6229] set_robust_list(0x5555617a06a0, 24 [pid 6227] close(26 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./68/cgroup.net", [pid 6227] close(27 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] close(28) = -1 EBADF (Bad file descriptor) [pid 6227] close(29 [pid 5838] unlink("./68/cgroup.net" [pid 6227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6227] exit_group(0) = ? [pid 5838] umount2("./68/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6229] <... set_robust_list resumed>) = 0 [pid 6228] <... chdir resumed>) = 0 [pid 6227] +++ exited with 0 +++ [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6229] chdir("./69" [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] newfstatat(AT_FDCWD, "./68/cgroup.cpu", [pid 6229] <... chdir resumed>) = 0 [pid 6228] <... prctl resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6228] setpgid(0, 0 [pid 5838] unlink("./68/cgroup.cpu" [pid 6228] <... setpgid resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6229] <... prctl resumed>) = 0 [pid 5838] umount2("./68/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6229] setpgid(0, 0 [pid 6228] <... symlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6229] <... setpgid resumed>) = 0 [pid 6228] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5838] newfstatat(AT_FDCWD, "./68/cgroup", [pid 6229] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6228] <... symlink resumed>) = 0 [pid 6229] <... symlink resumed>) = 0 [pid 6228] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6229] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6228] <... symlink resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5838] unlink("./68/cgroup" [pid 6229] <... symlink resumed>) = 0 [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... unlink resumed>) = 0 [pid 6228] <... openat resumed>) = 3 [pid 6229] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5839] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(3, [pid 6229] <... symlink resumed>) = 0 [pid 6228] write(3, "1000", 4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] <... write resumed>) = 4 [pid 5839] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] close(3 [pid 6229] <... openat resumed>) = 3 [pid 6228] close(3 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 6229] write(3, "1000", 4 [pid 6228] <... close resumed>) = 0 executing program [pid 5839] newfstatat(3, "", [pid 5838] rmdir("./68" [pid 6229] <... write resumed>) = 4 [pid 6228] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6229] close(3 [pid 6228] write(1, "executing program\n", 18 [pid 5839] getdents64(3, [pid 5838] mkdir("./69", 0777 [pid 6229] <... close resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6229] symlink("/dev/binderfs", "./binderfs" [pid 6228] <... write resumed>) = 18 [pid 5839] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... mkdir resumed>) = 0 [pid 6229] <... symlink resumed>) = 0 executing program [pid 6229] write(1, "executing program\n", 18 [pid 6228] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6229] <... write resumed>) = 18 [pid 6228] <... socket resumed>) = 3 [pid 6226] <... writev resumed>) = 61440 [pid 5839] newfstatat(AT_FDCWD, "./65/binderfs", [pid 6226] close(3 [pid 6228] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6230 attached [pid 6229] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6228] <... sendto resumed>) = 32 [pid 6226] <... close resumed>) = 0 [pid 5839] unlink("./65/binderfs" [pid 6230] set_robust_list(0x5555617a06a0, 24 [pid 6229] <... socket resumed>) = 3 [pid 6228] recvfrom(3, [pid 6226] close(4 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 72 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6229] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6230] chdir("./69" [pid 6226] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6226] close(5 [pid 5839] umount2("./65/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6230] <... chdir resumed>) = 0 [pid 6230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6229] <... sendto resumed>) = 32 [pid 6228] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=71}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6226] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6230] <... prctl resumed>) = 0 [pid 6229] recvfrom(3, [pid 6228] recvfrom(3, [pid 6226] close(6 [pid 5839] newfstatat(AT_FDCWD, "./65/cgroup.net", [pid 6230] setpgid(0, 0 [pid 6229] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=72}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6228] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=71}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6230] <... setpgid resumed>) = 0 [pid 6229] recvfrom(3, [pid 6228] close(3 [pid 6226] close(7) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./65/cgroup.net" [pid 6229] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=72}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6228] <... close resumed>) = 0 [pid 6226] close(8 [pid 5839] <... unlink resumed>) = 0 [pid 6230] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6229] close(3 [pid 6228] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./65/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6226] close(9 [pid 6228] <... socket resumed>) = 3 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6226] close(10 [pid 5839] newfstatat(AT_FDCWD, "./65/cgroup.cpu", [pid 6228] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6226] close(11 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] close(12 [pid 5839] unlink("./65/cgroup.cpu" [pid 6230] <... symlink resumed>) = 0 [pid 6229] <... close resumed>) = 0 [pid 6228] <... sendmsg resumed>) = 44 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6230] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6228] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6226] close(13 [pid 6229] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./65/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6226] close(14 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] <... openat resumed>) = 4 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./65/cgroup", [pid 6226] close(15 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./65/cgroup" [pid 6226] close(16) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6228] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6226] close(17 [pid 6230] <... symlink resumed>) = 0 [pid 6230] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6228] <... openat resumed>) = 5 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6230] <... symlink resumed>) = 0 [pid 6228] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6226] close(18 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6229] <... socket resumed>) = 3 [pid 5839] close(3 [pid 6229] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6230] <... openat resumed>) = 3 [pid 6229] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... close resumed>) = 0 [pid 6229] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5839] rmdir("./65" [pid 6229] <... sendmsg resumed>) = 44 [pid 6229] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5839] <... rmdir resumed>) = 0 [pid 6229] <... openat resumed>) = 4 [pid 6229] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6230] write(3, "1000", 4 [pid 6229] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir("./66", 0777 [pid 6230] <... write resumed>) = 4 [pid 6230] close(3 [pid 6226] close(19 [pid 5839] <... mkdir resumed>) = 0 [pid 6230] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6230] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6231 attached ) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] close(20executing program [pid 6231] set_robust_list(0x5555617a06a0, 24 [pid 6230] write(1, "executing program\n", 18 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 69 [pid 6231] <... set_robust_list resumed>) = 0 [pid 6230] <... write resumed>) = 18 [pid 6226] close(21) = -1 EBADF (Bad file descriptor) [pid 6226] close(22 [pid 6230] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] close(23) = -1 EBADF (Bad file descriptor) [pid 6226] close(24) = -1 EBADF (Bad file descriptor) [pid 6226] close(25) = -1 EBADF (Bad file descriptor) [pid 6226] close(26) = -1 EBADF (Bad file descriptor) [pid 6226] close(27) = -1 EBADF (Bad file descriptor) [pid 6226] close(28) = -1 EBADF (Bad file descriptor) [pid 6226] close(29) = -1 EBADF (Bad file descriptor) [pid 6226] exit_group(0) = ? [pid 6226] +++ exited with 0 +++ [pid 6231] chdir("./66" [pid 6230] <... socket resumed>) = 3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6230] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6231] <... chdir resumed>) = 0 [pid 6230] <... sendto resumed>) = 32 [pid 6231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... restart_syscall resumed>) = 0 [pid 6231] <... prctl resumed>) = 0 [pid 6230] recvfrom(3, [pid 6231] setpgid(0, 0) = 0 [pid 6230] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=72}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6231] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6230] recvfrom(3, [pid 5840] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6231] <... symlink resumed>) = 0 [pid 6230] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=72}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6230] close(3 [pid 6231] <... symlink resumed>) = 0 [pid 6230] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6231] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6230] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] <... openat resumed>) = 3 [pid 6231] <... symlink resumed>) = 0 [pid 6230] <... socket resumed>) = 3 [pid 6231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6230] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5840] newfstatat(3, "", [pid 6230] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6231] <... openat resumed>) = 3 [pid 6231] write(3, "1000", 4 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, [pid 6231] <... write resumed>) = 4 [pid 6230] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6231] close(3 [pid 6230] <... sendmsg resumed>) = 44 [pid 6228] <... writev resumed>) = 61440 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] <... close resumed>) = 0 [pid 6230] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6229] <... writev resumed>) = 61440 [pid 6228] close(3 [pid 5840] newfstatat(AT_FDCWD, "./66/binderfs", [pid 6231] symlink("/dev/binderfs", "./binderfs" [pid 6229] close(3 [pid 6231] <... symlink resumed>) = 0 [pid 6230] <... openat resumed>) = 4 [pid 6228] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6230] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6229] <... close resumed>) = 0 [pid 6228] close(4 [pid 5840] unlink("./66/binderfs" executing program [pid 6231] write(1, "executing program\n", 18 [pid 6228] <... close resumed>) = 0 [pid 6230] <... openat resumed>) = 5 [pid 6229] close(4 [pid 5840] <... unlink resumed>) = 0 [pid 6230] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6228] close(5 [pid 6231] <... write resumed>) = 18 [pid 6229] <... close resumed>) = 0 [pid 5840] umount2("./66/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6231] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6229] close(5 [pid 6228] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] close(6 [pid 5840] newfstatat(AT_FDCWD, "./66/cgroup.net", [pid 6230] <... writev resumed>) = 61440 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... socket resumed>) = 3 [pid 6230] close(3 [pid 6229] <... close resumed>) = 0 [pid 6228] close(7 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6231] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6229] close(6 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./66/cgroup.net" [pid 6231] <... sendto resumed>) = 32 [pid 6230] <... close resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(8 [pid 6231] recvfrom(3, [pid 6230] close(4 [pid 6229] close(7 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6231] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=69}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6230] <... close resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(9 [pid 5840] umount2("./66/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6231] recvfrom(3, [pid 6230] close(5 [pid 6229] close(8 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=69}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6230] <... close resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(10 [pid 5840] newfstatat(AT_FDCWD, "./66/cgroup.cpu", [pid 6231] close(3 [pid 6230] close(6 [pid 6229] close(9 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(11 [pid 6231] <... close resumed>) = 0 [pid 6230] close(7 [pid 6229] close(10 [pid 5840] unlink("./66/cgroup.cpu" [pid 6231] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6230] close(8 [pid 6229] close(11 [pid 6228] close(12 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./66/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6230] close(9 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(12 [pid 6228] close(13 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6230] close(10 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./66/cgroup", [pid 6231] <... socket resumed>) = 3 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(13 [pid 6230] close(11 [pid 6228] close(14 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./66/cgroup" [pid 6230] close(12 [pid 6229] close(14 [pid 6228] close(15 [pid 5840] <... unlink resumed>) = 0 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(13 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(15 [pid 6230] close(14 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(16 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(16 [pid 6230] close(15 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(17 [pid 6228] close(17 [pid 5840] <... close resumed>) = 0 [pid 6230] close(16 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./66" [pid 6231] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(18 [pid 6228] close(18 [pid 5840] <... rmdir resumed>) = 0 [pid 6231] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6230] close(17 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(19 [pid 6228] close(19 [pid 5840] mkdir("./67", 0777 [pid 6230] close(18 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... sendmsg resumed>) = 44 [pid 6231] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6230] close(19 [pid 6229] close(20 [pid 6228] close(20 [pid 5840] <... mkdir resumed>) = 0 [pid 6231] <... openat resumed>) = 4 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6232 attached [pid 6231] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6230] close(20 [pid 6229] close(21 [pid 6228] close(21 [pid 6232] set_robust_list(0x5555617a06a0, 24 [pid 6231] <... openat resumed>) = 5 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 70 [pid 6232] <... set_robust_list resumed>) = 0 [pid 6230] close(21 [pid 6229] close(22 [pid 6228] close(22 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(22 [pid 6228] <... 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 6228] close(23 [pid 6230] close(23 [pid 6229] close(23 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] chdir("./67" [pid 6231] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(24 [pid 6230] close(24 [pid 6229] close(24 [pid 6228] <... 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 6230] close(25 [pid 6228] close(25 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(25 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(26 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(26 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(26 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(27 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(27 [pid 6230] close(28 [pid 6229] close(27 [pid 6228] <... 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 6228] close(28 [pid 6230] close(29 [pid 6229] close(28 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] exit_group(0) = ? [pid 6229] close(29 [pid 6228] close(29 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] exit_group(0 [pid 6232] <... chdir resumed>) = 0 [pid 6230] +++ exited with 0 +++ [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... exit_group resumed>) = ? [pid 6228] exit_group(0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6229] +++ exited with 0 +++ [pid 6232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] <... exit_group resumed>) = ? [pid 6232] <... prctl resumed>) = 0 [pid 6228] +++ exited with 0 +++ [pid 6232] setpgid(0, 0) = 0 [pid 6232] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6232] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5838] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6232] <... symlink resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6232] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5842] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6232] <... symlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6232] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 6232] write(3, "1000", 4 [pid 5842] newfstatat(3, "", [pid 5838] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6232] <... write resumed>) = 4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6232] close(3 [pid 5842] getdents64(3, [pid 5838] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6232] <... close resumed>) = 0 [pid 6232] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6232] <... symlink resumed>) = 0 [pid 5842] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 6232] write(1, "executing program\n", 18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... openat resumed>) = 3 [pid 6232] <... write resumed>) = 18 [pid 5842] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5835] newfstatat(3, "", [pid 6232] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6232] <... socket resumed>) = 3 [pid 5842] unlink("./69/binderfs" [pid 5835] getdents64(3, [pid 6232] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] <... unlink resumed>) = 0 [pid 6232] <... sendto resumed>) = 32 [pid 5842] umount2("./69/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6232] recvfrom(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6232] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=70}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] newfstatat(AT_FDCWD, "./69/cgroup.net", [pid 5838] getdents64(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6232] recvfrom(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] newfstatat(AT_FDCWD, "./68/binderfs", [pid 6232] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=70}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] unlink("./69/cgroup.net" [pid 5838] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6232] close(3 [pid 5842] <... unlink resumed>) = 0 [pid 5835] unlink("./68/binderfs" [pid 6232] <... close resumed>) = 0 [pid 5842] umount2("./69/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./68/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6232] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] newfstatat(AT_FDCWD, "./69/cgroup.cpu", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6232] <... socket resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5835] newfstatat(AT_FDCWD, "./68/cgroup.net", [pid 6232] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] unlink("./69/cgroup.cpu" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6232] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5838] unlink("./69/binderfs" [pid 5835] unlink("./68/cgroup.net" [pid 5842] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6232] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] umount2("./69/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./69/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6232] <... sendmsg resumed>) = 44 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./68/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6232] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./69/cgroup", [pid 5838] newfstatat(AT_FDCWD, "./69/cgroup.net", [pid 6232] <... openat resumed>) = 4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./68/cgroup.cpu", [pid 5842] unlink("./69/cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5838] unlink("./69/cgroup.net" [pid 5835] unlink("./68/cgroup.cpu" [pid 6232] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5842] getdents64(3, [pid 6232] <... openat resumed>) = 5 [pid 5835] umount2("./68/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] umount2("./69/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6232] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] close(3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./69" [pid 5838] newfstatat(AT_FDCWD, "./69/cgroup.cpu", [pid 5835] newfstatat(AT_FDCWD, "./68/cgroup", [pid 5842] <... rmdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] mkdir("./70", 0777 [pid 5835] unlink("./68/cgroup" [pid 5842] <... mkdir resumed>) = 0 [pid 5838] unlink("./69/cgroup.cpu" [pid 5835] <... unlink resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... unlink resumed>) = 0 [pid 5835] getdents64(3, [pid 5838] umount2("./69/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./69/cgroup", [pid 6231] <... writev resumed>) = 61440 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6231] close(3) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3 [pid 5838] unlink("./69/cgroup" [pid 6231] close(4) = 0 [pid 5835] <... close resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6231] close(5./strace-static-x86_64: Process 6233 attached [pid 5838] getdents64(3, [pid 5835] rmdir("./68" [pid 6231] <... close resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6233] set_robust_list(0x5555617a06a0, 24 [pid 6231] close(6 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 73 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] mkdir("./69", 0777 [pid 6233] <... set_robust_list resumed>) = 0 [pid 6233] chdir("./70" [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] close(3 [pid 5835] <... mkdir resumed>) = 0 [pid 6233] <... chdir resumed>) = 0 [pid 6231] close(7 [pid 5838] <... close resumed>) = 0 [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] rmdir("./69" [pid 6233] <... prctl resumed>) = 0 [pid 6231] close(8 [pid 5838] <... rmdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6233] setpgid(0, 0) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] mkdir("./70", 0777 [pid 6231] close(9 [pid 5838] <... mkdir resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6231] close(10) = -1 EBADF (Bad file descriptor) [pid 6231] close(11) = -1 EBADF (Bad file descriptor) [pid 6231] close(12) = -1 EBADF (Bad file descriptor) [pid 6233] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6231] close(13) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6234 attached [pid 6231] close(14 [pid 6234] set_robust_list(0x5555617a06a0, 24 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 72 [pid 6231] close(15 [pid 6233] <... symlink resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... set_robust_list resumed>) = 0 [pid 6231] close(16) = -1 EBADF (Bad file descriptor) [pid 6234] chdir("./69" [pid 6233] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6231] close(17./strace-static-x86_64: Process 6235 attached [pid 6234] <... chdir resumed>) = 0 [pid 6233] <... symlink resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6233] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6231] close(18 [pid 6235] set_robust_list(0x5555617a06a0, 24 [pid 6234] <... prctl resumed>) = 0 [pid 6233] <... symlink resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 73 [pid 6235] <... set_robust_list resumed>) = 0 [pid 6234] setpgid(0, 0 [pid 6231] close(19 [pid 6235] chdir("./70" [pid 6234] <... setpgid resumed>) = 0 [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] <... chdir resumed>) = 0 [pid 6234] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6233] <... openat resumed>) = 3 [pid 6231] close(20 [pid 6234] <... symlink resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] close(21 [pid 6235] <... prctl resumed>) = 0 [pid 6235] setpgid(0, 0 [pid 6234] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6233] write(3, "1000", 4 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] <... setpgid resumed>) = 0 [pid 6231] close(22 [pid 6233] <... write resumed>) = 4 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6233] close(3 [pid 6231] close(23 [pid 6235] <... symlink resumed>) = 0 [pid 6234] <... symlink resumed>) = 0 [pid 6233] <... close resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6234] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6233] symlink("/dev/binderfs", "./binderfs" [pid 6231] close(24 [pid 6235] <... symlink resumed>) = 0 [pid 6234] <... symlink resumed>) = 0 [pid 6233] <... symlink resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6233] write(1, "executing program\n", 18 [pid 6231] close(25executing program [pid 6235] <... symlink resumed>) = 0 [pid 6234] <... openat resumed>) = 3 [pid 6233] <... write resumed>) = 18 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6234] write(3, "1000", 4 [pid 6233] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6231] close(26 [pid 6235] <... openat resumed>) = 3 [pid 6233] <... socket resumed>) = 3 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] write(3, "1000", 4 [pid 6234] <... write resumed>) = 4 [pid 6233] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6231] close(27 [pid 6235] <... write resumed>) = 4 [pid 6234] close(3 [pid 6233] <... sendto resumed>) = 32 [pid 6232] <... writev resumed>) = 61440 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(3 [pid 6234] <... close resumed>) = 0 [pid 6233] recvfrom(3, [pid 6232] close(3 [pid 6231] close(28 [pid 6235] <... close resumed>) = 0 [pid 6234] symlink("/dev/binderfs", "./binderfs" [pid 6233] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=73}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6232] <... close resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] symlink("/dev/binderfs", "./binderfs" [pid 6234] <... symlink resumed>) = 0 [pid 6233] recvfrom(3, [pid 6231] close(29 [pid 6235] <... symlink resumed>) = 0 executing program [pid 6234] write(1, "executing program\n", 18 [pid 6233] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=73}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6232] close(4executing program [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] write(1, "executing program\n", 18 [pid 6234] <... write resumed>) = 18 [pid 6233] close(3 [pid 6232] <... close resumed>) = 0 [pid 6235] <... write resumed>) = 18 [pid 6232] close(5 [pid 6234] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6232] <... close resumed>) = 0 [pid 6235] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6232] close(6) = -1 EBADF (Bad file descriptor) [pid 6232] close(7 [pid 6233] <... close resumed>) = 0 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] close(8 [pid 6234] <... socket resumed>) = 3 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] close(9 [pid 6235] <... socket resumed>) = 3 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6234] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6232] close(10 [pid 6235] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6233] <... socket resumed>) = 3 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] exit_group(0 [pid 6234] <... sendto resumed>) = 32 [pid 6232] close(11 [pid 6235] <... sendto resumed>) = 32 [pid 6234] recvfrom(3, [pid 6233] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... exit_group resumed>) = ? [pid 6235] recvfrom(3, [pid 6234] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=72}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6233] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6232] close(12 [pid 6235] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=73}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] close(13) = -1 EBADF (Bad file descriptor) [pid 6232] close(14) = -1 EBADF (Bad file descriptor) [pid 6232] close(15) = -1 EBADF (Bad file descriptor) [pid 6232] close(16) = -1 EBADF (Bad file descriptor) [pid 6232] close(17) = -1 EBADF (Bad file descriptor) [pid 6232] close(18) = -1 EBADF (Bad file descriptor) [pid 6232] close(19) = -1 EBADF (Bad file descriptor) [pid 6231] +++ exited with 0 +++ [pid 6232] close(20) = -1 EBADF (Bad file descriptor) [pid 6232] close(21) = -1 EBADF (Bad file descriptor) [pid 6232] close(22) = -1 EBADF (Bad file descriptor) [pid 6232] close(23) = -1 EBADF (Bad file descriptor) [pid 6232] close(24) = -1 EBADF (Bad file descriptor) [pid 6232] close(25) = -1 EBADF (Bad file descriptor) [pid 6232] close(26) = -1 EBADF (Bad file descriptor) [pid 6232] close(27) = -1 EBADF (Bad file descriptor) [pid 6232] close(28) = -1 EBADF (Bad file descriptor) [pid 6232] close(29) = -1 EBADF (Bad file descriptor) [pid 6232] exit_group(0) = ? [pid 6235] recvfrom(3, [pid 6234] recvfrom(3, [pid 6233] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6234] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=72}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6235] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=73}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6233] <... sendmsg resumed>) = 44 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6234] close(3 [pid 6235] close(3 [pid 6233] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6234] <... close resumed>) = 0 [pid 6232] +++ exited with 0 +++ [pid 5839] <... restart_syscall resumed>) = 0 [pid 6235] <... close resumed>) = 0 [pid 6233] <... openat resumed>) = 4 [pid 6234] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6235] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6234] <... socket resumed>) = 3 [pid 5839] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6233] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6235] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6234] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5840] <... restart_syscall resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] <... openat resumed>) = 5 [pid 5839] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6235] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6235] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6234] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6233] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6235] <... sendmsg resumed>) = 44 [pid 6234] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5839] newfstatat(3, "", [pid 6235] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6234] <... sendmsg resumed>) = 44 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6235] <... openat resumed>) = 4 [pid 6234] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5840] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6234] <... openat resumed>) = 4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(3, [pid 6235] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5840] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6235] <... openat resumed>) = 5 [pid 6234] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5840] <... openat resumed>) = 3 [pid 6235] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6234] <... openat resumed>) = 5 [pid 5840] newfstatat(3, "", [pid 5839] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6234] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5839] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./66/binderfs" [pid 5840] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] unlink("./67/binderfs") = 0 [pid 5840] umount2("./67/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./66/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./67/cgroup.net", [pid 5839] newfstatat(AT_FDCWD, "./66/cgroup.net", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./67/cgroup.net" [pid 5839] unlink("./66/cgroup.net" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] umount2("./67/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./66/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./66/cgroup.cpu", [pid 5840] unlink("./67/cgroup.cpu" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] unlink("./66/cgroup.cpu" [pid 6233] <... writev resumed>) = 61440 [pid 5840] umount2("./67/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6233] close(3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./67/cgroup", [pid 5839] umount2("./66/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6233] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./67/cgroup" [pid 5839] newfstatat(AT_FDCWD, "./66/cgroup", [pid 5840] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5839] unlink("./66/cgroup" [pid 6235] <... writev resumed>) = 61440 [pid 5839] <... unlink resumed>) = 0 [pid 6235] close(3 [pid 6233] close(4 [pid 5840] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 5840] rmdir("./67" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] close(3 [pid 5840] mkdir("./68", 0777 [pid 5839] <... close resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] rmdir("./66" [pid 6235] <... close resumed>) = 0 [pid 6233] <... close resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... rmdir resumed>) = 0 [pid 5839] mkdir("./67", 0777) = 0 [pid 6235] close(4 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6235] <... close resumed>) = 0 ./strace-static-x86_64: Process 6236 attached [pid 6236] set_robust_list(0x5555617a06a0, 24) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 71 [pid 6236] chdir("./68") = 0 ./strace-static-x86_64: Process 6237 attached [pid 6235] close(5 [pid 6234] <... writev resumed>) = 61440 [pid 6233] close(5 [pid 6237] set_robust_list(0x5555617a06a0, 24 [pid 6236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6235] <... close resumed>) = 0 [pid 6234] close(3 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 70 [pid 6235] close(6) = -1 EBADF (Bad file descriptor) [pid 6235] close(7 [pid 6237] <... set_robust_list resumed>) = 0 [pid 6236] <... prctl resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = 0 [pid 6233] <... close resumed>) = 0 [pid 6237] chdir("./67" [pid 6236] setpgid(0, 0 [pid 6235] close(8 [pid 6234] close(4 [pid 6233] close(6 [pid 6237] <... chdir resumed>) = 0 [pid 6236] <... setpgid resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = 0 [pid 6237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6236] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6235] close(9 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... prctl resumed>) = 0 [pid 6236] <... symlink resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(5 [pid 6233] close(7 [pid 6237] setpgid(0, 0 [pid 6235] close(10 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... setpgid resumed>) = 0 [pid 6236] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = 0 [pid 6233] close(8 [pid 6237] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6235] close(11 [pid 6237] <... symlink resumed>) = 0 [pid 6236] <... symlink resumed>) = 0 [pid 6234] close(6 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(9 [pid 6237] <... symlink resumed>) = 0 [pid 6236] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6235] close(12 [pid 6234] close(7 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6236] <... symlink resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(10 [pid 6237] <... symlink resumed>) = 0 [pid 6236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6235] close(13 [pid 6234] close(8 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(11 [pid 6237] <... openat resumed>) = 3 [pid 6236] <... openat resumed>) = 3 [pid 6235] close(14 [pid 6234] close(9 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] write(3, "1000", 4 [pid 6236] write(3, "1000", 4 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(12 [pid 6237] <... write resumed>) = 4 [pid 6236] <... write resumed>) = 4 [pid 6235] close(15 [pid 6234] close(10 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(3 [pid 6236] close(3 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = 0 [pid 6235] close(16 [pid 6234] close(11 [pid 6233] close(13 [pid 6237] symlink("/dev/binderfs", "./binderfs" [pid 6236] <... close resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... symlink resumed>) = 0 [pid 6236] symlink("/dev/binderfs", "./binderfs" [pid 6235] close(17 [pid 6234] close(12 [pid 6233] close(14 [pid 6236] <... symlink resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6237] write(1, "executing program\n", 18 [pid 6236] write(1, "executing program\n", 18 [pid 6235] close(18 [pid 6234] close(13executing program [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... write resumed>) = 18 [pid 6236] <... write resumed>) = 18 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(15 [pid 6237] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6234] close(14 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(19 [pid 6237] <... socket resumed>) = 3 [pid 6236] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(16 [pid 6237] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6236] <... socket resumed>) = 3 [pid 6235] close(20 [pid 6234] close(15 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... sendto resumed>) = 32 [pid 6236] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(17 [pid 6237] recvfrom(3, [pid 6236] <... sendto resumed>) = 32 [pid 6235] close(21 [pid 6234] close(16 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=70}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6236] recvfrom(3, [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(18 [pid 6237] recvfrom(3, [pid 6236] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=71}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6235] close(22 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=70}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6236] recvfrom(3, [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(17 [pid 6233] close(19 [pid 6237] close(3 [pid 6236] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=71}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6235] close(23 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(24 [pid 6237] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6236] close(3 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(18 [pid 6233] close(20 [pid 6237] <... socket resumed>) = 3 [pid 6236] <... close resumed>) = 0 [pid 6235] close(25 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6236] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6234] close(19 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(21 [pid 6237] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6236] <... socket resumed>) = 3 [pid 6235] close(26 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6236] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(20 [pid 6233] close(22 [pid 6237] <... sendmsg resumed>) = 44 [pid 6236] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6235] close(27 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(21 [pid 6237] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6236] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6235] close(28 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(23 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(22 [pid 6235] close(29 [pid 6236] <... sendmsg resumed>) = 44 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] exit_group(0 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(24 [pid 6235] <... exit_group resumed>) = ? [pid 6234] close(23 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... openat resumed>) = 4 [pid 6236] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(25 [pid 6237] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6236] <... openat resumed>) = 4 [pid 6237] <... openat resumed>) = 5 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6236] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6234] close(24 [pid 6233] close(26 [pid 6235] +++ exited with 0 +++ [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(27 [pid 6234] close(25 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6236] <... openat resumed>) = 5 [pid 6234] close(26 [pid 6233] close(28 [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6236] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6234] close(27 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(29 [pid 6234] close(28 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(29) = -1 EBADF (Bad file descriptor) [pid 6233] exit_group(0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6234] exit_group(0 [pid 6233] <... exit_group resumed>) = ? [pid 5838] getdents64(3, [pid 6234] <... exit_group resumed>) = ? [pid 6233] +++ exited with 0 +++ [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6234] +++ exited with 0 +++ [pid 5838] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5838] unlink("./70/binderfs") = 0 [pid 5838] umount2("./70/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5838] newfstatat(AT_FDCWD, "./70/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./70/cgroup.net" [pid 5842] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./70/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... openat resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... openat resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./70/cgroup.cpu", [pid 5835] newfstatat(3, "", [pid 5842] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./70/cgroup.cpu" [pid 5835] getdents64(3, [pid 5842] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] unlink("./70/binderfs" [pid 5838] umount2("./70/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5838] newfstatat(AT_FDCWD, "./70/cgroup", [pid 5842] umount2("./70/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./70/cgroup" [pid 5842] newfstatat(AT_FDCWD, "./70/cgroup.net", [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./70/cgroup.net" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] unlink("./69/binderfs" [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./70/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./70/cgroup.cpu", [pid 5838] <... close resumed>) = 0 [pid 5835] umount2("./69/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] rmdir("./70" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./70/cgroup.cpu") = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5842] umount2("./70/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./69/cgroup.net", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] mkdir("./71", 0777 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./70/cgroup", [pid 5838] <... mkdir resumed>) = 0 [pid 5835] unlink("./69/cgroup.net" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] unlink("./70/cgroup" [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5835] umount2("./69/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] getdents64(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] newfstatat(AT_FDCWD, "./69/cgroup.cpu", [pid 5842] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... close resumed>) = 0 [pid 5835] unlink("./69/cgroup.cpu" [pid 5842] rmdir("./70" [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5835] umount2("./69/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] mkdir("./71", 0777 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... mkdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./69/cgroup", [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6238 attached [pid 6238] set_robust_list(0x5555617a06a0, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 74 [pid 5835] unlink("./69/cgroup") = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./69" [pid 6238] <... set_robust_list resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6238] chdir("./71" [pid 5835] mkdir("./70", 0777) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6239 attached [pid 6238] <... chdir resumed>) = 0 [pid 6239] set_robust_list(0x5555617a06a0, 24 [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 74 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] <... prctl resumed>) = 0 [pid 6238] setpgid(0, 0 [pid 6239] chdir("./71" [pid 6238] <... setpgid resumed>) = 0 [pid 6239] <... chdir resumed>) = 0 [pid 6238] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6239] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6240 attached [pid 6240] set_robust_list(0x5555617a06a0, 24 [pid 6239] <... prctl resumed>) = 0 [pid 6238] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 73 [pid 6239] setpgid(0, 0 [pid 6238] <... symlink resumed>) = 0 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6239] <... setpgid resumed>) = 0 [pid 6238] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6239] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6240] chdir("./70" [pid 6239] <... symlink resumed>) = 0 [pid 6240] <... chdir resumed>) = 0 [pid 6239] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6239] <... symlink resumed>) = 0 [pid 6240] <... prctl resumed>) = 0 [pid 6238] write(3, "1000", 4 [pid 6240] setpgid(0, 0 [pid 6239] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6238] <... write resumed>) = 4 [pid 6238] close(3 [pid 6239] <... symlink resumed>) = 0 [pid 6238] <... close resumed>) = 0 [pid 6240] <... setpgid resumed>) = 0 [pid 6239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6238] symlink("/dev/binderfs", "./binderfs" [pid 6240] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6238] <... symlink resumed>) = 0 [pid 6240] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6239] <... openat resumed>) = 3 executing program [pid 6238] write(1, "executing program\n", 18 [pid 6240] <... symlink resumed>) = 0 [pid 6239] write(3, "1000", 4 [pid 6240] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6238] <... write resumed>) = 18 [pid 6240] <... symlink resumed>) = 0 [pid 6239] <... write resumed>) = 4 [pid 6238] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6239] close(3 [pid 6240] <... openat resumed>) = 3 [pid 6239] <... close resumed>) = 0 [pid 6239] symlink("/dev/binderfs", "./binderfs" [pid 6238] <... socket resumed>) = 3 [pid 6240] write(3, "1000", 4 [pid 6239] <... symlink resumed>) = 0 [pid 6238] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6240] <... write resumed>) = 4 executing program [pid 6239] write(1, "executing program\n", 18 [pid 6238] <... sendto resumed>) = 32 [pid 6240] close(3 [pid 6239] <... write resumed>) = 18 [pid 6238] recvfrom(3, [pid 6240] <... close resumed>) = 0 [pid 6239] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6238] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=74}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6240] symlink("/dev/binderfs", "./binderfs" [pid 6239] <... socket resumed>) = 3 [pid 6240] <... symlink resumed>) = 0 executing program [pid 6238] recvfrom(3, [pid 6240] write(1, "executing program\n", 18 [pid 6239] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6238] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=74}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6240] <... write resumed>) = 18 [pid 6239] <... sendto resumed>) = 32 [pid 6238] close(3 [pid 6240] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6239] recvfrom(3, [pid 6240] <... socket resumed>) = 3 [pid 6239] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=74}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6238] <... close resumed>) = 0 [pid 6240] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6239] recvfrom(3, [pid 6240] <... sendto resumed>) = 32 [pid 6239] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=74}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6238] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6240] recvfrom(3, [pid 6239] close(3 [pid 6238] <... socket resumed>) = 3 [pid 6236] <... writev resumed>) = 61440 [pid 6240] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=73}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6239] <... close resumed>) = 0 [pid 6238] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6237] <... writev resumed>) = 61440 [pid 6236] close(3 [pid 6240] recvfrom(3, [pid 6239] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6238] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6237] close(3 [pid 6236] <... close resumed>) = 0 [pid 6240] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=73}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6239] <... socket resumed>) = 3 [pid 6237] <... close resumed>) = 0 [pid 6236] close(4 [pid 6240] close(3 [pid 6239] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6238] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6237] close(4 [pid 6236] <... close resumed>) = 0 [pid 6240] <... close resumed>) = 0 [pid 6239] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6237] <... close resumed>) = 0 [pid 6236] close(5 [pid 6240] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6236] <... close resumed>) = 0 [pid 6240] <... socket resumed>) = 3 [pid 6239] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6240] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6239] <... sendmsg resumed>) = 44 [pid 6237] close(5 [pid 6236] close(6 [pid 6240] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6238] <... sendmsg resumed>) = 44 [pid 6237] <... close resumed>) = 0 [pid 6238] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6240] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6239] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6237] close(6 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... sendmsg resumed>) = 44 [pid 6239] <... openat resumed>) = 4 [pid 6238] <... openat resumed>) = 4 [pid 6236] close(7 [pid 6240] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6239] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6238] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... openat resumed>) = 4 [pid 6239] <... openat resumed>) = 5 [pid 6238] <... openat resumed>) = 5 [pid 6237] close(7 [pid 6240] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6239] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6238] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] close(8 [pid 6240] <... openat resumed>) = 5 [pid 6237] close(8 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] close(9 [pid 6240] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(9) = -1 EBADF (Bad file descriptor) [pid 6237] close(10) = -1 EBADF (Bad file descriptor) [pid 6237] close(11) = -1 EBADF (Bad file descriptor) [pid 6237] close(12) = -1 EBADF (Bad file descriptor) [pid 6237] close(13) = -1 EBADF (Bad file descriptor) [pid 6237] close(14) = -1 EBADF (Bad file descriptor) [pid 6237] close(15) = -1 EBADF (Bad file descriptor) [pid 6237] close(16) = -1 EBADF (Bad file descriptor) [pid 6237] close(17) = -1 EBADF (Bad file descriptor) [pid 6237] close(18) = -1 EBADF (Bad file descriptor) [pid 6237] close(19) = -1 EBADF (Bad file descriptor) [pid 6236] close(10 [pid 6237] close(20 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(21 [pid 6236] close(11 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(22 [pid 6236] close(12) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] close(23) = -1 EBADF (Bad file descriptor) [pid 6237] close(24) = -1 EBADF (Bad file descriptor) [pid 6236] close(13 [pid 6237] close(25 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] close(14 [pid 6237] close(26) = -1 EBADF (Bad file descriptor) [pid 6238] <... writev resumed>) = 61440 [pid 6237] close(27 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(3 [pid 6237] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... close resumed>) = 0 [pid 6237] close(28) = -1 EBADF (Bad file descriptor) [pid 6237] close(29) = -1 EBADF (Bad file descriptor) [pid 6238] close(4 [pid 6236] close(15 [pid 6237] exit_group(0 [pid 6238] <... close resumed>) = 0 [pid 6237] <... exit_group resumed>) = ? [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] close(16) = -1 EBADF (Bad file descriptor) [pid 6236] close(17) = -1 EBADF (Bad file descriptor) [pid 6238] close(5 [pid 6236] close(18 [pid 6238] <... close resumed>) = 0 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] close(19) = -1 EBADF (Bad file descriptor) [pid 6238] close(6 [pid 6236] close(20 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(7 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] close(21 [pid 6238] close(8) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(9 [pid 6236] close(22 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(10 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] close(23 [pid 6238] close(11) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(12 [pid 6236] close(24 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(13 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] close(25 [pid 6238] close(14) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(15 [pid 6236] close(26 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(16) = -1 EBADF (Bad file descriptor) [pid 6236] close(27 [pid 6238] close(17 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(18 [pid 6236] close(28 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(19) = -1 EBADF (Bad file descriptor) [pid 6236] close(29 [pid 6238] close(20 [pid 6236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(21 [pid 6236] exit_group(0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] +++ exited with 0 +++ [pid 6236] <... exit_group resumed>) = ? [pid 6238] close(22 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] close(23) = -1 EBADF (Bad file descriptor) [pid 6236] +++ exited with 0 +++ [pid 6238] close(24) = -1 EBADF (Bad file descriptor) [pid 6238] close(25 [pid 5839] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] close(26) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6238] close(27 [pid 5839] <... openat resumed>) = 3 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(3, "", [pid 6238] close(28 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6238] close(29 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6238] exit_group(0 [pid 5839] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6238] <... exit_group resumed>) = ? [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./67/binderfs" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./67/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./67/cgroup.net", [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] unlink("./67/cgroup.net" [pid 6238] +++ exited with 0 +++ [pid 5840] getdents64(3, [pid 5839] <... unlink resumed>) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./67/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./67/cgroup.cpu", [pid 5840] unlink("./68/binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] unlink("./67/cgroup.cpu" [pid 5840] umount2("./68/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./67/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6239] <... writev resumed>) = 61440 [pid 5840] newfstatat(AT_FDCWD, "./68/cgroup.net", [pid 6239] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./68/cgroup.net" [pid 5839] newfstatat(AT_FDCWD, "./67/cgroup", [pid 5838] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6239] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6239] close(4 [pid 5840] umount2("./68/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./67/cgroup" [pid 5838] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6239] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 6239] close(5) = 0 [pid 5840] newfstatat(AT_FDCWD, "./68/cgroup.cpu", [pid 6239] close(6 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 5838] newfstatat(3, "", [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./68/cgroup.cpu" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] close(3 [pid 5838] getdents64(3, [pid 6239] close(7 [pid 5839] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./68/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./67" [pid 5838] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6239] close(8 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./68/cgroup", [pid 5838] newfstatat(AT_FDCWD, "./71/binderfs", [pid 6240] <... writev resumed>) = 61440 [pid 6239] close(9 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] mkdir("./68", 0777 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6240] close(3 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./68/cgroup" [pid 5839] <... mkdir resumed>) = 0 [pid 5838] unlink("./71/binderfs" [pid 6239] close(10 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... unlink resumed>) = 0 [pid 5840] getdents64(3, ./strace-static-x86_64: Process 6241 attached [pid 6240] <... close resumed>) = 0 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6241] set_robust_list(0x5555617a06a0, 24 [pid 6239] close(11 [pid 6240] close(4 [pid 5840] close(3 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 71 [pid 5838] umount2("./71/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6241] <... set_robust_list resumed>) = 0 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6241] chdir("./68" [pid 6240] <... close resumed>) = 0 [pid 6239] close(12 [pid 5838] newfstatat(AT_FDCWD, "./71/cgroup.net", [pid 5840] rmdir("./68" [pid 6241] <... chdir resumed>) = 0 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6239] close(13 [pid 5840] <... rmdir resumed>) = 0 [pid 6241] <... prctl resumed>) = 0 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(5 [pid 6239] close(14 [pid 5840] mkdir("./69", 0777 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6241] setpgid(0, 0 [pid 6240] <... close resumed>) = 0 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./71/cgroup.net" [pid 6241] <... setpgid resumed>) = 0 [pid 6239] close(15 [pid 5840] <... mkdir resumed>) = 0 [pid 6241] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6240] close(6 [pid 5838] <... unlink resumed>) = 0 [pid 6241] <... symlink resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] umount2("./71/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6241] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6240] close(7 [pid 6239] close(16 [pid 6241] <... symlink resumed>) = 0 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] close(17) = -1 EBADF (Bad file descriptor) [pid 6241] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6239] close(18 [pid 6241] <... symlink resumed>) = 0 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] close(19) = -1 EBADF (Bad file descriptor) [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6239] close(20./strace-static-x86_64: Process 6242 attached ) = -1 EBADF (Bad file descriptor) [pid 6242] set_robust_list(0x5555617a06a0, 24 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6240] close(8 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 72 [pid 5838] newfstatat(AT_FDCWD, "./71/cgroup.cpu", [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] close(21 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6240] close(9 [pid 5838] unlink("./71/cgroup.cpu" [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6240] close(10 [pid 5838] umount2("./71/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] <... set_robust_list resumed>) = 0 [pid 6240] close(11 [pid 6239] close(22 [pid 5838] newfstatat(AT_FDCWD, "./71/cgroup", [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6240] close(12 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./71/cgroup" [pid 6242] chdir("./69" [pid 6241] <... openat resumed>) = 3 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] close(23 [pid 5838] <... unlink resumed>) = 0 [pid 6242] <... chdir resumed>) = 0 [pid 6241] write(3, "1000", 4 [pid 6240] close(13 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6241] <... write resumed>) = 4 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6242] <... prctl resumed>) = 0 [pid 6241] close(3 [pid 6239] close(24 [pid 6240] close(14 [pid 6242] setpgid(0, 0 [pid 6241] <... close resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] close(3 [pid 6242] <... setpgid resumed>) = 0 [pid 6241] symlink("/dev/binderfs", "./binderfs" [pid 6240] close(15 [pid 5838] <... close resumed>) = 0 [pid 6242] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] close(25 [pid 5838] rmdir("./71" [pid 6242] <... symlink resumed>) = 0 [pid 6241] <... symlink resumed>) = 0 [pid 6240] close(16 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5838] <... rmdir resumed>) = 0 [pid 6242] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6241] write(1, "executing program\n", 18 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] close(26 [pid 5838] mkdir("./72", 0777 [pid 6242] <... symlink resumed>) = 0 [pid 6241] <... write resumed>) = 18 [pid 6240] close(17 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mkdir resumed>) = 0 [pid 6242] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6241] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6243 attached [pid 6242] <... symlink resumed>) = 0 [pid 6241] <... socket resumed>) = 3 [pid 6240] close(18 [pid 6239] close(27 [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6241] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] set_robust_list(0x5555617a06a0, 24 [pid 6242] <... openat resumed>) = 3 [pid 6241] <... sendto resumed>) = 32 [pid 6240] close(19 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] <... set_robust_list resumed>) = 0 [pid 6242] write(3, "1000", 4 [pid 6241] recvfrom(3, [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] chdir("./72" [pid 6240] close(20 [pid 6239] close(28 [pid 6243] <... chdir resumed>) = 0 [pid 6242] <... write resumed>) = 4 [pid 6241] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=71}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 75 [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6242] close(3 [pid 6241] recvfrom(3, [pid 6240] close(21 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] <... prctl resumed>) = 0 [pid 6242] <... close resumed>) = 0 [pid 6241] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=71}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] setpgid(0, 0 [pid 6242] symlink("/dev/binderfs", "./binderfs" [pid 6241] close(3 [pid 6240] close(22 [pid 6239] close(29 [pid 6243] <... setpgid resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(23) = -1 EBADF (Bad file descriptor) [pid 6242] <... symlink resumed>) = 0 [pid 6241] <... close resumed>) = 0 [pid 6240] close(24 [pid 6239] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(25 [pid 6242] write(1, "executing program\n", 18 [pid 6241] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6239] exit_group(0 [pid 6241] <... socket resumed>) = 3 [pid 6240] close(26) = -1 EBADF (Bad file descriptor) executing program [pid 6240] close(27 [pid 6243] <... symlink resumed>) = 0 [pid 6242] <... write resumed>) = 18 [pid 6241] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... exit_group resumed>) = ? [pid 6240] close(28 [pid 6242] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(29) = -1 EBADF (Bad file descriptor) [pid 6240] exit_group(0) = ? [pid 6243] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6242] <... socket resumed>) = 3 [pid 6241] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6240] +++ exited with 0 +++ [pid 6239] +++ exited with 0 +++ [pid 6242] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6241] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6243] <... symlink resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6243] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6242] <... sendto resumed>) = 32 [pid 6241] <... sendmsg resumed>) = 44 [pid 6241] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6243] <... symlink resumed>) = 0 [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6241] <... openat resumed>) = 4 [pid 6241] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] recvfrom(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] write(3, "1000", 4) = 4 [pid 6243] close(3 [pid 6242] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=72}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6241] <... openat resumed>) = 5 [pid 5842] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] recvfrom(3, [pid 6241] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6243] <... close resumed>) = 0 [pid 6243] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6243] write(1, "executing program\n", 18) = 18 [pid 6243] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6243] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6242] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=72}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] <... openat resumed>) = 3 [pid 6243] <... sendto resumed>) = 32 [pid 6242] close(3 [pid 5835] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6243] recvfrom(3, [pid 6242] <... close resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 5835] <... openat resumed>) = 3 [pid 6243] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=75}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6242] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(3, "", [pid 6243] recvfrom(3, [pid 6242] <... socket resumed>) = 3 [pid 5842] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6243] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=75}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6243] close(3 [pid 6242] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(3, [pid 6243] <... close resumed>) = 0 [pid 6242] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6243] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6242] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6243] <... socket resumed>) = 3 [pid 6242] <... sendmsg resumed>) = 44 [pid 5842] newfstatat(AT_FDCWD, "./71/binderfs", [pid 6243] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6242] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6242] <... openat resumed>) = 4 [pid 5842] unlink("./71/binderfs") = 0 [pid 6243] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] newfstatat(AT_FDCWD, "./70/binderfs", [pid 6243] <... sendmsg resumed>) = 44 [pid 6242] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] umount2("./71/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6242] <... openat resumed>) = 5 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] newfstatat(AT_FDCWD, "./71/cgroup.net", [pid 5835] unlink("./70/binderfs" [pid 6243] <... openat resumed>) = 4 [pid 6242] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6243] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] unlink("./71/cgroup.net" [pid 6243] <... openat resumed>) = 5 [pid 5842] <... unlink resumed>) = 0 [pid 6243] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] umount2("./71/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./70/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./71/cgroup.cpu", [pid 5835] newfstatat(AT_FDCWD, "./70/cgroup.net", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./71/cgroup.cpu" [pid 5835] unlink("./70/cgroup.net" [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5842] umount2("./71/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./70/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./71/cgroup", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./70/cgroup.cpu", [pid 5842] unlink("./71/cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5842] getdents64(3, [pid 5835] unlink("./70/cgroup.cpu" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5842] close(3) = 0 [pid 5835] umount2("./70/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] rmdir("./71") = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./70/cgroup", [pid 5842] mkdir("./72", 0777 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5835] unlink("./70/cgroup") = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./70") = 0 [pid 5835] mkdir("./71", 0777) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6244 attached [pid 6244] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 75 [pid 6244] <... set_robust_list resumed>) = 0 [pid 6244] chdir("./72") = 0 [pid 6244] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6245 attached ) = 0 [pid 6245] set_robust_list(0x5555617a06a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 74 [pid 6244] setpgid(0, 0 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] <... setpgid resumed>) = 0 [pid 6245] chdir("./71") = 0 [pid 6244] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6244] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6241] <... writev resumed>) = 61440 [pid 6245] <... prctl resumed>) = 0 [pid 6241] close(3 [pid 6245] setpgid(0, 0 [pid 6244] <... symlink resumed>) = 0 [pid 6241] <... close resumed>) = 0 [pid 6245] <... setpgid resumed>) = 0 [pid 6244] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6241] close(4 [pid 6245] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6244] <... symlink resumed>) = 0 [pid 6241] <... close resumed>) = 0 [pid 6245] <... symlink resumed>) = 0 [pid 6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6241] close(5 [pid 6245] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6244] <... openat resumed>) = 3 [pid 6245] <... symlink resumed>) = 0 [pid 6245] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6244] write(3, "1000", 4 [pid 6241] <... close resumed>) = 0 [pid 6245] <... symlink resumed>) = 0 [pid 6244] <... write resumed>) = 4 [pid 6241] close(6 [pid 6245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6244] close(3 [pid 6245] <... openat resumed>) = 3 [pid 6244] <... close resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(7 [pid 6245] write(3, "1000", 4 [pid 6244] symlink("/dev/binderfs", "./binderfs" [pid 6245] <... write resumed>) = 4 [pid 6244] <... symlink resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(3 [pid 6244] write(1, "executing program\n", 18executing program [pid 6241] close(8 [pid 6245] <... close resumed>) = 0 [pid 6244] <... write resumed>) = 18 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6241] close(9 [pid 6244] <... socket resumed>) = 3 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12executing program [pid 6245] symlink("/dev/binderfs", "./binderfs" [pid 6244] <... sendto resumed>) = 32 [pid 6241] close(10 [pid 6245] <... symlink resumed>) = 0 [pid 6244] recvfrom(3, [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] write(1, "executing program\n", 18 [pid 6244] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=75}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6241] close(11 [pid 6245] <... write resumed>) = 18 [pid 6244] recvfrom(3, [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6244] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=75}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6241] close(12 [pid 6245] <... socket resumed>) = 3 [pid 6244] close(3 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] <... close resumed>) = 0 [pid 6241] close(13) = -1 EBADF (Bad file descriptor) [pid 6245] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6241] close(14 [pid 6245] <... sendto resumed>) = 32 [pid 6244] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] recvfrom(3, [pid 6244] <... socket resumed>) = 3 [pid 6241] close(15 [pid 6245] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=74}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6244] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6245] recvfrom(3, [pid 6244] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=74}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6244] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6241] close(16 [pid 6245] close(3 [pid 6244] <... sendmsg resumed>) = 44 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... close resumed>) = 0 [pid 6244] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6241] close(17 [pid 6245] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6244] <... openat resumed>) = 4 [pid 6245] <... socket resumed>) = 3 [pid 6244] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6244] <... openat resumed>) = 5 [pid 6241] close(18 [pid 6245] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6241] close(19 [pid 6245] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... sendmsg resumed>) = 44 [pid 6241] close(20 [pid 6245] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... openat resumed>) = 4 [pid 6245] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6241] close(21 [pid 6243] <... writev resumed>) = 61440 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... openat resumed>) = 5 [pid 6243] close(3 [pid 6241] close(22 [pid 6243] <... close resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] close(23) = -1 EBADF (Bad file descriptor) [pid 6245] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6241] close(24) = -1 EBADF (Bad file descriptor) [pid 6243] close(4 [pid 6241] close(25 [pid 6243] <... close resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(5 [pid 6241] close(26 [pid 6243] <... close resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(6 [pid 6241] close(27 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(7 [pid 6241] close(28 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(8 [pid 6241] close(29 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(9) = -1 EBADF (Bad file descriptor) [pid 6241] exit_group(0 [pid 6243] close(10) = -1 EBADF (Bad file descriptor) [pid 6241] <... exit_group resumed>) = ? [pid 6243] close(11 [pid 6241] +++ exited with 0 +++ [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(12) = -1 EBADF (Bad file descriptor) [pid 6243] close(13) = -1 EBADF (Bad file descriptor) [pid 6243] close(14) = -1 EBADF (Bad file descriptor) [pid 6243] close(15) = -1 EBADF (Bad file descriptor) [pid 6243] close(16) = -1 EBADF (Bad file descriptor) [pid 6243] close(17) = -1 EBADF (Bad file descriptor) [pid 6243] close(18) = -1 EBADF (Bad file descriptor) [pid 6243] close(19) = -1 EBADF (Bad file descriptor) [pid 6243] close(20) = -1 EBADF (Bad file descriptor) [pid 6243] close(21) = -1 EBADF (Bad file descriptor) [pid 6243] close(22) = -1 EBADF (Bad file descriptor) [pid 6243] close(23) = -1 EBADF (Bad file descriptor) [pid 6243] close(24) = -1 EBADF (Bad file descriptor) [pid 6242] <... writev resumed>) = 61440 [pid 6243] close(25 [pid 6242] close(3 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = 0 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6243] close(26 [pid 5839] <... restart_syscall resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(4 [pid 6243] close(27 [pid 6242] <... close resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(5 [pid 6243] close(28) = -1 EBADF (Bad file descriptor) [pid 6243] close(29 [pid 6242] <... close resumed>) = 0 [pid 5839] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(6 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] exit_group(0) = ? [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6243] +++ exited with 0 +++ [pid 6242] close(7 [pid 5839] <... openat resumed>) = 3 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 6242] close(8 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] close(9 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./68/binderfs", [pid 6242] close(10 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./68/binderfs" [pid 6242] close(11 [pid 5839] <... unlink resumed>) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./68/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] close(12 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./68/cgroup.net", [pid 6242] close(13 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(14 [pid 5839] unlink("./68/cgroup.net" [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 6242] close(15 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(16 [pid 5839] umount2("./68/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] close(17 [pid 5839] newfstatat(AT_FDCWD, "./68/cgroup.cpu", [pid 5838] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] close(18 [pid 5839] unlink("./68/cgroup.cpu" [pid 5838] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 6242] close(19) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./68/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 6242] close(20 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./68/cgroup", [pid 5838] getdents64(3, [pid 6242] close(21 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(22 [pid 5839] unlink("./68/cgroup" [pid 5838] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(23 [pid 5839] <... unlink resumed>) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] close(24 [pid 5839] getdents64(3, [pid 5838] newfstatat(AT_FDCWD, "./72/binderfs", [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6242] close(25) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] unlink("./72/binderfs" [pid 5839] close(3 [pid 5838] <... unlink resumed>) = 0 [pid 6242] close(26 [pid 5839] <... close resumed>) = 0 [pid 5838] umount2("./72/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(27 [pid 5839] rmdir("./68" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(28 [pid 5839] <... rmdir resumed>) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir("./69", 0777 [pid 5838] newfstatat(AT_FDCWD, "./72/cgroup.net", [pid 6242] close(29 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./72/cgroup.net" [pid 6242] exit_group(0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... unlink resumed>) = 0 [pid 5838] umount2("./72/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6242] <... exit_group resumed>) = ? [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./72/cgroup.cpu") = 0 [pid 5838] umount2("./72/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6242] +++ exited with 0 +++ [pid 5838] unlink("./72/cgroup") = 0 ./strace-static-x86_64: Process 6246 attached [pid 5838] getdents64(3, [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 72 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 6246] set_robust_list(0x5555617a06a0, 24 [pid 5838] rmdir("./72" [pid 6246] <... set_robust_list resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6246] chdir("./69" [pid 5840] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6246] <... chdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] mkdir("./73", 0777 [pid 6246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... openat resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 6246] <... prctl resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 6246] setpgid(0, 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6246] <... setpgid resumed>) = 0 [pid 5840] getdents64(3, [pid 6246] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6246] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6246] <... symlink resumed>) = 0 [pid 5840] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6246] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5840] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./69/binderfs" [pid 6246] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6247 attached [pid 6246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... unlink resumed>) = 0 [pid 6247] set_robust_list(0x5555617a06a0, 24 [pid 6246] <... openat resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 76 [pid 5840] umount2("./69/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] <... set_robust_list resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] chdir("./73" [pid 6246] write(3, "1000", 4 [pid 5840] newfstatat(AT_FDCWD, "./69/cgroup.net", [pid 6247] <... chdir resumed>) = 0 [pid 6246] <... write resumed>) = 4 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6246] close(3 [pid 5840] unlink("./69/cgroup.net" [pid 6247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6246] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6247] <... prctl resumed>) = 0 [pid 6246] symlink("/dev/binderfs", "./binderfs" [pid 5840] umount2("./69/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] setpgid(0, 0 [pid 6246] <... symlink resumed>) = 0 [pid 6247] <... setpgid resumed>) = 0 executing program [pid 6246] write(1, "executing program\n", 18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6246] <... write resumed>) = 18 [pid 5840] newfstatat(AT_FDCWD, "./69/cgroup.cpu", [pid 6247] <... symlink resumed>) = 0 [pid 6246] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6247] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5840] unlink("./69/cgroup.cpu" [pid 6247] <... symlink resumed>) = 0 [pid 6246] <... socket resumed>) = 3 [pid 6246] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5840] <... unlink resumed>) = 0 [pid 6247] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6246] <... sendto resumed>) = 32 [pid 6247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6246] recvfrom(3, [pid 5840] umount2("./69/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] <... openat resumed>) = 3 [pid 6246] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=72}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] write(3, "1000", 4 [pid 6246] recvfrom(3, [pid 5840] newfstatat(AT_FDCWD, "./69/cgroup", [pid 6247] <... write resumed>) = 4 [pid 6246] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=72}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6247] close(3 [pid 6246] close(3 [pid 6247] <... close resumed>) = 0 [pid 6246] <... close resumed>) = 0 [pid 6247] symlink("/dev/binderfs", "./binderfs" [pid 5840] unlink("./69/cgroup" [pid 6247] <... symlink resumed>) = 0 [pid 6246] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] <... unlink resumed>) = 0 executing program [pid 6247] write(1, "executing program\n", 18 [pid 6246] <... socket resumed>) = 3 [pid 5840] getdents64(3, [pid 6247] <... write resumed>) = 18 [pid 6246] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6247] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6246] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5840] close(3 [pid 6247] <... socket resumed>) = 3 [pid 6246] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5840] <... close resumed>) = 0 [pid 6247] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6246] <... sendmsg resumed>) = 44 [pid 5840] rmdir("./69" [pid 6247] <... sendto resumed>) = 32 [pid 6246] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5840] <... rmdir resumed>) = 0 [pid 6247] recvfrom(3, [pid 6246] <... openat resumed>) = 4 [pid 6247] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=76}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5840] mkdir("./70", 0777 [pid 6246] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6247] recvfrom(3, [pid 6246] <... openat resumed>) = 5 [pid 6247] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=76}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6246] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] <... mkdir resumed>) = 0 [pid 6247] close(3) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6247] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6244] <... writev resumed>) = 61440 [pid 6247] <... socket resumed>) = 3 [pid 6244] close(3 [pid 6247] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6245] <... writev resumed>) = 61440 [pid 6244] <... close resumed>) = 0 [pid 6245] close(3 [pid 6247] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6245] <... close resumed>) = 0 [pid 6247] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6244] close(4 [pid 6247] <... sendmsg resumed>) = 44 [pid 6247] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6244] <... close resumed>) = 0 [pid 6247] <... openat resumed>) = 4 [pid 6245] close(4./strace-static-x86_64: Process 6248 attached [pid 6247] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6245] <... close resumed>) = 0 [pid 6244] close(5 [pid 6248] set_robust_list(0x5555617a06a0, 24 [pid 6247] <... openat resumed>) = 5 [pid 6245] close(5 [pid 6244] <... close resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 73 [pid 6248] <... set_robust_list resumed>) = 0 [pid 6247] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6245] <... close resumed>) = 0 [pid 6244] close(6 [pid 6248] chdir("./70" [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... chdir resumed>) = 0 [pid 6245] close(6 [pid 6244] close(7 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] <... writev resumed>) = 61440 [pid 6245] close(7 [pid 6244] close(8 [pid 6248] setpgid(0, 0) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(8 [pid 6244] close(9 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] close(3 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] <... close resumed>) = 0 [pid 6246] close(4) = 0 [pid 6246] close(5 [pid 6248] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6245] close(9 [pid 6244] close(10) = -1 EBADF (Bad file descriptor) [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] <... close resumed>) = 0 [pid 6248] <... symlink resumed>) = 0 [pid 6245] close(10 [pid 6246] close(6) = -1 EBADF (Bad file descriptor) [pid 6248] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6246] close(7 [pid 6248] <... symlink resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(11 [pid 6248] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6246] close(8) = -1 EBADF (Bad file descriptor) [pid 6246] close(9) = -1 EBADF (Bad file descriptor) [pid 6246] close(10 [pid 6248] <... symlink resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6246] close(11) = -1 EBADF (Bad file descriptor) [pid 6246] close(12) = -1 EBADF (Bad file descriptor) [pid 6246] close(13) = -1 EBADF (Bad file descriptor) [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... openat resumed>) = 3 [pid 6246] close(14 [pid 6244] close(12 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] close(15) = -1 EBADF (Bad file descriptor) [pid 6248] write(3, "1000", 4 [pid 6245] close(11 [pid 6248] <... write resumed>) = 4 [pid 6246] close(16 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(3 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(12 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] close(17 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(13 [pid 6248] <... close resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] symlink("/dev/binderfs", "./binderfs" [pid 6246] close(18 [pid 6248] <... symlink resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] close(19) = -1 EBADF (Bad file descriptor) [pid 6246] close(20 [pid 6248] write(1, "executing program\n", 18 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] close(21executing program ) = -1 EBADF (Bad file descriptor) [pid 6248] <... write resumed>) = 18 [pid 6245] close(13 [pid 6246] close(22 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] close(23 [pid 6244] close(14 [pid 6248] <... socket resumed>) = 3 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6246] close(24 [pid 6248] <... sendto resumed>) = 32 [pid 6245] close(14 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] recvfrom(3, [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=73}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6248] recvfrom(3, [pid 6246] close(25 [pid 6248] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=73}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(3 [pid 6246] close(26 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(15 [pid 6248] <... close resumed>) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(15 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6246] close(27 [pid 6248] <... socket resumed>) = 3 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6246] close(28 [pid 6248] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6246] close(29) = -1 EBADF (Bad file descriptor) [pid 6246] exit_group(0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(16 [pid 6245] close(16 [pid 6248] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6246] <... exit_group resumed>) = ? [pid 6248] <... openat resumed>) = 4 [pid 6248] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6246] +++ exited with 0 +++ [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... openat resumed>) = 5 [pid 6245] close(17 [pid 6244] close(17 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6248] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(18) = -1 EBADF (Bad file descriptor) [pid 6244] close(18 [pid 6245] close(19) = -1 EBADF (Bad file descriptor) [pid 6245] close(20) = -1 EBADF (Bad file descriptor) [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(19) = -1 EBADF (Bad file descriptor) [pid 6244] close(20) = -1 EBADF (Bad file descriptor) [pid 6244] close(21) = -1 EBADF (Bad file descriptor) [pid 6244] close(22) = -1 EBADF (Bad file descriptor) [pid 6244] close(23) = -1 EBADF (Bad file descriptor) [pid 6244] close(24) = -1 EBADF (Bad file descriptor) [pid 6244] close(25) = -1 EBADF (Bad file descriptor) [pid 6244] close(26) = -1 EBADF (Bad file descriptor) [pid 6244] close(27) = -1 EBADF (Bad file descriptor) [pid 6244] close(28) = -1 EBADF (Bad file descriptor) [pid 6244] close(29) = -1 EBADF (Bad file descriptor) [pid 6244] exit_group(0) = ? [pid 6247] <... writev resumed>) = 61440 [pid 6245] close(21 [pid 6244] +++ exited with 0 +++ [pid 5839] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(22 [pid 6247] close(3) = 0 [pid 6247] close(4) = 0 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] close(23 [pid 5839] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6247] close(5) = 0 [pid 6247] close(6 [pid 5842] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6247] close(7 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] close(8 [pid 5842] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(24 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6247] close(9 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(25 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 6247] close(10 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 6245] close(26 [pid 5839] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] close(11 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(27 [pid 5839] newfstatat(AT_FDCWD, "./69/binderfs", [pid 6247] close(12 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] close(28 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] close(13 [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./69/binderfs" [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5839] <... unlink resumed>) = 0 [pid 6247] close(14 [pid 6245] close(29 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./69/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] close(15 [pid 6245] exit_group(0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... exit_group resumed>) = ? [pid 5842] unlink("./72/binderfs" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] close(16 [pid 6245] +++ exited with 0 +++ [pid 5842] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./69/cgroup.net", [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./72/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6247] close(17 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./69/cgroup.net" [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./72/cgroup.net", [pid 5839] <... unlink resumed>) = 0 [pid 6247] close(18 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./69/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] close(19 [pid 5842] unlink("./72/cgroup.net" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./69/cgroup.cpu", [pid 6247] close(20 [pid 5842] umount2("./72/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./69/cgroup.cpu" [pid 6247] close(21 [pid 5839] <... unlink resumed>) = 0 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6247] close(22) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./72/cgroup.cpu", [pid 5839] umount2("./69/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] close(23) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] close(24 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./69/cgroup", [pid 5835] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./72/cgroup.cpu" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6247] close(25 [pid 5842] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./69/cgroup" [pid 6247] close(26 [pid 5842] umount2("./72/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] getdents64(3, [pid 5835] <... openat resumed>) = 3 [pid 6247] close(27 [pid 5842] newfstatat(AT_FDCWD, "./72/cgroup", [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] newfstatat(3, "", [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6247] close(28 [pid 5839] close(3 [pid 6247] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./72/cgroup" [pid 5839] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6247] close(29) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] rmdir("./69" [pid 5835] getdents64(3, [pid 6247] exit_group(0 [pid 5842] getdents64(3, [pid 6247] <... exit_group resumed>) = ? [pid 5839] <... rmdir resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6247] +++ exited with 0 +++ [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5839] mkdir("./70", 0777 [pid 5842] close(3 [pid 5839] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... close resumed>) = 0 [pid 5835] unlink("./71/binderfs" [pid 5842] rmdir("./72" [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6249 attached [pid 5842] <... rmdir resumed>) = 0 [pid 5835] umount2("./71/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] mkdir("./73", 0777 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... mkdir resumed>) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5835] newfstatat(AT_FDCWD, "./71/cgroup.net", [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 73 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6250 attached [pid 6249] set_robust_list(0x5555617a06a0, 24 [pid 6250] set_robust_list(0x5555617a06a0, 24 [pid 5835] unlink("./71/cgroup.net") = 0 [pid 5835] umount2("./71/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./71/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] umount2("./71/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", [pid 6250] <... set_robust_list resumed>) = 0 [pid 6250] chdir("./73" [pid 5835] newfstatat(AT_FDCWD, "./71/cgroup", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./71/cgroup") = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3 [pid 5838] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] rmdir("./71" [pid 5838] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 76 [pid 5838] unlink("./73/binderfs" [pid 5835] mkdir("./72", 0777 [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5838] umount2("./73/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] <... set_robust_list resumed>) = 0 [pid 6250] <... chdir resumed>) = 0 [pid 6249] chdir("./70" [pid 6250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6249] <... chdir resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./73/cgroup.net", [pid 6249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6250] <... prctl resumed>) = 0 [pid 6249] <... prctl resumed>) = 0 [pid 5838] unlink("./73/cgroup.net" [pid 6250] setpgid(0, 0 [pid 6249] setpgid(0, 0 [pid 5838] <... unlink resumed>) = 0 [pid 6250] <... setpgid resumed>) = 0 [pid 6249] <... setpgid resumed>) = 0 [pid 5838] umount2("./73/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6249] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] <... symlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./73/cgroup.cpu", [pid 6250] <... symlink resumed>) = 0 [pid 6249] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6249] <... symlink resumed>) = 0 [pid 6250] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6249] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5838] unlink("./73/cgroup.cpu" [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 75 [pid 6250] <... symlink resumed>) = 0 [pid 6249] <... symlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6250] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6251 attached [pid 6250] <... symlink resumed>) = 0 [pid 6249] <... openat resumed>) = 3 [pid 5838] umount2("./73/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6251] set_robust_list(0x5555617a06a0, 24 [pid 6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6249] write(3, "1000", 4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6251] <... set_robust_list resumed>) = 0 [pid 6250] <... openat resumed>) = 3 [pid 6249] <... write resumed>) = 4 [pid 5838] newfstatat(AT_FDCWD, "./73/cgroup", [pid 6251] chdir("./72" [pid 6249] close(3 [pid 6250] write(3, "1000", 4 [pid 6249] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6250] <... write resumed>) = 4 [pid 6249] symlink("/dev/binderfs", "./binderfs"executing program [pid 5838] unlink("./73/cgroup" [pid 6250] close(3 [pid 6249] <... symlink resumed>) = 0 [pid 6250] <... close resumed>) = 0 [pid 6249] write(1, "executing program\n", 18 [pid 5838] <... unlink resumed>) = 0 [pid 6251] <... chdir resumed>) = 0 [pid 6250] symlink("/dev/binderfs", "./binderfs" [pid 6249] <... write resumed>) = 18 [pid 6248] <... writev resumed>) = 61440 [pid 5838] getdents64(3, executing program [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6250] <... symlink resumed>) = 0 [pid 6249] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6248] close(3 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6251] <... prctl resumed>) = 0 [pid 6250] write(1, "executing program\n", 18 [pid 6249] <... socket resumed>) = 3 [pid 6248] <... close resumed>) = 0 [pid 5838] close(3 [pid 6251] setpgid(0, 0 [pid 6250] <... write resumed>) = 18 [pid 6249] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6248] close(4 [pid 5838] <... close resumed>) = 0 [pid 6251] <... setpgid resumed>) = 0 [pid 6250] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6249] <... sendto resumed>) = 32 [pid 6248] <... close resumed>) = 0 [pid 6251] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6250] <... socket resumed>) = 3 [pid 6249] recvfrom(3, [pid 6248] close(5 [pid 5838] rmdir("./73" [pid 6251] <... symlink resumed>) = 0 [pid 6249] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=73}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6251] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6250] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6249] recvfrom(3, [pid 6248] <... close resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 6251] <... symlink resumed>) = 0 [pid 6250] <... sendto resumed>) = 32 [pid 6249] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=73}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6248] close(6 [pid 5838] mkdir("./74", 0777 [pid 6251] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6250] recvfrom(3, [pid 6249] close(3 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mkdir resumed>) = 0 [pid 6250] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=76}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6249] <... close resumed>) = 0 [pid 6248] close(7 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6251] <... symlink resumed>) = 0 [pid 6250] recvfrom(3, [pid 6249] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6252 attached [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6250] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=76}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6249] <... socket resumed>) = 3 [pid 6248] close(8 [pid 6252] set_robust_list(0x5555617a06a0, 24 [pid 6251] <... openat resumed>) = 3 [pid 6250] close(3 [pid 6249] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 77 [pid 6252] <... set_robust_list resumed>) = 0 [pid 6251] write(3, "1000", 4 [pid 6250] <... close resumed>) = 0 [pid 6249] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6248] close(9 [pid 6252] chdir("./74" [pid 6251] <... write resumed>) = 4 [pid 6250] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6249] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] <... chdir resumed>) = 0 [pid 6251] close(3 [pid 6250] <... socket resumed>) = 3 [pid 6249] <... sendmsg resumed>) = 44 [pid 6248] close(10 [pid 6252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6251] <... close resumed>) = 0 [pid 6250] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6249] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] <... prctl resumed>) = 0 [pid 6251] symlink("/dev/binderfs", "./binderfs" [pid 6250] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6249] <... openat resumed>) = 4 [pid 6248] close(11 [pid 6251] <... symlink resumed>) = 0 [pid 6250] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6249] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] <... sendmsg resumed>) = 44 [pid 6249] <... openat resumed>) = 5 [pid 6248] close(12 [pid 6250] openat(AT_FDCWD, "/dev/sequencer", O_RDONLYexecuting program [pid 6249] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] write(1, "executing program\n", 18 [pid 6250] <... openat resumed>) = 4 [pid 6248] close(13 [pid 6252] setpgid(0, 0 [pid 6251] <... write resumed>) = 18 [pid 6250] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] <... setpgid resumed>) = 0 [pid 6251] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6248] close(14 [pid 6252] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... socket resumed>) = 3 [pid 6248] close(15) = -1 EBADF (Bad file descriptor) [pid 6252] <... symlink resumed>) = 0 [pid 6251] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6252] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6251] <... sendto resumed>) = 32 [pid 6248] close(16 [pid 6252] <... symlink resumed>) = 0 [pid 6251] recvfrom(3, [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6251] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=75}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6252] <... symlink resumed>) = 0 [pid 6251] recvfrom(3, [pid 6248] close(17 [pid 6252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6251] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=75}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6252] <... openat resumed>) = 3 [pid 6251] close(3 [pid 6252] write(3, "1000", 4 [pid 6251] <... close resumed>) = 0 [pid 6252] <... write resumed>) = 4 [pid 6252] close(3) = 0 [pid 6252] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6251] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6252] write(1, "executing program\n", 18 [pid 6251] <... socket resumed>) = 3 [pid 6250] <... openat resumed>) = 5 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6252] <... write resumed>) = 18 [pid 6251] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6250] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6252] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6251] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6252] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6251] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6248] close(18 [pid 6251] <... sendmsg resumed>) = 44 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6248] close(19 [pid 6251] <... openat resumed>) = 4 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(20 [pid 6252] <... sendto resumed>) = 32 [pid 6251] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... openat resumed>) = 5 [pid 6248] close(21 [pid 6252] recvfrom(3, [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(22) = -1 EBADF (Bad file descriptor) [pid 6248] close(23 [pid 6252] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=77}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6251] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] recvfrom(3, [pid 6249] <... writev resumed>) = 61440 [pid 6248] close(24 [pid 6252] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=77}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6249] close(3 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(3 [pid 6249] <... close resumed>) = 0 [pid 6248] close(25 [pid 6252] <... close resumed>) = 0 [pid 6249] close(4 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6249] <... close resumed>) = 0 [pid 6248] close(26 [pid 6252] <... socket resumed>) = 3 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6248] close(27 [pid 6252] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6249] close(5 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = 0 [pid 6248] close(28 [pid 6252] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] <... sendmsg resumed>) = 44 [pid 6249] close(6) = -1 EBADF (Bad file descriptor) [pid 6248] close(29 [pid 6252] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6249] close(7 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] <... openat resumed>) = 4 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(8 [pid 6248] exit_group(0 [pid 6252] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(9 [pid 6248] <... exit_group resumed>) = ? [pid 6252] <... openat resumed>) = 5 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(10) = -1 EBADF (Bad file descriptor) [pid 6249] close(11 [pid 6252] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(12) = -1 EBADF (Bad file descriptor) [pid 6250] <... writev resumed>) = 61440 [pid 6249] close(13 [pid 6248] +++ exited with 0 +++ [pid 6250] close(3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6250] <... close resumed>) = 0 [pid 6250] close(4) = 0 [pid 5840] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] close(5 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] close(14 [pid 5840] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] <... close resumed>) = 0 [pid 6249] close(15 [pid 5840] <... openat resumed>) = 3 [pid 6250] close(6 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(16 [pid 5840] newfstatat(3, "", [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(7 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(17 [pid 5840] getdents64(3, [pid 6250] close(8 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(9 [pid 6249] close(18 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] close(10 [pid 6249] close(19 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] close(20 [pid 5840] newfstatat(AT_FDCWD, "./70/binderfs", [pid 6250] close(11 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(21 [pid 5840] unlink("./70/binderfs" [pid 6250] close(12 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./70/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] close(13 [pid 6249] close(22 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(14 [pid 6249] close(23 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(15 [pid 6249] close(24 [pid 5840] newfstatat(AT_FDCWD, "./70/cgroup.net", [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6250] close(16) = -1 EBADF (Bad file descriptor) [pid 6249] close(25 [pid 5840] unlink("./70/cgroup.net" [pid 6250] close(17 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(26 [pid 5840] umount2("./70/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] close(18 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(27 [pid 6250] close(19 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./70/cgroup.cpu", [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(28 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(20 [pid 6249] close(29 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./70/cgroup.cpu" [pid 6250] close(21 [pid 6249] exit_group(0 [pid 5840] <... unlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... exit_group resumed>) = ? [pid 5840] umount2("./70/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6250] close(22 [pid 6249] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(23 [pid 5840] newfstatat(AT_FDCWD, "./70/cgroup", [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6250] close(24 [pid 5840] unlink("./70/cgroup" [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6250] close(25 [pid 5840] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3) = 0 [pid 6250] close(26) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./70" [pid 6250] close(27) = -1 EBADF (Bad file descriptor) [pid 6250] close(28) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 6250] close(29) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./71", 0777 [pid 6250] exit_group(0 [pid 5840] <... mkdir resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6250] <... exit_group resumed>) = ? [pid 6250] +++ exited with 0 +++ [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6253 attached [pid 5839] getdents64(3, [pid 6253] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 74 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6253] <... set_robust_list resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5839] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] chdir("./71" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./70/binderfs", [pid 6253] <... chdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./70/binderfs" [pid 6253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 6253] <... prctl resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] setpgid(0, 0 [pid 5842] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./70/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] <... setpgid resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5842] newfstatat(3, "", [pid 5839] newfstatat(AT_FDCWD, "./70/cgroup.net", [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5842] getdents64(3, [pid 5839] unlink("./70/cgroup.net" [pid 6253] <... symlink resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... unlink resumed>) = 0 [pid 6253] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5842] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./70/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] <... symlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./70/cgroup.cpu", [pid 5842] newfstatat(AT_FDCWD, "./73/binderfs", [pid 6253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] <... openat resumed>) = 3 [pid 5842] unlink("./73/binderfs" [pid 6253] write(3, "1000", 4 [pid 5842] <... unlink resumed>) = 0 [pid 5839] unlink("./70/cgroup.cpu" [pid 6253] <... write resumed>) = 4 [pid 6253] close(3 [pid 5839] <... unlink resumed>) = 0 [pid 6253] <... close resumed>) = 0 [pid 5842] umount2("./73/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./70/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] symlink("/dev/binderfs", "./binderfs" [pid 5842] newfstatat(AT_FDCWD, "./73/cgroup.net", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] <... symlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./70/cgroup", executing program [pid 6253] write(1, "executing program\n", 18 [pid 5842] unlink("./73/cgroup.net" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] <... write resumed>) = 18 [pid 5842] <... unlink resumed>) = 0 [pid 5839] unlink("./70/cgroup" [pid 5842] umount2("./73/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6253] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] <... socket resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./73/cgroup.cpu", [pid 5839] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] unlink("./73/cgroup.cpu" [pid 5839] getdents64(3, [pid 6253] <... sendto resumed>) = 32 [pid 6253] recvfrom(3, [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6253] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=74}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] umount2("./73/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] close(3 [pid 6253] recvfrom(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... close resumed>) = 0 [pid 6253] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=74}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] newfstatat(AT_FDCWD, "./73/cgroup", [pid 5839] rmdir("./70" [pid 6253] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] <... close resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 6253] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] unlink("./73/cgroup" [pid 5839] mkdir("./71", 0777 [pid 6253] <... socket resumed>) = 3 [pid 5842] <... unlink resumed>) = 0 [pid 6253] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5839] <... mkdir resumed>) = 0 [pid 6253] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6253] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] close(3 [pid 6253] <... sendmsg resumed>) = 44 [pid 6253] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] <... close resumed>) = 0 [pid 6253] <... openat resumed>) = 4 [pid 5842] rmdir("./73" [pid 6253] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] <... rmdir resumed>) = 0 [pid 6253] <... openat resumed>) = 5 [pid 5842] mkdir("./74", 0777) = 0 [pid 6253] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2./strace-static-x86_64: Process 6254 attached [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6254] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 74 [pid 6254] <... set_robust_list resumed>) = 0 [pid 6254] chdir("./71") = 0 [pid 6251] <... writev resumed>) = 61440 [pid 6251] close(3 [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6251] <... close resumed>) = 0 [pid 6254] setpgid(0, 0) = 0 [pid 6251] close(4) = 0 [pid 6254] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6254] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6252] <... writev resumed>) = 61440 [pid 6251] close(5 [pid 6254] <... symlink resumed>) = 0 [pid 6252] close(3 [pid 6251] <... close resumed>) = 0 [pid 6254] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6252] <... close resumed>) = 0 [pid 6254] <... symlink resumed>) = 0 [pid 6251] close(6./strace-static-x86_64: Process 6255 attached [pid 6252] close(4 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] set_robust_list(0x5555617a06a0, 24 [pid 6252] <... close resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 77 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6255] chdir("./74" [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6251] close(7 [pid 6255] <... chdir resumed>) = 0 [pid 6254] <... openat resumed>) = 3 [pid 6253] <... writev resumed>) = 61440 [pid 6252] close(5 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6254] write(3, "1000", 4 [pid 6253] close(3 [pid 6252] <... close resumed>) = 0 [pid 6255] <... prctl resumed>) = 0 [pid 6254] <... write resumed>) = 4 [pid 6251] close(8 [pid 6255] setpgid(0, 0 [pid 6254] close(3 [pid 6253] <... close resumed>) = 0 [pid 6252] close(6 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... setpgid resumed>) = 0 [pid 6254] <... close resumed>) = 0 [pid 6253] close(4 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(9 [pid 6255] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6254] symlink("/dev/binderfs", "./binderfs" [pid 6253] <... close resumed>) = 0 [pid 6252] close(7 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... symlink resumed>) = 0 [pid 6254] <... symlink resumed>) = 0 [pid 6253] close(5 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(10 [pid 6255] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"executing program [pid 6254] write(1, "executing program\n", 18 [pid 6253] <... close resumed>) = 0 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... write resumed>) = 18 [pid 6253] close(6 [pid 6252] close(8 [pid 6251] close(11 [pid 6254] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(7 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... socket resumed>) = 3 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(9 [pid 6251] close(12 [pid 6254] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6253] close(8 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... symlink resumed>) = 0 [pid 6254] <... sendto resumed>) = 32 [pid 6255] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6254] recvfrom(3, [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(10 [pid 6251] close(13 [pid 6255] <... symlink resumed>) = 0 [pid 6254] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=74}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6253] close(9 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6254] recvfrom(3, [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(11 [pid 6251] close(14 [pid 6255] <... openat resumed>) = 3 [pid 6254] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=74}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6253] close(10 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] write(3, "1000", 4 [pid 6254] close(3 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(12 [pid 6251] close(15 [pid 6255] <... write resumed>) = 4 [pid 6254] <... close resumed>) = 0 [pid 6253] close(11 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(3 [pid 6254] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(13 [pid 6251] close(16 [pid 6255] <... close resumed>) = 0 [pid 6254] <... socket resumed>) = 3 [pid 6253] close(12 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] symlink("/dev/binderfs", "./binderfs" [pid 6254] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(14 [pid 6251] close(17 [pid 6254] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6253] close(13 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... symlink resumed>) = 0 [pid 6254] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(15 [pid 6251] close(18executing program [pid 6255] write(1, "executing program\n", 18 [pid 6254] <... sendmsg resumed>) = 44 [pid 6254] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6253] close(14 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... write resumed>) = 18 [pid 6254] <... openat resumed>) = 4 [pid 6252] close(16 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6253] close(15 [pid 6252] close(17 [pid 6251] close(19 [pid 6254] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... openat resumed>) = 5 [pid 6252] close(18 [pid 6255] <... socket resumed>) = 3 [pid 6253] close(16 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(20 [pid 6255] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6254] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(19 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... sendto resumed>) = 32 [pid 6253] close(17 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] recvfrom(3, [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(20 [pid 6251] close(21 [pid 6255] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=77}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] recvfrom(3, [pid 6252] close(21 [pid 6255] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=77}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(22 [pid 6255] close(3 [pid 6254] <... writev resumed>) = 61440 [pid 6253] close(18 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(22) = -1 EBADF (Bad file descriptor) [pid 6253] close(19 [pid 6252] close(23 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(23 [pid 6253] close(20 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(24 [pid 6253] close(21 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(24 [pid 6254] close(3 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(25 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(22 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(25 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(26 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(23 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(26 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(27 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(24 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(27 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(28 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(25 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(28 [pid 6255] <... close resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(29 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6253] close(26 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(29 [pid 6254] <... close resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... socket resumed>) = 3 [pid 6254] close(4 [pid 6253] close(27 [pid 6252] exit_group(0 [pid 6251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6255] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6253] close(28 [pid 6252] <... exit_group resumed>) = ? [pid 6251] exit_group(0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6253] close(29) = -1 EBADF (Bad file descriptor) [pid 6254] <... close resumed>) = 0 [pid 6255] <... openat resumed>) = 4 [pid 6254] close(5 [pid 6253] exit_group(0 [pid 6252] +++ exited with 0 +++ [pid 6251] <... exit_group resumed>) = ? [pid 6254] <... close resumed>) = 0 [pid 6255] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6251] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6255] <... openat resumed>) = 5 [pid 6254] close(6 [pid 6253] <... exit_group resumed>) = ? [pid 6255] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5838] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 6253] +++ exited with 0 +++ [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] getdents64(3, [pid 5835] getdents64(3, [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] close(7 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] close(8) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./72/binderfs", [pid 6254] close(9 [pid 5840] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] unlink("./74/binderfs" [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] close(10 [pid 5838] umount2("./74/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./72/binderfs" [pid 6254] close(11 [pid 5835] <... unlink resumed>) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(12 [pid 5840] newfstatat(3, "", [pid 5838] newfstatat(AT_FDCWD, "./74/cgroup.net", [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] umount2("./72/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] close(13 [pid 5840] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6254] close(14 [pid 5840] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./74/cgroup.net" [pid 5835] newfstatat(AT_FDCWD, "./72/cgroup.net", [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6254] close(15 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./74/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] close(16 [pid 5840] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5835] unlink("./72/cgroup.net" [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] close(17 [pid 5840] unlink("./71/binderfs" [pid 5835] <... unlink resumed>) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./74/cgroup.cpu", [pid 6254] close(18) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./72/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] close(19 [pid 5840] umount2("./71/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./74/cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] close(20 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./71/cgroup.net", [pid 5835] newfstatat(AT_FDCWD, "./72/cgroup.cpu", [pid 6254] close(21 [pid 5838] umount2("./74/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] close(22 [pid 5840] unlink("./71/cgroup.net" [pid 5838] newfstatat(AT_FDCWD, "./74/cgroup", [pid 5835] unlink("./72/cgroup.cpu" [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] close(23 [pid 5840] umount2("./71/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./74/cgroup" [pid 6254] close(24) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./71/cgroup.cpu", [pid 5835] umount2("./72/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6254] close(25 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(26 [pid 5840] unlink("./71/cgroup.cpu" [pid 5838] getdents64(3, [pid 5835] newfstatat(AT_FDCWD, "./72/cgroup", [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] close(27 [pid 5838] close(3 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 5835] unlink("./72/cgroup" [pid 6254] close(28 [pid 5840] umount2("./71/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] rmdir("./74" [pid 5835] <... unlink resumed>) = 0 [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] close(29 [pid 5840] newfstatat(AT_FDCWD, "./71/cgroup", [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6254] exit_group(0 [pid 5840] unlink("./71/cgroup" [pid 5838] <... rmdir resumed>) = 0 [pid 5835] getdents64(3, [pid 5840] <... unlink resumed>) = 0 [pid 6254] <... exit_group resumed>) = ? [pid 5840] getdents64(3, [pid 5838] mkdir("./75", 0777 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3 [pid 5835] close(3 [pid 6254] +++ exited with 0 +++ [pid 5838] <... mkdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... close resumed>) = 0 [pid 5840] rmdir("./71") = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5835] rmdir("./72" [pid 5840] mkdir("./72", 0777 [pid 5835] <... rmdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5835] mkdir("./73", 0777 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... mkdir resumed>) = 0 [pid 5839] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6257 attached ./strace-static-x86_64: Process 6256 attached [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 75 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 78 [pid 6256] set_robust_list(0x5555617a06a0, 24 [pid 5839] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6256] <... set_robust_list resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 6256] chdir("./75" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6257] set_robust_list(0x5555617a06a0, 24 [pid 6256] <... chdir resumed>) = 0 [pid 5839] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6257] <... set_robust_list resumed>) = 0 [pid 5839] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6257] chdir("./72" [pid 5839] newfstatat(AT_FDCWD, "./71/binderfs", [pid 6257] <... chdir resumed>) = 0 [pid 6256] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6258 attached [pid 6257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 76 [pid 6258] set_robust_list(0x5555617a06a0, 24 [pid 6256] <... prctl resumed>) = 0 [pid 6258] <... set_robust_list resumed>) = 0 [pid 6257] <... prctl resumed>) = 0 [pid 6256] setpgid(0, 0 [pid 5839] unlink("./71/binderfs" [pid 6258] chdir("./73") = 0 [pid 6257] setpgid(0, 0 [pid 6256] <... setpgid resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6257] <... setpgid resumed>) = 0 [pid 6256] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5839] umount2("./71/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6257] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6258] <... prctl resumed>) = 0 [pid 6257] <... symlink resumed>) = 0 [pid 6256] <... symlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] setpgid(0, 0 [pid 6257] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5839] newfstatat(AT_FDCWD, "./71/cgroup.net", [pid 6258] <... setpgid resumed>) = 0 [pid 6257] <... symlink resumed>) = 0 [pid 6258] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6256] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6258] <... symlink resumed>) = 0 [pid 6257] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6256] <... symlink resumed>) = 0 [pid 6258] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6257] <... symlink resumed>) = 0 [pid 6256] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5839] unlink("./71/cgroup.net" [pid 6258] <... symlink resumed>) = 0 [pid 6257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6256] <... symlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6258] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6257] <... openat resumed>) = 3 [pid 6256] <... openat resumed>) = 3 [pid 5839] umount2("./71/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6258] <... symlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6257] write(3, "1000", 4 [pid 5839] newfstatat(AT_FDCWD, "./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6257] <... write resumed>) = 4 [pid 5839] unlink("./71/cgroup.cpu" [pid 6258] <... openat resumed>) = 3 [pid 6257] close(3 [pid 6256] write(3, "1000", 4 [pid 5839] <... unlink resumed>) = 0 [pid 6258] write(3, "1000", 4 [pid 6257] <... close resumed>) = 0 [pid 6256] <... write resumed>) = 4 [pid 6258] <... write resumed>) = 4 [pid 6257] symlink("/dev/binderfs", "./binderfs" [pid 6256] close(3 [pid 5839] umount2("./71/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6258] close(3 [pid 6257] <... symlink resumed>) = 0 [pid 6256] <... close resumed>) = 0 [pid 6258] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./71/cgroup", [pid 6258] symlink("/dev/binderfs", "./binderfs" [pid 6256] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6258] <... symlink resumed>) = 0 [pid 6257] write(1, "executing program\n", 18executing program [pid 6256] <... symlink resumed>) = 0 [pid 5839] unlink("./71/cgroup" [pid 6257] <... write resumed>) = 18 [pid 6258] write(1, "executing program\n", 18executing program [pid 6257] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6256] write(1, "executing program\n", 18 [pid 5839] <... unlink resumed>) = 0 [pid 6258] <... write resumed>) = 18 [pid 6258] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6257] <... socket resumed>) = 3 [pid 6256] <... write resumed>) = 18 [pid 6258] <... socket resumed>) = 3 [pid 6257] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6256] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] getdents64(3, [pid 6258] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6256] <... socket resumed>) = 3 [pid 6258] <... sendto resumed>) = 32 [pid 6257] <... sendto resumed>) = 32 [pid 6256] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6258] recvfrom(3, [pid 6257] recvfrom(3, [pid 6256] <... sendto resumed>) = 32 [pid 5839] close(3 [pid 6258] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=76}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6257] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=75}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6256] recvfrom(3, [pid 5839] <... close resumed>) = 0 [pid 6258] recvfrom(3, [pid 6257] recvfrom(3, [pid 6256] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=78}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] rmdir("./71" [pid 6258] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=76}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6257] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=75}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6256] recvfrom(3, [pid 5839] <... rmdir resumed>) = 0 [pid 6258] close(3 [pid 6257] close(3 [pid 6256] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=78}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6258] <... close resumed>) = 0 [pid 6256] close(3 [pid 6255] <... writev resumed>) = 61440 [pid 6257] <... close resumed>) = 0 [pid 6255] close(3 [pid 6256] <... close resumed>) = 0 [pid 6258] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6256] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6258] <... socket resumed>) = 3 [pid 6255] <... close resumed>) = 0 [pid 6257] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] mkdir("./72", 0777 [pid 6256] <... socket resumed>) = 3 [pid 6255] close(4 [pid 6258] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6257] <... socket resumed>) = 3 [pid 6256] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6255] <... close resumed>) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 6258] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6257] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6256] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6258] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6257] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6256] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6255] close(5) = 0 [pid 6255] close(6) = -1 EBADF (Bad file descriptor) [pid 6257] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6255] close(7) = -1 EBADF (Bad file descriptor) [pid 6255] close(8) = -1 EBADF (Bad file descriptor) [pid 6255] close(9) = -1 EBADF (Bad file descriptor) [pid 6255] close(10) = -1 EBADF (Bad file descriptor) [pid 6255] close(11) = -1 EBADF (Bad file descriptor) [pid 6255] close(12) = -1 EBADF (Bad file descriptor) [pid 6255] close(13) = -1 EBADF (Bad file descriptor) [pid 6255] close(14) = -1 EBADF (Bad file descriptor) [pid 6255] close(15) = -1 EBADF (Bad file descriptor) [pid 6255] close(16) = -1 EBADF (Bad file descriptor) [pid 6255] close(17) = -1 EBADF (Bad file descriptor) [pid 6255] close(18) = -1 EBADF (Bad file descriptor) [pid 6255] close(19) = -1 EBADF (Bad file descriptor) [pid 6255] close(20) = -1 EBADF (Bad file descriptor) [pid 6255] close(21) = -1 EBADF (Bad file descriptor) [pid 6255] close(22) = -1 EBADF (Bad file descriptor) [pid 6255] close(23 [pid 6256] <... sendmsg resumed>) = 44 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(24 [pid 6258] <... sendmsg resumed>) = 44 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(25) = -1 EBADF (Bad file descriptor) [pid 6255] close(26) = -1 EBADF (Bad file descriptor) [pid 6255] close(27) = -1 EBADF (Bad file descriptor) [pid 6255] close(28 [pid 6258] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6257] <... sendmsg resumed>) = 44 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(29) = -1 EBADF (Bad file descriptor) [pid 6255] exit_group(0) = ? ./strace-static-x86_64: Process 6259 attached [pid 6258] <... openat resumed>) = 4 [pid 6257] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6256] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6259] set_robust_list(0x5555617a06a0, 24 [pid 6258] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6257] <... openat resumed>) = 4 [pid 6256] <... openat resumed>) = 4 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 75 [pid 6259] <... set_robust_list resumed>) = 0 [pid 6258] <... openat resumed>) = 5 [pid 6256] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6258] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6259] chdir("./72" [pid 6257] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6259] <... chdir resumed>) = 0 [pid 6257] <... openat resumed>) = 5 [pid 6259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6257] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6259] <... prctl resumed>) = 0 [pid 6259] setpgid(0, 0) = 0 [pid 6259] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6256] <... openat resumed>) = 5 [pid 6259] <... symlink resumed>) = 0 [pid 6256] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6255] +++ exited with 0 +++ [pid 6259] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6259] <... symlink resumed>) = 0 [pid 6259] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5842] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6259] <... symlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6259] write(3, "1000", 4 [pid 5842] <... openat resumed>) = 3 [pid 6259] <... write resumed>) = 4 [pid 5842] newfstatat(3, "", [pid 6259] close(3) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 6259] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6259] write(1, "executing program\n", 18 [pid 6257] <... writev resumed>) = 61440 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6257] close(3 [pid 5842] newfstatat(AT_FDCWD, "./74/binderfs", [pid 6257] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6257] close(4 [pid 5842] unlink("./74/binderfs" [pid 6257] <... close resumed>) = 0 [pid 6257] close(5 [pid 5842] <... unlink resumed>) = 0 [pid 6257] <... close resumed>) = 0 [pid 5842] umount2("./74/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6257] close(6 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./74/cgroup.net", executing program [pid 6259] <... write resumed>) = 18 [pid 6257] close(7) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6257] close(8) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./74/cgroup.net" [pid 6257] close(9 [pid 5842] <... unlink resumed>) = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./74/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6257] close(10 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(11 [pid 5842] newfstatat(AT_FDCWD, "./74/cgroup.cpu", [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6257] close(12 [pid 5842] unlink("./74/cgroup.cpu" [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(13) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6257] close(14) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./74/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6257] close(15) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6257] close(16) = -1 EBADF (Bad file descriptor) [pid 6257] close(17 [pid 5842] newfstatat(AT_FDCWD, "./74/cgroup", [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./74/cgroup" [pid 6257] close(18) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 6257] close(19) = -1 EBADF (Bad file descriptor) [pid 6257] close(20 [pid 5842] getdents64(3, [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6257] close(21) = -1 EBADF (Bad file descriptor) [pid 5842] close(3 [pid 6257] close(22 [pid 5842] <... close resumed>) = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./74" [pid 6257] close(23 [pid 5842] <... rmdir resumed>) = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(24) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./75", 0777 [pid 6259] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6257] close(25 [pid 5842] <... mkdir resumed>) = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] <... socket resumed>) = 3 [pid 6257] close(26) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6259] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6257] close(27 [pid 6259] <... sendto resumed>) = 32 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(28) = -1 EBADF (Bad file descriptor) [pid 6259] recvfrom(3, [pid 6257] close(29./strace-static-x86_64: Process 6260 attached [pid 6259] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=75}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] set_robust_list(0x5555617a06a0, 24 [pid 6259] recvfrom(3, [pid 6257] exit_group(0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 78 [pid 6260] <... set_robust_list resumed>) = 0 [pid 6259] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=75}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6257] <... exit_group resumed>) = ? [pid 6260] chdir("./75" [pid 6259] close(3 [pid 6257] +++ exited with 0 +++ [pid 6260] <... chdir resumed>) = 0 [pid 6259] <... close resumed>) = 0 [pid 6260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6259] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6260] <... prctl resumed>) = 0 [pid 6259] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6260] setpgid(0, 0 [pid 6259] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6260] <... setpgid resumed>) = 0 [pid 6259] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6260] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6259] <... sendmsg resumed>) = 44 [pid 6260] <... symlink resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6259] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6260] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6259] <... openat resumed>) = 4 [pid 6260] <... symlink resumed>) = 0 [pid 6259] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5840] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6259] <... openat resumed>) = 5 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] <... symlink resumed>) = 0 [pid 6259] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... openat resumed>) = 3 [pid 6260] <... openat resumed>) = 3 [pid 6258] <... writev resumed>) = 61440 [pid 5840] newfstatat(3, "", [pid 6258] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6258] <... close resumed>) = 0 [pid 5840] getdents64(3, [pid 6260] write(3, "1000", 4 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6260] <... write resumed>) = 4 [pid 6258] close(4 [pid 6260] close(3 [pid 6258] <... close resumed>) = 0 [pid 5840] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] <... close resumed>) = 0 [pid 6260] symlink("/dev/binderfs", "./binderfs" [pid 6258] close(5 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] <... symlink resumed>) = 0 [pid 6260] write(1, "executing program\n", 18 [pid 5840] newfstatat(AT_FDCWD, "./72/binderfs", executing program {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6258] <... close resumed>) = 0 [pid 5840] unlink("./72/binderfs" [pid 6260] <... write resumed>) = 18 [pid 5840] <... unlink resumed>) = 0 [pid 6260] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6258] close(6 [pid 5840] umount2("./72/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... socket resumed>) = 3 [pid 6258] close(7 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./72/cgroup.net", [pid 6260] <... sendto resumed>) = 32 [pid 6258] close(8 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] recvfrom(3, [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./72/cgroup.net" [pid 6260] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=78}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6258] close(9 [pid 6260] recvfrom(3, [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6260] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=78}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6258] close(10 [pid 5840] umount2("./72/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] close(3) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6258] close(11 [pid 5840] newfstatat(AT_FDCWD, "./72/cgroup.cpu", [pid 6260] <... socket resumed>) = 3 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6258] close(12) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./72/cgroup.cpu" [pid 6260] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6258] close(13) = -1 EBADF (Bad file descriptor) [pid 6258] close(14 [pid 5840] <... unlink resumed>) = 0 [pid 6260] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./72/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] <... sendmsg resumed>) = 44 [pid 6258] close(15 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... openat resumed>) = 4 [pid 6258] close(16 [pid 5840] newfstatat(AT_FDCWD, "./72/cgroup", [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(17 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6258] close(18 [pid 5840] unlink("./72/cgroup" [pid 6260] <... openat resumed>) = 5 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6260] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6258] close(19 [pid 5840] getdents64(3, [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(20 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... writev resumed>) = 61440 [pid 6258] close(21 [pid 6256] close(3 [pid 5840] close(3 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 6258] close(22) = -1 EBADF (Bad file descriptor) [pid 6256] close(4 [pid 5840] rmdir("./72" [pid 6258] close(23 [pid 6256] <... close resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(5 [pid 5840] mkdir("./73", 0777 [pid 6258] close(24 [pid 6256] <... close resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 6256] close(6 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(25 [pid 6256] close(7 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(26 [pid 6256] close(8 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(27 [pid 6256] close(9 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(28 [pid 6256] close(10 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(29 [pid 6256] close(11 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] exit_group(0 [pid 6256] close(12) = -1 EBADF (Bad file descriptor) [pid 6256] close(13 [pid 6258] <... exit_group resumed>) = ? [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(14) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6261 attached [pid 6256] close(15) = -1 EBADF (Bad file descriptor) [pid 6261] set_robust_list(0x5555617a06a0, 24 [pid 6256] close(16 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 76 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(17 [pid 6261] <... set_robust_list resumed>) = 0 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(18 [pid 6261] chdir("./73" [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... chdir resumed>) = 0 [pid 6256] close(19) = -1 EBADF (Bad file descriptor) [pid 6256] close(20 [pid 6261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... prctl resumed>) = 0 [pid 6258] +++ exited with 0 +++ [pid 6256] close(21 [pid 6261] setpgid(0, 0) = 0 [pid 6261] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6259] <... writev resumed>) = 61440 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... symlink resumed>) = 0 [pid 6256] close(22 [pid 6259] close(3 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] <... close resumed>) = 0 [pid 6261] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6259] close(4 [pid 6256] close(23 [pid 6261] <... symlink resumed>) = 0 [pid 6259] <... close resumed>) = 0 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(24 [pid 6261] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6259] close(5 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6261] <... symlink resumed>) = 0 [pid 6259] <... close resumed>) = 0 [pid 6261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6259] close(6 [pid 6256] close(25 [pid 5835] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] <... openat resumed>) = 3 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] write(3, "1000", 4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] close(7 [pid 6256] close(26 [pid 5835] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6261] <... write resumed>) = 4 [pid 6259] close(8 [pid 6256] close(27 [pid 5835] newfstatat(3, "", [pid 6261] close(3 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = 0 [pid 6259] close(9 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6261] symlink("/dev/binderfs", "./binderfs" [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(28 [pid 6261] <... symlink resumed>) = 0 [pid 6259] close(10 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6261] write(1, "executing program\n", 18 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6256] close(29 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6259] close(11 [pid 6261] <... write resumed>) = 18 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] exit_group(0 [pid 6261] <... socket resumed>) = 3 [pid 6259] close(12 [pid 6256] <... exit_group resumed>) = ? [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6261] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] +++ exited with 0 +++ [pid 6261] <... sendto resumed>) = 32 [pid 6259] close(13 [pid 5835] newfstatat(AT_FDCWD, "./73/binderfs", [pid 6261] recvfrom(3, [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6261] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=76}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6259] close(14 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5835] unlink("./73/binderfs" [pid 6261] recvfrom(3, [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6261] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=76}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6259] close(15 [pid 5835] umount2("./73/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] close(3 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6261] <... close resumed>) = 0 [pid 6259] close(16 [pid 5835] newfstatat(AT_FDCWD, "./73/cgroup.net", [pid 6261] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6261] <... socket resumed>) = 3 [pid 6259] close(17 [pid 6261] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./73/cgroup.net" [pid 6259] close(18 [pid 5835] <... unlink resumed>) = 0 [pid 6261] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6259] close(19 [pid 5835] umount2("./73/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] <... sendmsg resumed>) = 44 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] close(20) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./73/cgroup.cpu", [pid 6261] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6259] close(21 [pid 5838] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6261] <... openat resumed>) = 4 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... openat resumed>) = 3 [pid 6261] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6259] close(22 [pid 5835] unlink("./73/cgroup.cpu" [pid 6261] <... openat resumed>) = 5 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(3, "", [pid 6259] close(23 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6261] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 5835] umount2("./73/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6259] close(24 [pid 6260] <... writev resumed>) = 61440 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] close(3 [pid 5835] newfstatat(AT_FDCWD, "./73/cgroup", [pid 5838] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] <... close resumed>) = 0 [pid 6259] close(25 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] close(4 [pid 5835] unlink("./73/cgroup" [pid 6260] <... close resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6260] close(5 [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3 [pid 6260] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5835] rmdir("./73" [pid 6260] close(6 [pid 5835] <... rmdir resumed>) = 0 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] mkdir("./74", 0777 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] close(7 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(26 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6260] close(8) = -1 EBADF (Bad file descriptor) [pid 6260] close(9) = -1 EBADF (Bad file descriptor) [pid 6260] close(10 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./75/binderfs", [pid 6260] close(11) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] close(12) = -1 EBADF (Bad file descriptor) [pid 6260] close(13) = -1 EBADF (Bad file descriptor) [pid 6260] close(14) = -1 EBADF (Bad file descriptor) [pid 6260] close(15) = -1 EBADF (Bad file descriptor) [pid 6260] close(16) = -1 EBADF (Bad file descriptor) [pid 6260] close(17) = -1 EBADF (Bad file descriptor) [pid 6260] close(18) = -1 EBADF (Bad file descriptor) [pid 6260] close(19) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6262 attached [pid 6260] close(20 [pid 6262] set_robust_list(0x5555617a06a0, 24 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./75/binderfs" [pid 6262] <... set_robust_list resumed>) = 0 [pid 6260] close(21 [pid 6259] close(27 [pid 5838] <... unlink resumed>) = 0 [pid 6262] chdir("./74" [pid 5838] umount2("./75/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 77 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... chdir resumed>) = 0 [pid 6260] close(22 [pid 6259] close(28 [pid 5838] newfstatat(AT_FDCWD, "./75/cgroup.net", [pid 6262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6262] <... prctl resumed>) = 0 [pid 6260] close(23 [pid 6259] close(29 [pid 6262] setpgid(0, 0 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./75/cgroup.net" [pid 6260] close(24 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6262] <... setpgid resumed>) = 0 [pid 6262] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6259] exit_group(0 [pid 6262] <... symlink resumed>) = 0 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./75/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] close(25 [pid 6259] <... exit_group resumed>) = ? [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] +++ exited with 0 +++ [pid 6262] <... symlink resumed>) = 0 [pid 6260] close(26 [pid 5838] newfstatat(AT_FDCWD, "./75/cgroup.cpu", [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6262] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6260] close(27 [pid 5838] unlink("./75/cgroup.cpu" [pid 6262] <... symlink resumed>) = 0 [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6260] close(28) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./75/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6260] close(29 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6260] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./75/cgroup", [pid 6262] <... openat resumed>) = 3 [pid 6260] exit_group(0 [pid 6262] write(3, "1000", 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] <... exit_group resumed>) = ? [pid 6262] <... write resumed>) = 4 [pid 5838] unlink("./75/cgroup" [pid 6262] close(3 [pid 5838] <... unlink resumed>) = 0 [pid 6262] <... close resumed>) = 0 [pid 5838] getdents64(3, [pid 6262] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6262] <... symlink resumed>) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./75") = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5838] mkdir("./76", 0777executing program [pid 6262] write(1, "executing program\n", 18 [pid 5838] <... mkdir resumed>) = 0 [pid 6262] <... write resumed>) = 18 [pid 6262] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6262] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6260] +++ exited with 0 +++ [pid 6262] <... sendto resumed>) = 32 [pid 5839] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6262] recvfrom(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=77}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6263 attached [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5839] <... openat resumed>) = 3 [pid 6262] recvfrom(3, [pid 5839] newfstatat(3, "", [pid 6262] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=77}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 79 [pid 6262] close(3 [pid 5842] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 6263] set_robust_list(0x5555617a06a0, 24 [pid 6262] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6262] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6262] <... socket resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] newfstatat(3, "", [pid 5839] newfstatat(AT_FDCWD, "./72/binderfs", [pid 6262] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6262] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5839] unlink("./72/binderfs" [pid 6262] <... sendmsg resumed>) = 44 [pid 6263] <... set_robust_list resumed>) = 0 [pid 6262] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... unlink resumed>) = 0 [pid 6263] chdir("./76" [pid 6262] <... openat resumed>) = 4 [pid 5842] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./72/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./75/binderfs", [pid 6262] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./75/binderfs" [pid 6263] <... chdir resumed>) = 0 [pid 6262] <... openat resumed>) = 5 [pid 5842] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./72/cgroup.net", [pid 6263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] <... prctl resumed>) = 0 [pid 6262] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] umount2("./75/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./72/cgroup.net" [pid 6263] setpgid(0, 0) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6263] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./72/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] <... symlink resumed>) = 0 [pid 5842] unlink("./75/cgroup.net" [pid 5839] newfstatat(AT_FDCWD, "./72/cgroup.cpu", [pid 6263] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] <... symlink resumed>) = 0 [pid 5842] umount2("./75/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./72/cgroup.cpu" [pid 6263] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 6263] <... openat resumed>) = 3 [pid 6261] <... writev resumed>) = 61440 [pid 5842] newfstatat(AT_FDCWD, "./75/cgroup.cpu", [pid 6263] write(3, "1000", 4 [pid 6261] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] <... write resumed>) = 4 [pid 6261] <... close resumed>) = 0 [pid 6263] close(3) = 0 [pid 6263] symlink("/dev/binderfs", "./binderfs" [pid 6261] close(4 [pid 6263] <... symlink resumed>) = 0 [pid 6261] <... close resumed>) = 0 [pid 6263] write(1, "executing program\n", 18 [pid 5842] unlink("./75/cgroup.cpu" [pid 5839] umount2("./72/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program ) = -1 EINVAL (Invalid argument) [pid 6263] <... write resumed>) = 18 [pid 6263] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6261] close(5) = 0 [pid 6263] <... socket resumed>) = 3 [pid 6263] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6261] close(6 [pid 6263] <... sendto resumed>) = 32 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./72/cgroup", [pid 6261] close(7 [pid 6263] recvfrom(3, [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./75/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6261] close(8 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=79}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./72/cgroup" [pid 6263] recvfrom(3, [pid 6261] close(9 [pid 5842] newfstatat(AT_FDCWD, "./75/cgroup", [pid 5839] <... unlink resumed>) = 0 [pid 6263] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=79}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 6263] close(3 [pid 6261] close(10 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6263] <... close resumed>) = 0 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./75/cgroup" [pid 5839] close(3 [pid 6263] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6261] close(11 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 6263] <... socket resumed>) = 3 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 5839] rmdir("./72" [pid 6263] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6261] close(12 [pid 5839] <... rmdir resumed>) = 0 [pid 6263] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6263] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6261] close(13 [pid 5839] mkdir("./73", 0777 [pid 5842] close(3 [pid 6263] <... sendmsg resumed>) = 44 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 6263] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6261] close(14 [pid 5842] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./75" [pid 6263] <... openat resumed>) = 4 [pid 6261] close(15 [pid 5842] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6264 attached [pid 6263] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./76", 0777 [pid 6263] <... openat resumed>) = 5 [pid 6261] close(16 [pid 5842] <... mkdir resumed>) = 0 [pid 6263] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 76 [pid 6264] set_robust_list(0x5555617a06a0, 24 [pid 6261] close(17 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] <... set_robust_list resumed>) = 0 [pid 6261] close(18) = -1 EBADF (Bad file descriptor) [pid 6261] close(19 [pid 6264] chdir("./73") = 0 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6265 attached [pid 6264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6262] <... writev resumed>) = 61440 [pid 6261] close(20 [pid 6265] set_robust_list(0x5555617a06a0, 24 [pid 6264] <... prctl resumed>) = 0 [pid 6262] close(3 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 79 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6264] setpgid(0, 0 [pid 6265] chdir("./76" [pid 6264] <... setpgid resumed>) = 0 [pid 6262] <... close resumed>) = 0 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6261] close(21 [pid 6265] <... chdir resumed>) = 0 [pid 6264] <... symlink resumed>) = 0 [pid 6262] close(4 [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6264] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6262] <... close resumed>) = 0 [pid 6265] <... prctl resumed>) = 0 [pid 6264] <... symlink resumed>) = 0 [pid 6262] close(5 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] setpgid(0, 0 [pid 6262] <... close resumed>) = 0 [pid 6265] <... setpgid resumed>) = 0 [pid 6264] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6265] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6264] <... symlink resumed>) = 0 [pid 6262] close(6 [pid 6265] <... symlink resumed>) = 0 [pid 6264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] close(22 [pid 6265] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6264] <... openat resumed>) = 3 [pid 6262] close(7 [pid 6265] <... symlink resumed>) = 0 [pid 6264] write(3, "1000", 4 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6264] <... write resumed>) = 4 [pid 6262] close(8 [pid 6261] close(23 [pid 6265] <... symlink resumed>) = 0 [pid 6264] close(3 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6264] <... close resumed>) = 0 [pid 6262] close(9 [pid 6261] close(24 [pid 6265] <... openat resumed>) = 3 [pid 6264] symlink("/dev/binderfs", "./binderfs" [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] write(3, "1000", 4 [pid 6264] <... symlink resumed>) = 0 [pid 6262] close(10 [pid 6261] close(25executing program [pid 6265] <... write resumed>) = 4 [pid 6264] write(1, "executing program\n", 18 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(3 [pid 6264] <... write resumed>) = 18 [pid 6262] close(11 [pid 6261] close(26 [pid 6265] <... close resumed>) = 0 [pid 6264] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] symlink("/dev/binderfs", "./binderfs" [pid 6264] <... socket resumed>) = 3 [pid 6261] close(27 [pid 6265] <... symlink resumed>) = 0 [pid 6264] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6262] close(12 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6265] write(1, "executing program\n", 18 [pid 6264] <... sendto resumed>) = 32 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] close(28 [pid 6265] <... write resumed>) = 18 [pid 6264] recvfrom(3, [pid 6262] close(13 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=76}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] close(29 [pid 6265] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6264] recvfrom(3, [pid 6262] close(14 [pid 6261] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... socket resumed>) = 3 [pid 6264] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=76}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] exit_group(0 [pid 6265] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6264] close(3 [pid 6262] close(15 [pid 6261] <... exit_group resumed>) = ? [pid 6265] <... sendto resumed>) = 32 [pid 6264] <... close resumed>) = 0 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] close(16 [pid 6265] recvfrom(3, [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=79}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6264] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6262] close(17 [pid 6265] recvfrom(3, [pid 6261] +++ exited with 0 +++ [pid 6265] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=79}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(3 [pid 6264] <... socket resumed>) = 3 [pid 6262] close(18 [pid 6265] <... close resumed>) = 0 [pid 6264] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6265] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6264] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6262] close(19 [pid 5840] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6265] <... socket resumed>) = 3 [pid 6264] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6265] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6264] <... sendmsg resumed>) = 44 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6264] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6264] <... openat resumed>) = 4 [pid 6262] close(20 [pid 5840] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6265] <... sendmsg resumed>) = 44 [pid 6264] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 6265] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6264] <... openat resumed>) = 5 [pid 6262] close(21 [pid 5840] newfstatat(3, "", [pid 6265] <... openat resumed>) = 4 [pid 6264] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] close(22 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6265] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 6262] close(23 [pid 6265] <... openat resumed>) = 5 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6265] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6262] close(24 [pid 5840] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6263] <... writev resumed>) = 61440 [pid 6263] close(3) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./73/binderfs", [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6262] close(25 [pid 6263] close(4 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./73/binderfs" [pid 6263] <... close resumed>) = 0 [pid 6262] close(26 [pid 5840] <... unlink resumed>) = 0 [pid 6263] close(5 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = 0 [pid 6262] close(27 [pid 5840] umount2("./73/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6264] <... writev resumed>) = 61440 [pid 6263] close(6 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6264] close(3 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] close(28 [pid 5840] newfstatat(AT_FDCWD, "./73/cgroup.net", [pid 6264] <... close resumed>) = 0 [pid 6263] close(7 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] close(29 [pid 5840] unlink("./73/cgroup.net" [pid 6264] close(4 [pid 6263] close(8 [pid 6262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] <... close resumed>) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] exit_group(0 [pid 5840] <... unlink resumed>) = 0 [pid 6264] close(5 [pid 6263] close(9 [pid 6262] <... exit_group resumed>) = ? [pid 6264] <... close resumed>) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] +++ exited with 0 +++ [pid 6264] close(6 [pid 6263] close(10 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(7 [pid 6263] close(11 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(8 [pid 6263] close(12 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(9 [pid 6263] close(13 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(10 [pid 6263] close(14 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] close(15 [pid 6264] close(11 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] close(16 [pid 6264] close(12) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(13 [pid 6263] close(17 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(14 [pid 6263] close(18 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(15 [pid 6263] close(19 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... restart_syscall resumed>) = 0 [pid 6264] close(16 [pid 6263] close(20 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(17 [pid 6263] close(21 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(18 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] close(22 [pid 6264] close(19 [pid 5835] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(20 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] close(23 [pid 5835] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6264] close(21 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6263] close(24 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] close(22 [pid 6263] close(25 [pid 5835] newfstatat(3, "", [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6264] close(23 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6264] close(24 [pid 6263] close(26 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./73/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6264] close(25 [pid 6263] close(27 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./73/cgroup.cpu", [pid 5835] newfstatat(AT_FDCWD, "./74/binderfs", [pid 6264] close(26 [pid 6263] close(28 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./73/cgroup.cpu" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6264] close(27 [pid 6263] close(29 [pid 5840] <... unlink resumed>) = 0 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./74/binderfs" [pid 6264] close(28 [pid 6263] exit_group(0 [pid 5840] umount2("./73/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6265] <... writev resumed>) = 61440 [pid 6264] close(29 [pid 6263] <... exit_group resumed>) = ? [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./74/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6265] close(3 [pid 6264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] +++ exited with 0 +++ [pid 6264] exit_group(0 [pid 6265] <... close resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./73/cgroup", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] close(4 [pid 6264] <... exit_group resumed>) = ? [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5835] newfstatat(AT_FDCWD, "./74/cgroup.net", [pid 6265] <... close resumed>) = 0 [pid 6265] close(5 [pid 5840] unlink("./73/cgroup" [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6265] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5835] unlink("./74/cgroup.net" [pid 5840] getdents64(3, [pid 5838] <... restart_syscall resumed>) = 0 [pid 6265] close(6 [pid 6264] +++ exited with 0 +++ [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5840] close(3 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(7 [pid 5840] <... close resumed>) = 0 [pid 5835] umount2("./74/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./73" [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] close(8) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5835] newfstatat(AT_FDCWD, "./74/cgroup.cpu", [pid 6265] close(9 [pid 5840] mkdir("./74", 0777 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6265] close(10 [pid 5840] <... mkdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] unlink("./74/cgroup.cpu" [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6265] close(11 [pid 5838] <... openat resumed>) = 3 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(12 [pid 5838] newfstatat(3, "", [pid 6265] <... close resumed>) = -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) = -1 EBADF (Bad file descriptor) [pid 6265] close(17 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(18) = -1 EBADF (Bad file descriptor) [pid 6265] close(19) = -1 EBADF (Bad file descriptor) [pid 6265] close(20) = -1 EBADF (Bad file descriptor) [pid 6265] close(21) = -1 EBADF (Bad file descriptor) [pid 6265] close(22) = -1 EBADF (Bad file descriptor) [pid 6265] close(23) = -1 EBADF (Bad file descriptor) [pid 6265] close(24) = -1 EBADF (Bad file descriptor) [pid 6265] close(25) = -1 EBADF (Bad file descriptor) [pid 6265] close(26) = -1 EBADF (Bad file descriptor) [pid 6265] close(27) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6266 attached [pid 5839] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6266] set_robust_list(0x5555617a06a0, 24 [pid 6265] close(28 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] close(29 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 77 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 5835] umount2("./74/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6266] chdir("./74" [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6266] <... chdir resumed>) = 0 [pid 6265] exit_group(0 [pid 5839] <... openat resumed>) = 3 [pid 5838] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./74/cgroup", [pid 6266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6265] <... exit_group resumed>) = ? [pid 5839] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6266] <... prctl resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./76/binderfs", [pid 5835] unlink("./74/cgroup" [pid 5839] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] unlink("./76/binderfs" [pid 5835] getdents64(3, [pid 6266] setpgid(0, 0 [pid 5839] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6266] <... setpgid resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./76/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] close(3 [pid 5839] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... close resumed>) = 0 [pid 6266] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./76/cgroup.net", [pid 5835] rmdir("./74" [pid 6266] <... symlink resumed>) = 0 [pid 5839] unlink("./73/binderfs" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] unlink("./76/cgroup.net" [pid 5835] mkdir("./75", 0777 [pid 5839] umount2("./73/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./76/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6266] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6265] +++ exited with 0 +++ [pid 5839] newfstatat(AT_FDCWD, "./73/cgroup.net", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6267 attached [pid 6266] <... symlink resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./76/cgroup.cpu", [pid 6267] set_robust_list(0x5555617a06a0, 24 [pid 6266] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5839] unlink("./73/cgroup.net" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6267] <... set_robust_list resumed>) = 0 [pid 6266] <... symlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 78 [pid 6267] chdir("./75" [pid 6266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] unlink("./76/cgroup.cpu" [pid 6267] <... chdir resumed>) = 0 [pid 5839] umount2("./73/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6266] <... openat resumed>) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 6267] <... prctl resumed>) = 0 [pid 6266] write(3, "1000", 4 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./76/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6267] setpgid(0, 0 [pid 5839] newfstatat(AT_FDCWD, "./73/cgroup.cpu", [pid 6266] <... write resumed>) = 4 [pid 6267] <... setpgid resumed>) = 0 [pid 6266] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6267] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5838] newfstatat(AT_FDCWD, "./76/cgroup", [pid 6267] <... symlink resumed>) = 0 [pid 6266] <... close resumed>) = 0 [pid 5839] unlink("./73/cgroup.cpu" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6267] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6266] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... unlink resumed>) = 0 [pid 6267] <... symlink resumed>) = 0 [pid 6267] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5839] umount2("./73/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./76/cgroup" [pid 6267] <... symlink resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] newfstatat(AT_FDCWD, "./73/cgroup", [pid 5838] getdents64(3, [pid 6267] <... openat resumed>) = 3 [pid 6266] <... symlink resumed>) = 0 executing program [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6267] write(3, "1000", 4 [pid 6266] write(1, "executing program\n", 18 [pid 5842] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./73/cgroup" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6267] <... write resumed>) = 4 [pid 6266] <... write resumed>) = 18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 6267] close(3 [pid 5842] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] close(3 [pid 6267] <... close resumed>) = 0 [pid 6266] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5839] getdents64(3, [pid 5838] <... close resumed>) = 0 [pid 6267] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] rmdir("./76" [pid 6267] <... symlink resumed>) = 0 [pid 6266] <... socket resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 6266] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6267] write(1, "executing program\n", 18 [pid 5842] newfstatat(3, "", [pid 5839] close(3 [pid 5838] <... rmdir resumed>) = 0 [pid 6266] <... sendto resumed>) = 32 executing program [pid 6267] <... write resumed>) = 18 [pid 6267] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6266] recvfrom(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] mkdir("./77", 0777 [pid 6267] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6266] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=77}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] getdents64(3, [pid 5839] rmdir("./73" [pid 6267] <... sendto resumed>) = 32 [pid 6266] recvfrom(3, [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... mkdir resumed>) = 0 [pid 6267] recvfrom(3, [pid 6266] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=77}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] <... rmdir resumed>) = 0 [pid 6267] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=78}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6266] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] mkdir("./74", 0777 [pid 5842] newfstatat(AT_FDCWD, "./76/binderfs", [pid 6267] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=78}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6267] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 6266] <... close resumed>) = 0 [pid 6267] <... close resumed>) = 0 ./strace-static-x86_64: Process 6268 attached [pid 6266] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] unlink("./76/binderfs" [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6267] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6266] <... socket resumed>) = 3 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 80 [pid 6267] <... socket resumed>) = 3 [pid 6267] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 ./strace-static-x86_64: Process 6269 attached [pid 6268] set_robust_list(0x5555617a06a0, 24 [pid 6266] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] <... unlink resumed>) = 0 [pid 6268] <... set_robust_list resumed>) = 0 [pid 5842] umount2("./76/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] set_robust_list(0x5555617a06a0, 24 [pid 6266] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6269] <... set_robust_list resumed>) = 0 [pid 6268] chdir("./77" [pid 6267] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6266] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 77 [pid 6269] chdir("./74" [pid 6267] <... sendmsg resumed>) = 44 [pid 6267] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6267] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6269] <... chdir resumed>) = 0 [pid 6268] <... chdir resumed>) = 0 [pid 6266] <... sendmsg resumed>) = 44 [pid 5842] newfstatat(AT_FDCWD, "./76/cgroup.net", [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6267] <... openat resumed>) = 5 [pid 6266] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6269] <... prctl resumed>) = 0 [pid 6268] <... prctl resumed>) = 0 [pid 6267] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6266] <... openat resumed>) = 4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6269] setpgid(0, 0 [pid 5842] unlink("./76/cgroup.net" [pid 6269] <... setpgid resumed>) = 0 [pid 6268] setpgid(0, 0 [pid 6269] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./76/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./76/cgroup.cpu", [pid 6266] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6268] <... setpgid resumed>) = 0 [pid 6266] <... openat resumed>) = 5 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./76/cgroup.cpu" [pid 6268] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6266] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] <... unlink resumed>) = 0 [pid 6269] <... symlink resumed>) = 0 [pid 6269] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6269] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6268] <... symlink resumed>) = 0 [pid 6268] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6268] <... symlink resumed>) = 0 [pid 6269] <... openat resumed>) = 3 [pid 6268] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6269] write(3, "1000", 4 [pid 6268] <... symlink resumed>) = 0 [pid 6269] <... write resumed>) = 4 [pid 6268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6269] close(3) = 0 [pid 6268] <... openat resumed>) = 3 [pid 6269] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6268] write(3, "1000", 4) = 4 [pid 5842] umount2("./76/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6268] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... close resumed>) = 0 executing program [pid 5842] newfstatat(AT_FDCWD, "./76/cgroup", [pid 6269] write(1, "executing program\n", 18) = 18 [pid 6268] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6269] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6268] <... symlink resumed>) = 0 [pid 5842] unlink("./76/cgroup") = 0 [pid 5842] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3executing program [pid 6269] <... socket resumed>) = 3 [pid 6268] write(1, "executing program\n", 18 [pid 5842] <... close resumed>) = 0 [pid 6269] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] rmdir("./76" [pid 6268] <... write resumed>) = 18 [pid 6268] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... rmdir resumed>) = 0 [pid 6268] <... socket resumed>) = 3 [pid 6268] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6269] <... sendto resumed>) = 32 [pid 6268] <... sendto resumed>) = 32 [pid 6267] <... writev resumed>) = 61440 [pid 5842] mkdir("./77", 0777 [pid 6268] recvfrom(3, [pid 6267] close(3 [pid 5842] <... mkdir resumed>) = 0 [pid 6269] recvfrom(3, [pid 6268] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=80}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6267] <... close resumed>) = 0 [pid 6269] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=77}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6268] recvfrom(3, [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6269] recvfrom(3, [pid 6268] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=80}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6267] close(4 [pid 6269] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=77}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6268] close(3./strace-static-x86_64: Process 6270 attached [pid 6269] close(3 [pid 6267] <... close resumed>) = 0 [pid 6270] set_robust_list(0x5555617a06a0, 24 [pid 6269] <... close resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 80 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6269] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6268] <... close resumed>) = 0 [pid 6267] close(5 [pid 6266] <... writev resumed>) = 61440 [pid 6269] <... socket resumed>) = 3 [pid 6270] chdir("./77" [pid 6269] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6268] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6267] <... close resumed>) = 0 [pid 6266] close(3 [pid 6270] <... chdir resumed>) = 0 [pid 6269] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6268] <... socket resumed>) = 3 [pid 6267] close(6 [pid 6266] <... close resumed>) = 0 [pid 6270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6269] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6268] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... prctl resumed>) = 0 [pid 6269] <... sendmsg resumed>) = 44 [pid 6267] close(7 [pid 6266] close(4 [pid 6270] setpgid(0, 0 [pid 6269] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6268] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = 0 [pid 6270] <... setpgid resumed>) = 0 [pid 6270] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6267] close(8 [pid 6266] close(5 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = 0 [pid 6269] <... openat resumed>) = 4 [pid 6268] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6267] close(9 [pid 6270] <... symlink resumed>) = 0 [pid 6266] close(6 [pid 6270] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6268] <... sendmsg resumed>) = 44 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6267] close(10 [pid 6270] <... symlink resumed>) = 0 [pid 6269] <... openat resumed>) = 5 [pid 6268] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(7 [pid 6270] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6269] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6267] close(11 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... symlink resumed>) = 0 [pid 6268] <... openat resumed>) = 4 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(8 [pid 6270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6268] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6267] close(12 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... openat resumed>) = 3 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(9 [pid 6270] write(3, "1000", 4 [pid 6268] <... openat resumed>) = 5 [pid 6267] close(13 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... write resumed>) = 4 [pid 6268] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6266] close(10 [pid 6270] close(3 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... close resumed>) = 0 [pid 6267] close(14 [pid 6266] close(11 [pid 6270] symlink("/dev/binderfs", "./binderfs"executing program [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... symlink resumed>) = 0 [pid 6266] close(12 [pid 6270] write(1, "executing program\n", 18 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... write resumed>) = 18 [pid 6266] close(13 [pid 6270] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(14) = -1 EBADF (Bad file descriptor) [pid 6270] <... socket resumed>) = 3 [pid 6266] close(15) = -1 EBADF (Bad file descriptor) [pid 6266] close(16 [pid 6270] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... sendto resumed>) = 32 [pid 6266] close(17) = -1 EBADF (Bad file descriptor) [pid 6266] close(18 [pid 6270] recvfrom(3, [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=80}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6270] recvfrom(3, [pid 6266] close(19 [pid 6270] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=80}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(3 [pid 6266] close(20 [pid 6270] <... close resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6266] close(21 [pid 6270] <... socket resumed>) = 3 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6266] close(22 [pid 6270] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6266] close(23 [pid 6270] <... sendmsg resumed>) = 44 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(24) = -1 EBADF (Bad file descriptor) [pid 6270] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6266] close(25 [pid 6270] <... openat resumed>) = 4 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(26) = -1 EBADF (Bad file descriptor) [pid 6266] close(27) = -1 EBADF (Bad file descriptor) [pid 6266] close(28 [pid 6270] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] <... openat resumed>) = 5 [pid 6266] close(29) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] exit_group(0) = ? [pid 6270] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6266] +++ exited with 0 +++ [pid 6267] close(15) = -1 EBADF (Bad file descriptor) [pid 6267] close(16 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] close(17) = -1 EBADF (Bad file descriptor) [pid 6267] close(18) = -1 EBADF (Bad file descriptor) [pid 6267] close(19) = -1 EBADF (Bad file descriptor) [pid 6267] close(20) = -1 EBADF (Bad file descriptor) [pid 6268] <... writev resumed>) = 61440 [pid 6267] close(21 [pid 5840] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6268] close(3 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... close resumed>) = 0 [pid 6267] close(22 [pid 5840] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 6268] close(4 [pid 6267] close(23 [pid 5840] newfstatat(3, "", [pid 6269] <... writev resumed>) = 61440 [pid 6268] <... close resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6269] close(3 [pid 6268] close(5 [pid 6267] close(24 [pid 5840] getdents64(3, [pid 6269] <... close resumed>) = 0 [pid 6268] <... close resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6269] close(4 [pid 6268] close(6 [pid 6267] close(25 [pid 5840] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] <... close resumed>) = 0 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6269] close(5 [pid 6268] close(7 [pid 6267] close(26 [pid 5840] newfstatat(AT_FDCWD, "./74/binderfs", [pid 6269] <... close resumed>) = 0 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6269] close(6 [pid 6268] close(8 [pid 6267] close(27 [pid 5840] unlink("./74/binderfs" [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6269] close(7 [pid 6268] close(9 [pid 6267] close(28 [pid 5840] umount2("./74/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6269] close(8 [pid 6268] close(10 [pid 6267] close(29 [pid 5840] newfstatat(AT_FDCWD, "./74/cgroup.net", [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6269] close(9 [pid 6268] close(11 [pid 6267] exit_group(0 [pid 5840] unlink("./74/cgroup.net" [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... exit_group resumed>) = ? [pid 5840] <... unlink resumed>) = 0 [pid 6269] close(10 [pid 6268] close(12 [pid 6267] +++ exited with 0 +++ [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(11 [pid 6268] close(13 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./74/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] close(12 [pid 6268] close(14 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./74/cgroup.cpu", [pid 6269] close(13 [pid 6268] close(15 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6269] close(14 [pid 6268] close(16 [pid 5840] unlink("./74/cgroup.cpu" [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6269] close(15 [pid 6268] close(17 [pid 5840] umount2("./74/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] close(16 [pid 6268] close(18 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./74/cgroup", [pid 6269] close(17 [pid 6268] close(19 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./74/cgroup" [pid 6269] close(18 [pid 6268] close(20 [pid 5840] <... unlink resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5835] <... openat resumed>) = 3 [pid 6269] close(19 [pid 6268] close(21 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] newfstatat(3, "", [pid 6269] close(20 [pid 6268] close(22 [pid 5840] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5835] getdents64(3, [pid 6270] <... writev resumed>) = 61440 [pid 6269] close(21 [pid 6268] close(23 [pid 5840] rmdir("./74" [pid 6270] close(3 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6270] <... close resumed>) = 0 [pid 6269] close(22 [pid 6268] close(24 [pid 5840] mkdir("./75", 0777 [pid 5835] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] close(23 [pid 6268] close(25 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(4 [pid 6269] close(24 [pid 6270] <... close resumed>) = 0 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6270] close(5) = 0 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] close(26 [pid 5835] newfstatat(AT_FDCWD, "./75/binderfs", [pid 6270] close(6 [pid 6269] close(25 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] close(27 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6270] close(7 [pid 6269] close(26 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./75/binderfs"./strace-static-x86_64: Process 6271 attached [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] close(28 [pid 6271] set_robust_list(0x5555617a06a0, 24 [pid 6270] close(8 [pid 6269] close(27 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 78 [pid 5835] <... unlink resumed>) = 0 [pid 6271] <... set_robust_list resumed>) = 0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] close(29 [pid 5835] umount2("./75/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6271] chdir("./75" [pid 6270] close(9 [pid 6269] close(28 [pid 6268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] <... chdir resumed>) = 0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6270] close(10 [pid 6271] <... prctl resumed>) = 0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] setpgid(0, 0 [pid 6270] close(11 [pid 6268] exit_group(0 [pid 6271] <... setpgid resumed>) = 0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6268] <... exit_group resumed>) = ? [pid 6270] close(12 [pid 5835] newfstatat(AT_FDCWD, "./75/cgroup.net", [pid 6271] <... symlink resumed>) = 0 [pid 6269] close(29 [pid 6271] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6271] <... symlink resumed>) = 0 [pid 6270] close(13 [pid 6269] exit_group(0 [pid 5835] unlink("./75/cgroup.net" [pid 6271] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] <... exit_group resumed>) = ? [pid 6271] <... symlink resumed>) = 0 [pid 6270] close(14 [pid 5835] <... unlink resumed>) = 0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(15 [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6270] close(16 [pid 6271] <... openat resumed>) = 3 [pid 6271] write(3, "1000", 4 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] +++ exited with 0 +++ [pid 6268] +++ exited with 0 +++ [pid 5835] umount2("./75/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6271] <... write resumed>) = 4 [pid 6270] close(17 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6271] close(3 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... close resumed>) = 0 [pid 6270] close(18 [pid 6271] symlink("/dev/binderfs", "./binderfs" [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] <... symlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./75/cgroup.cpu", [pid 6270] close(19) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6271] write(1, "executing program\n", 18 [pid 6270] close(20 [pid 5839] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6271] <... write resumed>) = 18 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./75/cgroup.cpu" [pid 6271] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6270] close(21 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... socket resumed>) = 3 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6271] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6270] close(22 [pid 5839] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6271] <... sendto resumed>) = 32 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./75/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6271] recvfrom(3, [pid 6270] close(23 [pid 5839] <... openat resumed>) = 3 [pid 6271] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=78}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] recvfrom(3, [pid 5839] newfstatat(3, "", [pid 5838] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=78}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6270] close(24 [pid 6271] close(3 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(3, "", [pid 5835] newfstatat(AT_FDCWD, "./75/cgroup", [pid 6270] close(25 [pid 6271] <... close resumed>) = 0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6271] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6270] close(26 [pid 5838] getdents64(3, [pid 6271] <... socket resumed>) = 3 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] unlink("./75/cgroup" [pid 6271] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6270] close(27 [pid 5839] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6271] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 6271] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6270] close(28 [pid 5839] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] getdents64(3, [pid 6271] <... sendmsg resumed>) = 44 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./77/binderfs", [pid 6271] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6270] close(29 [pid 5839] unlink("./74/binderfs" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6271] <... openat resumed>) = 4 [pid 6270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6270] exit_group(0 [pid 5835] <... close resumed>) = 0 [pid 6270] <... exit_group resumed>) = ? [pid 6271] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5839] <... unlink resumed>) = 0 [pid 5838] unlink("./77/binderfs" [pid 5835] rmdir("./75" [pid 6271] <... openat resumed>) = 5 [pid 5839] umount2("./74/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 6271] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./77/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... rmdir resumed>) = 0 [pid 6270] +++ exited with 0 +++ [pid 5839] newfstatat(AT_FDCWD, "./74/cgroup.net", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] mkdir("./76", 0777 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5838] newfstatat(AT_FDCWD, "./77/cgroup.net", [pid 5835] <... mkdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6272 attached [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6272] set_robust_list(0x5555617a06a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 79 [pid 6272] <... set_robust_list resumed>) = 0 [pid 6272] chdir("./76") = 0 [pid 6272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6272] <... prctl resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6272] setpgid(0, 0 [pid 5839] unlink("./74/cgroup.net" [pid 5838] unlink("./77/cgroup.net" [pid 5842] <... openat resumed>) = 3 [pid 5839] <... unlink resumed>) = 0 [pid 6272] <... setpgid resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 5838] <... unlink resumed>) = 0 [pid 6272] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./77/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6272] <... symlink resumed>) = 0 [pid 5842] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6272] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] newfstatat(AT_FDCWD, "./77/cgroup.cpu", [pid 6272] <... symlink resumed>) = 0 [pid 5842] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6272] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./77/cgroup.cpu" [pid 6272] <... symlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./77/binderfs", [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./77/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] unlink("./77/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6272] <... openat resumed>) = 3 [pid 5842] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./77/cgroup", [pid 5842] umount2("./77/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6272] write(3, "1000", 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6272] <... write resumed>) = 4 [pid 5842] newfstatat(AT_FDCWD, "./77/cgroup.net", [pid 5838] unlink("./77/cgroup" [pid 6272] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 6272] <... close resumed>) = 0 [pid 5842] unlink("./77/cgroup.net" [pid 5839] umount2("./74/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6272] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 6272] <... symlink resumed>) = 0 [pid 5842] umount2("./77/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./74/cgroup.cpu", [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6272] write(1, "executing program\n", 18executing program [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] close(3 [pid 6272] <... write resumed>) = 18 [pid 5842] newfstatat(AT_FDCWD, "./77/cgroup.cpu", [pid 5839] unlink("./74/cgroup.cpu" [pid 5838] <... close resumed>) = 0 [pid 6272] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] rmdir("./77" [pid 6272] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] unlink("./77/cgroup.cpu" [pid 5839] umount2("./74/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... rmdir resumed>) = 0 [pid 6272] <... sendto resumed>) = 32 [pid 6272] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=79}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6272] recvfrom(3, [pid 5839] newfstatat(AT_FDCWD, "./74/cgroup", [pid 5838] mkdir("./78", 0777 [pid 6272] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=79}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] umount2("./77/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 6272] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6272] <... close resumed>) = 0 [pid 5839] unlink("./74/cgroup"./strace-static-x86_64: Process 6273 attached [pid 6272] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] newfstatat(AT_FDCWD, "./77/cgroup", [pid 5839] <... unlink resumed>) = 0 [pid 6272] <... socket resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 6272] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] unlink("./77/cgroup" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6272] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5839] close(3 [pid 5842] getdents64(3, [pid 5839] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] rmdir("./74" [pid 6272] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] close(3 [pid 5839] <... rmdir resumed>) = 0 [pid 6272] <... sendmsg resumed>) = 44 [pid 5842] <... close resumed>) = 0 [pid 6272] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] rmdir("./77" [pid 6272] <... openat resumed>) = 4 [pid 5842] <... rmdir resumed>) = 0 [pid 5839] mkdir("./75", 0777 [pid 6272] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] mkdir("./78", 0777) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 6272] <... openat resumed>) = 5 [pid 6272] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6274 attached [pid 6273] set_robust_list(0x5555617a06a0, 24 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 81 [pid 6274] set_robust_list(0x5555617a06a0, 24 [pid 6273] <... set_robust_list resumed>) = 0 [pid 6274] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 81 [pid 6274] chdir("./78" [pid 6273] chdir("./78" [pid 6274] <... chdir resumed>) = 0 [pid 6274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6273] <... chdir resumed>) = 0 [pid 6273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6274] <... prctl resumed>) = 0 [pid 6273] <... prctl resumed>) = 0 [pid 6274] setpgid(0, 0 [pid 6273] setpgid(0, 0 [pid 6274] <... setpgid resumed>) = 0 [pid 6274] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6273] <... setpgid resumed>) = 0 [pid 6274] <... symlink resumed>) = 0 [pid 6273] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6274] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6273] <... symlink resumed>) = 0 [pid 6274] <... symlink resumed>) = 0 [pid 6273] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 ./strace-static-x86_64: Process 6275 attached [pid 6275] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 78 [pid 6275] <... set_robust_list resumed>) = 0 [pid 6275] chdir("./75") = 0 [pid 6275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6273] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6275] <... prctl resumed>) = 0 [pid 6275] setpgid(0, 0 [pid 6271] <... writev resumed>) = 61440 [pid 6275] <... setpgid resumed>) = 0 [pid 6271] close(3 [pid 6275] symlink("/syzcgroup/unified/syz2", "./cgroup"executing program executing program executing program ) = 0 [pid 6271] <... close resumed>) = 0 [pid 6271] close(4 [pid 6275] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6274] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6273] <... symlink resumed>) = 0 [pid 6275] <... symlink resumed>) = 0 [pid 6275] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6274] <... symlink resumed>) = 0 [pid 6273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] <... close resumed>) = 0 [pid 6275] <... symlink resumed>) = 0 [pid 6273] <... openat resumed>) = 3 [pid 6271] close(5 [pid 6275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] <... close resumed>) = 0 [pid 6275] <... openat resumed>) = 3 [pid 6274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6273] write(3, "1000", 4 [pid 6271] close(6 [pid 6275] write(3, "1000", 4 [pid 6274] <... openat resumed>) = 3 [pid 6273] <... write resumed>) = 4 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... write resumed>) = 4 [pid 6275] close(3 [pid 6274] write(3, "1000", 4 [pid 6273] close(3 [pid 6271] close(7 [pid 6275] <... close resumed>) = 0 [pid 6273] <... close resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] symlink("/dev/binderfs", "./binderfs" [pid 6271] close(8 [pid 6275] symlink("/dev/binderfs", "./binderfs" [pid 6274] <... write resumed>) = 4 [pid 6275] <... symlink resumed>) = 0 [pid 6274] close(3 [pid 6273] <... symlink resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = 0 [pid 6271] close(9 [pid 6275] write(1, "executing program\n", 18 [pid 6274] symlink("/dev/binderfs", "./binderfs" [pid 6273] write(1, "executing program\n", 18 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... write resumed>) = 18 [pid 6274] <... symlink resumed>) = 0 [pid 6273] <... write resumed>) = 18 [pid 6271] close(10 [pid 6275] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6274] write(1, "executing program\n", 18 [pid 6273] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... socket resumed>) = 3 [pid 6274] <... write resumed>) = 18 [pid 6273] <... socket resumed>) = 3 [pid 6271] close(11 [pid 6275] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6274] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... sendto resumed>) = 32 [pid 6273] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6275] recvfrom(3, [pid 6274] <... socket resumed>) = 3 [pid 6273] <... sendto resumed>) = 32 [pid 6271] close(12 [pid 6275] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=78}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6274] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6273] recvfrom(3, [pid 6275] recvfrom(3, [pid 6274] <... sendto resumed>) = 32 [pid 6273] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=81}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=78}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6274] recvfrom(3, [pid 6273] recvfrom(3, [pid 6271] close(13 [pid 6275] close(3 [pid 6274] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=81}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6273] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=81}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = 0 [pid 6274] recvfrom(3, [pid 6273] close(3 [pid 6271] close(14 [pid 6275] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6274] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=81}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6273] <... close resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... socket resumed>) = 3 [pid 6274] close(3 [pid 6273] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6271] close(15 [pid 6275] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6274] <... close resumed>) = 0 [pid 6273] <... socket resumed>) = 3 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6274] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6273] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6271] close(16 [pid 6275] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6274] <... socket resumed>) = 3 [pid 6273] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... sendmsg resumed>) = 44 [pid 6274] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6273] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6271] close(17 [pid 6275] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6274] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6273] <... sendmsg resumed>) = 44 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... openat resumed>) = 4 [pid 6274] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6273] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6272] <... writev resumed>) = 61440 [pid 6271] close(18 [pid 6275] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6274] <... sendmsg resumed>) = 44 [pid 6273] <... openat resumed>) = 4 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... openat resumed>) = 5 [pid 6274] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6272] close(3 [pid 6271] close(19 [pid 6275] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6274] <... openat resumed>) = 4 [pid 6273] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6272] <... close resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... openat resumed>) = 5 [pid 6274] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6273] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6272] close(4 [pid 6271] close(20 [pid 6272] <... close resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(5 [pid 6271] close(21 [pid 6272] <... close resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(22) = -1 EBADF (Bad file descriptor) [pid 6271] close(23 [pid 6272] close(6 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(24 [pid 6272] close(7 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(25 [pid 6272] close(8 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(26 [pid 6272] close(9 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(27 [pid 6272] close(10 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(28 [pid 6272] close(11) = -1 EBADF (Bad file descriptor) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(12 [pid 6271] close(29 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(13 [pid 6271] exit_group(0 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(14) = -1 EBADF (Bad file descriptor) [pid 6271] <... exit_group resumed>) = ? [pid 6272] close(15) = -1 EBADF (Bad file descriptor) [pid 6271] +++ exited with 0 +++ [pid 6272] close(16) = -1 EBADF (Bad file descriptor) [pid 6272] close(17) = -1 EBADF (Bad file descriptor) [pid 6272] close(18) = -1 EBADF (Bad file descriptor) [pid 6272] close(19) = -1 EBADF (Bad file descriptor) [pid 6272] close(20) = -1 EBADF (Bad file descriptor) [pid 6272] close(21) = -1 EBADF (Bad file descriptor) [pid 6272] close(22) = -1 EBADF (Bad file descriptor) [pid 6272] close(23) = -1 EBADF (Bad file descriptor) [pid 6272] close(24) = -1 EBADF (Bad file descriptor) [pid 6272] close(25) = -1 EBADF (Bad file descriptor) [pid 6272] close(26) = -1 EBADF (Bad file descriptor) [pid 6272] close(27) = -1 EBADF (Bad file descriptor) [pid 6272] close(28) = -1 EBADF (Bad file descriptor) [pid 6272] close(29) = -1 EBADF (Bad file descriptor) [pid 6272] exit_group(0) = ? [pid 6272] +++ exited with 0 +++ [pid 6274] <... openat resumed>) = 5 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6274] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5840] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5835] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 5840] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./75/binderfs", [pid 5835] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./75/binderfs") = 0 [pid 5840] umount2("./75/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./75/cgroup.net") = 0 [pid 5840] umount2("./75/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./75/cgroup.cpu") = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./75/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./76/binderfs", [pid 5840] newfstatat(AT_FDCWD, "./75/cgroup", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./76/binderfs") = 0 [pid 5840] unlink("./75/cgroup" [pid 6275] <... writev resumed>) = 61440 [pid 5840] <... unlink resumed>) = 0 [pid 5835] umount2("./76/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6275] close(3) = 0 [pid 6275] close(4 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... close resumed>) = 0 [pid 5840] getdents64(3, [pid 6275] close(5 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] newfstatat(AT_FDCWD, "./76/cgroup.net", [pid 5840] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... close resumed>) = 0 [pid 5835] unlink("./76/cgroup.net" [pid 5840] rmdir("./75" [pid 5835] <... unlink resumed>) = 0 [pid 6275] <... close resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5835] umount2("./76/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6275] close(6 [pid 5840] mkdir("./76", 0777 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./76/cgroup.cpu", [pid 6275] close(7 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6275] close(8 [pid 5835] unlink("./76/cgroup.cpu" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6275] close(9 [pid 5835] umount2("./76/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] close(10 [pid 5835] newfstatat(AT_FDCWD, "./76/cgroup", [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6275] close(11 [pid 5835] unlink("./76/cgroup" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6275] close(12) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6275] close(13 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6276 attached [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6276] set_robust_list(0x5555617a06a0, 24 [pid 6275] close(14 [pid 5835] <... close resumed>) = 0 [pid 6276] <... set_robust_list resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 79 [pid 6275] close(15 [pid 5835] rmdir("./76" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] chdir("./76" [pid 6275] close(16 [pid 5835] <... rmdir resumed>) = 0 [pid 6276] <... chdir resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] mkdir("./77", 0777 [pid 6275] close(17 [pid 6276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6276] <... prctl resumed>) = 0 [pid 6275] close(18 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] setpgid(0, 0 [pid 6275] close(19 [pid 6276] <... setpgid resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6275] close(20 [pid 6276] <... symlink resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(21 [pid 6276] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(22) = -1 EBADF (Bad file descriptor) [pid 6276] <... symlink resumed>) = 0 [pid 6275] close(23 [pid 6276] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... symlink resumed>) = 0 [pid 6275] close(24./strace-static-x86_64: Process 6277 attached ) = -1 EBADF (Bad file descriptor) [pid 6275] close(25 [pid 6277] set_robust_list(0x5555617a06a0, 24 [pid 6276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 80 [pid 6277] <... set_robust_list resumed>) = 0 [pid 6275] close(26 [pid 6277] chdir("./77" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... chdir resumed>) = 0 [pid 6275] close(27) = -1 EBADF (Bad file descriptor) [pid 6275] close(28) = -1 EBADF (Bad file descriptor) [pid 6277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6275] close(29 [pid 6276] <... openat resumed>) = 3 [pid 6277] <... prctl resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] setpgid(0, 0 [pid 6276] write(3, "1000", 4 [pid 6275] exit_group(0 [pid 6277] <... setpgid resumed>) = 0 [pid 6276] <... write resumed>) = 4 [pid 6275] <... exit_group resumed>) = ? [pid 6277] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6276] close(3 [pid 6275] +++ exited with 0 +++ [pid 6277] <... symlink resumed>) = 0 [pid 6276] <... close resumed>) = 0 [pid 6276] symlink("/dev/binderfs", "./binderfs" [pid 6277] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6276] <... symlink resumed>) = 0 [pid 6277] <... symlink resumed>) = 0 executing program [pid 6277] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6276] write(1, "executing program\n", 18 [pid 6277] <... symlink resumed>) = 0 [pid 6276] <... write resumed>) = 18 [pid 6277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6276] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6277] <... openat resumed>) = 3 [pid 6276] <... socket resumed>) = 3 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6277] write(3, "1000", 4 [pid 6276] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6277] <... write resumed>) = 4 [pid 6276] <... sendto resumed>) = 32 [pid 6277] close(3 [pid 6276] recvfrom(3, [pid 6277] <... close resumed>) = 0 [pid 6276] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=79}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5839] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] symlink("/dev/binderfs", "./binderfs" [pid 6276] recvfrom(3, [pid 6274] <... writev resumed>) = 61440 executing program [pid 6273] <... writev resumed>) = 61440 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... symlink resumed>) = 0 [pid 6276] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=79}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6274] close(3 [pid 6273] close(3 [pid 5839] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6277] write(1, "executing program\n", 18 [pid 6276] close(3 [pid 6274] <... close resumed>) = 0 [pid 6273] <... close resumed>) = 0 [pid 6277] <... write resumed>) = 18 [pid 6276] <... close resumed>) = 0 [pid 6274] close(4 [pid 5839] <... openat resumed>) = 3 [pid 6277] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6276] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6273] close(4 [pid 6277] <... socket resumed>) = 3 [pid 6276] <... socket resumed>) = 3 [pid 6274] <... close resumed>) = 0 [pid 6273] <... close resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 6277] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6276] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6274] close(5 [pid 6273] close(5 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6277] <... sendto resumed>) = 32 [pid 6276] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6273] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 6277] recvfrom(3, [pid 6276] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6274] <... close resumed>) = 0 [pid 6273] close(6 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6277] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=80}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6276] <... sendmsg resumed>) = 44 [pid 6274] close(6 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] recvfrom(3, [pid 6276] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(7 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=80}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6276] <... openat resumed>) = 4 [pid 6277] close(3 [pid 6274] close(7 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./75/binderfs", [pid 6277] <... close resumed>) = 0 [pid 6276] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(8 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6277] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6276] <... openat resumed>) = 5 [pid 6274] close(8 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./75/binderfs" [pid 6277] <... socket resumed>) = 3 [pid 6276] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(9 [pid 5839] <... unlink resumed>) = 0 [pid 6277] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6274] close(9) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(10) = -1 EBADF (Bad file descriptor) [pid 6273] close(11) = -1 EBADF (Bad file descriptor) [pid 6274] close(10 [pid 6273] close(12) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(13 [pid 5839] umount2("./75/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6274] close(11 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6273] close(14 [pid 6277] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./75/cgroup.net", [pid 6277] <... sendmsg resumed>) = 44 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6277] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6273] close(15 [pid 5839] unlink("./75/cgroup.net" [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... openat resumed>) = 4 [pid 5839] <... unlink resumed>) = 0 [pid 6277] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5839] umount2("./75/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] <... openat resumed>) = 5 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6277] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5839] unlink("./75/cgroup.cpu") = 0 [pid 5839] umount2("./75/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6274] close(12 [pid 6273] close(16 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6274] close(13 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(17 [pid 5839] newfstatat(AT_FDCWD, "./75/cgroup", [pid 6274] close(14 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(15 [pid 6273] close(18 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./75/cgroup" [pid 6274] close(16) = -1 EBADF (Bad file descriptor) [pid 6273] close(19 [pid 5839] <... unlink resumed>) = 0 [pid 6276] <... writev resumed>) = 61440 [pid 6274] close(17 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(3 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(20 [pid 6276] <... close resumed>) = 0 [pid 6276] close(4) = 0 [pid 6276] close(5 [pid 6274] close(18 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] getdents64(3, [pid 6276] <... close resumed>) = 0 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6276] close(6 [pid 6274] close(19 [pid 6273] close(21 [pid 5839] close(3 [pid 6276] <... 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 6276] close(7 [pid 6274] close(20 [pid 6273] close(22 [pid 5839] <... close resumed>) = 0 [pid 6276] <... 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 6276] close(8 [pid 6274] close(21 [pid 6273] close(23 [pid 6276] <... 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 6276] close(9) = -1 EBADF (Bad file descriptor) [pid 6274] close(22 [pid 6276] close(10 [pid 6273] close(24 [pid 6276] <... 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 6276] close(11 [pid 6274] close(23 [pid 6273] close(25 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(12 [pid 6274] close(24 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(26 [pid 6276] close(13 [pid 6274] close(25 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(14 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(27 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(26 [pid 6276] close(15 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(27 [pid 6273] close(28 [pid 6276] close(16 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(28 [pid 6276] close(17 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] close(29 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(29 [pid 6273] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(18 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] exit_group(0 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] exit_group(0 [pid 6276] close(19 [pid 6277] <... writev resumed>) = 61440 [pid 6274] <... exit_group resumed>) = ? [pid 6273] <... exit_group resumed>) = ? [pid 5839] rmdir("./75" [pid 6277] close(3 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] +++ exited with 0 +++ [pid 6277] <... close resumed>) = 0 [pid 6276] close(20 [pid 5839] <... rmdir resumed>) = 0 [pid 6277] close(4 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = 0 [pid 6276] close(21 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5839] mkdir("./76", 0777 [pid 6277] close(5 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] +++ exited with 0 +++ [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5839] <... mkdir resumed>) = 0 [pid 6276] close(22) = -1 EBADF (Bad file descriptor) [pid 6277] <... close resumed>) = 0 [pid 6276] close(23 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6277] close(6 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 6278 attached [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(24 [pid 6278] set_robust_list(0x5555617a06a0, 24 [pid 6277] close(7 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... set_robust_list resumed>) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(25 [pid 6277] close(8 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6278] chdir("./76" [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(26 [pid 6278] <... chdir resumed>) = 0 [pid 6277] close(9 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... prctl resumed>) = 0 [pid 6276] close(27 [pid 6277] close(10 [pid 6278] setpgid(0, 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... setpgid resumed>) = 0 [pid 6277] close(11 [pid 6276] close(28 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6277] close(12 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... restart_syscall resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 79 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6278] <... symlink resumed>) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] close(29 [pid 6278] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6277] close(13 [pid 6276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... symlink resumed>) = 0 [pid 6276] exit_group(0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6277] close(14 [pid 6276] <... exit_group resumed>) = ? [pid 6278] <... symlink resumed>) = 0 [pid 6276] +++ exited with 0 +++ [pid 5842] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6278] <... openat resumed>) = 3 [pid 6277] close(15 [pid 5842] <... openat resumed>) = 3 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5838] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6278] write(3, "1000", 4 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] <... write resumed>) = 4 [pid 6277] close(16 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... restart_syscall resumed>) = 0 [pid 6278] close(3 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] close(17 [pid 5842] getdents64(3, [pid 5838] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6278] <... close resumed>) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... openat resumed>) = 3 [pid 6278] symlink("/dev/binderfs", "./binderfs" [pid 6277] close(18 [pid 5842] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 6278] <... symlink resumed>) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6277] close(19 [pid 5842] newfstatat(AT_FDCWD, "./78/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 6278] write(1, "executing program\n", 18 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6278] <... write resumed>) = 18 [pid 6277] close(20 [pid 5842] unlink("./78/binderfs" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6278] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5838] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] close(21 [pid 5842] umount2("./78/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6278] <... socket resumed>) = 3 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6277] close(22 [pid 5842] newfstatat(AT_FDCWD, "./78/cgroup.net", [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./78/binderfs", [pid 6278] <... sendto resumed>) = 32 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6278] recvfrom(3, [pid 6277] close(23 [pid 5842] unlink("./78/cgroup.net" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=79}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6277] close(24 [pid 5838] unlink("./78/binderfs" [pid 6278] recvfrom(3, [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 6278] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=79}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6277] close(25 [pid 5842] umount2("./78/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6278] close(3 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./78/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6277] close(26 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./76/binderfs", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] <... close resumed>) = 0 [pid 6277] close(27 [pid 6278] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... socket resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./78/cgroup.cpu", [pid 6277] close(28 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./78/cgroup.net", [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6277] close(29 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./78/cgroup.cpu" [pid 5840] unlink("./76/binderfs" [pid 5838] unlink("./78/cgroup.net" [pid 6278] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6277] exit_group(0 [pid 6278] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... unlink resumed>) = 0 [pid 6278] <... sendmsg resumed>) = 44 [pid 5840] <... unlink resumed>) = 0 [pid 6278] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6277] <... exit_group resumed>) = ? [pid 5838] <... unlink resumed>) = 0 [pid 6278] <... openat resumed>) = 4 [pid 5842] umount2("./78/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./76/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6278] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6278] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6277] +++ exited with 0 +++ [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./78/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./78/cgroup", [pid 5840] newfstatat(AT_FDCWD, "./76/cgroup.net", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./78/cgroup.cpu", [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] unlink("./78/cgroup" [pid 5840] unlink("./76/cgroup.net" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] unlink("./78/cgroup.cpu" [pid 5842] getdents64(3, [pid 5840] umount2("./76/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5835] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./78/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./78/cgroup", [pid 5835] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5835] newfstatat(3, "", [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] newfstatat(AT_FDCWD, "./76/cgroup.cpu", [pid 5842] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./78/cgroup" [pid 5842] <... close resumed>) = 0 [pid 5840] unlink("./76/cgroup.cpu" [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./76/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(3, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] newfstatat(AT_FDCWD, "./76/cgroup", [pid 5835] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./76/cgroup" [pid 5835] newfstatat(AT_FDCWD, "./77/binderfs", [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(3, [pid 5835] unlink("./77/binderfs" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./76" [pid 5835] umount2("./77/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] <... rmdir resumed>) = 0 [pid 5840] mkdir("./77", 0777 [pid 5835] newfstatat(AT_FDCWD, "./77/cgroup.net", [pid 5840] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] unlink("./77/cgroup.net" [pid 5842] rmdir("./78" [pid 5838] getdents64(3, [pid 5842] <... rmdir resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5835] umount2("./77/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./77/cgroup.cpu") = 0 ./strace-static-x86_64: Process 6279 attached [pid 6279] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 80 [pid 5835] umount2("./77/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6279] <... set_robust_list resumed>) = 0 [pid 6279] chdir("./77" [pid 5842] mkdir("./79", 0777 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6279] <... chdir resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5838] close(3 [pid 6279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./77/cgroup", [pid 6279] <... prctl resumed>) = 0 [pid 6279] setpgid(0, 0 [pid 5838] rmdir("./78" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5835] unlink("./77/cgroup" [pid 6279] <... setpgid resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6279] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5838] mkdir("./79", 0777 [pid 5835] getdents64(3, [pid 5838] <... mkdir resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6279] <... symlink resumed>) = 0 [pid 5835] close(3 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... close resumed>) = 0 ./strace-static-x86_64: Process 6280 attached [pid 6279] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5835] rmdir("./77" [pid 6280] set_robust_list(0x5555617a06a0, 24 [pid 6279] <... symlink resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 82 [pid 5835] <... rmdir resumed>) = 0 [pid 6280] <... set_robust_list resumed>) = 0 [pid 5835] mkdir("./78", 0777 [pid 6279] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5835] <... mkdir resumed>) = 0 [pid 6280] chdir("./79" [pid 6279] <... symlink resumed>) = 0 [pid 6279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6280] <... chdir resumed>) = 0 [pid 6279] <... openat resumed>) = 3 [pid 6280] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6281 attached ) = 0 [pid 6281] set_robust_list(0x5555617a06a0, 24 [pid 6280] setpgid(0, 0 [pid 6279] write(3, "1000", 4 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 82 [pid 6279] <... write resumed>) = 4 [pid 6279] close(3 [pid 6280] <... setpgid resumed>) = 0 [pid 6279] <... close resumed>) = 0 [pid 6281] <... set_robust_list resumed>) = 0 [pid 6280] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6279] symlink("/dev/binderfs", "./binderfs" [pid 6280] <... symlink resumed>) = 0 [pid 6281] chdir("./79" [pid 6279] <... symlink resumed>) = 0 [pid 6281] <... chdir resumed>) = 0 [pid 6280] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 ./strace-static-x86_64: Process 6282 attached executing program [pid 6282] set_robust_list(0x5555617a06a0, 24 [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6280] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6279] write(1, "executing program\n", 18 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 81 [pid 6282] <... set_robust_list resumed>) = 0 [pid 6281] <... prctl resumed>) = 0 [pid 6280] <... symlink resumed>) = 0 [pid 6279] <... write resumed>) = 18 [pid 6282] chdir("./78" [pid 6281] setpgid(0, 0 [pid 6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6279] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6282] <... chdir resumed>) = 0 [pid 6281] <... setpgid resumed>) = 0 [pid 6280] <... openat resumed>) = 3 [pid 6281] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6281] <... symlink resumed>) = 0 [pid 6280] write(3, "1000", 4 [pid 6279] <... socket resumed>) = 3 [pid 6282] <... prctl resumed>) = 0 [pid 6280] <... write resumed>) = 4 [pid 6279] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6282] setpgid(0, 0 [pid 6281] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6280] close(3 [pid 6282] <... setpgid resumed>) = 0 [pid 6281] <... symlink resumed>) = 0 [pid 6280] <... close resumed>) = 0 [pid 6282] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6280] symlink("/dev/binderfs", "./binderfs" [pid 6279] <... sendto resumed>) = 32 [pid 6282] <... symlink resumed>) = 0 [pid 6281] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6280] <... symlink resumed>) = 0 [pid 6279] recvfrom(3, executing program [pid 6282] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6281] <... symlink resumed>) = 0 [pid 6280] write(1, "executing program\n", 18 [pid 6279] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=80}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6282] <... symlink resumed>) = 0 [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] <... write resumed>) = 18 [pid 6279] recvfrom(3, [pid 6281] <... openat resumed>) = 3 [pid 6280] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6279] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=80}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6282] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6281] write(3, "1000", 4 [pid 6280] <... socket resumed>) = 3 [pid 6279] close(3 [pid 6282] <... symlink resumed>) = 0 [pid 6281] <... write resumed>) = 4 [pid 6280] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6281] close(3 [pid 6280] <... sendto resumed>) = 32 [pid 6279] <... close resumed>) = 0 [pid 6282] <... openat resumed>) = 3 [pid 6281] <... close resumed>) = 0 [pid 6280] recvfrom(3, [pid 6279] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6282] write(3, "1000", 4 [pid 6281] symlink("/dev/binderfs", "./binderfs" [pid 6280] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=82}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6279] <... socket resumed>) = 3 [pid 6282] <... write resumed>) = 4 [pid 6281] <... symlink resumed>) = 0 [pid 6280] recvfrom(3, [pid 6279] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6282] close(3 [pid 6281] write(1, "executing program\n", 18 [pid 6280] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=82}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 executing program [pid 6279] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6282] <... close resumed>) = 0 [pid 6281] <... write resumed>) = 18 [pid 6280] close(3 [pid 6282] symlink("/dev/binderfs", "./binderfs" [pid 6281] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6280] <... close resumed>) = 0 [pid 6279] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6281] <... socket resumed>) = 3 [pid 6280] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6279] <... sendmsg resumed>) = 44 [pid 6282] <... symlink resumed>) = 0 [pid 6281] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 executing program [pid 6280] <... socket resumed>) = 3 [pid 6279] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6282] write(1, "executing program\n", 18 [pid 6281] <... sendto resumed>) = 32 [pid 6280] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6279] <... openat resumed>) = 4 [pid 6282] <... write resumed>) = 18 [pid 6281] recvfrom(3, [pid 6280] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6282] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6281] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=82}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6280] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6279] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6282] <... socket resumed>) = 3 [pid 6281] recvfrom(3, [pid 6280] <... sendmsg resumed>) = 44 [pid 6282] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6281] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=82}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6279] <... openat resumed>) = 5 [pid 6282] <... sendto resumed>) = 32 [pid 6281] close(3 [pid 6280] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6279] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6282] recvfrom(3, [pid 6281] <... close resumed>) = 0 [pid 6280] <... openat resumed>) = 4 [pid 6278] <... writev resumed>) = 61440 [pid 6282] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=81}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6278] close(3) = 0 [pid 6281] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6278] close(4) = 0 [pid 6278] close(5 [pid 6282] recvfrom(3, [pid 6281] <... socket resumed>) = 3 [pid 6280] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6282] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=81}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6281] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6280] <... openat resumed>) = 5 [pid 6278] <... close resumed>) = 0 [pid 6282] close(3) = 0 [pid 6280] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6278] close(6 [pid 6282] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(7 [pid 6282] <... socket resumed>) = 3 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6278] close(8 [pid 6282] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6280] <... writev resumed>) = 61440 [pid 6278] close(9 [pid 6282] <... sendmsg resumed>) = 44 [pid 6280] close(3 [pid 6282] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] <... openat resumed>) = 4 [pid 6281] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6280] <... close resumed>) = 0 [pid 6278] close(10) = -1 EBADF (Bad file descriptor) [pid 6282] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6280] close(4 [pid 6278] close(11 [pid 6282] <... openat resumed>) = 5 [pid 6280] <... close resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6280] close(5 [pid 6278] close(12 [pid 6281] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = 0 [pid 6278] close(13 [pid 6281] <... sendmsg resumed>) = 44 [pid 6281] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6280] close(6) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6278] close(14 [pid 6281] <... openat resumed>) = 5 [pid 6280] close(7 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(8 [pid 6278] close(15 [pid 6281] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(9 [pid 6278] close(16 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(10 [pid 6279] <... writev resumed>) = 61440 [pid 6278] close(17 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(3) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(11 [pid 6278] close(18 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(4 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(12 [pid 6279] <... close resumed>) = 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(19 [pid 6280] close(13) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(14 [pid 6279] close(5 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(15 [pid 6279] <... close resumed>) = 0 [pid 6278] close(20 [pid 6279] close(6 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(16 [pid 6278] close(21 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(17 [pid 6279] close(7 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(22 [pid 6280] close(18 [pid 6279] close(8 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(9 [pid 6278] close(23 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(10 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(11 [pid 6278] close(24 [pid 6280] close(19 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(12 [pid 6278] close(25 [pid 6280] close(20 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(13 [pid 6280] close(21 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(22) = -1 EBADF (Bad file descriptor) [pid 6278] close(26 [pid 6280] close(23 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(27 [pid 6280] close(24 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(28 [pid 6280] close(25 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(29 [pid 6280] close(26) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] exit_group(0 [pid 6280] close(27 [pid 6279] close(14 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... exit_group resumed>) = ? [pid 6280] close(28 [pid 6278] +++ exited with 0 +++ [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(29) = -1 EBADF (Bad file descriptor) [pid 6280] exit_group(0) = ? [pid 6280] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5839] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5839] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... restart_syscall resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 6279] close(15) = -1 EBADF (Bad file descriptor) [pid 6279] close(16) = -1 EBADF (Bad file descriptor) [pid 6279] close(17) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(3, "", [pid 6282] <... writev resumed>) = 61440 [pid 6279] close(18 [pid 5842] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6282] close(3 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] <... close resumed>) = 0 [pid 6279] close(19 [pid 5839] getdents64(3, [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... openat resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 6282] close(4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] <... close resumed>) = 0 [pid 5842] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] newfstatat(AT_FDCWD, "./76/binderfs", [pid 6282] close(5 [pid 6279] close(20 [pid 5842] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6282] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./76/binderfs" [pid 6282] close(6 [pid 5842] newfstatat(AT_FDCWD, "./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./79/binderfs" [pid 6282] close(7 [pid 5839] umount2("./76/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./76/cgroup.net", [pid 6282] close(8 [pid 5842] umount2("./79/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(21) = -1 EBADF (Bad file descriptor) [pid 6282] close(9 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./76/cgroup.net" [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6282] close(10 [pid 6279] close(22 [pid 5839] <... unlink resumed>) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(11 [pid 5842] unlink("./79/cgroup.net" [pid 5839] umount2("./76/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] close(12 [pid 5842] umount2("./79/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./76/cgroup.cpu", [pid 6282] close(13 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./79/cgroup.cpu", [pid 6279] close(23) = -1 EBADF (Bad file descriptor) [pid 6282] close(14 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./76/cgroup.cpu" [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./79/cgroup.cpu" [pid 6282] close(15 [pid 5842] <... unlink resumed>) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./79/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 6282] close(16) = -1 EBADF (Bad file descriptor) [pid 6282] close(17 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./76/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(18 [pid 5842] newfstatat(AT_FDCWD, "./79/cgroup", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6282] close(19 [pid 5842] unlink("./79/cgroup" [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./76/cgroup", [pid 6282] close(20) = -1 EBADF (Bad file descriptor) [pid 6279] close(24 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6282] close(21 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5839] unlink("./76/cgroup" [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(25 [pid 6282] close(22 [pid 5842] getdents64(3, [pid 5839] <... unlink resumed>) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] getdents64(3, [pid 6282] close(23 [pid 5842] close(3 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 6282] close(24 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./79" [pid 5839] close(3 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] close(26 [pid 5842] <... rmdir resumed>) = 0 [pid 6282] close(25 [pid 5842] mkdir("./80", 0777 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 6282] close(26 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] rmdir("./76" [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(27 [pid 5839] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6283 attached [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir("./77", 0777 [pid 6282] close(28 [pid 6279] close(27 [pid 5839] <... mkdir resumed>) = 0 [pid 6283] set_robust_list(0x5555617a06a0, 24 [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 83 [pid 6283] <... set_robust_list resumed>) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] chdir("./80" [pid 6282] close(29 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... chdir resumed>) = 0 [pid 6283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6282] exit_group(0 [pid 6283] setpgid(0, 0) = 0 [pid 6282] <... exit_group resumed>) = ? [pid 6279] close(28 [pid 6283] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... symlink resumed>) = 0 [pid 6279] close(29 [pid 6283] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 ./strace-static-x86_64: Process 6284 attached [pid 6282] +++ exited with 0 +++ [pid 6279] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] set_robust_list(0x5555617a06a0, 24 [pid 6283] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6279] exit_group(0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 80 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] <... symlink resumed>) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6284] chdir("./77" [pid 6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6284] <... chdir resumed>) = 0 [pid 6283] <... openat resumed>) = 3 [pid 6284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6283] write(3, "1000", 4 [pid 6284] <... prctl resumed>) = 0 [pid 6284] setpgid(0, 0 [pid 6283] <... write resumed>) = 4 [pid 5835] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6284] <... setpgid resumed>) = 0 [pid 6283] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6283] <... close resumed>) = 0 [pid 6283] symlink("/dev/binderfs", "./binderfs" [pid 5835] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6284] <... symlink resumed>) = 0 [pid 6283] <... symlink resumed>) = 0 [pid 6284] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6283] write(1, "executing program\n", 18executing program [pid 5835] <... openat resumed>) = 3 [pid 6284] <... symlink resumed>) = 0 [pid 6283] <... write resumed>) = 18 [pid 6283] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] newfstatat(3, "", [pid 6279] <... exit_group resumed>) = ? [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6283] <... socket resumed>) = 3 [pid 5835] getdents64(3, [pid 6284] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6279] +++ exited with 0 +++ [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6283] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5835] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6283] <... sendto resumed>) = 32 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6284] <... openat resumed>) = 3 [pid 6283] recvfrom(3, [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6281] <... writev resumed>) = 61440 [pid 6283] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=83}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6284] write(3, "1000", 4 [pid 6283] recvfrom(3, [pid 6281] close(3 [pid 5840] <... restart_syscall resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] <... write resumed>) = 4 [pid 6283] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=83}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5835] newfstatat(AT_FDCWD, "./78/binderfs", [pid 6284] close(3 [pid 6283] close(3 [pid 6281] <... close resumed>) = 0 [pid 6284] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6284] symlink("/dev/binderfs", "./binderfs" [pid 6283] <... close resumed>) = 0 [pid 6284] <... symlink resumed>) = 0 [pid 6283] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6281] close(4 [pid 5840] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./78/binderfs" [pid 6284] write(1, "executing program\n", 18executing program [pid 6283] <... socket resumed>) = 3 [pid 6281] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 6284] <... write resumed>) = 18 [pid 6283] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6281] close(5 [pid 5840] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] umount2("./78/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6284] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6283] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6284] <... socket resumed>) = 3 [pid 6281] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6281] close(6 [pid 6284] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6283] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] newfstatat(AT_FDCWD, "./78/cgroup.net", [pid 6284] <... sendto resumed>) = 32 [pid 6283] <... sendmsg resumed>) = 44 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 6281] close(7 [pid 6284] recvfrom(3, [pid 6283] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6284] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=80}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6283] <... openat resumed>) = 4 [pid 6281] close(8 [pid 5840] getdents64(3, [pid 5835] unlink("./78/cgroup.net" [pid 6284] recvfrom(3, [pid 6283] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... unlink resumed>) = 0 [pid 6284] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=80}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6283] <... openat resumed>) = 5 [pid 6281] close(9 [pid 5840] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6284] close(3 [pid 6283] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] umount2("./78/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] <... close resumed>) = 0 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6281] close(10 [pid 5840] newfstatat(AT_FDCWD, "./77/binderfs", [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... socket resumed>) = 3 [pid 6283] <... writev resumed>) = 61440 [pid 6281] close(11 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./78/cgroup.cpu", [pid 6284] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6283] close(3 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./77/binderfs" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6284] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6284] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] unlink("./78/cgroup.cpu" [pid 6284] <... sendmsg resumed>) = 44 [pid 6283] <... close resumed>) = 0 [pid 6281] close(12 [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6284] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6283] close(4 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./77/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./78/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6284] <... openat resumed>) = 4 [pid 6281] close(13 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6283] <... close resumed>) = 0 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] <... openat resumed>) = 5 [pid 6284] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5840] newfstatat(AT_FDCWD, "./77/cgroup.net", [pid 5835] newfstatat(AT_FDCWD, "./78/cgroup", [pid 6283] close(5 [pid 6281] close(14 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] unlink("./78/cgroup" [pid 6281] close(15 [pid 6284] <... writev resumed>) = 61440 [pid 6283] <... close resumed>) = 0 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./77/cgroup.net" [pid 5835] <... unlink resumed>) = 0 [pid 6284] close(3 [pid 6283] close(6 [pid 6281] close(16 [pid 5840] <... unlink resumed>) = 0 [pid 6284] <... close resumed>) = 0 [pid 5840] umount2("./77/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6284] close(4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6284] <... close resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6284] close(5 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 5840] unlink("./77/cgroup.cpu" [pid 6284] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6283] close(7 [pid 6281] close(17 [pid 5840] umount2("./77/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6284] close(6 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] close(3 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(8 [pid 6281] close(18 [pid 5840] newfstatat(AT_FDCWD, "./77/cgroup", [pid 5835] <... close resumed>) = 0 [pid 6284] close(7 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(9 [pid 6281] close(19 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] rmdir("./78" [pid 6284] close(8 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(10 [pid 6281] close(20 [pid 5840] unlink("./77/cgroup" [pid 5835] mkdir("./79", 0777 [pid 6284] close(9 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 6283] close(11 [pid 6281] close(21 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6284] close(10 [pid 6283] close(12 [pid 6281] close(22./strace-static-x86_64: Process 6285 attached ) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6285] set_robust_list(0x5555617a06a0, 24 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(23 [pid 5840] close(3 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 82 [pid 6284] close(11 [pid 6283] close(13 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(24 [pid 5840] rmdir("./77" [pid 6285] chdir("./79" [pid 6284] close(12 [pid 6283] close(14 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 6285] <... chdir resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(25 [pid 5840] mkdir("./78", 0777 [pid 6285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6284] close(13 [pid 6283] close(15 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 [pid 6285] <... prctl resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(26 [pid 6284] close(14 [pid 6283] close(16 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6285] setpgid(0, 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(27./strace-static-x86_64: Process 6286 attached [pid 6285] <... setpgid resumed>) = 0 [pid 6283] close(17) = -1 EBADF (Bad file descriptor) [pid 6283] close(18 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6286] set_robust_list(0x5555617a06a0, 24 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(28 [pid 6283] close(19 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(29 [pid 6286] <... set_robust_list resumed>) = 0 [pid 6283] close(20 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] chdir("./78" [pid 6285] <... symlink resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] exit_group(0 [pid 6283] close(21 [pid 6284] close(15 [pid 6286] <... chdir resumed>) = 0 [pid 6285] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6284] close(16 [pid 6283] close(22 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(17 [pid 6283] close(23 [pid 6281] <... exit_group resumed>) = ? [pid 6286] <... prctl resumed>) = 0 [pid 6285] <... symlink resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] setpgid(0, 0 [pid 6285] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6286] <... setpgid resumed>) = 0 [pid 6283] close(24 [pid 6284] close(18 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... symlink resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(25 [pid 6286] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6284] close(19 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... openat resumed>) = 3 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(26 [pid 6281] +++ exited with 0 +++ [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 81 [pid 6284] close(20 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(27 [pid 6284] close(21 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(28 [pid 6284] close(22 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(29 [pid 6284] close(23 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] exit_group(0 [pid 6284] close(24 [pid 6283] <... exit_group resumed>) = ? [pid 6286] <... symlink resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6284] close(25) = -1 EBADF (Bad file descriptor) [pid 6286] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6284] close(26 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... symlink resumed>) = 0 [pid 6285] write(3, "1000", 4 [pid 6284] close(27) = -1 EBADF (Bad file descriptor) [pid 6286] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6285] <... write resumed>) = 4 [pid 6284] close(28 [pid 6283] +++ exited with 0 +++ [pid 6286] <... symlink resumed>) = 0 [pid 6285] close(3 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5838] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] <... close resumed>) = 0 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 6285] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... restart_syscall resumed>) = 0 [pid 6284] close(29 [pid 6285] <... symlink resumed>) = 0 [pid 6284] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6285] write(1, "executing program\n", 18 [pid 6284] exit_group(0) = ? [pid 6286] <... openat resumed>) = 3 [pid 6285] <... write resumed>) = 18 [pid 5838] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6284] +++ exited with 0 +++ [pid 5842] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6286] write(3, "1000", 4 [pid 5838] newfstatat(3, "", [pid 6286] <... write resumed>) = 4 [pid 5842] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6285] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6285] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6286] close(3 [pid 5842] <... openat resumed>) = 3 [pid 5839] <... restart_syscall resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6286] <... close resumed>) = 0 [pid 6285] <... sendto resumed>) = 32 [pid 5842] newfstatat(3, "", [pid 5838] getdents64(3, [pid 6286] symlink("/dev/binderfs", "./binderfs" [pid 6285] recvfrom(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6286] <... symlink resumed>) = 0 [pid 5838] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6286] write(1, "executing program\n", 18 [pid 6285] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=82}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] getdents64(3, [pid 5839] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] <... write resumed>) = 18 [pid 6285] recvfrom(3, [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./79/binderfs", [pid 6286] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6285] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=82}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6286] <... socket resumed>) = 3 [pid 6285] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... openat resumed>) = 3 [pid 6285] <... close resumed>) = 0 [pid 5838] unlink("./79/binderfs" [pid 6285] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] newfstatat(AT_FDCWD, "./80/binderfs", [pid 5839] newfstatat(3, "", [pid 5838] <... unlink resumed>) = 0 [pid 6286] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] umount2("./79/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6285] <... socket resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 6286] <... sendto resumed>) = 32 [pid 6285] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] unlink("./80/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] recvfrom(3, [pid 6285] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] newfstatat(AT_FDCWD, "./79/cgroup.net", [pid 6286] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=81}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6285] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] umount2("./80/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6286] recvfrom(3, [pid 6285] <... sendmsg resumed>) = 44 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6286] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=81}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6285] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] newfstatat(AT_FDCWD, "./80/cgroup.net", [pid 5839] newfstatat(AT_FDCWD, "./77/binderfs", [pid 5838] unlink("./79/cgroup.net" [pid 6286] close(3 [pid 6285] <... openat resumed>) = 4 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./77/binderfs" [pid 5838] <... unlink resumed>) = 0 [pid 6286] <... close resumed>) = 0 [pid 6286] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6285] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] unlink("./80/cgroup.net" [pid 5839] <... unlink resumed>) = 0 [pid 5838] umount2("./79/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6286] <... socket resumed>) = 3 [pid 6285] <... openat resumed>) = 5 [pid 5842] <... unlink resumed>) = 0 [pid 5839] umount2("./77/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./80/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6285] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] newfstatat(AT_FDCWD, "./80/cgroup.cpu", [pid 5839] newfstatat(AT_FDCWD, "./77/cgroup.net", [pid 5838] newfstatat(AT_FDCWD, "./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6286] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6286] <... sendmsg resumed>) = 44 [pid 5842] unlink("./80/cgroup.cpu" [pid 5838] unlink("./79/cgroup.cpu" [pid 6286] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./77/cgroup.net" [pid 6286] <... openat resumed>) = 4 [pid 5842] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5842] umount2("./80/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./79/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] newfstatat(AT_FDCWD, "./80/cgroup", [pid 5839] umount2("./77/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./79/cgroup", [pid 6286] <... openat resumed>) = 5 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6286] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./80/cgroup" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] getdents64(3, [pid 5839] unlink("./77/cgroup.cpu") = 0 [pid 5838] unlink("./79/cgroup" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5842] close(3 [pid 5839] umount2("./77/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] getdents64(3, [pid 5842] <... close resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] rmdir("./80") = 0 [pid 5839] newfstatat(AT_FDCWD, "./77/cgroup", [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] mkdir("./81", 0777 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./77/cgroup" [pid 5842] <... mkdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] close(3) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] rmdir("./79" [pid 5839] getdents64(3, [pid 5838] <... rmdir resumed>) = 0 [pid 5838] mkdir("./80", 0777 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5839] close(3) = 0 [pid 5839] rmdir("./77") = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] mkdir("./78", 0777) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6287 attached [pid 6287] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 84 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6287] chdir("./81") = 0 [pid 6287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6288 attached [pid 6287] setpgid(0, 0) = 0 [pid 6287] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6288] set_robust_list(0x5555617a06a0, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 83 [pid 6288] <... set_robust_list resumed>) = 0 [pid 6287] <... symlink resumed>) = 0 [pid 6288] chdir("./80" [pid 6287] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"./strace-static-x86_64: Process 6289 attached [pid 6288] <... chdir resumed>) = 0 [pid 6287] <... symlink resumed>) = 0 [pid 6289] set_robust_list(0x5555617a06a0, 24 [pid 6288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6287] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 81 [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] <... prctl resumed>) = 0 [pid 6289] chdir("./78" [pid 6288] setpgid(0, 0 [pid 6287] <... symlink resumed>) = 0 [pid 6289] <... chdir resumed>) = 0 [pid 6288] <... setpgid resumed>) = 0 [pid 6287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6288] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6287] <... openat resumed>) = 3 [pid 6289] <... prctl resumed>) = 0 [pid 6288] <... symlink resumed>) = 0 [pid 6287] write(3, "1000", 4 [pid 6289] setpgid(0, 0 [pid 6288] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6287] <... write resumed>) = 4 [pid 6289] <... setpgid resumed>) = 0 [pid 6287] close(3 [pid 6289] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6288] <... symlink resumed>) = 0 [pid 6287] <... close resumed>) = 0 [pid 6289] <... symlink resumed>) = 0 [pid 6288] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6287] symlink("/dev/binderfs", "./binderfs" [pid 6288] <... symlink resumed>) = 0 [pid 6289] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6287] <... symlink resumed>) = 0 [pid 6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6287] write(1, "executing program\n", 18 [pid 6289] <... symlink resumed>) = 0 [pid 6288] <... openat resumed>) = 3 executing program [pid 6288] write(3, "1000", 4 [pid 6287] <... write resumed>) = 18 [pid 6289] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6288] <... write resumed>) = 4 [pid 6287] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6289] <... symlink resumed>) = 0 [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6288] close(3 [pid 6287] <... socket resumed>) = 3 [pid 6289] <... openat resumed>) = 3 [pid 6288] <... close resumed>) = 0 [pid 6287] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6289] write(3, "1000", 4 [pid 6288] symlink("/dev/binderfs", "./binderfs" [pid 6289] <... write resumed>) = 4 [pid 6288] <... symlink resumed>) = 0 [pid 6287] <... sendto resumed>) = 32 [pid 6289] close(3executing program [pid 6288] write(1, "executing program\n", 18 [pid 6287] recvfrom(3, [pid 6289] <... close resumed>) = 0 [pid 6288] <... write resumed>) = 18 [pid 6289] symlink("/dev/binderfs", "./binderfs" [pid 6288] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6287] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=84}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6289] <... symlink resumed>) = 0 [pid 6288] <... socket resumed>) = 3 [pid 6287] recvfrom(3, [pid 6289] write(1, "executing program\n", 18 [pid 6288] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12executing program [pid 6287] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=84}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6289] <... write resumed>) = 18 [pid 6288] <... sendto resumed>) = 32 [pid 6287] close(3 [pid 6289] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6288] recvfrom(3, [pid 6287] <... close resumed>) = 0 [pid 6289] <... socket resumed>) = 3 [pid 6288] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=83}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6287] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6289] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6288] recvfrom(3, [pid 6289] <... sendto resumed>) = 32 [pid 6288] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=83}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6287] <... socket resumed>) = 3 [pid 6289] recvfrom(3, [pid 6288] close(3 [pid 6287] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6289] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=81}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6288] <... close resumed>) = 0 [pid 6287] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6289] recvfrom(3, [pid 6288] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6287] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6289] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=81}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6288] <... socket resumed>) = 3 [pid 6287] <... sendmsg resumed>) = 44 [pid 6289] close(3 [pid 6288] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6287] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6289] <... close resumed>) = 0 [pid 6288] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6287] <... openat resumed>) = 4 [pid 6289] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6288] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6289] <... socket resumed>) = 3 [pid 6288] <... sendmsg resumed>) = 44 [pid 6289] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6288] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6287] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6289] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6288] <... openat resumed>) = 4 [pid 6287] <... openat resumed>) = 5 [pid 6289] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6288] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6287] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6289] <... sendmsg resumed>) = 44 [pid 6289] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6288] <... openat resumed>) = 5 [pid 6288] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6289] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6285] <... writev resumed>) = 61440 [pid 6289] <... openat resumed>) = 5 [pid 6286] <... writev resumed>) = 61440 [pid 6285] close(3 [pid 6286] close(3) = 0 [pid 6285] <... close resumed>) = 0 [pid 6286] close(4) = 0 [pid 6286] close(5) = 0 [pid 6286] close(6) = -1 EBADF (Bad file descriptor) [pid 6285] close(4 [pid 6286] close(7) = -1 EBADF (Bad file descriptor) [pid 6286] close(8) = -1 EBADF (Bad file descriptor) [pid 6286] close(9) = -1 EBADF (Bad file descriptor) [pid 6286] close(10) = -1 EBADF (Bad file descriptor) [pid 6286] close(11) = -1 EBADF (Bad file descriptor) [pid 6286] close(12) = -1 EBADF (Bad file descriptor) [pid 6286] close(13) = -1 EBADF (Bad file descriptor) [pid 6286] close(14 [pid 6289] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6285] <... close resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] close(15) = -1 EBADF (Bad file descriptor) [pid 6286] close(16) = -1 EBADF (Bad file descriptor) [pid 6286] close(17) = -1 EBADF (Bad file descriptor) [pid 6286] close(18) = -1 EBADF (Bad file descriptor) [pid 6286] close(19 [pid 6289] <... writev resumed>) = 61440 [pid 6287] <... writev resumed>) = 61440 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(5 [pid 6289] close(3 [pid 6287] close(3 [pid 6286] close(20 [pid 6285] <... close resumed>) = 0 [pid 6287] <... close resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(6 [pid 6289] <... close resumed>) = 0 [pid 6287] close(4 [pid 6286] close(21) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] close(4 [pid 6287] <... close resumed>) = 0 [pid 6286] close(22 [pid 6289] <... close resumed>) = 0 [pid 6285] close(7 [pid 6287] close(5 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] close(23 [pid 6289] close(5 [pid 6287] <... close resumed>) = 0 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(6 [pid 6286] close(24 [pid 6285] close(8 [pid 6289] <... close 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 6289] close(6 [pid 6287] close(7 [pid 6286] close(25 [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(9 [pid 6289] close(7 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(8 [pid 6286] close(26 [pid 6285] close(10 [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 6289] close(8 [pid 6287] close(9 [pid 6285] close(11 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] close(27 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] close(9 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(12 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(10 [pid 6286] close(28 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] close(10 [pid 6286] <... 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(29 [pid 6285] close(13 [pid 6289] close(11 [pid 6287] close(11 [pid 6286] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... 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] exit_group(0 [pid 6285] close(14 [pid 6287] close(12 [pid 6289] close(12 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... exit_group resumed>) = ? [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(13 [pid 6285] close(15 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(14 [pid 6285] close(16 [pid 6289] close(13 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(15 [pid 6285] close(17 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] close(14 [pid 6287] close(16 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] close(15) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(18 [pid 6289] close(16 [pid 6287] close(17 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] +++ exited with 0 +++ [pid 6289] close(17 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(18 [pid 6285] close(19 [pid 6289] close(18 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(19 [pid 6285] close(20 [pid 6289] close(19 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(20 [pid 6285] close(21 [pid 6289] close(20 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] close(21 [pid 6287] close(21 [pid 6285] <... 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 6285] close(22 [pid 6289] close(22 [pid 6287] close(22 [pid 6285] <... 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 5840] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6289] close(23 [pid 6287] close(23 [pid 6285] close(23 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6289] close(24 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... openat resumed>) = 3 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(24 [pid 6285] close(24 [pid 5840] newfstatat(3, "", [pid 6289] close(25) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6289] close(26 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(25 [pid 6285] close(25 [pid 5840] getdents64(3, [pid 6289] close(27 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] close(28 [pid 6287] close(26 [pid 6285] close(26 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6289] close(29 [pid 6287] close(27 [pid 6289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(27 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6289] exit_group(0 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] close(28 [pid 5840] newfstatat(AT_FDCWD, "./78/binderfs", [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(28 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6289] <... exit_group resumed>) = ? [pid 6287] close(29 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./78/binderfs" [pid 6285] close(29 [pid 5840] <... unlink resumed>) = 0 [pid 6287] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] exit_group(0 [pid 6285] exit_group(0 [pid 5840] umount2("./78/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6285] <... exit_group resumed>) = ? [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6287] <... exit_group resumed>) = ? [pid 6285] +++ exited with 0 +++ [pid 5840] newfstatat(AT_FDCWD, "./78/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./78/cgroup.net") = 0 [pid 5840] umount2("./78/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6287] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./78/cgroup.cpu") = 0 [pid 6289] +++ exited with 0 +++ [pid 5842] --- 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 5840] umount2("./78/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5835] --- 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 5835] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(AT_FDCWD, "./78/cgroup", [pid 5835] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(3, "", [pid 5842] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./78/cgroup" [pid 5839] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] getdents64(3, [pid 5842] <... openat resumed>) = 3 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] newfstatat(3, "", [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(3 [pid 5839] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(3, [pid 5839] newfstatat(3, "", [pid 5835] newfstatat(AT_FDCWD, "./79/binderfs", [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] <... close resumed>) = 0 [pid 5842] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] rmdir("./78" [pid 5842] newfstatat(AT_FDCWD, "./81/binderfs", [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] mkdir("./79", 0777 [pid 5839] getdents64(3, [pid 5835] unlink("./79/binderfs" [pid 5842] unlink("./81/binderfs" [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./81/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./79/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./78/binderfs", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./81/cgroup.net", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./79/cgroup.net", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./78/binderfs" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5835] unlink("./79/cgroup.net" [pid 5839] umount2("./78/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5842] unlink("./81/cgroup.net" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./79/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./78/cgroup.net", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./81/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./79/cgroup.cpu", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./78/cgroup.net" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6290 attached [pid 5842] newfstatat(AT_FDCWD, "./81/cgroup.cpu", [pid 5839] <... unlink resumed>) = 0 [pid 5835] unlink("./79/cgroup.cpu" [pid 6290] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 82 [pid 5839] umount2("./78/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 6290] <... set_robust_list resumed>) = 0 [pid 5842] unlink("./81/cgroup.cpu" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./79/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6290] chdir("./79" [pid 5842] <... unlink resumed>) = 0 [pid 6290] <... chdir resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./78/cgroup.cpu", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] umount2("./81/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./79/cgroup", [pid 6290] <... prctl resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./78/cgroup.cpu" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6290] setpgid(0, 0 [pid 5842] newfstatat(AT_FDCWD, "./81/cgroup", [pid 5839] <... unlink resumed>) = 0 [pid 6290] <... setpgid resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./78/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./79/cgroup" [pid 6290] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6288] <... writev resumed>) = 61440 [pid 5842] unlink("./81/cgroup" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 6290] <... symlink resumed>) = 0 [pid 6288] close(3 [pid 5842] <... unlink resumed>) = 0 [pid 6290] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6288] <... close resumed>) = 0 [pid 5842] getdents64(3, [pid 5839] newfstatat(AT_FDCWD, "./78/cgroup", [pid 5835] getdents64(3, [pid 6290] <... symlink resumed>) = 0 [pid 6290] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6288] close(4 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6290] <... symlink resumed>) = 0 [pid 6288] <... close resumed>) = 0 [pid 5842] close(3 [pid 5839] unlink("./78/cgroup" [pid 6290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6288] close(5 [pid 5842] <... close resumed>) = 0 [pid 5835] close(3 [pid 6290] <... openat resumed>) = 3 [pid 6290] write(3, "1000", 4 [pid 6288] <... close resumed>) = 0 [pid 5842] rmdir("./81" [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 6290] <... write resumed>) = 4 [pid 6288] close(6 [pid 5842] <... rmdir resumed>) = 0 [pid 6290] close(3 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./82", 0777 [pid 5839] getdents64(3, [pid 5835] rmdir("./79" [pid 6290] <... close resumed>) = 0 [pid 6288] close(7 [pid 5842] <... mkdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6290] symlink("/dev/binderfs", "./binderfs" [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] close(3 [pid 6290] <... symlink resumed>) = 0 [pid 6288] close(8 [pid 5839] <... close resumed>) = 0 [pid 5835] mkdir("./80", 0777 [pid 5839] rmdir("./78" [pid 5835] <... mkdir resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 executing program [pid 6290] write(1, "executing program\n", 18 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... write resumed>) = 18 [pid 6288] close(9 [pid 5839] mkdir("./79", 0777 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6288] close(10 [pid 6290] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6291 attached ./strace-static-x86_64: Process 6292 attached [pid 6291] set_robust_list(0x5555617a06a0, 24 [pid 6290] <... socket resumed>) = 3 [pid 6288] close(11 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6292] set_robust_list(0x5555617a06a0, 24 [pid 6291] <... set_robust_list resumed>) = 0 [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] chdir("./80" [pid 6290] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 85 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 83 ./strace-static-x86_64: Process 6293 attached [pid 6292] chdir("./82" [pid 6291] <... chdir resumed>) = 0 [pid 6290] <... sendto resumed>) = 32 [pid 6288] close(12 [pid 6293] set_robust_list(0x5555617a06a0, 24 [pid 6291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6290] recvfrom(3, [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] <... set_robust_list resumed>) = 0 [pid 6292] <... chdir resumed>) = 0 [pid 6291] <... prctl resumed>) = 0 [pid 6290] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=82}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6288] close(13 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 82 [pid 6293] chdir("./79" [pid 6292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6291] setpgid(0, 0 [pid 6290] recvfrom(3, [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] <... chdir resumed>) = 0 [pid 6292] <... prctl resumed>) = 0 [pid 6288] close(14) = -1 EBADF (Bad file descriptor) [pid 6292] setpgid(0, 0 [pid 6291] <... setpgid resumed>) = 0 [pid 6290] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=82}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6288] close(15 [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6292] <... setpgid resumed>) = 0 [pid 6291] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6290] close(3 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] <... prctl resumed>) = 0 [pid 6288] close(16 [pid 6292] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] close(17) = -1 EBADF (Bad file descriptor) [pid 6291] <... symlink resumed>) = 0 [pid 6288] close(18) = -1 EBADF (Bad file descriptor) [pid 6288] close(19 [pid 6290] <... close resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] close(20) = -1 EBADF (Bad file descriptor) [pid 6288] close(21) = -1 EBADF (Bad file descriptor) [pid 6288] close(22 [pid 6292] <... symlink resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6290] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6293] setpgid(0, 0 [pid 6288] close(23 [pid 6292] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] <... setpgid resumed>) = 0 [pid 6288] close(24) = -1 EBADF (Bad file descriptor) [pid 6288] close(25 [pid 6293] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... socket resumed>) = 3 [pid 6288] close(26 [pid 6292] <... symlink resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6288] close(27) = -1 EBADF (Bad file descriptor) [pid 6288] close(28) = -1 EBADF (Bad file descriptor) [pid 6292] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6293] <... symlink resumed>) = 0 [pid 6291] <... symlink resumed>) = 0 [pid 6290] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6288] close(29 [pid 6293] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6292] <... symlink resumed>) = 0 [pid 6290] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6288] exit_group(0 [pid 6291] <... symlink resumed>) = 0 [pid 6288] <... exit_group resumed>) = ? [pid 6293] <... symlink resumed>) = 0 [pid 6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6290] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6293] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6292] <... openat resumed>) = 3 [pid 6291] <... openat resumed>) = 3 [pid 6293] <... symlink resumed>) = 0 [pid 6292] write(3, "1000", 4 [pid 6290] <... sendmsg resumed>) = 44 [pid 6288] +++ exited with 0 +++ [pid 6292] <... write resumed>) = 4 [pid 6292] close(3 [pid 6291] write(3, "1000", 4 [pid 6290] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6292] <... close resumed>) = 0 [pid 6291] <... write resumed>) = 4 [pid 6290] <... openat resumed>) = 4 [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6293] <... openat resumed>) = 3 [pid 6292] symlink("/dev/binderfs", "./binderfs" [pid 6291] close(3executing program [pid 6293] write(3, "1000", 4 [pid 6292] <... symlink resumed>) = 0 [pid 6291] <... close resumed>) = 0 [pid 6290] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6293] <... write resumed>) = 4 [pid 6292] write(1, "executing program\n", 18 [pid 6291] symlink("/dev/binderfs", "./binderfs" [pid 6293] close(3 [pid 6292] <... write resumed>) = 18 [pid 6292] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6291] <... symlink resumed>) = 0 [pid 6293] <... close resumed>) = 0 [pid 6290] <... openat resumed>) = 5 [pid 6293] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6291] write(1, "executing program\n", 18executing program [pid 6293] write(1, "executing program\n", 18 [pid 6292] <... socket resumed>) = 3 [pid 6291] <... write resumed>) = 18 [pid 6290] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6293] <... write resumed>) = 18 [pid 6292] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6293] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6291] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6291] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6291] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=83}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6291] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=83}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6291] close(3) = 0 [pid 6291] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6291] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6291] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6291] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6291] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6292] <... sendto resumed>) = 32 [pid 6291] <... openat resumed>) = 5 [pid 6292] recvfrom(3, [pid 6293] <... socket resumed>) = 3 [pid 6292] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=85}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6291] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6293] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6292] recvfrom(3, [pid 6293] <... sendto resumed>) = 32 [pid 6292] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=85}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6293] recvfrom(3, [pid 6292] close(3 [pid 6293] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=82}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6292] <... close resumed>) = 0 [pid 6293] recvfrom(3, [pid 6292] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6293] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=82}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6293] close(3) = 0 [pid 6293] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6292] <... socket resumed>) = 3 [pid 5838] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6293] <... socket resumed>) = 3 [pid 6292] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5838] newfstatat(AT_FDCWD, "./80/binderfs", [pid 6293] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6292] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6293] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6292] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6293] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6292] <... sendmsg resumed>) = 44 [pid 6290] <... writev resumed>) = 61440 [pid 5838] unlink("./80/binderfs" [pid 6290] close(3 [pid 5838] <... unlink resumed>) = 0 [pid 6290] <... close resumed>) = 0 [pid 6290] close(4 [pid 5838] umount2("./80/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6290] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6292] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6293] <... openat resumed>) = 4 [pid 6290] close(5 [pid 5838] newfstatat(AT_FDCWD, "./80/cgroup.net", [pid 6291] <... writev resumed>) = 61440 [pid 6290] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6292] <... openat resumed>) = 4 [pid 6291] close(3 [pid 6290] close(6 [pid 6293] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6292] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6291] <... close resumed>) = 0 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./80/cgroup.net" [pid 6293] <... openat resumed>) = 5 [pid 6292] <... openat resumed>) = 5 [pid 6291] close(4 [pid 6290] close(7 [pid 5838] <... unlink resumed>) = 0 [pid 6293] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6292] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6291] <... close resumed>) = 0 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(5) = 0 [pid 5838] umount2("./80/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6290] close(8 [pid 6291] close(6 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(7 [pid 6290] close(9 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(8) = -1 EBADF (Bad file descriptor) [pid 6290] close(10 [pid 6291] close(9 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(11 [pid 6291] close(10 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(12 [pid 6291] close(11 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(12 [pid 6290] close(13 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(14 [pid 6291] close(13 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(15) = -1 EBADF (Bad file descriptor) [pid 6291] close(14 [pid 6290] close(16 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(15) = -1 EBADF (Bad file descriptor) [pid 6290] close(17 [pid 6291] close(16 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(17 [pid 6290] close(18 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(18) = -1 EBADF (Bad file descriptor) [pid 6290] close(19 [pid 6291] close(19 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(20 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(20 [pid 6290] close(21 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(21 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(22 [pid 6291] close(22 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(23 [pid 6291] close(23 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(24 [pid 6291] close(24 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(25 [pid 6291] close(25 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(26 [pid 6291] close(26 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(27 [pid 6291] close(27 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(28 [pid 6291] close(28 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(29 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(29) = -1 EBADF (Bad file descriptor) [pid 6291] exit_group(0 [pid 6290] exit_group(0 [pid 6291] <... exit_group resumed>) = ? [pid 6290] <... exit_group resumed>) = ? [pid 6291] +++ exited with 0 +++ [pid 6290] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5840] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./80/cgroup.cpu", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] unlink("./80/cgroup.cpu" [pid 5840] <... openat resumed>) = 3 [pid 5838] <... unlink resumed>) = 0 [pid 5835] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./80/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5835] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... openat resumed>) = 3 [pid 5840] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(3, "", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./80/cgroup", [pid 5840] newfstatat(AT_FDCWD, "./79/binderfs", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6293] <... writev resumed>) = 61440 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./80/cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6293] close(3) = 0 [pid 6292] <... writev resumed>) = 61440 [pid 5840] unlink("./79/binderfs" [pid 5838] <... unlink resumed>) = 0 [pid 5835] getdents64(3, [pid 6293] close(4 [pid 6292] close(3 [pid 5840] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6293] <... close resumed>) = 0 [pid 6292] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6292] close(4 [pid 5840] umount2("./79/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] close(3 [pid 6293] close(5 [pid 6292] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... close resumed>) = 0 [pid 6293] <... close resumed>) = 0 [pid 6292] close(5 [pid 5840] newfstatat(AT_FDCWD, "./79/cgroup.net", [pid 5838] rmdir("./80" [pid 5835] newfstatat(AT_FDCWD, "./80/binderfs", [pid 6293] close(6 [pid 6292] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(6 [pid 5840] unlink("./79/cgroup.net" [pid 5838] <... rmdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6293] close(7 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] mkdir("./81", 0777 [pid 5835] unlink("./80/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(7 [pid 5838] <... mkdir resumed>) = 0 [pid 5840] umount2("./79/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6293] close(8 [pid 6292] close(8 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] umount2("./80/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6293] close(9 [pid 6292] close(9 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./79/cgroup.cpu", [pid 6293] close(10 [pid 6292] close(10 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./80/cgroup.net", ./strace-static-x86_64: Process 6294 attached [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./79/cgroup.cpu" [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 84 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6294] set_robust_list(0x5555617a06a0, 24 [pid 6293] close(11 [pid 6292] close(11 [pid 5840] <... unlink resumed>) = 0 [pid 5835] unlink("./80/cgroup.net" [pid 6294] <... set_robust_list resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./79/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 6294] chdir("./81" [pid 6293] close(12 [pid 6292] close(12 [pid 5840] newfstatat(AT_FDCWD, "./79/cgroup", [pid 5835] umount2("./80/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6294] <... chdir resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] close(13 [pid 6292] close(13 [pid 5840] unlink("./79/cgroup" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] <... prctl resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6293] close(14 [pid 5835] newfstatat(AT_FDCWD, "./80/cgroup.cpu", [pid 6294] setpgid(0, 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(14 [pid 6294] <... setpgid resumed>) = 0 [pid 6293] close(15) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] close(16 [pid 6292] close(15 [pid 5840] getdents64(3, [pid 6294] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6293] close(17 [pid 6292] close(16 [pid 5840] close(3 [pid 5835] unlink("./80/cgroup.cpu" [pid 6294] <... symlink resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 6292] close(17 [pid 6294] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6293] close(18 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... symlink resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(18 [pid 5840] rmdir("./79" [pid 5835] <... unlink resumed>) = 0 [pid 6294] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6293] close(19 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 5835] umount2("./80/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6294] <... symlink resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(19 [pid 5840] mkdir("./80", 0777 [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6293] close(20 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(20 [pid 6293] close(21 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] newfstatat(AT_FDCWD, "./80/cgroup", [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(21 [pid 6294] <... openat resumed>) = 3 [pid 6293] close(22 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6295 attached [pid 6294] write(3, "1000", 4 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(22 [pid 5835] unlink("./80/cgroup" [pid 6295] set_robust_list(0x5555617a06a0, 24 [pid 6294] <... write resumed>) = 4 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... set_robust_list resumed>) = 0 [pid 6294] close(3 [pid 6293] close(23 [pid 6292] close(23 [pid 5835] <... unlink resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = 0 [pid 6293] close(24 [pid 6292] close(24 [pid 5835] getdents64(3, [pid 6294] symlink("/dev/binderfs", "./binderfs" [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6293] close(25 [pid 6292] close(25 [pid 5835] close(3 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] close(26 [pid 5835] <... close resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(26 [pid 6295] chdir("./80"executing program [pid 6293] close(27 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 83 [pid 5835] rmdir("./80" [pid 6295] <... chdir resumed>) = 0 [pid 6294] <... symlink resumed>) = 0 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] close(27 [pid 6295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6294] write(1, "executing program\n", 18 [pid 6293] close(28 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 6295] <... prctl resumed>) = 0 [pid 6292] close(28 [pid 5835] mkdir("./81", 0777 [pid 6295] setpgid(0, 0 [pid 6294] <... write resumed>) = 18 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... setpgid resumed>) = 0 [pid 6294] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6293] close(29 [pid 6292] close(29 [pid 5835] <... mkdir resumed>) = 0 [pid 6295] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6294] <... socket resumed>) = 3 [pid 6292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... symlink resumed>) = 0 [pid 6294] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6295] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6294] <... sendto resumed>) = 32 [pid 6293] exit_group(0 [pid 6292] exit_group(0 [pid 6295] <... symlink resumed>) = 0 [pid 6293] <... exit_group resumed>) = ? [pid 6292] <... exit_group resumed>) = ? [pid 6294] recvfrom(3, ./strace-static-x86_64: Process 6296 attached [pid 6296] set_robust_list(0x5555617a06a0, 24) = 0 [pid 6293] +++ exited with 0 +++ [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 84 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 6296] chdir("./81" [pid 6295] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6294] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=84}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6292] +++ exited with 0 +++ [pid 5839] <... restart_syscall resumed>) = 0 [pid 6296] <... chdir resumed>) = 0 [pid 6295] <... symlink resumed>) = 0 [pid 6294] recvfrom(3, [pid 6296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6294] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=84}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6296] <... prctl resumed>) = 0 [pid 6295] <... openat resumed>) = 3 [pid 6294] close(3 [pid 6296] setpgid(0, 0 [pid 6295] write(3, "1000", 4 [pid 6294] <... close resumed>) = 0 [pid 6294] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6296] <... setpgid resumed>) = 0 [pid 6295] <... write resumed>) = 4 [pid 6294] <... socket resumed>) = 3 [pid 6296] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6295] close(3 [pid 6294] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] <... symlink resumed>) = 0 [pid 6295] <... close resumed>) = 0 [pid 6294] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6296] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6295] symlink("/dev/binderfs", "./binderfs" [pid 6294] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... symlink resumed>) = 0 [pid 6294] <... sendmsg resumed>) = 44 [pid 6296] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6295] <... symlink resumed>) = 0 [pid 6294] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 5839] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] <... symlink resumed>) = 0 [pid 6295] write(1, "executing program\n", 18 [pid 6294] <... openat resumed>) = 4 [pid 5842] <... openat resumed>) = 3 [pid 6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6295] <... write resumed>) = 18 [pid 6294] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... openat resumed>) = 3 [pid 6294] <... openat resumed>) = 5 [pid 6295] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6296] write(3, "1000", 4 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6294] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5839] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6296] <... write resumed>) = 4 [pid 6295] <... socket resumed>) = 3 [pid 5842] getdents64(3, [pid 6296] close(3 [pid 5839] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6296] <... close resumed>) = 0 [pid 6295] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6296] symlink("/dev/binderfs", "./binderfs" [pid 6295] <... sendto resumed>) = 32 [pid 5842] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./79/binderfs" [pid 6296] <... symlink resumed>) = 0 [pid 6295] recvfrom(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 6295] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=83}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] newfstatat(AT_FDCWD, "./82/binderfs", [pid 5839] umount2("./79/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6295] recvfrom(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6295] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=83}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] unlink("./82/binderfs" [pid 5839] newfstatat(AT_FDCWD, "./79/cgroup.net", [pid 6295] close(3executing program [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6296] write(1, "executing program\n", 18) = 18 [pid 6295] <... close resumed>) = 0 [pid 5842] umount2("./82/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./79/cgroup.net" [pid 6296] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6295] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 6296] <... socket resumed>) = 3 [pid 6295] <... socket resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./82/cgroup.net", [pid 5839] umount2("./79/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6295] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... sendto resumed>) = 32 [pid 6295] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6296] recvfrom(3, [pid 6295] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] unlink("./82/cgroup.net" [pid 5839] newfstatat(AT_FDCWD, "./79/cgroup.cpu", [pid 6296] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=84}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6295] <... sendmsg resumed>) = 44 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6296] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=84}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5839] unlink("./79/cgroup.cpu" [pid 6296] close(3 [pid 6295] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] umount2("./82/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] <... close resumed>) = 0 [pid 6295] <... openat resumed>) = 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 6296] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6295] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] newfstatat(AT_FDCWD, "./82/cgroup.cpu", [pid 6296] <... socket resumed>) = 3 [pid 6295] <... openat resumed>) = 5 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./79/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6296] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6295] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] unlink("./82/cgroup.cpu" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./79/cgroup", [pid 6296] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] umount2("./82/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6296] <... sendmsg resumed>) = 44 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./79/cgroup" [pid 6296] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] newfstatat(AT_FDCWD, "./82/cgroup", [pid 5839] <... unlink resumed>) = 0 [pid 6296] <... openat resumed>) = 4 [pid 6296] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 6296] <... openat resumed>) = 5 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] unlink("./82/cgroup" [pid 5839] close(3 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./79" [pid 5842] getdents64(3, [pid 5839] <... rmdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] mkdir("./80", 0777 [pid 5842] close(3 [pid 5839] <... mkdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] rmdir("./82") = 0 [pid 5842] mkdir("./83", 0777 [pid 6296] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] <... mkdir resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6298 attached ./strace-static-x86_64: Process 6297 attached [pid 6297] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 83 [pid 6298] set_robust_list(0x5555617a06a0, 24 [pid 6297] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 86 [pid 6297] chdir("./80" [pid 6298] <... set_robust_list resumed>) = 0 [pid 6298] chdir("./83" [pid 6297] <... chdir resumed>) = 0 [pid 6297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6298] <... chdir resumed>) = 0 [pid 6297] setpgid(0, 0 [pid 6294] <... writev resumed>) = 61440 [pid 6297] <... setpgid resumed>) = 0 [pid 6297] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6294] close(3 [pid 6298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6297] <... symlink resumed>) = 0 [pid 6294] <... close resumed>) = 0 [pid 6298] <... prctl resumed>) = 0 [pid 6294] close(4 [pid 6298] setpgid(0, 0 [pid 6297] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6294] <... close resumed>) = 0 [pid 6298] <... setpgid resumed>) = 0 [pid 6297] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6298] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6297] <... symlink resumed>) = 0 [pid 6298] <... symlink resumed>) = 0 [pid 6297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6294] close(5 [pid 6298] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6297] <... openat resumed>) = 3 [pid 6294] <... close resumed>) = 0 [pid 6298] <... symlink resumed>) = 0 [pid 6298] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6297] write(3, "1000", 4 [pid 6294] close(6 [pid 6298] <... symlink resumed>) = 0 [pid 6297] <... write resumed>) = 4 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6297] close(3 [pid 6294] close(7 [pid 6298] <... openat resumed>) = 3 [pid 6297] <... close resumed>) = 0 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6294] close(8 [pid 6298] write(3, "1000", 4 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... write resumed>) = 4 executing program [pid 6298] close(3 [pid 6297] write(1, "executing program\n", 18 [pid 6294] close(9 [pid 6298] <... close resumed>) = 0 [pid 6297] <... write resumed>) = 18 [pid 6298] symlink("/dev/binderfs", "./binderfs" [pid 6297] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... symlink resumed>) = 0 [pid 6297] <... socket resumed>) = 3 executing program [pid 6295] <... writev resumed>) = 61440 [pid 6294] close(10 [pid 6298] write(1, "executing program\n", 18 [pid 6297] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6295] close(3 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... write resumed>) = 18 [pid 6297] <... sendto resumed>) = 32 [pid 6295] <... close resumed>) = 0 [pid 6294] close(11 [pid 6298] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6297] recvfrom(3, [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... socket resumed>) = 3 [pid 6297] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=83}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6294] close(12 [pid 6298] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6297] recvfrom(3, [pid 6295] close(4 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... sendto resumed>) = 32 [pid 6297] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=83}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6295] <... close resumed>) = 0 [pid 6294] close(13 [pid 6298] recvfrom(3, [pid 6297] close(3 [pid 6295] close(5 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=86}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6297] <... close resumed>) = 0 [pid 6295] <... close resumed>) = 0 [pid 6294] close(14 [pid 6298] recvfrom(3, [pid 6297] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6295] close(6 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=86}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6297] <... socket resumed>) = 3 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(15 [pid 6298] close(3 [pid 6297] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6295] close(7 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... close resumed>) = 0 [pid 6297] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(16 [pid 6298] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6297] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6295] close(8 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... socket resumed>) = 3 [pid 6297] <... sendmsg resumed>) = 44 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(17 [pid 6295] close(9 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(18 [pid 6297] <... openat resumed>) = 4 [pid 6295] close(10 [pid 6298] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6297] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6295] close(11 [pid 6294] close(19 [pid 6298] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6297] <... openat resumed>) = 5 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... sendmsg resumed>) = 44 [pid 6297] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6295] close(12) = -1 EBADF (Bad file descriptor) [pid 6294] close(20 [pid 6298] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6295] close(13 [pid 6298] <... openat resumed>) = 4 [pid 6296] <... writev resumed>) = 61440 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] close(3) = 0 [pid 6296] close(4) = 0 [pid 6296] close(5) = 0 [pid 6296] close(6) = -1 EBADF (Bad file descriptor) [pid 6296] close(7) = -1 EBADF (Bad file descriptor) [pid 6296] close(8 [pid 6295] close(14 [pid 6294] close(21 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] close(9 [pid 6294] close(22 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] close(10) = -1 EBADF (Bad file descriptor) [pid 6296] close(11) = -1 EBADF (Bad file descriptor) [pid 6296] close(12) = -1 EBADF (Bad file descriptor) [pid 6296] close(13) = -1 EBADF (Bad file descriptor) [pid 6296] close(14) = -1 EBADF (Bad file descriptor) [pid 6296] close(15) = -1 EBADF (Bad file descriptor) [pid 6296] close(16) = -1 EBADF (Bad file descriptor) [pid 6296] close(17) = -1 EBADF (Bad file descriptor) [pid 6296] close(18) = -1 EBADF (Bad file descriptor) [pid 6296] close(19) = -1 EBADF (Bad file descriptor) [pid 6296] close(20) = -1 EBADF (Bad file descriptor) [pid 6296] close(21) = -1 EBADF (Bad file descriptor) [pid 6296] close(22) = -1 EBADF (Bad file descriptor) [pid 6296] close(23) = -1 EBADF (Bad file descriptor) [pid 6296] close(24) = -1 EBADF (Bad file descriptor) [pid 6296] close(25) = -1 EBADF (Bad file descriptor) [pid 6296] close(26) = -1 EBADF (Bad file descriptor) [pid 6296] close(27) = -1 EBADF (Bad file descriptor) [pid 6296] close(28) = -1 EBADF (Bad file descriptor) [pid 6296] close(29) = -1 EBADF (Bad file descriptor) [pid 6296] exit_group(0 [pid 6298] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6295] close(15 [pid 6298] <... openat resumed>) = 5 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(16) = -1 EBADF (Bad file descriptor) [pid 6298] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6295] close(17 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(23) = -1 EBADF (Bad file descriptor) [pid 6296] <... exit_group resumed>) = ? [pid 6295] close(18 [pid 6294] close(24 [pid 6296] +++ exited with 0 +++ [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(19 [pid 6294] close(25 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6295] close(20 [pid 6294] close(26 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(21 [pid 6294] close(27 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(22 [pid 6294] close(28 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(23 [pid 6294] close(29 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(24 [pid 6297] <... writev resumed>) = 61440 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] exit_group(0 [pid 6297] close(3 [pid 6295] close(25 [pid 6294] <... exit_group resumed>) = ? [pid 6297] <... close resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] +++ exited with 0 +++ [pid 6297] close(4 [pid 6295] close(26) = -1 EBADF (Bad file descriptor) [pid 6295] close(27 [pid 6297] <... close resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(5 [pid 6295] close(28 [pid 6297] <... close resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5838] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6297] close(6 [pid 6295] close(29 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6297] close(7 [pid 6295] exit_group(0 [pid 5838] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", [pid 5835] newfstatat(3, "", [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... exit_group resumed>) = ? [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6295] +++ exited with 0 +++ [pid 6297] close(8) = -1 EBADF (Bad file descriptor) [pid 6297] close(9) = -1 EBADF (Bad file descriptor) [pid 6297] close(10 [pid 6298] <... writev resumed>) = 61440 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6297] close(11 [pid 6298] close(3 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6298] <... close resumed>) = 0 [pid 6297] close(12 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] close(4 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6297] close(13 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./81/binderfs", [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6297] close(14 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./81/binderfs" [pid 6298] <... close resumed>) = 0 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./81/binderfs", [pid 6298] close(5 [pid 6297] close(15 [pid 5840] <... openat resumed>) = 3 [pid 5838] umount2("./81/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... close resumed>) = 0 [pid 6297] close(16 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] newfstatat(AT_FDCWD, "./81/cgroup.net", [pid 6298] close(6 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(17 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] unlink("./81/cgroup.net" [pid 6298] close(7 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5835] unlink("./81/binderfs" [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./81/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] close(8 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./80/binderfs", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./81/cgroup.cpu", [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(19 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6298] close(9 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./80/binderfs" [pid 5838] unlink("./81/cgroup.cpu" [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(20 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] umount2("./81/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] close(10 [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./80/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./81/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] close(21 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] close(11 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./81/cgroup.net", [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./80/cgroup.net", [pid 6298] close(12 [pid 6297] close(22 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./81/cgroup", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./80/cgroup.net" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] close(13 [pid 6297] close(23 [pid 5838] unlink("./81/cgroup" [pid 5835] unlink("./81/cgroup.net" [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6298] close(14 [pid 6297] close(24 [pid 5840] umount2("./80/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./81/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] close(15 [pid 6297] close(25 [pid 5840] newfstatat(AT_FDCWD, "./80/cgroup.cpu", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] close(16 [pid 6297] close(26 [pid 5840] unlink("./80/cgroup.cpu" [pid 5835] newfstatat(AT_FDCWD, "./81/cgroup.cpu", [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6298] close(17 [pid 6297] close(27 [pid 5840] umount2("./80/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] unlink("./81/cgroup.cpu" [pid 6298] close(18 [pid 6297] close(28 [pid 5840] newfstatat(AT_FDCWD, "./80/cgroup", [pid 5838] getdents64(3, [pid 5835] <... unlink resumed>) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] umount2("./81/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6298] close(19 [pid 6297] close(29 [pid 5840] unlink("./80/cgroup" [pid 5838] close(3 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] close(20 [pid 5840] <... unlink resumed>) = 0 [pid 5838] rmdir("./81" [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] exit_group(0 [pid 5840] getdents64(3, [pid 5838] <... rmdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./81/cgroup", [pid 6298] close(21 [pid 6297] <... exit_group resumed>) = ? [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] mkdir("./82", 0777 [pid 5840] close(3 [pid 5838] <... mkdir resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] +++ exited with 0 +++ [pid 5840] rmdir("./80" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6299 attached [pid 6298] close(22 [pid 5840] <... rmdir resumed>) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 85 [pid 6299] set_robust_list(0x5555617a06a0, 24 [pid 6298] close(23 [pid 5840] mkdir("./81", 0777 [pid 5835] unlink("./81/cgroup" [pid 6299] <... set_robust_list resumed>) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... unlink resumed>) = 0 [pid 6298] close(24 [pid 6299] chdir("./82" [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6298] close(25 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] close(3 [pid 6298] close(26) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... close resumed>) = 0 [pid 6298] close(27 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... chdir resumed>) = 0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] rmdir("./81" [pid 6299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6298] close(28 [pid 5839] <... openat resumed>) = 3 [pid 5839] newfstatat(3, "", [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 6299] <... prctl resumed>) = 0 [pid 6298] close(29 [pid 5839] getdents64(3, [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6298] exit_group(0 [pid 5839] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] mkdir("./82", 0777 [pid 6299] setpgid(0, 0 [pid 6298] <... exit_group resumed>) = ? [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./80/binderfs") = 0 [pid 5839] umount2("./80/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6300 attached [pid 6299] <... setpgid resumed>) = 0 [pid 6298] +++ exited with 0 +++ [pid 5835] <... mkdir resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6300] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 84 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6300] <... set_robust_list resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./80/cgroup.net", [pid 6299] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6301 attached [pid 6300] chdir("./81" [pid 6299] <... symlink resumed>) = 0 [pid 5842] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6301] set_robust_list(0x5555617a06a0, 24 [pid 6300] <... chdir resumed>) = 0 [pid 6299] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 85 [pid 6301] <... set_robust_list resumed>) = 0 [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6299] <... symlink resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] unlink("./80/cgroup.net" [pid 6301] chdir("./82" [pid 6300] <... prctl resumed>) = 0 [pid 6299] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5842] <... openat resumed>) = 3 [pid 5839] <... unlink resumed>) = 0 [pid 6301] <... chdir resumed>) = 0 [pid 6300] setpgid(0, 0 [pid 6299] <... symlink resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 5839] umount2("./80/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6300] <... setpgid resumed>) = 0 [pid 6299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] <... prctl resumed>) = 0 [pid 6300] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6301] setpgid(0, 0 [pid 6299] <... openat resumed>) = 3 [pid 5842] getdents64(3, [pid 5839] newfstatat(AT_FDCWD, "./80/cgroup.cpu", [pid 6301] <... setpgid resumed>) = 0 [pid 6300] <... symlink resumed>) = 0 [pid 6299] write(3, "1000", 4 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6301] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6300] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5842] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./80/cgroup.cpu" [pid 6301] <... symlink resumed>) = 0 [pid 6300] <... symlink resumed>) = 0 [pid 6301] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6299] <... write resumed>) = 4 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] <... symlink resumed>) = 0 [pid 6300] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6299] close(3 [pid 5839] <... unlink resumed>) = 0 [pid 6301] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6300] <... symlink resumed>) = 0 [pid 6299] <... close resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./83/binderfs", [pid 5839] umount2("./80/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6301] <... symlink resumed>) = 0 [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6299] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6300] <... openat resumed>) = 3 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] <... openat resumed>) = 3 executing program [pid 6300] write(3, "1000", 4 [pid 6299] <... symlink resumed>) = 0 [pid 5842] unlink("./83/binderfs" [pid 5839] newfstatat(AT_FDCWD, "./80/cgroup", [pid 6301] write(3, "1000", 4 [pid 6300] <... write resumed>) = 4 [pid 6299] write(1, "executing program\n", 18 [pid 5842] <... unlink resumed>) = 0 [pid 6301] <... write resumed>) = 4 [pid 6300] close(3 [pid 6299] <... write resumed>) = 18 [pid 5842] umount2("./83/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6301] close(3 [pid 6300] <... close resumed>) = 0 [pid 6299] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./80/cgroup" [pid 6301] <... close resumed>) = 0 [pid 6300] symlink("/dev/binderfs", "./binderfs" [pid 6299] <... socket resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./83/cgroup.net", [pid 5839] <... unlink resumed>) = 0 [pid 6301] symlink("/dev/binderfs", "./binderfs" [pid 6300] <... symlink resumed>) = 0 [pid 5839] getdents64(3, executing program [pid 6301] <... symlink resumed>) = 0 [pid 6300] write(1, "executing program\n", 18 [pid 6299] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6301] write(1, "executing program\n", 18 [pid 6300] <... write resumed>) = 18 executing program [pid 6299] <... sendto resumed>) = 32 [pid 5842] unlink("./83/cgroup.net" [pid 6301] <... write resumed>) = 18 [pid 6300] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6299] recvfrom(3, [pid 5839] close(3 [pid 6300] <... socket resumed>) = 3 [pid 6300] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6299] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=85}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 6301] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6300] <... sendto resumed>) = 32 [pid 6299] recvfrom(3, [pid 5842] umount2("./83/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./80" [pid 6300] recvfrom(3, [pid 6299] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=85}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] <... socket resumed>) = 3 [pid 6300] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=84}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6299] close(3 [pid 5842] newfstatat(AT_FDCWD, "./83/cgroup.cpu", [pid 5839] <... rmdir resumed>) = 0 [pid 6301] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6300] recvfrom(3, [pid 6299] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] mkdir("./81", 0777 [pid 6301] <... sendto resumed>) = 32 [pid 6300] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=84}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6299] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] unlink("./83/cgroup.cpu" [pid 6300] close(3 [pid 5842] <... unlink resumed>) = 0 [pid 6301] recvfrom(3, [pid 6300] <... close resumed>) = 0 [pid 6299] <... socket resumed>) = 3 [pid 6301] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=85}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6300] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6299] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] umount2("./83/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6301] recvfrom(3, [pid 6300] <... socket resumed>) = 3 [pid 6299] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... mkdir resumed>) = 0 [pid 6301] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=85}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6300] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6299] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] newfstatat(AT_FDCWD, "./83/cgroup", [pid 6301] close(3 [pid 6300] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6300] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6299] <... sendmsg resumed>) = 44 [pid 5842] unlink("./83/cgroup" [pid 6301] <... close resumed>) = 0 [pid 6300] <... sendmsg resumed>) = 44 [pid 5842] <... unlink resumed>) = 0 [pid 6300] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6299] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6300] <... openat resumed>) = 4 [pid 5842] getdents64(3, [pid 6299] <... openat resumed>) = 4 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6301] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6299] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME./strace-static-x86_64: Process 6302 attached [pid 6301] <... socket resumed>) = 3 [pid 6300] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6299] <... openat resumed>) = 5 [pid 5842] close(3 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 84 [pid 6301] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6300] <... openat resumed>) = 5 [pid 5842] <... close resumed>) = 0 [pid 6302] set_robust_list(0x5555617a06a0, 24 [pid 6301] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6300] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6299] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] rmdir("./83" [pid 6302] <... set_robust_list resumed>) = 0 [pid 6301] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... rmdir resumed>) = 0 [pid 6302] chdir("./81" [pid 6301] <... sendmsg resumed>) = 44 [pid 5842] mkdir("./84", 0777) = 0 [pid 6302] <... chdir resumed>) = 0 [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6302] setpgid(0, 0) = 0 [pid 6302] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6301] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6301] <... openat resumed>) = 4 [pid 6302] <... symlink resumed>) = 0 [pid 6301] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6302] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6301] <... openat resumed>) = 5 [pid 6302] <... symlink resumed>) = 0 [pid 6301] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6302] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 ./strace-static-x86_64: Process 6303 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 87 [pid 6303] set_robust_list(0x5555617a06a0, 24 [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] <... openat resumed>) = 3 [pid 6303] chdir("./84" [pid 6302] write(3, "1000", 4 [pid 6303] <... chdir resumed>) = 0 [pid 6302] <... write resumed>) = 4 [pid 6303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6302] close(3 [pid 6303] <... prctl resumed>) = 0 [pid 6301] <... writev resumed>) = 61440 [pid 6303] setpgid(0, 0 [pid 6302] <... close resumed>) = 0 [pid 6301] close(3 [pid 6303] <... setpgid resumed>) = 0 [pid 6302] symlink("/dev/binderfs", "./binderfs" [pid 6303] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6302] <... symlink resumed>) = 0 [pid 6303] <... symlink resumed>) = 0 [pid 6303] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6303] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6302] write(1, "executing program\n", 18 [pid 6303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] <... close resumed>) = 0 executing program [pid 6303] <... openat resumed>) = 3 [pid 6301] close(4 [pid 6302] <... write resumed>) = 18 [pid 6301] <... close resumed>) = 0 [pid 6303] write(3, "1000", 4 [pid 6302] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6303] <... write resumed>) = 4 [pid 6303] close(3 [pid 6302] <... socket resumed>) = 3 [pid 6300] <... writev resumed>) = 61440 [pid 6303] <... close resumed>) = 0 [pid 6300] close(3 [pid 6303] symlink("/dev/binderfs", "./binderfs" [pid 6302] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6300] <... close resumed>) = 0 [pid 6303] <... symlink resumed>) = 0 [pid 6302] <... sendto resumed>) = 32 executing program [pid 6300] close(4 [pid 6303] write(1, "executing program\n", 18) = 18 [pid 6302] recvfrom(3, [pid 6303] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6300] <... close resumed>) = 0 [pid 6303] <... socket resumed>) = 3 [pid 6302] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=84}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6303] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6300] close(5 [pid 6303] <... sendto resumed>) = 32 [pid 6302] recvfrom(3, [pid 6300] <... close resumed>) = 0 [pid 6303] recvfrom(3, [pid 6302] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=84}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6303] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=87}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6302] close(3 [pid 6300] close(6 [pid 6303] recvfrom(3, [pid 6302] <... close resumed>) = 0 [pid 6301] close(5 [pid 6303] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=87}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6302] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6301] <... close resumed>) = 0 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(3 [pid 6302] <... socket resumed>) = 3 [pid 6301] close(6 [pid 6300] close(7 [pid 6303] <... close resumed>) = 0 [pid 6303] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6302] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... socket resumed>) = 3 [pid 6303] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6302] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6301] close(7 [pid 6300] close(8 [pid 6299] <... writev resumed>) = 61440 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(3 [pid 6302] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6301] close(8 [pid 6303] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(9) = -1 EBADF (Bad file descriptor) [pid 6303] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6301] close(10 [pid 6300] close(9 [pid 6299] <... close resumed>) = 0 [pid 6302] <... sendmsg resumed>) = 44 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... sendmsg resumed>) = 44 [pid 6300] close(10 [pid 6302] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(4 [pid 6303] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6301] close(11 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(11 [pid 6301] close(12 [pid 6302] <... openat resumed>) = 4 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = 0 [pid 6303] <... openat resumed>) = 4 [pid 6301] close(13 [pid 6300] close(12 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(5 [pid 6303] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6301] close(14 [pid 6300] close(13 [pid 6302] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6299] <... close resumed>) = 0 [pid 6303] <... openat resumed>) = 5 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6302] <... openat resumed>) = 5 [pid 6301] close(15 [pid 6300] close(14 [pid 6299] close(6 [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 6301] close(16 [pid 6300] close(15 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(7 [pid 6301] close(17 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(16 [pid 6299] close(8 [pid 6301] close(18 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(17 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(19 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(18) = -1 EBADF (Bad file descriptor) [pid 6300] close(19) = -1 EBADF (Bad file descriptor) [pid 6300] close(20) = -1 EBADF (Bad file descriptor) [pid 6300] close(21) = -1 EBADF (Bad file descriptor) [pid 6299] close(9 [pid 6300] close(22) = -1 EBADF (Bad file descriptor) [pid 6300] close(23) = -1 EBADF (Bad file descriptor) [pid 6300] close(24 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(10 [pid 6300] close(25 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(11 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(26) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(27 [pid 6299] close(12) = -1 EBADF (Bad file descriptor) [pid 6299] close(13 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(28 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(14 [pid 6300] close(29) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] exit_group(0 [pid 6299] close(15 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... exit_group resumed>) = ? [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(16 [pid 6300] +++ exited with 0 +++ [pid 6301] close(20 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(21 [pid 6299] close(17 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(18 [pid 6301] close(22 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(19) = -1 EBADF (Bad file descriptor) [pid 6299] close(20 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(23 [pid 6299] close(21 [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] close(24 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(22 [pid 6301] close(25 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(23 [pid 6301] close(26 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(24 [pid 6301] close(27 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(25 [pid 6301] close(28 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(26 [pid 6301] close(29 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] close(27 [pid 6301] exit_group(0 [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6301] <... exit_group resumed>) = ? [pid 6299] close(28 [pid 5840] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6299] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6299] close(29) = -1 EBADF (Bad file descriptor) [pid 6299] exit_group(0 [pid 5840] <... openat resumed>) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6299] <... exit_group resumed>) = ? [pid 5840] getdents64(3, [pid 6299] +++ exited with 0 +++ [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6301] +++ exited with 0 +++ [pid 5840] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./81/binderfs", [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./81/binderfs") = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5840] umount2("./81/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./81/cgroup.net" [pid 5838] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./81/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5835] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(3, "", [pid 5838] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(AT_FDCWD, "./81/cgroup.cpu", [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(3, [pid 5840] unlink("./81/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./82/binderfs", [pid 5835] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./81/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./82/binderfs" [pid 5835] newfstatat(AT_FDCWD, "./82/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./81/cgroup", [pid 5838] umount2("./82/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./81/cgroup" [pid 5835] unlink("./82/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 5838] newfstatat(AT_FDCWD, "./82/cgroup.net", [pid 5835] umount2("./82/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./82/cgroup.net" [pid 5835] newfstatat(AT_FDCWD, "./82/cgroup.net", [pid 5838] <... unlink resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(3) = 0 [pid 5835] unlink("./82/cgroup.net" [pid 5838] umount2("./82/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5840] rmdir("./81" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./82/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... rmdir resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./82/cgroup.cpu", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] mkdir("./82", 0777 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./82/cgroup.cpu", [pid 5840] <... mkdir resumed>) = 0 [pid 5838] unlink("./82/cgroup.cpu" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] unlink("./82/cgroup.cpu" [pid 5838] umount2("./82/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] umount2("./82/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./82/cgroup", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./82/cgroup", [pid 5838] unlink("./82/cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5835] unlink("./82/cgroup") = 0 [pid 5838] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] getdents64(3, [pid 5838] close(3 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... close resumed>) = 0 [pid 5835] close(3 [pid 5838] rmdir("./82" [pid 5835] <... close resumed>) = 0 ./strace-static-x86_64: Process 6304 attached [pid 5838] <... rmdir resumed>) = 0 [pid 6304] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 85 [pid 5835] rmdir("./82" [pid 6304] <... set_robust_list resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5838] mkdir("./83", 0777) = 0 [pid 5835] mkdir("./83", 0777 [pid 6304] chdir("./82" [pid 5835] <... mkdir resumed>) = 0 [pid 6304] <... chdir resumed>) = 0 [pid 6304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6304] <... prctl resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6304] setpgid(0, 0) = 0 [pid 6304] symlink("/syzcgroup/unified/syz3", "./cgroup"./strace-static-x86_64: Process 6306 attached ./strace-static-x86_64: Process 6305 attached ) = 0 [pid 6305] set_robust_list(0x5555617a06a0, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 86 [pid 6305] <... set_robust_list resumed>) = 0 [pid 6304] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6306] set_robust_list(0x5555617a06a0, 24 [pid 6305] chdir("./83" [pid 6304] <... symlink resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 86 [pid 6306] <... set_robust_list resumed>) = 0 [pid 6305] <... chdir resumed>) = 0 [pid 6304] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6306] chdir("./83" [pid 6305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6304] <... symlink resumed>) = 0 [pid 6306] <... chdir resumed>) = 0 [pid 6305] <... prctl resumed>) = 0 [pid 6304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6305] setpgid(0, 0) = 0 [pid 6304] <... openat resumed>) = 3 [pid 6306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6306] setpgid(0, 0 [pid 6305] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6304] write(3, "1000", 4 [pid 6306] <... setpgid resumed>) = 0 [pid 6305] <... symlink resumed>) = 0 [pid 6306] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6305] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6304] <... write resumed>) = 4 [pid 6306] <... symlink resumed>) = 0 [pid 6305] <... symlink resumed>) = 0 [pid 6304] close(3 [pid 6306] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6304] <... close resumed>) = 0 [pid 6306] <... symlink resumed>) = 0 [pid 6305] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6304] symlink("/dev/binderfs", "./binderfs" [pid 6306] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6305] <... symlink resumed>) = 0 [pid 6304] <... symlink resumed>) = 0 [pid 6306] <... symlink resumed>) = 0 [pid 6305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6304] write(1, "executing program\n", 18executing program [pid 6306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6305] <... openat resumed>) = 3 [pid 6304] <... write resumed>) = 18 [pid 6306] <... openat resumed>) = 3 [pid 6304] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6306] write(3, "1000", 4 [pid 6305] write(3, "1000", 4 [pid 6304] <... socket resumed>) = 3 [pid 6306] <... write resumed>) = 4 [pid 6305] <... write resumed>) = 4 [pid 6306] close(3 [pid 6305] close(3 [pid 6304] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6306] <... close resumed>) = 0 [pid 6305] <... close resumed>) = 0 [pid 6304] <... sendto resumed>) = 32 [pid 6306] symlink("/dev/binderfs", "./binderfs" [pid 6305] symlink("/dev/binderfs", "./binderfs" [pid 6304] recvfrom(3, [pid 6306] <... symlink resumed>) = 0 [pid 6305] <... symlink resumed>) = 0 [pid 6304] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=85}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 executing program executing program [pid 6306] write(1, "executing program\n", 18 [pid 6305] write(1, "executing program\n", 18 [pid 6304] recvfrom(3, [pid 6306] <... write resumed>) = 18 [pid 6305] <... write resumed>) = 18 [pid 6304] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=85}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6306] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6305] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6304] close(3 [pid 6306] <... socket resumed>) = 3 [pid 6304] <... close resumed>) = 0 [pid 6306] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6305] <... socket resumed>) = 3 [pid 6304] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6306] recvfrom(3, [pid 6305] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6304] <... socket resumed>) = 3 [pid 6306] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=86}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6305] <... sendto resumed>) = 32 [pid 6304] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6306] recvfrom(3, [pid 6305] recvfrom(3, [pid 6304] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6306] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=86}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6305] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=86}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6304] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6306] close(3 [pid 6305] recvfrom(3, [pid 6304] <... sendmsg resumed>) = 44 [pid 6306] <... close resumed>) = 0 [pid 6305] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=86}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6304] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6306] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6305] close(3 [pid 6304] <... openat resumed>) = 4 [pid 6305] <... close resumed>) = 0 [pid 6306] <... socket resumed>) = 3 [pid 6304] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6306] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6305] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6306] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6305] <... socket resumed>) = 3 [pid 6304] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6306] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6305] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6306] <... sendmsg resumed>) = 44 [pid 6306] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6305] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6306] <... openat resumed>) = 4 [pid 6306] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6305] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6306] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6302] <... writev resumed>) = 61440 [pid 6302] close(3 [pid 6305] <... sendmsg resumed>) = 44 [pid 6302] <... close resumed>) = 0 [pid 6303] <... writev resumed>) = 61440 [pid 6302] close(4 [pid 6305] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6303] close(3 [pid 6302] <... close resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 6305] <... openat resumed>) = 4 [pid 6303] close(4 [pid 6305] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6303] <... close resumed>) = 0 [pid 6302] close(5 [pid 6305] <... openat resumed>) = 5 [pid 6303] close(5 [pid 6302] <... close resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 6305] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6302] close(6) = -1 EBADF (Bad file descriptor) [pid 6302] close(7 [pid 6303] close(6) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(7 [pid 6302] close(8 [pid 6304] <... writev resumed>) = 61440 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(9 [pid 6303] close(8 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(10 [pid 6304] close(3 [pid 6303] close(9 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(11 [pid 6304] close(4 [pid 6303] close(10 [pid 6304] <... close resumed>) = 0 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(5 [pid 6302] close(12 [pid 6304] <... close resumed>) = 0 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(6 [pid 6302] close(13 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(11 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(7 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(14 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(8 [pid 6303] close(12 [pid 6302] close(15 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(9 [pid 6303] close(13 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(10) = -1 EBADF (Bad file descriptor) [pid 6303] close(14 [pid 6302] close(16 [pid 6304] close(11 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(15 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(17) = -1 EBADF (Bad file descriptor) [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(18 [pid 6303] close(16 [pid 6304] close(12 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(17 [pid 6302] close(19 [pid 6304] close(13 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(18 [pid 6302] close(20 [pid 6304] close(14 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(19 [pid 6302] close(21 [pid 6304] close(15 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(20 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(16 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(22 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(21 [pid 6304] close(17 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(22 [pid 6304] close(18 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(23 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(23 [pid 6304] close(19 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(24 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(20 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(24 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(21 [pid 6303] close(25 [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(22) = -1 EBADF (Bad file descriptor) [pid 6304] close(23 [pid 6303] close(26 [pid 6302] close(25 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(24 [pid 6303] close(27 [pid 6302] close(26 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(28 [pid 6302] close(27 [pid 6304] close(25 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] close(29 [pid 6304] close(26 [pid 6303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] close(28 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] exit_group(0 [pid 6304] close(27 [pid 6303] <... exit_group resumed>) = ? [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] +++ exited with 0 +++ [pid 6302] close(29 [pid 6304] close(28) = -1 EBADF (Bad file descriptor) [pid 6304] close(29) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] exit_group(0 [pid 6302] exit_group(0 [pid 6304] <... exit_group resumed>) = ? [pid 6302] <... exit_group resumed>) = ? [pid 6304] +++ exited with 0 +++ [pid 6302] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5842] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5839] --- 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 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./84/binderfs", [pid 5840] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./84/binderfs" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] umount2("./84/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./84/cgroup.net", [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(3, [pid 5842] unlink("./84/cgroup.net" [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./84/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./84/cgroup.cpu", [pid 5840] unlink("./82/binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./84/cgroup.cpu" [pid 5840] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./82/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./84/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./82/cgroup.net", [pid 5839] <... openat resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./84/cgroup", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(3, "", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./82/cgroup.net" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 5842] unlink("./84/cgroup" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] <... unlink resumed>) = 0 [pid 5842] getdents64(3, [pid 5839] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 5840] umount2("./82/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] rmdir("./84" [pid 5840] newfstatat(AT_FDCWD, "./82/cgroup.cpu", [pid 5842] <... rmdir resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./81/binderfs", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] mkdir("./85", 0777 [pid 5840] unlink("./82/cgroup.cpu" [pid 5839] unlink("./81/binderfs" [pid 5842] <... mkdir resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] umount2("./82/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./81/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./82/cgroup", [pid 5839] newfstatat(AT_FDCWD, "./81/cgroup.net", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./81/cgroup.net" [pid 5840] unlink("./82/cgroup" [pid 5839] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] umount2("./81/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./81/cgroup.cpu", [pid 5840] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] unlink("./81/cgroup.cpu" [pid 5840] close(3./strace-static-x86_64: Process 6307 attached ) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6307] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 88 [pid 5840] rmdir("./82" [pid 5839] umount2("./81/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6307] <... set_robust_list resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./81/cgroup", [pid 6307] chdir("./85" [pid 5840] mkdir("./83", 0777 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6307] <... chdir resumed>) = 0 [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... mkdir resumed>) = 0 [pid 6307] <... prctl resumed>) = 0 [pid 6307] setpgid(0, 0 [pid 5839] unlink("./81/cgroup" [pid 6307] <... setpgid resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6307] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] getdents64(3, [pid 6307] <... symlink resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] close(3 [pid 6307] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5839] <... close resumed>) = 0 [pid 6307] <... symlink resumed>) = 0 [pid 5839] rmdir("./81") = 0 [pid 5839] mkdir("./82", 0777 [pid 6307] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5839] <... mkdir resumed>) = 0 [pid 6307] <... symlink resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6308 attached [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6308] set_robust_list(0x5555617a06a0, 24 [pid 6307] <... openat resumed>) = 3 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 86 [pid 6308] <... set_robust_list resumed>) = 0 [pid 6308] chdir("./83" [pid 6307] write(3, "1000", 4) = 4 [pid 6308] <... chdir resumed>) = 0 [pid 6307] close(3) = 0 [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6309 attached [pid 6309] set_robust_list(0x5555617a06a0, 24 [pid 6307] <... symlink resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 85 [pid 6308] <... prctl resumed>) = 0 [pid 6309] <... set_robust_list resumed>) = 0 [pid 6308] setpgid(0, 0executing program ) = 0 [pid 6307] write(1, "executing program\n", 18 [pid 6309] chdir("./82" [pid 6308] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6307] <... write resumed>) = 18 [pid 6309] <... chdir resumed>) = 0 [pid 6307] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6308] <... symlink resumed>) = 0 [pid 6307] <... socket resumed>) = 3 [pid 6309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6307] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6309] setpgid(0, 0 [pid 6308] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6307] <... sendto resumed>) = 32 [pid 6309] <... setpgid resumed>) = 0 [pid 6308] <... symlink resumed>) = 0 [pid 6307] recvfrom(3, [pid 6309] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6308] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6307] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=88}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6309] <... symlink resumed>) = 0 [pid 6308] <... symlink resumed>) = 0 [pid 6307] recvfrom(3, [pid 6309] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6309] <... symlink resumed>) = 0 [pid 6308] <... openat resumed>) = 3 [pid 6308] write(3, "1000", 4 [pid 6307] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=88}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6309] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6308] <... write resumed>) = 4 [pid 6307] close(3 [pid 6309] <... symlink resumed>) = 0 [pid 6308] close(3 [pid 6307] <... close resumed>) = 0 [pid 6306] <... writev resumed>) = 61440 [pid 6308] <... close resumed>) = 0 [pid 6308] symlink("/dev/binderfs", "./binderfs" [pid 6306] close(3 [pid 6309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6308] <... symlink resumed>) = 0 [pid 6307] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6306] <... close resumed>) = 0 [pid 6309] <... openat resumed>) = 3 [pid 6308] write(1, "executing program\n", 18executing program [pid 6307] <... socket resumed>) = 3 [pid 6306] close(4 [pid 6309] write(3, "1000", 4 [pid 6308] <... write resumed>) = 18 [pid 6306] <... close resumed>) = 0 [pid 6309] <... write resumed>) = 4 [pid 6308] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6307] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6309] close(3 [pid 6308] <... socket resumed>) = 3 [pid 6307] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6306] close(5 [pid 6309] <... close resumed>) = 0 [pid 6308] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6307] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6306] <... close resumed>) = 0 [pid 6309] symlink("/dev/binderfs", "./binderfs" [pid 6308] <... sendto resumed>) = 32 [pid 6307] <... sendmsg resumed>) = 44 [pid 6309] <... symlink resumed>) = 0 [pid 6308] recvfrom(3, [pid 6307] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6306] close(6 [pid 6309] write(1, "executing program\n", 18 [pid 6308] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=86}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 executing program [pid 6307] <... openat resumed>) = 4 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... write resumed>) = 18 [pid 6308] recvfrom(3, [pid 6307] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6306] close(7 [pid 6309] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6308] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=86}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6307] <... openat resumed>) = 5 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... socket resumed>) = 3 [pid 6309] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6308] close(3 [pid 6306] close(8 [pid 6309] <... sendto resumed>) = 32 [pid 6308] <... close resumed>) = 0 [pid 6307] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] recvfrom(3, [pid 6308] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6306] close(9 [pid 6309] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=85}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=85}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6308] <... socket resumed>) = 3 [pid 6306] close(10 [pid 6305] <... writev resumed>) = 61440 [pid 6309] close(3 [pid 6308] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(3 [pid 6308] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6306] close(11 [pid 6305] <... close resumed>) = 0 [pid 6309] <... close resumed>) = 0 [pid 6308] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(4 [pid 6308] <... sendmsg resumed>) = 44 [pid 6305] <... close resumed>) = 0 [pid 6308] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6305] close(5) = 0 [pid 6308] <... openat resumed>) = 4 [pid 6305] close(6) = -1 EBADF (Bad file descriptor) [pid 6305] close(7) = -1 EBADF (Bad file descriptor) [pid 6305] close(8 [pid 6308] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... openat resumed>) = 5 [pid 6305] close(9) = -1 EBADF (Bad file descriptor) [pid 6305] close(10) = -1 EBADF (Bad file descriptor) [pid 6305] close(11) = -1 EBADF (Bad file descriptor) [pid 6305] close(12 [pid 6308] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(13 [pid 6306] close(12 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6306] close(13 [pid 6305] close(14 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... socket resumed>) = 3 [pid 6306] close(14 [pid 6305] close(15 [pid 6309] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] close(15) = -1 EBADF (Bad file descriptor) [pid 6309] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6306] close(16 [pid 6305] close(16 [pid 6309] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... sendmsg resumed>) = 44 [pid 6306] close(17 [pid 6305] close(17 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6306] close(18 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... openat resumed>) = 4 [pid 6306] close(19 [pid 6305] close(18 [pid 6309] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6307] <... writev resumed>) = 61440 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] close(3) = 0 [pid 6305] close(19 [pid 6307] close(4) = 0 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] close(5 [pid 6305] close(20) = -1 EBADF (Bad file descriptor) [pid 6305] close(21 [pid 6307] <... close resumed>) = 0 [pid 6307] close(6) = -1 EBADF (Bad file descriptor) [pid 6307] close(7 [pid 6309] <... openat resumed>) = 5 [pid 6306] close(20 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] close(8) = -1 EBADF (Bad file descriptor) [pid 6307] close(9) = -1 EBADF (Bad file descriptor) [pid 6307] close(10) = -1 EBADF (Bad file descriptor) [pid 6307] close(11) = -1 EBADF (Bad file descriptor) [pid 6307] close(12) = -1 EBADF (Bad file descriptor) [pid 6307] close(13) = -1 EBADF (Bad file descriptor) [pid 6307] close(14) = -1 EBADF (Bad file descriptor) [pid 6307] close(15) = -1 EBADF (Bad file descriptor) [pid 6307] close(16) = -1 EBADF (Bad file descriptor) [pid 6307] close(17) = -1 EBADF (Bad file descriptor) [pid 6307] close(18) = -1 EBADF (Bad file descriptor) [pid 6307] close(19 [pid 6308] <... writev resumed>) = 61440 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6308] close(3 [pid 6305] close(22 [pid 6308] <... close resumed>) = 0 [pid 6307] close(20 [pid 6306] close(21 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(4 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = 0 [pid 6307] close(21 [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(23 [pid 6308] close(5 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = 0 [pid 6305] close(24 [pid 6308] close(6 [pid 6307] close(22 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(25 [pid 6308] close(7 [pid 6307] close(23 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(26 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] close(24 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(8 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(27 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] close(25 [pid 6308] close(9 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] close(26 [pid 6308] close(10 [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(28 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(11 [pid 6307] close(27 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(12 [pid 6307] close(28 [pid 6305] close(29 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(13 [pid 6307] close(29 [pid 6306] close(22 [pid 6305] exit_group(0 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(14) = -1 EBADF (Bad file descriptor) [pid 6307] exit_group(0 [pid 6305] <... exit_group resumed>) = ? [pid 6308] close(15) = -1 EBADF (Bad file descriptor) [pid 6305] +++ exited with 0 +++ [pid 6307] <... exit_group resumed>) = ? [pid 6308] close(16 [pid 6306] close(23 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] +++ exited with 0 +++ [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] close(24 [pid 6308] close(17) = -1 EBADF (Bad file descriptor) [pid 6308] close(18) = -1 EBADF (Bad file descriptor) [pid 6308] close(19) = -1 EBADF (Bad file descriptor) [pid 6308] close(20) = -1 EBADF (Bad file descriptor) [pid 6308] close(21) = -1 EBADF (Bad file descriptor) [pid 6308] close(22) = -1 EBADF (Bad file descriptor) [pid 6308] close(23) = -1 EBADF (Bad file descriptor) [pid 6308] close(24) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6308] close(25) = -1 EBADF (Bad file descriptor) [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] close(26 [pid 6306] close(25 [pid 5838] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] close(26 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6308] close(27 [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6308] close(28) = -1 EBADF (Bad file descriptor) [pid 5838] <... openat resumed>) = 3 [pid 6308] close(29 [pid 5838] newfstatat(3, "", [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6308] exit_group(0 [pid 5838] getdents64(3, [pid 6308] <... exit_group resumed>) = ? [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6308] +++ exited with 0 +++ [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6306] close(27 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./83/binderfs" [pid 5842] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./83/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 3 [pid 5838] newfstatat(AT_FDCWD, "./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(3, "", [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] unlink("./83/cgroup.net" [pid 5842] getdents64(3, [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] --- 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 5838] umount2("./83/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] close(28 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./83/cgroup.cpu", [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] close(29 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./85/binderfs", [pid 5840] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./83/cgroup.cpu" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./85/binderfs" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] umount2("./85/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5838] umount2("./83/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(3, "", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] newfstatat(AT_FDCWD, "./85/cgroup.net", [pid 5840] getdents64(3, [pid 5838] newfstatat(AT_FDCWD, "./83/cgroup", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./85/cgroup.net" [pid 5838] unlink("./83/cgroup" [pid 5842] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./83/binderfs", [pid 5842] umount2("./85/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./83/binderfs" [pid 6306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./85/cgroup.cpu", [pid 5838] getdents64(3, [pid 6306] exit_group(0) = ? [pid 6306] +++ exited with 0 +++ [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] close(3) = 0 [pid 5840] umount2("./83/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] rmdir("./83" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... rmdir resumed>) = 0 [pid 5842] unlink("./85/cgroup.cpu" [pid 5840] newfstatat(AT_FDCWD, "./83/cgroup.net", [pid 5838] mkdir("./84", 0777 [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5842] umount2("./85/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./83/cgroup.net" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6310 attached [pid 5842] newfstatat(AT_FDCWD, "./85/cgroup", [pid 5840] umount2("./83/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./85/cgroup" [pid 5840] newfstatat(AT_FDCWD, "./83/cgroup.cpu", [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] getdents64(3, [pid 5840] unlink("./83/cgroup.cpu" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5842] close(3 [pid 5840] umount2("./83/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] rmdir("./85" [pid 5840] newfstatat(AT_FDCWD, "./83/cgroup", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... rmdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] mkdir("./86", 0777 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./83/cgroup" [pid 5835] <... openat resumed>) = 3 [pid 5840] <... unlink resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6310] set_robust_list(0x5555617a06a0, 24 [pid 5840] close(3 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 87 [pid 5835] getdents64(3, [pid 6310] <... set_robust_list resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] rmdir("./83" [pid 5835] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... rmdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6310] chdir("./84" [pid 5835] newfstatat(AT_FDCWD, "./83/binderfs", [pid 5840] mkdir("./84", 0777 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6310] <... chdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5835] unlink("./83/binderfs"./strace-static-x86_64: Process 6311 attached [pid 6310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6312 attached [pid 6310] <... prctl resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 89 [pid 6311] set_robust_list(0x5555617a06a0, 24 [pid 6310] setpgid(0, 0 [pid 5835] umount2("./83/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./83/cgroup.net", [pid 6310] <... setpgid resumed>) = 0 [pid 6310] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 5835] unlink("./83/cgroup.net") = 0 [pid 5835] umount2("./83/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6310] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6310] <... symlink resumed>) = 0 [pid 6310] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5835] newfstatat(AT_FDCWD, "./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6312] set_robust_list(0x5555617a06a0, 24 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 87 [pid 5835] unlink("./83/cgroup.cpu" [pid 6312] <... set_robust_list resumed>) = 0 [pid 6311] chdir("./86" [pid 6310] <... openat resumed>) = 3 [pid 5835] <... unlink resumed>) = 0 [pid 6312] chdir("./84" [pid 6310] write(3, "1000", 4 [pid 6312] <... chdir resumed>) = 0 [pid 6310] <... write resumed>) = 4 [pid 5835] umount2("./83/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6310] close(3 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6310] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./83/cgroup", [pid 6310] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6312] <... prctl resumed>) = 0 [pid 5835] unlink("./83/cgroup"executing program [pid 6312] setpgid(0, 0 [pid 6310] write(1, "executing program\n", 18 [pid 5835] <... unlink resumed>) = 0 [pid 6312] <... setpgid resumed>) = 0 [pid 6310] <... write resumed>) = 18 [pid 6312] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6310] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] getdents64(3, [pid 6310] <... socket resumed>) = 3 [pid 6312] <... symlink resumed>) = 0 [pid 6311] <... chdir resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6310] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6312] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6311] <... prctl resumed>) = 0 [pid 6310] <... sendto resumed>) = 32 [pid 5835] close(3 [pid 6311] setpgid(0, 0 [pid 5835] <... close resumed>) = 0 [pid 6312] <... symlink resumed>) = 0 [pid 6311] <... setpgid resumed>) = 0 [pid 5835] rmdir("./83" [pid 6311] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6310] recvfrom(3, [pid 5835] <... rmdir resumed>) = 0 [pid 6312] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=87}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5835] mkdir("./84", 0777 [pid 6312] <... symlink resumed>) = 0 [pid 6311] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6310] recvfrom(3, [pid 5835] <... mkdir resumed>) = 0 [pid 6312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=87}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6312] <... openat resumed>) = 3 [pid 6311] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6310] close(3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6312] write(3, "1000", 4 [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... close resumed>) = 0 [pid 6312] <... write resumed>) = 4 [pid 6312] close(3 [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] <... close resumed>) = 0 [pid 6311] <... openat resumed>) = 3 [pid 6312] symlink("/dev/binderfs", "./binderfs" [pid 6311] write(3, "1000", 4 [pid 6310] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC./strace-static-x86_64: Process 6313 attached [pid 6312] <... symlink resumed>) = 0 [pid 6311] <... write resumed>) = 4 [pid 6310] <... socket resumed>) = 3 [pid 6311] close(3 [pid 6310] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6312] write(1, "executing program\n", 18 [pid 6311] <... close resumed>) = 0 [pid 6310] <... ioctl resumed>, ifr_ifindex=11}) = 0 executing program [pid 6312] <... write resumed>) = 18 [pid 6311] symlink("/dev/binderfs", "./binderfs" [pid 6310] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6312] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6311] <... symlink resumed>) = 0 [pid 6310] <... sendmsg resumed>) = 44 executing program [pid 6312] <... socket resumed>) = 3 [pid 6311] write(1, "executing program\n", 18 [pid 6310] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 87 [pid 6311] <... write resumed>) = 18 [pid 6310] <... openat resumed>) = 4 [pid 6312] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6311] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6310] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6313] set_robust_list(0x5555617a06a0, 24 [pid 6312] recvfrom(3, [pid 6311] <... socket resumed>) = 3 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6313] chdir("./84" [pid 6312] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=87}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6311] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6310] <... openat resumed>) = 5 [pid 6312] recvfrom(3, [pid 6311] <... sendto resumed>) = 32 [pid 6310] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6313] <... chdir resumed>) = 0 [pid 6312] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=87}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6311] recvfrom(3, [pid 6309] <... writev resumed>) = 61440 [pid 6312] close(3 [pid 6313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] <... close resumed>) = 0 [pid 6313] <... prctl resumed>) = 0 [pid 6309] close(3 [pid 6313] setpgid(0, 0) = 0 [pid 6313] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6313] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6312] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6311] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=89}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6309] <... close resumed>) = 0 [pid 6313] <... symlink resumed>) = 0 [pid 6312] <... socket resumed>) = 3 [pid 6311] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=89}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6313] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6311] close(3 [pid 6313] <... symlink resumed>) = 0 [pid 6311] <... close resumed>) = 0 [pid 6311] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6311] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6311] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6311] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6312] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6311] <... openat resumed>) = 4 [pid 6309] close(4 [pid 6312] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6309] <... close resumed>) = 0 [pid 6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6311] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6309] close(5 [pid 6313] <... openat resumed>) = 3 [pid 6311] <... openat resumed>) = 5 [pid 6313] write(3, "1000", 4 [pid 6312] <... sendmsg resumed>) = 44 [pid 6311] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6309] <... close resumed>) = 0 [pid 6313] <... write resumed>) = 4 [pid 6312] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6313] close(3 [pid 6312] <... openat resumed>) = 4 [pid 6309] close(6) = -1 EBADF (Bad file descriptor) [pid 6313] <... close resumed>) = 0 [pid 6309] close(7 [pid 6313] symlink("/dev/binderfs", "./binderfs" [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... symlink resumed>) = 0 [pid 6312] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6309] close(8 [pid 6312] <... openat resumed>) = 5 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6313] write(1, "executing program\n", 18 [pid 6309] close(9 [pid 6313] <... write resumed>) = 18 [pid 6312] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6310] <... writev resumed>) = 61440 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6310] close(3 [pid 6309] close(10 [pid 6313] <... socket resumed>) = 3 [pid 6311] <... writev resumed>) = 61440 [pid 6310] <... close resumed>) = 0 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6311] close(3 [pid 6313] <... sendto resumed>) = 32 [pid 6311] <... close resumed>) = 0 [pid 6309] close(11) = -1 EBADF (Bad file descriptor) [pid 6313] recvfrom(3, [pid 6311] close(4) = 0 [pid 6313] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=87}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6313] recvfrom(3, [pid 6311] close(5 [pid 6313] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=87}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6311] <... close resumed>) = 0 [pid 6309] close(12 [pid 6313] close(3 [pid 6311] close(6 [pid 6310] close(4 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... close resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] close(13 [pid 6313] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6311] close(7 [pid 6313] <... socket resumed>) = 3 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6311] close(8 [pid 6313] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6311] close(9 [pid 6313] <... sendmsg resumed>) = 44 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(10 [pid 6313] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(11) = -1 EBADF (Bad file descriptor) [pid 6311] close(12) = -1 EBADF (Bad file descriptor) [pid 6311] close(13) = -1 EBADF (Bad file descriptor) [pid 6311] close(14) = -1 EBADF (Bad file descriptor) [pid 6311] close(15) = -1 EBADF (Bad file descriptor) [pid 6311] close(16 [pid 6313] <... openat resumed>) = 4 [pid 6310] <... close resumed>) = 0 [pid 6309] close(14 [pid 6313] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(5 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... openat resumed>) = 5 [pid 6311] close(17 [pid 6310] <... close resumed>) = 0 [pid 6309] close(15 [pid 6313] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(6 [pid 6309] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(18 [pid 6310] close(7 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(19 [pid 6310] close(8 [pid 6309] close(16 [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 6311] close(20 [pid 6309] close(17) = -1 EBADF (Bad file descriptor) [pid 6309] close(18) = -1 EBADF (Bad file descriptor) [pid 6309] close(19) = -1 EBADF (Bad file descriptor) [pid 6309] close(20) = -1 EBADF (Bad file descriptor) [pid 6309] close(21) = -1 EBADF (Bad file descriptor) [pid 6309] close(22) = -1 EBADF (Bad file descriptor) [pid 6309] close(23) = -1 EBADF (Bad file descriptor) [pid 6309] close(24) = -1 EBADF (Bad file descriptor) [pid 6309] close(25) = -1 EBADF (Bad file descriptor) [pid 6309] close(26) = -1 EBADF (Bad file descriptor) [pid 6309] close(27) = -1 EBADF (Bad file descriptor) [pid 6309] close(28) = -1 EBADF (Bad file descriptor) [pid 6309] close(29) = -1 EBADF (Bad file descriptor) [pid 6309] exit_group(0) = ? [pid 6310] close(9 [pid 6309] +++ exited with 0 +++ [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(10) = -1 EBADF (Bad file descriptor) [pid 6310] close(11) = -1 EBADF (Bad file descriptor) [pid 6310] close(12) = -1 EBADF (Bad file descriptor) [pid 6310] close(13) = -1 EBADF (Bad file descriptor) [pid 6310] close(14) = -1 EBADF (Bad file descriptor) [pid 6310] close(15) = -1 EBADF (Bad file descriptor) [pid 6310] close(16) = -1 EBADF (Bad file descriptor) [pid 6310] close(17 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(21 [pid 6310] close(18 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(22 [pid 6310] close(19 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(23 [pid 6310] close(20 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(24 [pid 5839] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(21 [pid 6311] close(25 [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(22 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6311] close(26 [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(23 [pid 5839] <... openat resumed>) = 3 [pid 6311] close(27 [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(24 [pid 5839] newfstatat(3, "", [pid 6311] close(28 [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(25 [pid 5839] getdents64(3, [pid 6311] close(29 [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] close(26 [pid 6311] exit_group(0 [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6311] <... exit_group resumed>) = ? [pid 6310] close(27 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6311] +++ exited with 0 +++ [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./82/binderfs", [pid 6310] close(28) = -1 EBADF (Bad file descriptor) [pid 6310] close(29) = -1 EBADF (Bad file descriptor) [pid 6310] exit_group(0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6310] <... exit_group resumed>) = ? [pid 5839] unlink("./82/binderfs" [pid 6310] +++ exited with 0 +++ [pid 5839] <... unlink resumed>) = 0 [pid 5839] umount2("./82/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./82/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./82/cgroup.net") = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5839] umount2("./82/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./82/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./82/cgroup.cpu") = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5839] umount2("./82/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./82/cgroup", [pid 5842] <... restart_syscall resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./82/cgroup" [pid 5842] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] getdents64(3, [pid 5842] <... openat resumed>) = 3 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 5839] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5839] rmdir("./82" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... rmdir resumed>) = 0 [pid 5842] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] mkdir("./83", 0777) = 0 [pid 5838] getdents64(3, [pid 5842] newfstatat(AT_FDCWD, "./86/binderfs", [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./86/binderfs" [pid 5838] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./86/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6314 attached [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6314] set_robust_list(0x5555617a06a0, 24 [pid 5842] newfstatat(AT_FDCWD, "./86/cgroup.net", [pid 5838] newfstatat(AT_FDCWD, "./84/binderfs", [pid 6314] <... set_robust_list resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 86 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6314] chdir("./83" [pid 5842] unlink("./86/cgroup.net" [pid 5838] unlink("./84/binderfs" [pid 6314] <... chdir resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] umount2("./86/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... unlink resumed>) = 0 [pid 6314] <... prctl resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./84/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./86/cgroup.cpu", [pid 6314] setpgid(0, 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6314] <... setpgid resumed>) = 0 [pid 5842] unlink("./86/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6314] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./86/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./84/cgroup.net" [pid 6314] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6314] <... symlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./86/cgroup", [pid 5838] <... unlink resumed>) = 0 [pid 6314] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./84/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6314] <... symlink resumed>) = 0 [pid 5842] unlink("./86/cgroup" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./84/cgroup.cpu", [pid 6314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6314] <... openat resumed>) = 3 [pid 6312] <... writev resumed>) = 61440 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 5838] unlink("./84/cgroup.cpu" [pid 6314] write(3, "1000", 4 [pid 6312] close(3 [pid 5842] <... close resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5842] rmdir("./86" [pid 6314] <... write resumed>) = 4 [pid 6312] <... close resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 6314] close(3 [pid 6312] close(4 [pid 5842] mkdir("./87", 0777 [pid 5838] umount2("./84/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6314] <... close resumed>) = 0 [pid 6312] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6314] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./84/cgroup", executing program [pid 6314] write(1, "executing program\n", 18 [pid 6312] close(5 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6314] <... write resumed>) = 18 [pid 6312] <... close resumed>) = 0 [pid 6314] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5838] unlink("./84/cgroup" [pid 6312] close(6./strace-static-x86_64: Process 6315 attached [pid 6315] set_robust_list(0x5555617a06a0, 24 [pid 6314] <... socket resumed>) = 3 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6314] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6312] close(7 [pid 5838] getdents64(3, [pid 6315] <... set_robust_list resumed>) = 0 [pid 6314] <... sendto resumed>) = 32 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 90 [pid 6314] recvfrom(3, [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] chdir("./87" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6314] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=86}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6312] close(8 [pid 5838] close(3 [pid 6315] <... chdir resumed>) = 0 [pid 6314] recvfrom(3, [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6314] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=86}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6312] close(9 [pid 5838] rmdir("./84" [pid 6315] <... prctl resumed>) = 0 [pid 6314] close(3 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rmdir resumed>) = 0 [pid 6315] setpgid(0, 0 [pid 6314] <... close resumed>) = 0 [pid 6315] <... setpgid resumed>) = 0 [pid 6312] close(10 [pid 6315] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6314] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] mkdir("./85", 0777 [pid 6315] <... symlink resumed>) = 0 [pid 6314] <... socket resumed>) = 3 [pid 6312] close(11 [pid 5838] <... mkdir resumed>) = 0 [pid 6315] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6314] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... symlink resumed>) = 0 [pid 6314] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6312] close(12 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6315] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6314] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... symlink resumed>) = 0 [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] close(13 [pid 6315] <... openat resumed>) = 3 [pid 6314] <... sendmsg resumed>) = 44 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(14) = -1 EBADF (Bad file descriptor) [pid 6312] close(15 [pid 6314] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] write(3, "1000", 4 [pid 6314] <... openat resumed>) = 4 [pid 6312] close(16 [pid 6315] <... write resumed>) = 4 [pid 6314] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(3 [pid 6312] close(17 [pid 6315] <... close resumed>) = 0 [pid 6314] <... openat resumed>) = 5 [pid 6315] symlink("/dev/binderfs", "./binderfs"executing program [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6316 attached [pid 6315] write(1, "executing program\n", 18 [pid 6314] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6312] close(18 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 88 [pid 6316] set_robust_list(0x5555617a06a0, 24 [pid 6315] <... write resumed>) = 18 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... set_robust_list resumed>) = 0 [pid 6316] chdir("./85") = 0 [pid 6312] close(19) = -1 EBADF (Bad file descriptor) [pid 6312] close(20 [pid 6315] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(21 [pid 6316] <... prctl resumed>) = 0 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] setpgid(0, 0 [pid 6312] close(22 [pid 6316] <... setpgid resumed>) = 0 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6312] close(23) = -1 EBADF (Bad file descriptor) [pid 6312] close(24 [pid 6316] <... symlink resumed>) = 0 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(25) = -1 EBADF (Bad file descriptor) [pid 6312] close(26) = -1 EBADF (Bad file descriptor) [pid 6316] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6312] close(27 [pid 6316] <... symlink resumed>) = 0 [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] close(28 [pid 6316] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... symlink resumed>) = 0 [pid 6312] close(29) = -1 EBADF (Bad file descriptor) [pid 6312] exit_group(0 [pid 6316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6312] <... exit_group resumed>) = ? [pid 6316] write(3, "1000", 4 [pid 6312] +++ exited with 0 +++ [pid 6316] <... write resumed>) = 4 [pid 6316] close(3) = 0 [pid 6316] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6316] write(1, "executing program\n", 18) = 18 [pid 6315] <... socket resumed>) = 3 [pid 6315] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6316] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6313] <... writev resumed>) = 61440 [pid 6316] <... socket resumed>) = 3 [pid 6315] <... sendto resumed>) = 32 [pid 6313] close(3 [pid 6316] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6315] recvfrom(3, [pid 6313] <... close resumed>) = 0 [pid 6316] <... sendto resumed>) = 32 [pid 6313] close(4 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6316] recvfrom(3, [pid 6315] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=90}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6313] <... close resumed>) = 0 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6316] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=88}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6315] recvfrom(3, [pid 5840] <... restart_syscall resumed>) = 0 [pid 6316] recvfrom(3, [pid 6315] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=90}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6316] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=88}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6315] close(3 [pid 6316] close(3 [pid 6315] <... close resumed>) = 0 [pid 5840] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6316] <... close resumed>) = 0 [pid 6315] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6316] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6315] <... socket resumed>) = 3 [pid 5840] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6316] <... socket resumed>) = 3 [pid 6315] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6316] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6313] close(5 [pid 5840] <... openat resumed>) = 3 [pid 6316] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6315] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6313] <... close resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 6315] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6313] close(6 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6316] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6315] <... sendmsg resumed>) = 44 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 6316] <... sendmsg resumed>) = 44 [pid 6313] close(7 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] close(8 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6316] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6315] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./84/binderfs", [pid 6316] <... openat resumed>) = 4 [pid 6315] <... openat resumed>) = 4 [pid 6313] close(9 [pid 6316] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6315] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6316] <... openat resumed>) = 5 [pid 6315] <... openat resumed>) = 5 [pid 6313] close(10 [pid 5840] unlink("./84/binderfs" [pid 6316] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6315] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6313] close(11 [pid 5840] umount2("./84/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] close(12 [pid 5840] newfstatat(AT_FDCWD, "./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./84/cgroup.net") = 0 [pid 5840] umount2("./84/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] close(13) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] close(14 [pid 5840] newfstatat(AT_FDCWD, "./84/cgroup.cpu", [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... writev resumed>) = 61440 [pid 6314] close(3) = 0 [pid 6313] close(15 [pid 6316] <... writev resumed>) = 61440 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6316] close(3 [pid 6314] close(4 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... close resumed>) = 0 [pid 6314] <... close resumed>) = 0 [pid 6313] close(16 [pid 5840] unlink("./84/cgroup.cpu" [pid 6316] close(4 [pid 6314] close(5 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6316] <... close resumed>) = 0 [pid 6314] <... close resumed>) = 0 [pid 6313] close(17 [pid 5840] umount2("./84/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6316] close(5 [pid 6314] close(6 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6316] <... close resumed>) = 0 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(18 [pid 6316] close(6 [pid 6314] close(7 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./84/cgroup", [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(19 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6316] close(7 [pid 6314] close(8 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(20 [pid 5840] unlink("./84/cgroup" [pid 6316] close(8 [pid 6314] close(9 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(21 [pid 6316] close(9 [pid 6314] close(10 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(22 [pid 6316] close(10 [pid 6314] close(11 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 6316] close(11 [pid 6314] close(12 [pid 6313] close(23 [pid 5840] <... close resumed>) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./84" [pid 6316] close(12 [pid 6314] close(13 [pid 6313] close(24 [pid 5840] <... rmdir resumed>) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./85", 0777 [pid 6316] close(13 [pid 6314] close(14 [pid 6313] close(25 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 [pid 6316] close(14 [pid 6314] close(15 [pid 6313] close(26 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6316] close(15 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(27 [pid 6314] close(16 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(28 [pid 6316] close(16 [pid 6314] close(17 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] close(29 [pid 6314] close(18 [pid 6313] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(17 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] exit_group(0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] close(19 [pid 6316] close(18 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6317 attached [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... writev resumed>) = 61440 [pid 6314] close(20 [pid 6316] close(19 [pid 6315] close(3 [pid 6317] set_robust_list(0x5555617a06a0, 24 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... set_robust_list resumed>) = 0 [pid 6316] close(20 [pid 6315] <... close resumed>) = 0 [pid 6314] close(21 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 88 [pid 6317] chdir("./85" [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(4 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(21 [pid 6314] close(22 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(22 [pid 6314] close(23 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(23 [pid 6314] close(24 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(24 [pid 6314] close(25 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(25 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] close(26 [pid 6313] +++ exited with 0 +++ [pid 6317] <... chdir resumed>) = 0 [pid 6316] close(26 [pid 6315] <... close resumed>) = 0 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(5 [pid 6317] <... prctl resumed>) = 0 [pid 6316] close(27 [pid 6315] <... close resumed>) = 0 [pid 6314] close(27 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6317] setpgid(0, 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(6 [pid 6317] <... setpgid resumed>) = 0 [pid 6316] close(28 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... restart_syscall resumed>) = 0 [pid 6317] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(7 [pid 6314] close(28 [pid 6317] <... symlink resumed>) = 0 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(8 [pid 6317] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6316] close(29 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... symlink resumed>) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] close(29 [pid 6317] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6315] close(9 [pid 6317] <... symlink resumed>) = 0 [pid 6316] exit_group(0 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6316] <... exit_group resumed>) = ? [pid 6315] close(10 [pid 6314] exit_group(0 [pid 6317] <... openat resumed>) = 3 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(11) = -1 EBADF (Bad file descriptor) [pid 6315] close(12executing program ) = -1 EBADF (Bad file descriptor) [pid 6317] write(3, "1000", 4 [pid 6316] +++ exited with 0 +++ [pid 6314] <... exit_group resumed>) = ? [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] <... write resumed>) = 4 [pid 6315] close(13 [pid 5835] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6317] close(3 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... openat resumed>) = 3 [pid 6317] <... close resumed>) = 0 [pid 6315] close(14 [pid 5835] newfstatat(3, "", [pid 6317] symlink("/dev/binderfs", "./binderfs" [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6317] <... symlink resumed>) = 0 [pid 6315] close(15 [pid 6314] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6317] write(1, "executing program\n", 18 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] getdents64(3, [pid 6317] <... write resumed>) = 18 [pid 6315] close(16 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6317] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] restart_syscall(<... resuming interrupted clone ...> [pid 5835] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] <... socket resumed>) = 3 [pid 6317] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6315] close(17 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] <... sendto resumed>) = 32 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] recvfrom(3, [pid 6315] close(18 [pid 5835] newfstatat(AT_FDCWD, "./84/binderfs", [pid 6317] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=88}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] recvfrom(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6317] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=88}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6315] close(19 [pid 5838] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] close(3 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... restart_syscall resumed>) = 0 [pid 5835] unlink("./84/binderfs" [pid 6315] close(20 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] <... close resumed>) = 0 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... unlink resumed>) = 0 [pid 6317] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6315] close(21 [pid 6317] <... socket resumed>) = 3 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... openat resumed>) = 3 [pid 5835] umount2("./84/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6315] close(22 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(3, "", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] newfstatat(AT_FDCWD, "./84/cgroup.net", [pid 6317] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6315] close(23 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6317] <... sendmsg resumed>) = 44 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(3, "", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6317] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6315] close(24 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 6317] <... openat resumed>) = 4 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] unlink("./84/cgroup.net" [pid 6317] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6315] close(25 [pid 5839] getdents64(3, [pid 5838] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] <... openat resumed>) = 5 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] umount2("./84/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] unlink("./85/binderfs" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6315] close(26 [pid 5839] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./84/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6315] close(27) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./83/binderfs", [pid 6315] close(28 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./85/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./84/cgroup.cpu" [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./83/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./85/cgroup.net", [pid 5835] umount2("./84/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./85/cgroup.net" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6315] close(29 [pid 5839] umount2("./83/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./84/cgroup", [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./85/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] newfstatat(AT_FDCWD, "./85/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./83/cgroup.net", [pid 5835] unlink("./84/cgroup" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./85/cgroup.cpu" [pid 5835] <... unlink resumed>) = 0 [pid 5839] unlink("./83/cgroup.net" [pid 5838] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] umount2("./85/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(3, [pid 6315] exit_group(0 [pid 5839] umount2("./83/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(AT_FDCWD, "./85/cgroup", [pid 5835] close(3 [pid 5839] newfstatat(AT_FDCWD, "./83/cgroup.cpu", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./85/cgroup" [pid 5839] unlink("./83/cgroup.cpu" [pid 5838] <... unlink resumed>) = 0 [pid 5835] rmdir("./84" [pid 5839] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 5835] <... rmdir resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] mkdir("./85", 0777 [pid 6315] <... exit_group resumed>) = ? [pid 5839] umount2("./83/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6315] +++ exited with 0 +++ [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5835] <... mkdir resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./83/cgroup", [pid 5838] <... close resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6318 attached [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] rmdir("./85" [pid 5839] unlink("./83/cgroup" [pid 5838] <... rmdir resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] mkdir("./86", 0777) = 0 [pid 5839] getdents64(3, [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6318] set_robust_list(0x5555617a06a0, 24 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5839] close(3) = 0 [pid 5839] rmdir("./83") = 0 [pid 5839] mkdir("./84", 0777) = 0 [pid 5842] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6319 attached [pid 5842] newfstatat(3, "", [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 89 [pid 6318] <... set_robust_list resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 88 [pid 6319] set_robust_list(0x5555617a06a0, 24 [pid 6318] chdir("./85" [pid 5842] getdents64(3, [pid 6319] <... set_robust_list resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6318] <... chdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] chdir("./86") = 0 ./strace-static-x86_64: Process 6320 attached [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] newfstatat(AT_FDCWD, "./87/binderfs", [pid 6318] <... prctl resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 87 [pid 6319] <... prctl resumed>) = 0 [pid 6318] setpgid(0, 0 [pid 5842] unlink("./87/binderfs" [pid 6319] setpgid(0, 0 [pid 6318] <... setpgid resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6319] <... setpgid resumed>) = 0 [pid 6318] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6319] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6318] <... symlink resumed>) = 0 [pid 5842] umount2("./87/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6320] set_robust_list(0x5555617a06a0, 24) = 0 [pid 6320] chdir("./84" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] <... chdir resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6319] <... symlink resumed>) = 0 [pid 5842] unlink("./87/cgroup.net" [pid 6320] <... prctl resumed>) = 0 [pid 6318] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6320] setpgid(0, 0 [pid 6319] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6318] <... symlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6320] <... setpgid resumed>) = 0 [pid 6318] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6320] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6319] <... symlink resumed>) = 0 [pid 6318] <... symlink resumed>) = 0 [pid 5842] umount2("./87/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6320] <... symlink resumed>) = 0 [pid 6319] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6320] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] <... symlink resumed>) = 0 [pid 6319] <... symlink resumed>) = 0 [pid 6318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] newfstatat(AT_FDCWD, "./87/cgroup.cpu", [pid 6320] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6318] <... openat resumed>) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6320] <... symlink resumed>) = 0 [pid 6319] <... openat resumed>) = 3 [pid 6318] write(3, "1000", 4 [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] unlink("./87/cgroup.cpu" [pid 6320] <... openat resumed>) = 3 [pid 6319] write(3, "1000", 4 [pid 6318] <... write resumed>) = 4 [pid 5842] <... unlink resumed>) = 0 [pid 6319] <... write resumed>) = 4 [pid 6320] write(3, "1000", 4 [pid 6318] close(3 [pid 5842] umount2("./87/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6320] <... write resumed>) = 4 [pid 6319] close(3 [pid 6318] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] close(3 [pid 6319] <... close resumed>) = 0 [pid 6318] symlink("/dev/binderfs", "./binderfs" [pid 5842] newfstatat(AT_FDCWD, "./87/cgroup", [pid 6320] <... close resumed>) = 0 [pid 6319] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6319] <... symlink resumed>) = 0 executing program [pid 6318] <... symlink resumed>) = 0 [pid 6320] symlink("/dev/binderfs", "./binderfs" [pid 6319] write(1, "executing program\n", 18 [pid 5842] unlink("./87/cgroup" [pid 6320] <... symlink resumed>) = 0 executing program [pid 6320] write(1, "executing program\n", 18 [pid 6319] <... write resumed>) = 18 [pid 6318] write(1, "executing program\n", 18 [pid 5842] <... unlink resumed>) = 0 [pid 6319] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6318] <... write resumed>) = 18 executing program [pid 6320] <... write resumed>) = 18 [pid 6319] <... socket resumed>) = 3 [pid 6318] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6320] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6319] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6318] <... socket resumed>) = 3 [pid 5842] getdents64(3, [pid 6320] <... socket resumed>) = 3 [pid 6319] <... sendto resumed>) = 32 [pid 6318] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6320] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6319] recvfrom(3, [pid 6318] <... sendto resumed>) = 32 [pid 5842] close(3 [pid 6320] <... sendto resumed>) = 32 [pid 6319] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=89}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6320] recvfrom(3, [pid 6319] recvfrom(3, [pid 6318] recvfrom(3, [pid 5842] <... close resumed>) = 0 [pid 6320] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=87}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6319] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=89}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6318] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=88}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] rmdir("./87" [pid 6320] recvfrom(3, [pid 6319] close(3 [pid 6318] recvfrom(3, [pid 6320] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=87}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6319] <... close resumed>) = 0 [pid 6318] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=88}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5842] <... rmdir resumed>) = 0 [pid 6320] close(3 [pid 6319] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6318] close(3 [pid 6320] <... close resumed>) = 0 [pid 6319] <... socket resumed>) = 3 [pid 6318] <... close resumed>) = 0 [pid 6320] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6319] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] mkdir("./88", 0777 [pid 6320] <... socket resumed>) = 3 [pid 6319] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6318] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... mkdir resumed>) = 0 [pid 6320] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6319] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6318] <... socket resumed>) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6320] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6319] <... sendmsg resumed>) = 44 [pid 6318] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6320] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6319] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6318] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6320] <... sendmsg resumed>) = 44 [pid 6319] <... openat resumed>) = 4 [pid 6318] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6320] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6318] <... sendmsg resumed>) = 44 [pid 6320] <... openat resumed>) = 4 [pid 6319] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6318] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY./strace-static-x86_64: Process 6321 attached [pid 6320] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6319] <... openat resumed>) = 5 [pid 6317] <... writev resumed>) = 61440 [pid 6321] set_robust_list(0x5555617a06a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 91 [pid 6321] <... set_robust_list resumed>) = 0 [pid 6320] <... openat resumed>) = 5 [pid 6319] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6321] chdir("./88" [pid 6320] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6318] <... openat resumed>) = 4 [pid 6317] close(3 [pid 6321] <... chdir resumed>) = 0 [pid 6318] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6317] <... close resumed>) = 0 [pid 6321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6318] <... openat resumed>) = 5 [pid 6321] <... prctl resumed>) = 0 [pid 6321] setpgid(0, 0) = 0 [pid 6318] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6321] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6317] close(4 [pid 6321] <... symlink resumed>) = 0 [pid 6317] <... close resumed>) = 0 [pid 6321] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6318] <... writev resumed>) = 61440 [pid 6317] close(5 [pid 6321] <... symlink resumed>) = 0 [pid 6318] close(3 [pid 6317] <... close resumed>) = 0 [pid 6318] <... close resumed>) = 0 [pid 6317] close(6 [pid 6318] close(4 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6318] <... close resumed>) = 0 [pid 6317] close(7 [pid 6321] <... symlink resumed>) = 0 executing program [pid 6318] close(5 [pid 6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6320] <... writev resumed>) = 61440 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... openat resumed>) = 3 [pid 6317] close(8 [pid 6318] <... close resumed>) = 0 [pid 6321] write(3, "1000", 4 [pid 6320] close(3 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... write resumed>) = 4 [pid 6320] <... close resumed>) = 0 [pid 6321] close(3 [pid 6317] close(9 [pid 6321] <... close resumed>) = 0 [pid 6318] close(6 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] symlink("/dev/binderfs", "./binderfs" [pid 6320] close(4 [pid 6321] <... symlink resumed>) = 0 [pid 6320] <... close resumed>) = 0 [pid 6321] write(1, "executing program\n", 18 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(10 [pid 6321] <... write resumed>) = 18 [pid 6320] close(5 [pid 6318] close(7 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(11 [pid 6321] <... socket resumed>) = 3 [pid 6320] <... close resumed>) = 0 [pid 6318] close(8 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... sendto resumed>) = 32 [pid 6320] close(6 [pid 6317] close(12 [pid 6321] recvfrom(3, [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] close(9 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=91}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6320] close(7 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(13 [pid 6321] recvfrom(3, [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] close(10 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=91}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6320] close(8 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(14 [pid 6321] close(3 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... close resumed>) = 0 [pid 6320] close(9 [pid 6318] close(11 [pid 6317] close(15 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(10 [pid 6318] close(12 [pid 6317] close(16 [pid 6321] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(11 [pid 6321] <... socket resumed>) = 3 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(17 [pid 6321] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6320] close(12 [pid 6318] close(13 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(18 [pid 6320] close(13 [pid 6318] close(14 [pid 6321] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6320] close(14 [pid 6318] close(15 [pid 6317] close(19 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] <... sendmsg resumed>) = 44 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] close(16 [pid 6321] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6320] close(15 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(20 [pid 6321] <... openat resumed>) = 4 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(16 [pid 6318] close(17 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(21 [pid 6320] close(17 [pid 6318] close(18 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(22 [pid 6321] <... openat resumed>) = 5 [pid 6320] close(18 [pid 6318] close(19 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(23 [pid 6320] close(19) = -1 EBADF (Bad file descriptor) [pid 6318] close(20 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(20 [pid 6317] close(24 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(21 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(25 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] close(21 [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(22 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] close(26 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(23 [pid 6317] close(27 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(24 [pid 6317] close(28 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(25 [pid 6317] close(29 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(26) = -1 EBADF (Bad file descriptor) [pid 6317] exit_group(0 [pid 6320] close(27) = -1 EBADF (Bad file descriptor) [pid 6320] close(28) = -1 EBADF (Bad file descriptor) [pid 6320] close(29) = -1 EBADF (Bad file descriptor) [pid 6317] <... exit_group resumed>) = ? [pid 6320] exit_group(0) = ? [pid 6317] +++ exited with 0 +++ [pid 6320] +++ exited with 0 +++ [pid 6318] close(22 [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6319] <... writev resumed>) = 61440 [pid 6318] close(23 [pid 6319] close(3 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = 0 [pid 6318] close(24 [pid 6319] close(4 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = 0 [pid 6318] close(25 [pid 5839] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] close(5 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = 0 [pid 6318] close(26 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(6 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6318] close(27 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... openat resumed>) = 3 [pid 6319] close(7 [pid 6318] close(28 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(3, "", [pid 6319] close(8 [pid 6318] close(29 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(9 [pid 6318] exit_group(0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] <... exit_group resumed>) = ? [pid 6319] close(10 [pid 5839] getdents64(3, [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6319] close(11 [pid 5839] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(12 [pid 5839] newfstatat(AT_FDCWD, "./84/binderfs", [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6319] close(13) = -1 EBADF (Bad file descriptor) [pid 6318] +++ exited with 0 +++ [pid 5839] unlink("./84/binderfs" [pid 5840] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 6319] close(14 [pid 5839] umount2("./84/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(15) = -1 EBADF (Bad file descriptor) [pid 6319] close(16) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./84/cgroup.net", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] --- 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 6319] close(17 [pid 5840] <... openat resumed>) = 3 [pid 5839] unlink("./84/cgroup.net" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 5839] <... unlink resumed>) = 0 [pid 6319] close(18 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(19 [pid 5840] getdents64(3, [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./84/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] close(20 [pid 5840] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] close(21 [pid 5840] newfstatat(AT_FDCWD, "./85/binderfs", [pid 5839] newfstatat(AT_FDCWD, "./84/cgroup.cpu", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(22 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./85/binderfs" [pid 5835] <... openat resumed>) = 3 [pid 6319] close(23 [pid 5840] <... unlink resumed>) = 0 [pid 5839] unlink("./84/cgroup.cpu" [pid 5840] umount2("./85/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] umount2("./84/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(3, "", [pid 6319] close(24 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./85/cgroup.net", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6319] close(25 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./84/cgroup", [pid 5835] getdents64(3, [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./85/cgroup.net" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] <... unlink resumed>) = 0 [pid 5835] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] close(26 [pid 5840] umount2("./85/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./84/cgroup" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... unlink resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./85/binderfs", [pid 6319] close(27 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6319] close(28 [pid 5840] newfstatat(AT_FDCWD, "./85/cgroup.cpu", [pid 5839] getdents64(3, [pid 5835] unlink("./85/binderfs" [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6319] close(29 [pid 5840] unlink("./85/cgroup.cpu" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5839] close(3 [pid 5835] umount2("./85/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] exit_group(0 [pid 5840] umount2("./85/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6319] <... exit_group resumed>) = ? [pid 5839] <... close resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] rmdir("./84" [pid 5840] newfstatat(AT_FDCWD, "./85/cgroup", [pid 5839] <... rmdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] mkdir("./85", 0777 [pid 5835] newfstatat(AT_FDCWD, "./85/cgroup.net", [pid 5840] unlink("./85/cgroup" [pid 5839] <... mkdir resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5835] unlink("./85/cgroup.net" [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6322 attached [pid 5840] getdents64(3, [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5835] umount2("./85/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(3 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 88 [pid 5835] newfstatat(AT_FDCWD, "./85/cgroup.cpu", [pid 5840] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] rmdir("./85" [pid 5835] unlink("./85/cgroup.cpu" [pid 6322] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... rmdir resumed>) = 0 [pid 5838] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5840] mkdir("./86", 0777 [pid 5835] umount2("./85/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] newfstatat(AT_FDCWD, "./85/cgroup", [pid 5838] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5835] unlink("./85/cgroup") = 0 [pid 5838] newfstatat(3, "", [pid 5835] getdents64(3, [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] getdents64(3, [pid 5835] close(3 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... close resumed>) = 0 [pid 5838] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] rmdir("./85" [pid 6322] <... set_robust_list resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... rmdir resumed>) = 0 [pid 6322] chdir("./85" [pid 5838] newfstatat(AT_FDCWD, "./86/binderfs", [pid 6322] <... chdir resumed>) = 0 [pid 5835] mkdir("./86", 0777./strace-static-x86_64: Process 6323 attached [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 6323] set_robust_list(0x5555617a06a0, 24 [pid 6322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 89 [pid 5838] unlink("./86/binderfs" [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6322] <... prctl resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6324 attached [pid 6323] <... set_robust_list resumed>) = 0 [pid 6321] <... writev resumed>) = 61440 [pid 6322] setpgid(0, 0 [pid 6324] set_robust_list(0x5555617a06a0, 24 [pid 6323] chdir("./86" [pid 6322] <... setpgid resumed>) = 0 [pid 6321] close(3 [pid 5838] umount2("./86/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 89 [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] <... chdir resumed>) = 0 [pid 6321] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6324] chdir("./86" [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6321] close(4 [pid 5838] newfstatat(AT_FDCWD, "./86/cgroup.net", [pid 6324] <... chdir resumed>) = 0 [pid 6323] <... prctl resumed>) = 0 [pid 6322] <... symlink resumed>) = 0 [pid 6321] <... close resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6323] setpgid(0, 0 [pid 5838] unlink("./86/cgroup.net" [pid 6324] <... prctl resumed>) = 0 [pid 6323] <... setpgid resumed>) = 0 [pid 6322] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6321] close(5 [pid 5838] <... unlink resumed>) = 0 [pid 6324] setpgid(0, 0 [pid 6323] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5838] umount2("./86/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6324] <... setpgid resumed>) = 0 [pid 6323] <... symlink resumed>) = 0 [pid 6322] <... symlink resumed>) = 0 [pid 6321] <... close resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6324] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6323] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6322] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5838] newfstatat(AT_FDCWD, "./86/cgroup.cpu", [pid 6323] <... symlink resumed>) = 0 [pid 6321] close(6) = -1 EBADF (Bad file descriptor) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6321] close(7) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./86/cgroup.cpu" [pid 6323] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6321] close(8 [pid 6323] <... symlink resumed>) = 0 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] close(9 [pid 5838] <... unlink resumed>) = 0 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] close(10) = -1 EBADF (Bad file descriptor) [pid 6324] <... symlink resumed>) = 0 [pid 6321] close(11 [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] umount2("./86/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... openat resumed>) = 3 [pid 6321] close(12 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6321] close(13 [pid 5838] newfstatat(AT_FDCWD, "./86/cgroup", [pid 6323] write(3, "1000", 4 [pid 6322] <... symlink resumed>) = 0 [pid 6322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6323] <... write resumed>) = 4 [pid 5838] unlink("./86/cgroup" [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = 0 [pid 6321] close(14 [pid 6324] <... symlink resumed>) = 0 [pid 6323] close(3 [pid 6322] <... openat resumed>) = 3 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] getdents64(3, [pid 6324] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6323] <... close resumed>) = 0 [pid 6322] write(3, "1000", 4 [pid 6321] close(15 [pid 6323] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6324] <... symlink resumed>) = 0 [pid 6322] <... write resumed>) = 4 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] close(3 [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6323] <... symlink resumed>) = 0 [pid 6322] close(3 [pid 6321] close(16 [pid 6324] <... openat resumed>) = 3 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] write(1, "executing program\n", 18 [pid 6321] close(17) = -1 EBADF (Bad file descriptor) [pid 6321] close(18executing program [pid 6323] <... write resumed>) = 18 [pid 6322] <... close resumed>) = 0 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] close(19 [pid 5838] <... close resumed>) = 0 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] close(20 [pid 5838] rmdir("./86" [pid 6324] write(3, "1000", 4 [pid 6322] symlink("/dev/binderfs", "./binderfs" [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERICexecuting program [pid 6322] <... symlink resumed>) = 0 [pid 6321] close(21 [pid 6324] <... write resumed>) = 4 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... rmdir resumed>) = 0 [pid 6324] close(3 [pid 6322] write(1, "executing program\n", 18 [pid 6321] close(22 [pid 6324] <... close resumed>) = 0 [pid 6322] <... write resumed>) = 18 [pid 5838] mkdir("./87", 0777 [pid 6324] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... socket resumed>) = 3 [pid 6321] close(23 [pid 5838] <... mkdir resumed>) = 0 [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6321] close(24executing program [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6324] write(1, "executing program\n", 18 [pid 6323] <... sendto resumed>) = 32 [pid 6322] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6321] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] <... write resumed>) = 18 [pid 6321] close(25) = -1 EBADF (Bad file descriptor) [pid 6321] close(26) = -1 EBADF (Bad file descriptor) [pid 6321] close(27) = -1 EBADF (Bad file descriptor) [pid 6321] close(28) = -1 EBADF (Bad file descriptor) [pid 6321] close(29) = -1 EBADF (Bad file descriptor) [pid 6321] exit_group(0) = ? ./strace-static-x86_64: Process 6325 attached [pid 6324] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6323] recvfrom(3, [pid 6322] <... socket resumed>) = 3 [pid 6321] +++ exited with 0 +++ [pid 6323] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=89}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6325] set_robust_list(0x5555617a06a0, 24 [pid 6324] <... socket resumed>) = 3 [pid 6322] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6323] recvfrom(3, [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 90 [pid 6325] chdir("./87" [pid 6322] <... sendto resumed>) = 32 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6323] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=89}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6322] recvfrom(3, [pid 6325] <... chdir resumed>) = 0 [pid 6324] <... sendto resumed>) = 32 [pid 6323] close(3 [pid 5842] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6323] <... close resumed>) = 0 [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6324] recvfrom(3, [pid 6323] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6322] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=88}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... prctl resumed>) = 0 [pid 6324] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=89}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6323] <... socket resumed>) = 3 [pid 5842] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6322] recvfrom(3, [pid 6325] setpgid(0, 0 [pid 6324] recvfrom(3, [pid 6323] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] <... openat resumed>) = 3 [pid 6325] <... setpgid resumed>) = 0 [pid 6322] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=88}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6325] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6324] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=89}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6323] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] newfstatat(3, "", [pid 6325] <... symlink resumed>) = 0 [pid 6324] close(3 [pid 6323] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6322] close(3 [pid 6325] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 6325] <... symlink resumed>) = 0 [pid 6323] <... sendmsg resumed>) = 44 [pid 6325] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6324] <... close resumed>) = 0 [pid 6322] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6323] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6325] <... symlink resumed>) = 0 [pid 6322] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... openat resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./88/binderfs", [pid 6322] <... socket resumed>) = 3 [pid 6324] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6323] <... openat resumed>) = 4 [pid 6322] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6325] write(3, "1000", 4 [pid 6324] <... socket resumed>) = 3 [pid 6323] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6322] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5842] unlink("./88/binderfs" [pid 6325] <... write resumed>) = 4 [pid 6324] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6323] <... openat resumed>) = 5 [pid 6322] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5842] <... unlink resumed>) = 0 [pid 6324] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6323] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6325] close(3 [pid 6322] <... sendmsg resumed>) = 44 [pid 5842] umount2("./88/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] <... close resumed>) = 0 [pid 6324] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6322] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6325] symlink("/dev/binderfs", "./binderfs" [pid 6324] <... sendmsg resumed>) = 44 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... symlink resumed>) = 0 [pid 6324] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] newfstatat(AT_FDCWD, "./88/cgroup.net", [pid 6325] write(1, "executing program\n", 18executing program [pid 6322] <... openat resumed>) = 4 [pid 6325] <... write resumed>) = 18 [pid 6324] <... openat resumed>) = 4 [pid 6325] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6325] <... socket resumed>) = 3 [pid 6324] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6322] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] unlink("./88/cgroup.net" [pid 6325] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6322] <... openat resumed>) = 5 [pid 5842] <... unlink resumed>) = 0 [pid 6325] <... sendto resumed>) = 32 [pid 6324] <... openat resumed>) = 5 [pid 6322] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6325] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=90}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6324] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] umount2("./88/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=90}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6325] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... close resumed>) = 0 [pid 6325] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6325] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6325] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6325] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6325] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5842] newfstatat(AT_FDCWD, "./88/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6325] <... openat resumed>) = 5 [pid 5842] unlink("./88/cgroup.cpu") = 0 [pid 6325] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5842] umount2("./88/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./88/cgroup", [pid 6323] <... writev resumed>) = 61440 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./88/cgroup" [pid 6323] close(3) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6323] close(4 [pid 5842] getdents64(3, [pid 6323] <... close resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6325] <... writev resumed>) = 61440 [pid 6323] close(5 [pid 6322] <... writev resumed>) = 61440 [pid 6325] close(3 [pid 6323] <... close resumed>) = 0 [pid 6322] close(3 [pid 6325] <... close resumed>) = 0 [pid 6323] close(6 [pid 6322] <... close resumed>) = 0 [pid 5842] close(3 [pid 6325] close(4 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(4 [pid 6325] <... close resumed>) = 0 [pid 6323] close(7 [pid 6322] <... close resumed>) = 0 [pid 6325] close(5 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(5 [pid 5842] <... close resumed>) = 0 [pid 6325] <... close resumed>) = 0 [pid 6323] close(8 [pid 6322] <... close resumed>) = 0 [pid 5842] rmdir("./88" [pid 6325] close(6 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(6 [pid 5842] <... rmdir resumed>) = 0 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(9 [pid 6325] close(7 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./89", 0777 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(10) = -1 EBADF (Bad file descriptor) [pid 6322] close(7 [pid 5842] <... mkdir resumed>) = 0 [pid 6325] close(8 [pid 6323] close(11 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(8 [pid 6325] close(9 [pid 6323] close(12 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(9 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(10 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(10 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(13 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(11 [pid 6325] close(11 [pid 6323] close(14 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(12 [pid 6325] close(12 [pid 6323] close(15 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(13 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(13./strace-static-x86_64: Process 6326 attached [pid 6323] close(16 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(14 [pid 6325] close(14 [pid 6323] close(17 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(15 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 92 [pid 6325] close(15 [pid 6323] close(18 [pid 6326] set_robust_list(0x5555617a06a0, 24 [pid 6325] <... 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 6325] close(16 [pid 6323] close(19 [pid 6322] close(16 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(20 [pid 6322] close(17 [pid 6325] close(17 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(21 [pid 6325] close(18 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(22 [pid 6322] close(18 [pid 6325] close(19 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(23 [pid 6322] close(19 [pid 6325] close(20) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(21) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(20 [pid 6325] close(22 [pid 6323] close(24 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(21 [pid 6325] close(23 [pid 6323] close(25 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(22 [pid 6325] close(24 [pid 6323] close(26 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(25 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(23 [pid 6325] close(26 [pid 6323] close(27 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] close(27 [pid 6322] close(24 [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(28 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... set_robust_list resumed>) = 0 [pid 6325] close(28 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(25) = -1 EBADF (Bad file descriptor) [pid 6325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(29 [pid 6322] close(26 [pid 6325] close(29) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] exit_group(0 [pid 6323] exit_group(0 [pid 6325] <... exit_group resumed>) = ? [pid 6322] close(27 [pid 6323] <... exit_group resumed>) = ? [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] +++ exited with 0 +++ [pid 6326] chdir("./89" [pid 6322] close(28) = -1 EBADF (Bad file descriptor) [pid 6322] close(29) = -1 EBADF (Bad file descriptor) [pid 6322] exit_group(0) = ? [pid 6323] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6322] +++ exited with 0 +++ [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5838] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6326] <... chdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... openat resumed>) = 3 [pid 6326] <... prctl resumed>) = 0 [pid 6326] setpgid(0, 0 [pid 5838] newfstatat(3, "", [pid 6326] <... setpgid resumed>) = 0 [pid 5840] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6326] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] getdents64(3, [pid 6326] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6324] <... writev resumed>) = 61440 [pid 5840] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6326] <... symlink resumed>) = 0 [pid 6324] close(3 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5838] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6326] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6324] <... close resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 6326] <... symlink resumed>) = 0 [pid 6324] close(4 [pid 5840] newfstatat(3, "", [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6324] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, [pid 6326] <... openat resumed>) = 3 [pid 6324] close(5 [pid 5840] getdents64(3, [pid 5838] newfstatat(AT_FDCWD, "./87/binderfs", [pid 6324] <... close resumed>) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6326] write(3, "1000", 4 [pid 5840] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6326] <... write resumed>) = 4 [pid 6324] close(6 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./87/binderfs" [pid 6326] close(3 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./86/binderfs", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6326] <... close resumed>) = 0 [pid 6324] close(7 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./85/binderfs", [pid 5838] umount2("./87/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6326] symlink("/dev/binderfs", "./binderfs" [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./86/binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6326] <... symlink resumed>) = 0 [pid 6324] close(8 [pid 5840] <... unlink resumed>) = 0 executing program [pid 6326] write(1, "executing program\n", 18 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] unlink("./85/binderfs" [pid 5838] newfstatat(AT_FDCWD, "./87/cgroup.net", [pid 6326] <... write resumed>) = 18 [pid 6324] close(9 [pid 5840] umount2("./86/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6326] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./85/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6326] <... socket resumed>) = 3 [pid 6324] close(10 [pid 5840] newfstatat(AT_FDCWD, "./86/cgroup.net", [pid 5838] unlink("./87/cgroup.net" [pid 6326] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6326] <... sendto resumed>) = 32 [pid 6324] close(11 [pid 5840] unlink("./86/cgroup.net" [pid 5839] newfstatat(AT_FDCWD, "./85/cgroup.net", [pid 6326] recvfrom(3, [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5838] umount2("./87/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6326] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=92}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6324] close(12 [pid 6326] recvfrom(3, [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./86/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6326] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=92}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6324] close(13 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./85/cgroup.net" [pid 5838] newfstatat(AT_FDCWD, "./87/cgroup.cpu", [pid 6326] close(3 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./86/cgroup.cpu", [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6326] <... close resumed>) = 0 [pid 6324] close(14 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./85/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./87/cgroup.cpu" [pid 6326] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./86/cgroup.cpu" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6326] <... socket resumed>) = 3 [pid 6324] close(15 [pid 5840] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./85/cgroup.cpu", [pid 5838] umount2("./87/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6326] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./86/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6326] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6324] close(16 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./85/cgroup.cpu" [pid 5838] newfstatat(AT_FDCWD, "./87/cgroup", [pid 6326] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./86/cgroup", [pid 5839] <... unlink resumed>) = 0 [pid 6326] <... sendmsg resumed>) = 44 [pid 6324] close(17 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6326] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./86/cgroup" [pid 5839] umount2("./85/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./87/cgroup" [pid 6326] <... openat resumed>) = 4 [pid 5840] <... unlink resumed>) = 0 [pid 6326] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6324] close(18 [pid 5840] getdents64(3, [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 6326] <... openat resumed>) = 5 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] newfstatat(AT_FDCWD, "./85/cgroup", [pid 6324] close(19 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] getdents64(3, [pid 6326] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] close(20) = -1 EBADF (Bad file descriptor) [pid 5840] close(3 [pid 5839] unlink("./85/cgroup" [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6324] close(21 [pid 5840] <... close resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] close(3 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./86" [pid 5839] getdents64(3, [pid 5838] <... close resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] mkdir("./87", 0777 [pid 5839] close(3 [pid 5838] rmdir("./87" [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./85" [pid 5838] <... rmdir resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... rmdir resumed>) = 0 [pid 6324] close(22 [pid 5839] mkdir("./86", 0777 [pid 5838] mkdir("./88", 0777 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6327 attached [pid 6324] close(23) = -1 EBADF (Bad file descriptor) [pid 6324] close(24) = -1 EBADF (Bad file descriptor) [pid 6324] close(25 [pid 6327] set_robust_list(0x5555617a06a0, 24 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 90 ./strace-static-x86_64: Process 6328 attached [pid 6327] <... set_robust_list resumed>) = 0 [pid 6324] close(26./strace-static-x86_64: Process 6329 attached [pid 6328] set_robust_list(0x5555617a06a0, 24 [pid 6327] chdir("./87" [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 91 [pid 6329] set_robust_list(0x5555617a06a0, 24 [pid 6328] <... set_robust_list resumed>) = 0 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6324] close(27 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 89 [pid 6328] chdir("./88" [pid 6327] <... chdir resumed>) = 0 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] chdir("./86" [pid 6327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6328] <... chdir resumed>) = 0 [pid 6327] <... prctl resumed>) = 0 [pid 6324] close(28 [pid 6329] <... chdir resumed>) = 0 [pid 6327] setpgid(0, 0 [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6327] <... setpgid resumed>) = 0 [pid 6324] close(29 [pid 6328] <... prctl resumed>) = 0 [pid 6327] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... prctl resumed>) = 0 [pid 6327] <... symlink resumed>) = 0 [pid 6324] exit_group(0 [pid 6329] setpgid(0, 0 [pid 6328] setpgid(0, 0 [pid 6329] <... setpgid resumed>) = 0 [pid 6328] <... setpgid resumed>) = 0 [pid 6327] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6324] <... exit_group resumed>) = ? [pid 6329] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6328] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6327] <... symlink resumed>) = 0 [pid 6329] <... symlink resumed>) = 0 [pid 6328] <... symlink resumed>) = 0 [pid 6327] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6328] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6327] <... symlink resumed>) = 0 [pid 6329] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6328] <... symlink resumed>) = 0 [pid 6329] <... symlink resumed>) = 0 [pid 6328] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6324] +++ exited with 0 +++ [pid 6329] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6328] <... symlink resumed>) = 0 [pid 6327] <... openat resumed>) = 3 [pid 6329] <... symlink resumed>) = 0 [pid 6327] write(3, "1000", 4 [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] <... openat resumed>) = 3 [pid 6328] <... openat resumed>) = 3 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6327] <... write resumed>) = 4 [pid 6327] close(3 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6329] write(3, "1000", 4 [pid 6328] write(3, "1000", 4 [pid 6327] <... close resumed>) = 0 [pid 6329] <... write resumed>) = 4 [pid 6328] <... write resumed>) = 4 [pid 6327] symlink("/dev/binderfs", "./binderfs" [pid 6328] close(3 [pid 6327] <... symlink resumed>) = 0 [pid 6329] close(3 [pid 6328] <... close resumed>) = 0 [pid 6329] <... close resumed>) = 0 [pid 6327] write(1, "executing program\n", 18 [pid 6329] symlink("/dev/binderfs", "./binderfs"executing program [pid 6328] symlink("/dev/binderfs", "./binderfs" [pid 6329] <... symlink resumed>) = 0 [pid 6327] <... write resumed>) = 18 executing program [pid 5835] <... restart_syscall resumed>) = 0 [pid 6328] <... symlink resumed>) = 0 [pid 6327] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6329] write(1, "executing program\n", 18) = 18 [pid 6328] write(1, "executing program\n", 18 [pid 6327] <... socket resumed>) = 3 [pid 6329] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6327] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12executing program [pid 6329] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6328] <... write resumed>) = 18 [pid 6327] <... sendto resumed>) = 32 [pid 5835] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6329] <... sendto resumed>) = 32 [pid 6328] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6327] recvfrom(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6329] recvfrom(3, [pid 6328] <... socket resumed>) = 3 [pid 6327] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=90}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5835] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6329] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=89}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6328] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6327] recvfrom(3, [pid 5835] <... openat resumed>) = 3 [pid 6329] recvfrom(3, [pid 6328] <... sendto resumed>) = 32 [pid 6327] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=90}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5835] newfstatat(3, "", [pid 6329] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=89}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6328] recvfrom(3, [pid 6327] close(3 [pid 6329] close(3 [pid 6328] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=91}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6327] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6329] <... close resumed>) = 0 [pid 6328] recvfrom(3, [pid 6327] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] getdents64(3, [pid 6329] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6328] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=91}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6327] <... socket resumed>) = 3 [pid 6329] <... socket resumed>) = 3 [pid 6328] close(3 [pid 6327] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6329] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6328] <... close resumed>) = 0 [pid 6327] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5835] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6329] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6328] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6327] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6329] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6328] <... socket resumed>) = 3 [pid 6327] <... sendmsg resumed>) = 44 [pid 5835] newfstatat(AT_FDCWD, "./86/binderfs", [pid 6329] <... sendmsg resumed>) = 44 [pid 6328] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6327] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6329] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6327] <... openat resumed>) = 4 [pid 5835] unlink("./86/binderfs" [pid 6329] <... openat resumed>) = 4 [pid 6328] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6327] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6329] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6328] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5835] <... unlink resumed>) = 0 [pid 6329] <... openat resumed>) = 5 [pid 6328] <... sendmsg resumed>) = 44 [pid 6327] <... openat resumed>) = 5 [pid 6329] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6328] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6327] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] umount2("./86/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] <... openat resumed>) = 5 [pid 6328] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5835] newfstatat(AT_FDCWD, "./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./86/cgroup.net") = 0 [pid 6326] <... writev resumed>) = 61440 [pid 5835] umount2("./86/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6326] close(3 [pid 5835] newfstatat(AT_FDCWD, "./86/cgroup.cpu", [pid 6326] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6326] close(4 [pid 5835] unlink("./86/cgroup.cpu" [pid 6326] <... close resumed>) = 0 [pid 6326] close(5) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6328] <... writev resumed>) = 61440 [pid 5835] umount2("./86/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] close(3) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6326] close(6 [pid 5835] newfstatat(AT_FDCWD, "./86/cgroup", [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6328] close(4 [pid 6326] close(7 [pid 5835] unlink("./86/cgroup" [pid 6328] <... close resumed>) = 0 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... unlink resumed>) = 0 [pid 6326] close(8 [pid 5835] getdents64(3, [pid 6329] <... writev resumed>) = 61440 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6329] close(3 [pid 6328] close(5 [pid 6326] close(9 [pid 5835] close(3 [pid 6328] <... close resumed>) = 0 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 6329] <... close resumed>) = 0 [pid 6326] close(10 [pid 5835] rmdir("./86" [pid 6328] close(6 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... rmdir resumed>) = 0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(11 [pid 5835] mkdir("./87", 0777 [pid 6329] close(4 [pid 6328] close(7 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... mkdir resumed>) = 0 [pid 6329] <... close resumed>) = 0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(12 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6329] close(5 [pid 6328] close(8 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(13 [pid 6328] close(9 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(14 [pid 6329] <... close resumed>) = 0 [pid 6328] close(10 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(15 [pid 6329] close(6 [pid 6328] close(11 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(16./strace-static-x86_64: Process 6330 attached [pid 6329] close(7 [pid 6328] close(12 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 90 [pid 6330] set_robust_list(0x5555617a06a0, 24 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... writev resumed>) = 61440 [pid 6326] close(17 [pid 6330] <... set_robust_list resumed>) = 0 [pid 6329] close(8 [pid 6328] close(13 [pid 6327] close(3 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] chdir("./87" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(18 [pid 6330] <... chdir resumed>) = 0 [pid 6329] close(9 [pid 6328] close(14 [pid 6327] <... close resumed>) = 0 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(4 [pid 6326] close(19 [pid 6330] <... prctl resumed>) = 0 [pid 6329] close(10 [pid 6328] close(15 [pid 6327] <... close resumed>) = 0 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] setpgid(0, 0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(5 [pid 6326] close(20 [pid 6330] <... setpgid resumed>) = 0 [pid 6329] close(11 [pid 6328] close(16 [pid 6327] <... close resumed>) = 0 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... symlink resumed>) = 0 [pid 6329] close(12 [pid 6328] close(17 [pid 6327] close(6 [pid 6326] close(21 [pid 6330] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... symlink resumed>) = 0 [pid 6329] close(13 [pid 6328] close(18 [pid 6330] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(7 [pid 6326] close(22 [pid 6330] <... symlink resumed>) = 0 [pid 6329] close(14 [pid 6328] close(19 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... openat resumed>) = 3 [pid 6329] close(15 [pid 6328] close(20 [pid 6327] close(8 [pid 6326] close(23 [pid 6330] write(3, "1000", 4 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... write resumed>) = 4 [pid 6329] close(16 [pid 6328] close(21 [pid 6327] close(9 [pid 6326] close(24 [pid 6330] close(3 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... close resumed>) = 0 [pid 6329] close(17 [pid 6328] close(22 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(25 [pid 6330] symlink("/dev/binderfs", "./binderfs" [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(10 [pid 6330] <... symlink resumed>) = 0 [pid 6329] close(18 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] write(1, "executing program\n", 18) = 18 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(23 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(26 [pid 6330] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6329] close(19 [pid 6330] <... socket resumed>) = 3 [pid 6330] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(11 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... sendto resumed>) = 32 [pid 6329] close(20 [pid 6328] close(24 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(27 [pid 6330] recvfrom(3, [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(12 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(21 [pid 6328] close(25 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(28 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(13 [pid 6330] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=90}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] recvfrom(3, [pid 6329] close(22 [pid 6328] close(26 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(29 [pid 6330] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=90}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6330] close(3 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(14 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... close resumed>) = 0 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6329] close(23 [pid 6328] close(27 [pid 6327] close(15 [pid 6326] exit_group(0 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6327] close(16 [pid 6330] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6328] close(28 [pid 6330] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6329] close(24 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... sendmsg resumed>) = 44 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(17 [pid 6326] <... exit_group resumed>) = ? [pid 6330] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6328] close(29 [pid 6327] close(18 [pid 6329] close(25 [pid 6326] +++ exited with 0 +++ [pid 6330] <... openat resumed>) = 5 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6329] close(26) = -1 EBADF (Bad file descriptor) [pid 6328] exit_group(0 [pid 6327] close(19 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6329] close(27 [pid 6328] <... exit_group resumed>) = ? [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] +++ exited with 0 +++ [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(20 [pid 6329] close(28 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(21 [pid 5842] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6329] close(29 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(22 [pid 5842] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... openat resumed>) = 3 [pid 6329] exit_group(0 [pid 6327] close(23) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 6329] <... exit_group resumed>) = ? [pid 6327] close(24 [pid 6329] +++ exited with 0 +++ [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6327] close(25 [pid 5842] getdents64(3, [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6327] close(26 [pid 5842] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 6327] close(27 [pid 5842] newfstatat(AT_FDCWD, "./89/binderfs", [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(28 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./89/binderfs" [pid 6327] close(29 [pid 5842] <... unlink resumed>) = 0 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./89/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6327] exit_group(0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 6327] <... exit_group resumed>) = ? [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5842] newfstatat(AT_FDCWD, "./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./89/cgroup.net") = 0 [pid 5842] umount2("./89/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./89/cgroup.cpu") = 0 [pid 5842] umount2("./89/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./89/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./89/cgroup" [pid 5839] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] getdents64(3, [pid 5839] <... openat resumed>) = 3 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] newfstatat(3, "", [pid 5838] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] close(3 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... close resumed>) = 0 [pid 5839] getdents64(3, [pid 5838] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] rmdir("./89" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] <... openat resumed>) = 3 [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./90", 0777 [pid 5839] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 6327] +++ exited with 0 +++ [pid 5842] <... mkdir resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] --- 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 5839] newfstatat(AT_FDCWD, "./86/binderfs", [pid 5838] getdents64(3, ./strace-static-x86_64: Process 6331 attached [pid 6331] set_robust_list(0x5555617a06a0, 24 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6331] <... set_robust_list resumed>) = 0 [pid 6331] chdir("./90" [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] unlink("./86/binderfs" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] umount2("./86/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] unlink("./88/binderfs" [pid 5840] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] umount2("./88/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5839] unlink("./86/cgroup.net" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./88/cgroup.net", [pid 5840] getdents64(3, [pid 5839] umount2("./86/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./88/cgroup.net" [pid 5840] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./86/cgroup.cpu", [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./87/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] umount2("./88/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 93 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./87/binderfs" [pid 5839] unlink("./86/cgroup.cpu" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./88/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./87/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./86/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./88/cgroup.cpu" [pid 5840] newfstatat(AT_FDCWD, "./87/cgroup.net", [pid 5838] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./86/cgroup", [pid 5838] umount2("./88/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./87/cgroup.net" [pid 5839] unlink("./86/cgroup" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] umount2("./87/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./88/cgroup", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./87/cgroup.cpu", [pid 5839] getdents64(3, [pid 5838] unlink("./88/cgroup" [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] close(3 [pid 5840] unlink("./87/cgroup.cpu" [pid 5838] getdents64(3, [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... close resumed>) = 0 [pid 5838] close(3 [pid 5840] umount2("./87/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] rmdir("./86") = 0 [pid 5838] <... close resumed>) = 0 [pid 5839] mkdir("./87", 0777 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] rmdir("./88" [pid 5840] newfstatat(AT_FDCWD, "./87/cgroup", [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] unlink("./87/cgroup" [pid 5838] mkdir("./89", 0777 [pid 5840] <... unlink resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./87") = 0 [pid 5840] mkdir("./88", 0777) = 0 ./strace-static-x86_64: Process 6332 attached [pid 6331] <... chdir resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6333 attached ./strace-static-x86_64: Process 6334 attached [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6332] set_robust_list(0x5555617a06a0, 24 [pid 6331] <... prctl resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 90 [pid 6333] set_robust_list(0x5555617a06a0, 24 [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] setpgid(0, 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 92 [pid 6333] <... set_robust_list resumed>) = 0 [pid 6332] chdir("./87" [pid 6331] <... setpgid resumed>) = 0 [pid 6332] <... chdir resumed>) = 0 [pid 6331] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6333] chdir("./89" [pid 6332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6333] <... chdir resumed>) = 0 [pid 6332] <... prctl resumed>) = 0 [pid 6331] <... symlink resumed>) = 0 [pid 6332] setpgid(0, 0) = 0 [pid 6332] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6334] set_robust_list(0x5555617a06a0, 24 [pid 6333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6331] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 91 [pid 6333] <... prctl resumed>) = 0 [pid 6332] <... symlink resumed>) = 0 [pid 6331] <... symlink resumed>) = 0 [pid 6333] setpgid(0, 0 [pid 6332] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6331] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6333] <... setpgid resumed>) = 0 [pid 6332] <... symlink resumed>) = 0 [pid 6333] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6331] <... symlink resumed>) = 0 [pid 6333] <... symlink resumed>) = 0 [pid 6332] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6334] <... set_robust_list resumed>) = 0 [pid 6333] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6332] <... symlink resumed>) = 0 [pid 6331] <... openat resumed>) = 3 [pid 6334] chdir("./88" [pid 6333] <... symlink resumed>) = 0 [pid 6332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6333] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6332] <... openat resumed>) = 3 [pid 6333] <... symlink resumed>) = 0 [pid 6333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6332] write(3, "1000", 4 [pid 6331] write(3, "1000", 4 [pid 6333] <... openat resumed>) = 3 [pid 6332] <... write resumed>) = 4 [pid 6332] close(3 [pid 6331] <... write resumed>) = 4 [pid 6334] <... chdir resumed>) = 0 [pid 6333] write(3, "1000", 4 [pid 6332] <... close resumed>) = 0 [pid 6331] close(3 [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6333] <... write resumed>) = 4 [pid 6332] symlink("/dev/binderfs", "./binderfs" [pid 6331] <... close resumed>) = 0 [pid 6334] <... prctl resumed>) = 0 [pid 6333] close(3 [pid 6332] <... symlink resumed>) = 0 [pid 6334] setpgid(0, 0executing program [pid 6333] <... close resumed>) = 0 [pid 6331] symlink("/dev/binderfs", "./binderfs" [pid 6334] <... setpgid resumed>) = 0 [pid 6332] write(1, "executing program\n", 18 [pid 6334] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6333] symlink("/dev/binderfs", "./binderfs" [pid 6332] <... write resumed>) = 18 [pid 6331] <... symlink resumed>) = 0 [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... symlink resumed>) = 0 [pid 6332] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6331] write(1, "executing program\n", 18 [pid 6333] write(1, "executing program\n", 18executing program executing program [pid 6334] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6333] <... write resumed>) = 18 [pid 6332] <... socket resumed>) = 3 [pid 6331] <... write resumed>) = 18 [pid 6333] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6331] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6332] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... socket resumed>) = 3 [pid 6332] <... sendto resumed>) = 32 [pid 6331] <... socket resumed>) = 3 [pid 6334] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6333] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6332] recvfrom(3, [pid 6331] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... sendto resumed>) = 32 [pid 6332] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=90}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6331] <... sendto resumed>) = 32 [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6333] recvfrom(3, [pid 6332] recvfrom(3, [pid 6331] recvfrom(3, [pid 6334] <... openat resumed>) = 3 [pid 6333] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=92}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6332] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=90}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6331] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=93}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6334] write(3, "1000", 4 [pid 6333] recvfrom(3, [pid 6332] close(3 [pid 6334] <... write resumed>) = 4 [pid 6333] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=92}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6332] <... close resumed>) = 0 [pid 6331] recvfrom(3, [pid 6334] close(3 [pid 6333] close(3 [pid 6331] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=93}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6334] <... close resumed>) = 0 [pid 6333] <... close resumed>) = 0 [pid 6332] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6331] close(3 [pid 6334] symlink("/dev/binderfs", "./binderfs" [pid 6333] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6332] <... socket resumed>) = 3 [pid 6331] <... close resumed>) = 0 [pid 6330] <... writev resumed>) = 61440 [pid 6330] close(3 [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... socket resumed>) = 3 [pid 6332] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6330] <... close resumed>) = 0 [pid 6331] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6334] write(1, "executing program\n", 18 [pid 6333] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" executing program [pid 6332] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6334] <... write resumed>) = 18 [pid 6333] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6332] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6331] <... socket resumed>) = 3 [pid 6330] close(4 [pid 6334] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6333] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6330] <... close resumed>) = 0 [pid 6334] <... socket resumed>) = 3 [pid 6333] <... sendmsg resumed>) = 44 [pid 6332] <... sendmsg resumed>) = 44 [pid 6331] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6330] close(5 [pid 6334] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6333] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6332] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6331] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6330] <... close resumed>) = 0 [pid 6334] <... sendto resumed>) = 32 [pid 6331] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6334] recvfrom(3, [pid 6330] close(6 [pid 6334] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=91}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] recvfrom(3, [pid 6333] <... openat resumed>) = 4 [pid 6332] <... openat resumed>) = 4 [pid 6331] <... sendmsg resumed>) = 44 [pid 6334] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=91}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6330] close(7 [pid 6334] close(3 [pid 6333] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6332] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6331] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = 0 [pid 6330] close(8 [pid 6334] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6333] <... openat resumed>) = 5 [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6330] close(9 [pid 6334] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6332] <... openat resumed>) = 5 [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6330] close(10 [pid 6334] <... sendmsg resumed>) = 44 [pid 6331] <... openat resumed>) = 4 [pid 6334] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6332] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6334] <... openat resumed>) = 4 [pid 6333] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6334] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6330] close(11 [pid 6334] <... openat resumed>) = 5 [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] close(12) = -1 EBADF (Bad file descriptor) [pid 6330] close(13 [pid 6334] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] close(14 [pid 6331] <... openat resumed>) = 5 [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] close(15) = -1 EBADF (Bad file descriptor) [pid 6330] close(16) = -1 EBADF (Bad file descriptor) [pid 6330] close(17) = -1 EBADF (Bad file descriptor) [pid 6330] close(18) = -1 EBADF (Bad file descriptor) [pid 6330] close(19) = -1 EBADF (Bad file descriptor) [pid 6330] close(20 [pid 6331] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] close(21) = -1 EBADF (Bad file descriptor) [pid 6330] close(22) = -1 EBADF (Bad file descriptor) [pid 6330] close(23) = -1 EBADF (Bad file descriptor) [pid 6330] close(24) = -1 EBADF (Bad file descriptor) [pid 6330] close(25) = -1 EBADF (Bad file descriptor) [pid 6330] close(26) = -1 EBADF (Bad file descriptor) [pid 6330] close(27) = -1 EBADF (Bad file descriptor) [pid 6330] close(28) = -1 EBADF (Bad file descriptor) [pid 6330] close(29) = -1 EBADF (Bad file descriptor) [pid 6330] exit_group(0) = ? [pid 6330] +++ exited with 0 +++ [pid 5835] --- 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 5835] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./87/binderfs") = 0 [pid 5835] umount2("./87/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./87/cgroup.net") = 0 [pid 5835] umount2("./87/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./87/cgroup.cpu") = 0 [pid 5835] umount2("./87/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./87/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./87/cgroup") = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3) = 0 [pid 5835] rmdir("./87") = 0 [pid 5835] mkdir("./88", 0777) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6336 attached [pid 6336] set_robust_list(0x5555617a06a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 91 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6336] chdir("./88") = 0 [pid 6336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6336] setpgid(0, 0) = 0 [pid 6336] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6336] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6336] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6336] write(3, "1000", 4) = 4 [pid 6336] close(3) = 0 [pid 6336] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6336] write(1, "executing program\n", 18) = 18 [pid 6336] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6336] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6336] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=91}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6336] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=91}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6336] close(3) = 0 [pid 6336] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6336] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6336] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6336] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6336] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6336] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6334] <... writev resumed>) = 61440 [pid 6334] close(3) = 0 [pid 6334] close(4) = 0 [pid 6331] <... writev resumed>) = 61440 [pid 6334] close(5 [pid 6333] <... writev resumed>) = 61440 [pid 6332] <... writev resumed>) = 61440 [pid 6331] close(3 [pid 6334] <... close resumed>) = 0 [pid 6333] close(3 [pid 6334] close(6 [pid 6332] close(3 [pid 6331] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = 0 [pid 6332] <... close resumed>) = 0 [pid 6334] close(7 [pid 6332] close(4 [pid 6331] close(4 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(4 [pid 6332] <... close resumed>) = 0 [pid 6331] <... close resumed>) = 0 [pid 6334] close(8 [pid 6333] <... close resumed>) = 0 [pid 6332] close(5 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(5 [pid 6332] <... close resumed>) = 0 [pid 6331] close(5 [pid 6334] close(9) = -1 EBADF (Bad file descriptor) [pid 6334] close(10 [pid 6331] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = 0 [pid 6331] close(6 [pid 6334] close(11 [pid 6333] close(6 [pid 6332] close(6 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(12 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(7 [pid 6331] close(7 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(7 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(13 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(8 [pid 6331] close(8 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(8 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(14 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(9 [pid 6331] close(9 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(9 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(15 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(10 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(10 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(10 [pid 6334] close(16 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(11 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(11 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(11 [pid 6334] close(17 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(12 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(12 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(12 [pid 6336] <... writev resumed>) = 61440 [pid 6334] close(18 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(13 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(3 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(13 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(13 [pid 6336] <... close resumed>) = 0 [pid 6334] close(19 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(14 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(4 [pid 6333] close(14 [pid 6331] close(14 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(15 [pid 6331] close(15 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(16 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(5 [pid 6334] close(20 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(15 [pid 6331] close(16 [pid 6336] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(17 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(6 [pid 6334] close(21 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(16 [pid 6331] close(17 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(18 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(7 [pid 6334] close(22 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(17 [pid 6331] close(18 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(19 [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(23 [pid 6332] close(18 [pid 6336] close(8 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(24 [pid 6333] close(20 [pid 6332] close(19 [pid 6331] close(19 [pid 6336] close(9 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(25 [pid 6333] close(21 [pid 6332] close(20 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(10 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(20 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(26 [pid 6333] close(22 [pid 6332] close(21 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(11 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(27 [pid 6333] close(23 [pid 6332] close(22 [pid 6331] close(21 [pid 6336] close(12 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(28 [pid 6333] close(24 [pid 6332] close(23 [pid 6331] close(22 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(13 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(29 [pid 6333] close(25 [pid 6332] close(24 [pid 6331] close(23 [pid 6336] close(14 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] exit_group(0 [pid 6333] close(26 [pid 6332] close(25 [pid 6331] close(24 [pid 6336] close(15 [pid 6334] <... exit_group resumed>) = ? [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] +++ exited with 0 +++ [pid 6333] close(27 [pid 6331] close(25 [pid 6336] close(16 [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] close(28 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6336] close(17 [pid 6331] close(26 [pid 6336] <... 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 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6336] close(18 [pid 6333] close(29 [pid 6332] close(26 [pid 6331] close(27 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] close(27) = -1 EBADF (Bad file descriptor) [pid 6332] close(28) = -1 EBADF (Bad file descriptor) [pid 6332] close(29) = -1 EBADF (Bad file descriptor) [pid 6332] exit_group(0) = ? [pid 6336] close(19 [pid 6333] exit_group(0 [pid 6332] +++ exited with 0 +++ [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... restart_syscall resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... exit_group resumed>) = ? [pid 6331] close(28 [pid 6336] close(20 [pid 5839] --- 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 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] +++ exited with 0 +++ [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] close(21 [pid 6331] close(29 [pid 5840] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6336] close(22 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] exit_group(0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... exit_group resumed>) = ? [pid 5840] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6336] close(23 [pid 5840] <... openat resumed>) = 3 [pid 5839] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] close(24 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6336] close(25 [pid 5840] getdents64(3, [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] close(26 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6336] close(27 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] +++ exited with 0 +++ [pid 5840] newfstatat(AT_FDCWD, "./88/binderfs", [pid 5839] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... openat resumed>) = 3 [pid 6336] close(28) = -1 EBADF (Bad file descriptor) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6336] close(29 [pid 5839] <... openat resumed>) = 3 [pid 5838] newfstatat(3, "", [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./88/binderfs" [pid 5839] newfstatat(3, "", [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6336] exit_group(0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5838] getdents64(3, [pid 6336] <... exit_group resumed>) = ? [pid 5842] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./88/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5838] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6336] +++ exited with 0 +++ [pid 5842] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(AT_FDCWD, "./88/cgroup.net", [pid 5839] newfstatat(AT_FDCWD, "./87/binderfs", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(3, "", [pid 5840] unlink("./88/cgroup.net" [pid 5838] newfstatat(AT_FDCWD, "./89/binderfs", [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5842] getdents64(3, [pid 5840] umount2("./88/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./89/binderfs" [pid 5842] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./88/cgroup.cpu", [pid 5839] unlink("./87/binderfs" [pid 5838] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./90/binderfs", [pid 5838] umount2("./89/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./88/cgroup.cpu" [pid 5839] umount2("./87/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./90/binderfs" [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./89/cgroup.net", [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./90/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./88/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./89/cgroup.net" [pid 5842] newfstatat(AT_FDCWD, "./90/cgroup.net", [pid 5840] newfstatat(AT_FDCWD, "./88/cgroup", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5842] unlink("./90/cgroup.net" [pid 5839] newfstatat(AT_FDCWD, "./87/cgroup.net", [pid 5842] <... unlink resumed>) = 0 [pid 5840] unlink("./88/cgroup" [pid 5838] umount2("./89/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... restart_syscall resumed>) = 0 [pid 5842] umount2("./90/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./90/cgroup.cpu", [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] newfstatat(AT_FDCWD, "./89/cgroup.cpu", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(3 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./90/cgroup.cpu" [pid 5840] <... close resumed>) = 0 [pid 5839] unlink("./87/cgroup.net" [pid 5838] unlink("./89/cgroup.cpu" [pid 5839] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] rmdir("./88" [pid 5838] <... unlink resumed>) = 0 [pid 5842] umount2("./90/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./87/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... rmdir resumed>) = 0 [pid 5838] umount2("./89/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./90/cgroup", [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] mkdir("./89", 0777 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./87/cgroup.cpu", [pid 5838] newfstatat(AT_FDCWD, "./89/cgroup", [pid 5835] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5842] unlink("./90/cgroup" [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./89/cgroup" [pid 5842] <... unlink resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] unlink("./87/cgroup.cpu" [pid 5838] <... unlink resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 5842] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3./strace-static-x86_64: Process 6338 attached ) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6338] set_robust_list(0x5555617a06a0, 24 [pid 5842] rmdir("./90" [pid 5839] umount2("./87/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6338] <... set_robust_list resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 92 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] close(3 [pid 5835] getdents64(3, [pid 6338] chdir("./89" [pid 5839] newfstatat(AT_FDCWD, "./87/cgroup", [pid 5838] <... close resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6338] <... chdir resumed>) = 0 [pid 5838] rmdir("./89" [pid 5835] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] mkdir("./91", 0777 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... rmdir resumed>) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6338] setpgid(0, 0 [pid 5839] unlink("./87/cgroup" [pid 5838] mkdir("./90", 0777 [pid 5835] newfstatat(AT_FDCWD, "./88/binderfs", [pid 6338] <... setpgid resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6338] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5835] unlink("./88/binderfs" [pid 6338] <... symlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5839] getdents64(3, [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] umount2("./88/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6339 attached [pid 6338] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 94 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6339] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] newfstatat(AT_FDCWD, "./88/cgroup.net", [pid 6339] <... set_robust_list resumed>) = 0 [pid 6338] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6340 attached [pid 6339] chdir("./91" [pid 5839] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6339] <... chdir resumed>) = 0 [pid 5839] <... close resumed>) = 0 [pid 5835] unlink("./88/cgroup.net" [pid 5839] rmdir("./87" [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6339] setpgid(0, 0 [pid 6338] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5839] <... rmdir resumed>) = 0 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 93 [pid 5835] umount2("./88/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6340] set_robust_list(0x5555617a06a0, 24 [pid 6339] <... setpgid resumed>) = 0 [pid 6338] <... symlink resumed>) = 0 [pid 5839] mkdir("./88", 0777 [pid 6339] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] <... symlink resumed>) = 0 [pid 6338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... mkdir resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./88/cgroup.cpu", [pid 6340] chdir("./90" [pid 6339] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6340] <... chdir resumed>) = 0 [pid 6339] <... symlink resumed>) = 0 [pid 6338] <... openat resumed>) = 3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6339] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6340] setpgid(0, 0 [pid 6339] <... symlink resumed>) = 0 [pid 6340] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6341 attached [pid 6340] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6338] write(3, "1000", 4 [pid 5835] unlink("./88/cgroup.cpu" [pid 6341] set_robust_list(0x5555617a06a0, 24 [pid 6339] <... openat resumed>) = 3 [pid 6338] <... write resumed>) = 4 [pid 5835] <... unlink resumed>) = 0 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] <... symlink resumed>) = 0 [pid 6338] close(3 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 91 [pid 5835] umount2("./88/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6340] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6339] write(3, "1000", 4 [pid 6338] <... close resumed>) = 0 [pid 5835] newfstatat(AT_FDCWD, "./88/cgroup", [pid 6341] chdir("./88" [pid 6340] <... symlink resumed>) = 0 [pid 6339] <... write resumed>) = 4 [pid 6338] symlink("/dev/binderfs", "./binderfs" [pid 6341] <... chdir resumed>) = 0 [pid 6340] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6339] close(3 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6340] <... symlink resumed>) = 0 [pid 6339] <... close resumed>) = 0 [pid 6338] <... symlink resumed>) = 0 executing program [pid 6341] <... prctl resumed>) = 0 [pid 6338] write(1, "executing program\n", 18 [pid 5835] unlink("./88/cgroup" [pid 6341] setpgid(0, 0 [pid 6340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6339] symlink("/dev/binderfs", "./binderfs" [pid 6341] <... setpgid resumed>) = 0 [pid 6339] <... symlink resumed>) = 0 [pid 6338] <... write resumed>) = 18 [pid 5835] <... unlink resumed>) = 0 [pid 6341] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6340] <... openat resumed>) = 3 [pid 6338] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] getdents64(3, [pid 6340] write(3, "1000", 4 [pid 6339] write(1, "executing program\n", 18 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6338] <... socket resumed>) = 3 [pid 6340] <... write resumed>) = 4 [pid 6340] close(3) = 0 executing program [pid 6341] <... symlink resumed>) = 0 [pid 6340] symlink("/dev/binderfs", "./binderfs" [pid 6339] <... write resumed>) = 18 [pid 5835] close(3 [pid 6338] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6341] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6340] <... symlink resumed>) = 0 [pid 6339] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5835] <... close resumed>) = 0 [pid 6341] <... symlink resumed>) = 0 [pid 6340] write(1, "executing program\n", 18 [pid 6339] <... socket resumed>) = 3 [pid 6338] <... sendto resumed>) = 32 executing program [pid 5835] rmdir("./88" [pid 6341] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6340] <... write resumed>) = 18 [pid 6339] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6338] recvfrom(3, [pid 6341] <... symlink resumed>) = 0 [pid 6340] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6339] <... sendto resumed>) = 32 [pid 6338] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=92}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5835] <... rmdir resumed>) = 0 [pid 6341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6340] <... socket resumed>) = 3 [pid 6339] recvfrom(3, [pid 6338] recvfrom(3, [pid 6341] <... openat resumed>) = 3 [pid 6340] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6339] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=94}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6338] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=92}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5835] mkdir("./89", 0777 [pid 6341] write(3, "1000", 4 [pid 6340] <... sendto resumed>) = 32 [pid 6339] recvfrom(3, [pid 6338] close(3 [pid 6339] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=94}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6338] <... close resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 6341] <... write resumed>) = 4 [pid 6340] recvfrom(3, [pid 6339] close(3 [pid 6338] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6341] close(3 [pid 6340] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=93}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6339] <... close resumed>) = 0 [pid 6338] <... socket resumed>) = 3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6341] <... close resumed>) = 0 [pid 6340] recvfrom(3, [pid 6339] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6341] symlink("/dev/binderfs", "./binderfs" [pid 6340] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=93}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6339] <... socket resumed>) = 3 [pid 6338] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6339] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6338] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6339] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6338] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6339] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6338] <... sendmsg resumed>) = 44 [pid 6339] <... sendmsg resumed>) = 44 [pid 6339] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6341] <... symlink resumed>) = 0 [pid 6338] openat(AT_FDCWD, "/dev/sequencer", O_RDONLYexecuting program [pid 6341] write(1, "executing program\n", 18 [pid 6340] close(3 [pid 6338] <... openat resumed>) = 4 [pid 6341] <... write resumed>) = 18 [pid 6339] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6341] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6340] <... close resumed>) = 0 [pid 6339] <... openat resumed>) = 5 [pid 6338] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME) = 5 [pid 6341] <... socket resumed>) = 3 [pid 6339] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2./strace-static-x86_64: Process 6342 attached [pid 6341] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6340] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6338] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6342] set_robust_list(0x5555617a06a0, 24 [pid 6341] <... sendto resumed>) = 32 [pid 6340] <... socket resumed>) = 3 [pid 6340] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6342] <... set_robust_list resumed>) = 0 [pid 6341] recvfrom(3, [pid 6340] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 92 [pid 6342] chdir("./89" [pid 6340] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6341] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=91}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6341] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=91}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6341] close(3) = 0 [pid 6341] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6342] <... chdir resumed>) = 0 [pid 6340] <... sendmsg resumed>) = 44 [pid 6342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6341] <... socket resumed>) = 3 [pid 6342] setpgid(0, 0 [pid 6341] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6340] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6342] <... setpgid resumed>) = 0 [pid 6341] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6340] <... openat resumed>) = 4 [pid 6342] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6341] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6342] <... symlink resumed>) = 0 [pid 6341] <... sendmsg resumed>) = 44 [pid 6341] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6342] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6340] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6342] <... symlink resumed>) = 0 [pid 6341] <... openat resumed>) = 4 [pid 6340] <... openat resumed>) = 5 [pid 6341] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6340] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6342] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6341] <... openat resumed>) = 5 [pid 6342] <... symlink resumed>) = 0 [pid 6341] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6339] <... writev resumed>) = 61440 [pid 6342] <... openat resumed>) = 3 [pid 6339] close(3 [pid 6342] write(3, "1000", 4 [pid 6339] <... close resumed>) = 0 [pid 6342] <... write resumed>) = 4 [pid 6339] close(4) = 0 [pid 6338] <... writev resumed>) = 61440 [pid 6341] <... writev resumed>) = 61440 [pid 6339] close(5 [pid 6338] close(3 [pid 6341] close(3 [pid 6339] <... close resumed>) = 0 [pid 6338] <... close resumed>) = 0 [pid 6341] <... close resumed>) = 0 [pid 6339] close(6 [pid 6341] close(4 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(4 [pid 6341] <... close resumed>) = 0 [pid 6339] close(7executing program [pid 6338] <... close resumed>) = 0 [pid 6342] close(3 [pid 6341] close(5 [pid 6340] <... writev resumed>) = 61440 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... close resumed>) = 0 [pid 6341] <... close resumed>) = 0 [pid 6340] close(3 [pid 6339] close(8 [pid 6338] close(5 [pid 6342] symlink("/dev/binderfs", "./binderfs" [pid 6341] close(6 [pid 6340] <... close resumed>) = 0 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = 0 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(9 [pid 6338] close(6 [pid 6340] close(4 [pid 6342] <... symlink resumed>) = 0 [pid 6341] close(7 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = 0 [pid 6339] close(10 [pid 6338] close(7 [pid 6341] close(8 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(11 [pid 6338] close(8 [pid 6341] close(9 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(12 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] close(10 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(9 [pid 6341] close(11 [pid 6339] close(13 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] close(12 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(10 [pid 6340] close(5 [pid 6342] write(1, "executing program\n", 18 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(14 [pid 6342] <... write resumed>) = 18 [pid 6341] close(13 [pid 6340] <... close resumed>) = 0 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(15 [pid 6338] close(11 [pid 6342] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6341] close(14 [pid 6340] close(6 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... socket resumed>) = 3 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(16 [pid 6338] close(12 [pid 6342] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6341] close(15 [pid 6340] close(7 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(17 [pid 6338] close(13 [pid 6342] <... sendto resumed>) = 32 [pid 6341] close(16 [pid 6340] close(8 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] recvfrom(3, [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(18 [pid 6338] close(14 [pid 6342] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=92}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6340] close(9 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] recvfrom(3, [pid 6341] close(17 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=92}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6340] close(10 [pid 6338] close(15 [pid 6342] close(3 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(19 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... close resumed>) = 0 [pid 6341] close(18 [pid 6340] close(11 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(16 [pid 6342] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(20 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... socket resumed>) = 3 [pid 6341] close(19 [pid 6340] close(12 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(17 [pid 6342] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(21 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6341] close(20 [pid 6340] close(13 [pid 6342] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... sendmsg resumed>) = 44 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(14 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(18 [pid 6342] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6341] close(21 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(22 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... openat resumed>) = 4 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(15 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(19 [pid 6341] close(22 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(23 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(16 [pid 6342] <... openat resumed>) = 5 [pid 6341] close(23 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(20 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(24 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6341] close(24 [pid 6340] close(17 [pid 6338] close(21 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(18 [pid 6341] close(25 [pid 6339] close(25 [pid 6338] close(22 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] close(26 [pid 6339] close(26 [pid 6338] close(23 [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] close(27 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(27 [pid 6338] close(24 [pid 6341] close(28 [pid 6340] close(19 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(28 [pid 6338] close(25 [pid 6341] close(29) = -1 EBADF (Bad file descriptor) [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] exit_group(0 [pid 6339] close(29 [pid 6338] close(26 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... exit_group resumed>) = ? [pid 6339] exit_group(0 [pid 6340] close(20 [pid 6339] <... exit_group resumed>) = ? [pid 6338] close(27 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(28 [pid 6339] +++ exited with 0 +++ [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(29) = -1 EBADF (Bad file descriptor) [pid 6338] exit_group(0) = ? [pid 6340] close(21) = -1 EBADF (Bad file descriptor) [pid 6341] +++ exited with 0 +++ [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 6340] close(22 [pid 6338] +++ exited with 0 +++ [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6340] close(23) = -1 EBADF (Bad file descriptor) [pid 6340] close(24 [pid 5842] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(25 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6340] close(26 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... openat resumed>) = 3 [pid 6340] close(27 [pid 5840] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 5840] <... openat resumed>) = 3 [pid 6340] close(28 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(3, "", [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6340] close(29 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] getdents64(3, [pid 6340] exit_group(0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] <... exit_group resumed>) = ? [pid 5842] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6340] +++ exited with 0 +++ [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... openat resumed>) = 3 [pid 5842] newfstatat(AT_FDCWD, "./91/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./89/binderfs", [pid 5839] newfstatat(3, "", [pid 5842] unlink("./91/binderfs" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5839] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./91/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./91/cgroup.net", [pid 5839] newfstatat(AT_FDCWD, "./88/binderfs", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./91/cgroup.net" [pid 5839] unlink("./88/binderfs" [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./91/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./88/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./89/binderfs" [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... unlink resumed>) = 0 [pid 5839] newfstatat(AT_FDCWD, "./88/cgroup.net", [pid 5842] newfstatat(AT_FDCWD, "./91/cgroup.cpu", [pid 5840] umount2("./89/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] unlink("./91/cgroup.cpu" [pid 5840] newfstatat(AT_FDCWD, "./89/cgroup.net", [pid 5839] unlink("./88/cgroup.net" [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5842] umount2("./91/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./89/cgroup.net" [pid 5839] umount2("./88/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./88/cgroup.cpu", [pid 5842] newfstatat(AT_FDCWD, "./91/cgroup", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5839] unlink("./88/cgroup.cpu" [pid 5838] restart_syscall(<... resuming interrupted clone ...> [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./91/cgroup" [pid 5839] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./89/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] getdents64(3, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./88/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] newfstatat(AT_FDCWD, "./89/cgroup.cpu", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] close(3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] newfstatat(AT_FDCWD, "./88/cgroup", [pid 5842] <... close resumed>) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] rmdir("./91" [pid 5840] unlink("./89/cgroup.cpu" [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./92", 0777 [pid 5840] <... unlink resumed>) = 0 [pid 5839] unlink("./88/cgroup" [pid 5842] <... mkdir resumed>) = 0 [pid 5840] umount2("./89/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... restart_syscall resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./89/cgroup", [pid 5838] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5838] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] close(3 [pid 5838] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6343 attached [pid 5840] unlink("./89/cgroup" [pid 5839] <... close resumed>) = 0 [pid 6343] set_robust_list(0x5555617a06a0, 24) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5839] rmdir("./88" [pid 6343] chdir("./92" [pid 5838] newfstatat(3, "", [pid 5839] <... rmdir resumed>) = 0 [pid 5840] getdents64(3, [pid 5839] mkdir("./89", 0777 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] getdents64(3, [pid 5840] close(3 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5840] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] rmdir("./89" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... rmdir resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] mkdir("./90", 0777 [pid 5838] unlink("./90/binderfs" [pid 5840] <... mkdir resumed>) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6344 attached [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 95 [pid 5838] umount2("./90/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6344] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 92 [pid 5838] newfstatat(AT_FDCWD, "./90/cgroup.net", [pid 6344] <... set_robust_list resumed>) = 0 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6344] chdir("./89" [pid 6343] <... chdir resumed>) = 0 [pid 5838] unlink("./90/cgroup.net" [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... unlink resumed>) = 0 [pid 6343] <... prctl resumed>) = 0 [pid 5838] umount2("./90/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6343] setpgid(0, 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6344] <... chdir resumed>) = 0 [pid 6343] <... setpgid resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./90/cgroup.cpu", [pid 6343] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6345 attached [pid 6344] <... prctl resumed>) = 0 [pid 5838] unlink("./90/cgroup.cpu" [pid 6345] set_robust_list(0x5555617a06a0, 24 [pid 6344] setpgid(0, 0 [pid 6345] <... set_robust_list resumed>) = 0 [pid 6344] <... setpgid resumed>) = 0 [pid 6343] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 93 [pid 5838] <... unlink resumed>) = 0 [pid 6345] chdir("./90" [pid 6344] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6343] <... symlink resumed>) = 0 [pid 6344] <... symlink resumed>) = 0 [pid 6345] <... chdir resumed>) = 0 [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6344] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6343] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5838] umount2("./90/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6345] <... prctl resumed>) = 0 [pid 6344] <... symlink resumed>) = 0 [pid 6345] setpgid(0, 0 [pid 6344] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6343] <... symlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6345] <... setpgid resumed>) = 0 [pid 6345] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6344] <... symlink resumed>) = 0 [pid 5838] newfstatat(AT_FDCWD, "./90/cgroup", [pid 6344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6345] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6344] <... openat resumed>) = 3 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6345] <... symlink resumed>) = 0 [pid 6344] write(3, "1000", 4 [pid 6343] <... openat resumed>) = 3 [pid 5838] unlink("./90/cgroup" [pid 6345] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6344] <... write resumed>) = 4 [pid 6343] write(3, "1000", 4 [pid 5838] <... unlink resumed>) = 0 [pid 6345] <... symlink resumed>) = 0 [pid 6344] close(3 [pid 6343] <... write resumed>) = 4 [pid 6344] <... close resumed>) = 0 [pid 6343] close(3 [pid 5838] getdents64(3, [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6343] <... close resumed>) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 executing program executing program [pid 6344] symlink("/dev/binderfs", "./binderfs" [pid 6343] symlink("/dev/binderfs", "./binderfs" [pid 5838] close(3 [pid 6345] <... openat resumed>) = 3 [pid 6343] <... symlink resumed>) = 0 [pid 5838] <... close resumed>) = 0 [pid 6344] <... symlink resumed>) = 0 [pid 6344] write(1, "executing program\n", 18 [pid 6343] write(1, "executing program\n", 18 [pid 5838] rmdir("./90" [pid 6345] write(3, "1000", 4 [pid 6344] <... write resumed>) = 18 [pid 6343] <... write resumed>) = 18 [pid 5838] <... rmdir resumed>) = 0 [pid 6345] <... write resumed>) = 4 [pid 6345] close(3 [pid 6344] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6343] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5838] mkdir("./91", 0777 [pid 6345] <... close resumed>) = 0 [pid 6344] <... socket resumed>) = 3 [pid 6343] <... socket resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 6345] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6344] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6343] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6345] write(1, "executing program\n", 18 [pid 6344] <... sendto resumed>) = 32 [pid 6343] <... sendto resumed>) = 32 executing program [pid 6345] <... write resumed>) = 18 [pid 6344] recvfrom(3, [pid 6343] recvfrom(3, [pid 6345] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6344] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=92}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6343] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=95}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 ./strace-static-x86_64: Process 6346 attached [pid 6345] <... socket resumed>) = 3 [pid 6344] recvfrom(3, [pid 6343] recvfrom(3, [pid 6342] <... writev resumed>) = 61440 [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 94 [pid 6346] set_robust_list(0x5555617a06a0, 24 [pid 6345] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6344] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=92}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6343] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=95}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6342] close(3 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6345] <... sendto resumed>) = 32 [pid 6344] close(3 [pid 6343] close(3 [pid 6345] recvfrom(3, [pid 6342] <... close resumed>) = 0 [pid 6346] chdir("./91" [pid 6344] <... close resumed>) = 0 [pid 6342] close(4 [pid 6344] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6343] <... close resumed>) = 0 [pid 6346] <... chdir resumed>) = 0 [pid 6343] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6342] <... close resumed>) = 0 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6345] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=93}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6344] <... socket resumed>) = 3 [pid 6346] <... prctl resumed>) = 0 [pid 6344] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6343] <... socket resumed>) = 3 [pid 6345] recvfrom(3, [pid 6342] close(5 [pid 6346] setpgid(0, 0) = 0 [pid 6346] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6345] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=93}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6344] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6343] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6346] <... symlink resumed>) = 0 [pid 6342] <... close resumed>) = 0 [pid 6346] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6346] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6345] close(3 [pid 6346] write(3, "1000", 4) = 4 [pid 6346] close(3) = 0 [pid 6346] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6344] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6343] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6342] close(6 [pid 6346] write(1, "executing program\n", 18 [pid 6345] <... close resumed>) = 0 [pid 6343] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... write resumed>) = 18 [pid 6344] <... sendmsg resumed>) = 44 [pid 6342] close(7 [pid 6346] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6345] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6343] <... sendmsg resumed>) = 44 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6346] <... socket resumed>) = 3 [pid 6342] close(8 [pid 6346] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6345] <... socket resumed>) = 3 [pid 6344] <... openat resumed>) = 4 [pid 6343] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=94}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6346] recvfrom(3, [pid 6345] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6344] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6343] <... openat resumed>) = 4 [pid 6342] close(9 [pid 6346] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=94}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6346] close(3 [pid 6345] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6344] <... openat resumed>) = 5 [pid 6343] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = 0 [pid 6345] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6346] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6342] close(10 [pid 6346] <... socket resumed>) = 3 [pid 6345] <... sendmsg resumed>) = 44 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6345] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6344] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6343] <... openat resumed>) = 5 [pid 6346] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6346] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 6345] <... openat resumed>) = 4 [pid 6343] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6342] close(11 [pid 6346] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6345] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] close(12) = -1 EBADF (Bad file descriptor) [pid 6346] <... openat resumed>) = 5 [pid 6342] close(13 [pid 6346] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6345] <... openat resumed>) = 5 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6342] close(14) = -1 EBADF (Bad file descriptor) [pid 6342] close(15) = -1 EBADF (Bad file descriptor) [pid 6342] close(16) = -1 EBADF (Bad file descriptor) [pid 6342] close(17) = -1 EBADF (Bad file descriptor) [pid 6343] <... writev resumed>) = 61440 [pid 6342] close(18 [pid 6343] close(3) = 0 [pid 6345] <... writev resumed>) = 61440 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(3 [pid 6342] close(19) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = 0 [pid 6343] close(4 [pid 6342] close(20 [pid 6345] close(4 [pid 6343] <... close resumed>) = 0 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = 0 [pid 6342] close(21 [pid 6345] close(5 [pid 6343] close(5 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = 0 [pid 6342] close(22 [pid 6345] <... close resumed>) = 0 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(6 [pid 6342] close(23 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(7) = -1 EBADF (Bad file descriptor) [pid 6342] close(24 [pid 6345] close(8) = -1 EBADF (Bad file descriptor) [pid 6343] close(6 [pid 6345] close(9 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(7 [pid 6342] close(25 [pid 6345] close(10 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(8 [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(11 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(9 [pid 6342] close(26 [pid 6345] close(12 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(10 [pid 6342] close(27 [pid 6345] close(13 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(11 [pid 6342] close(28 [pid 6345] close(14 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(12 [pid 6345] close(15 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(13 [pid 6342] close(29 [pid 6345] close(16 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(14 [pid 6342] exit_group(0 [pid 6345] close(17 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(15 [pid 6342] <... exit_group resumed>) = ? [pid 6345] close(18 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(16 [pid 6345] close(19) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(20 [pid 6343] close(17 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(18 [pid 6345] close(21) = -1 EBADF (Bad file descriptor) [pid 6345] close(22 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(19 [pid 6345] close(23 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(20 [pid 6345] close(24 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(21 [pid 6345] close(25 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(26 [pid 6343] close(22) = -1 EBADF (Bad file descriptor) [pid 6342] +++ exited with 0 +++ [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(23) = -1 EBADF (Bad file descriptor) [pid 6345] close(27 [pid 6343] close(24 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6345] close(28 [pid 6343] close(25 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] close(29 [pid 6343] close(26 [pid 6345] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] exit_group(0 [pid 6343] close(27 [pid 6345] <... exit_group resumed>) = ? [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] +++ exited with 0 +++ [pid 6343] close(28 [pid 5835] <... restart_syscall resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(29) = -1 EBADF (Bad file descriptor) [pid 6343] exit_group(0 [pid 5835] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6343] <... exit_group resumed>) = ? [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] +++ exited with 0 +++ [pid 5835] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] newfstatat(3, "", [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./89/binderfs" [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5835] umount2("./89/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(3, "", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] newfstatat(AT_FDCWD, "./89/cgroup.net", [pid 5840] getdents64(3, [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] unlink("./89/cgroup.net" [pid 5840] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./89/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] newfstatat(AT_FDCWD, "./90/binderfs", [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... openat resumed>) = 3 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(3, "", [pid 5840] unlink("./90/binderfs" [pid 5835] newfstatat(AT_FDCWD, "./89/cgroup.cpu", [pid 5840] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] getdents64(3, [pid 5835] unlink("./89/cgroup.cpu" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] <... unlink resumed>) = 0 [pid 5842] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./90/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./89/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./92/binderfs", [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(AT_FDCWD, "./89/cgroup", [pid 5842] unlink("./92/binderfs" [pid 5840] unlink("./90/cgroup.net" [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./90/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./92/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] unlink("./89/cgroup" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... unlink resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./90/cgroup.cpu", [pid 5835] getdents64(3, [pid 5842] newfstatat(AT_FDCWD, "./92/cgroup.net", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./90/cgroup.cpu" [pid 5835] close(3 [pid 5842] unlink("./92/cgroup.net" [pid 5840] <... unlink resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5835] rmdir("./89" [pid 5842] umount2("./92/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./90/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... rmdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] mkdir("./90", 0777 [pid 5842] newfstatat(AT_FDCWD, "./92/cgroup.cpu", [pid 5840] newfstatat(AT_FDCWD, "./90/cgroup", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./92/cgroup.cpu" [pid 5840] unlink("./90/cgroup" [pid 5835] <... mkdir resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] getdents64(3, [pid 5842] umount2("./92/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./92/cgroup", [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] close(3 [pid 5842] unlink("./92/cgroup" [pid 5840] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5840] rmdir("./90") = 0 [pid 5840] mkdir("./91", 0777 [pid 5842] getdents64(3, [pid 5840] <... mkdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./92" [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6347 attached [pid 5842] <... rmdir resumed>) = 0 [pid 6347] set_robust_list(0x5555617a06a0, 24 [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 93 [pid 5842] mkdir("./93", 0777 [pid 6347] <... set_robust_list resumed>) = 0 [pid 6347] chdir("./90" [pid 5842] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6348 attached [pid 6347] <... chdir resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6348] set_robust_list(0x5555617a06a0, 24 [pid 6347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] <... set_robust_list resumed>) = 0 [pid 6347] <... prctl resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 94 [pid 6347] setpgid(0, 0 [pid 6344] <... writev resumed>) = 61440 [pid 6348] chdir("./91" [pid 6347] <... setpgid resumed>) = 0 [pid 6344] close(3 [pid 6347] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6344] <... close resumed>) = 0 [pid 6348] <... chdir resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6344] close(4 [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6347] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6344] <... close resumed>) = 0 [pid 6348] <... prctl resumed>) = 0 [pid 6344] close(5 [pid 6347] <... symlink resumed>) = 0 [pid 6344] <... close resumed>) = 0 ./strace-static-x86_64: Process 6349 attached [pid 6348] setpgid(0, 0 [pid 6347] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6344] close(6 [pid 6349] set_robust_list(0x5555617a06a0, 24 [pid 6348] <... setpgid resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 96 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6347] <... symlink resumed>) = 0 [pid 6348] <... symlink resumed>) = 0 [pid 6347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] chdir("./93" [pid 6348] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6347] <... openat resumed>) = 3 [pid 6344] close(7 [pid 6349] <... chdir resumed>) = 0 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... symlink resumed>) = 0 [pid 6344] close(8 [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... prctl resumed>) = 0 [pid 6347] write(3, "1000", 4 [pid 6344] close(9 [pid 6349] setpgid(0, 0 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(10 [pid 6348] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... setpgid resumed>) = 0 [pid 6348] <... symlink resumed>) = 0 [pid 6347] <... write resumed>) = 4 [pid 6344] close(11 [pid 6349] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] close(3 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... symlink resumed>) = 0 [pid 6348] <... openat resumed>) = 3 [pid 6347] <... close resumed>) = 0 [pid 6346] <... writev resumed>) = 61440 [pid 6344] close(12 [pid 6349] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6348] write(3, "1000", 4 [pid 6347] symlink("/dev/binderfs", "./binderfs" [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... symlink resumed>) = 0 [pid 6348] <... write resumed>) = 4 [pid 6347] <... symlink resumed>) = 0 [pid 6346] close(3 [pid 6344] close(13 [pid 6349] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6348] close(3 [pid 6347] write(1, "executing program\n", 18 [pid 6346] <... close resumed>) = 0 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6349] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = 0 [pid 6347] <... write resumed>) = 18 [pid 6346] close(4 [pid 6344] close(14 [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6349] <... openat resumed>) = 3 [pid 6348] symlink("/dev/binderfs", "./binderfs" [pid 6347] <... socket resumed>) = 3 [pid 6346] <... close resumed>) = 0 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] write(3, "1000", 4 [pid 6348] <... symlink resumed>) = 0 [pid 6347] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6346] close(5 [pid 6344] close(15 [pid 6349] <... write resumed>) = 4 executing program [pid 6348] write(1, "executing program\n", 18 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(3 [pid 6348] <... write resumed>) = 18 [pid 6346] <... close resumed>) = 0 [pid 6347] <... sendto resumed>) = 32 [pid 6344] close(16 [pid 6349] <... close resumed>) = 0 [pid 6348] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6346] close(6 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] symlink("/dev/binderfs", "./binderfs" [pid 6348] <... socket resumed>) = 3 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(17 [pid 6349] <... symlink resumed>) = 0 [pid 6348] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6346] close(7 [pid 6349] write(1, "executing program\n", 18 [pid 6348] <... sendto resumed>) = 32 [pid 6347] recvfrom(3, [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6349] <... write resumed>) = 18 [pid 6348] recvfrom(3, [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(18 [pid 6347] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=93}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6349] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6348] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=94}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6347] recvfrom(3, [pid 6346] close(8 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... socket resumed>) = 3 [pid 6348] recvfrom(3, [pid 6347] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=93}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(19 [pid 6349] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6348] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=94}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6347] close(3 [pid 6346] close(9 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... sendto resumed>) = 32 [pid 6348] close(3 [pid 6347] <... close resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(20 [pid 6349] recvfrom(3, [pid 6348] <... close resumed>) = 0 [pid 6347] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6346] close(10 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=96}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6348] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6347] <... socket resumed>) = 3 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(21 [pid 6349] recvfrom(3, [pid 6348] <... socket resumed>) = 3 [pid 6346] close(11 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=96}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6348] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6347] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(22 [pid 6349] close(3 [pid 6348] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6347] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6346] close(12 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = 0 [pid 6348] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6347] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(23 [pid 6349] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6348] <... sendmsg resumed>) = 44 [pid 6346] close(13 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... socket resumed>) = 3 [pid 6348] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6347] <... sendmsg resumed>) = 44 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(24 [pid 6349] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6348] <... openat resumed>) = 4 [pid 6347] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6346] close(14 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6344] close(25 [pid 6349] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6348] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6347] <... openat resumed>) = 4 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... sendmsg resumed>) = 44 [pid 6348] <... openat resumed>) = 5 [pid 6347] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6349] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6348] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6346] close(15 [pid 6344] close(26 [pid 6349] <... openat resumed>) = 4 [pid 6347] <... openat resumed>) = 5 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6347] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... openat resumed>) = 5 [pid 6346] close(16 [pid 6344] close(27) = -1 EBADF (Bad file descriptor) [pid 6349] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(28 [pid 6346] close(17 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] close(29 [pid 6346] close(18 [pid 6344] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] exit_group(0 [pid 6346] close(19 [pid 6344] <... exit_group resumed>) = ? [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] +++ exited with 0 +++ [pid 6346] close(20) = -1 EBADF (Bad file descriptor) [pid 6346] close(21) = -1 EBADF (Bad file descriptor) [pid 6346] close(22) = -1 EBADF (Bad file descriptor) [pid 6346] close(23) = -1 EBADF (Bad file descriptor) [pid 6346] close(24) = -1 EBADF (Bad file descriptor) [pid 6346] close(25) = -1 EBADF (Bad file descriptor) [pid 6346] close(26) = -1 EBADF (Bad file descriptor) [pid 6346] close(27) = -1 EBADF (Bad file descriptor) [pid 6346] close(28) = -1 EBADF (Bad file descriptor) [pid 6346] close(29) = -1 EBADF (Bad file descriptor) [pid 6346] exit_group(0) = ? [pid 5839] --- 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 6346] +++ exited with 0 +++ [pid 5839] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5839] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5839] newfstatat(3, "", [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] getdents64(3, 0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] unlink("./89/binderfs" [pid 5838] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5839] umount2("./89/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(3, "", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] newfstatat(AT_FDCWD, "./89/cgroup.net", [pid 5838] getdents64(3, [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] unlink("./89/cgroup.net" [pid 5838] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./91/binderfs", [pid 5839] umount2("./89/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] unlink("./91/binderfs" [pid 5839] newfstatat(AT_FDCWD, "./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] <... unlink resumed>) = 0 [pid 5839] unlink("./89/cgroup.cpu" [pid 5838] umount2("./91/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... unlink resumed>) = 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./89/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5838] newfstatat(AT_FDCWD, "./91/cgroup.net", [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./89/cgroup", [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5838] unlink("./91/cgroup.net" [pid 5839] unlink("./89/cgroup" [pid 5838] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5838] umount2("./91/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5839] close(3 [pid 5838] newfstatat(AT_FDCWD, "./91/cgroup.cpu", [pid 5839] <... close resumed>) = 0 [pid 5839] rmdir("./89" [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 5839] mkdir("./90", 0777 [pid 5838] unlink("./91/cgroup.cpu") = 0 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] umount2("./91/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] newfstatat(AT_FDCWD, "./91/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6348] <... writev resumed>) = 61440 [pid 5838] unlink("./91/cgroup" [pid 6348] close(3 [pid 5838] <... unlink resumed>) = 0 [pid 6348] <... close resumed>) = 0 [pid 6348] close(4 [pid 5838] getdents64(3, 0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6348] <... close resumed>) = 0 [pid 5838] close(3) = 0 [pid 5838] rmdir("./91") = 0 [pid 6348] close(5 [pid 5838] mkdir("./92", 0777 [pid 6348] <... close resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6350 attached [pid 6348] close(6 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6350] set_robust_list(0x5555617a06a0, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 93 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... set_robust_list resumed>) = 0 [pid 6348] close(7) = -1 EBADF (Bad file descriptor) [pid 6350] chdir("./90" [pid 6348] close(8) = -1 EBADF (Bad file descriptor) [pid 6350] <... chdir resumed>) = 0 [pid 6348] close(9) = -1 EBADF (Bad file descriptor) [pid 6348] close(10) = -1 EBADF (Bad file descriptor) [pid 6348] close(11 [pid 6350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... prctl resumed>) = 0 [pid 6348] close(12 [pid 6350] setpgid(0, 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(13./strace-static-x86_64: Process 6351 attached [pid 6350] <... setpgid resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 95 [pid 6348] close(14 [pid 6350] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6351] set_robust_list(0x5555617a06a0, 24 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... set_robust_list resumed>) = 0 [pid 6350] <... symlink resumed>) = 0 [pid 6351] chdir("./92" [pid 6348] close(15 [pid 6351] <... chdir resumed>) = 0 [pid 6350] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6350] <... symlink resumed>) = 0 [pid 6348] close(16 [pid 6351] <... prctl resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] setpgid(0, 0 [pid 6350] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6348] close(17) = -1 EBADF (Bad file descriptor) [pid 6351] <... setpgid resumed>) = 0 [pid 6350] <... symlink resumed>) = 0 [pid 6348] close(18 [pid 6351] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] close(19 [pid 6350] <... openat resumed>) = 3 [pid 6350] write(3, "1000", 4 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... write resumed>) = 4 [pid 6348] close(20) = -1 EBADF (Bad file descriptor) [pid 6351] <... symlink resumed>) = 0 [pid 6348] close(21 [pid 6350] close(3 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6350] <... close resumed>) = 0 [pid 6350] symlink("/dev/binderfs", "./binderfs" [pid 6348] close(22 [pid 6351] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... symlink resumed>) = 0 [pid 6351] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6350] write(1, "executing program\n", 18 [pid 6348] close(23 [pid 6351] <... symlink resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6350] <... write resumed>) = 18 [pid 6348] close(24) = -1 EBADF (Bad file descriptor) [pid 6350] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6348] close(25 [pid 6351] <... openat resumed>) = 3 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... socket resumed>) = 3 [pid 6348] close(26 [pid 6351] write(3, "1000", 4 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(27 [pid 6351] <... write resumed>) = 4 [pid 6350] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] close(3 [pid 6350] <... sendto resumed>) = 32 [pid 6348] close(28 [pid 6351] <... close resumed>) = 0 [pid 6350] recvfrom(3, [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6350] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=93}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6348] close(29 executing program [pid 6351] write(1, "executing program\n", 18 [pid 6350] recvfrom(3, [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... write resumed>) = 18 [pid 6350] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=93}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6348] exit_group(0 [pid 6351] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6350] close(3 [pid 6348] <... exit_group resumed>) = ? [pid 6351] <... socket resumed>) = 3 [pid 6350] <... close resumed>) = 0 [pid 6351] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6350] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6348] +++ exited with 0 +++ [pid 6351] <... sendto resumed>) = 32 [pid 6350] <... socket resumed>) = 3 [pid 6350] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6351] recvfrom(3, [{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=95}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6350] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5840] --- 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 6351] recvfrom(3, [pid 6350] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6351] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=95}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6350] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6351] close(3 [pid 6350] <... openat resumed>) = 4 [pid 6351] <... close resumed>) = 0 [pid 6351] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6350] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6351] <... socket resumed>) = 3 [pid 6350] <... openat resumed>) = 5 [pid 6351] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0", ifr_ifindex=11}) = 0 [pid 6350] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6351] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6347] <... writev resumed>) = 61440 [pid 6351] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6349] <... writev resumed>) = 61440 [pid 6347] close(3 [pid 6351] <... openat resumed>) = 4 [pid 6349] close(3 [pid 6347] <... close resumed>) = 0 [pid 5840] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6351] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6347] close(4 [pid 6351] <... openat resumed>) = 5 [pid 6349] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6349] close(4 [pid 5840] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6347] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 6349] <... close resumed>) = 0 [pid 6347] close(5 [pid 6349] close(5 [pid 6347] <... close resumed>) = 0 [pid 5840] newfstatat(3, "", [pid 6349] <... close resumed>) = 0 [pid 6347] close(6 [pid 6350] <... writev resumed>) = 61440 [pid 6349] close(6 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6350] close(3 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(7 [pid 6350] <... close resumed>) = 0 [pid 6349] close(7 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(4 [pid 6349] close(8 [pid 6347] close(8 [pid 6350] <... close resumed>) = 0 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(5 [pid 6349] close(9 [pid 6347] close(9) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(10 [pid 6350] <... close resumed>) = 0 [pid 6349] close(10 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(6 [pid 6349] close(11 [pid 6347] close(11 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(7 [pid 6349] close(12 [pid 6347] close(12 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(13 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(8 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(13 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(9 [pid 6349] close(14 [pid 6347] close(14 [pid 5840] getdents64(3, [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(10 [pid 6349] close(15 [pid 6347] close(15 [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(11 [pid 6349] close(16 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(12 [pid 6349] close(17 [pid 6347] close(16 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(13 [pid 6349] close(18 [pid 6347] close(17 [pid 5840] newfstatat(AT_FDCWD, "./91/binderfs", [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(14 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(18 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(19 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./91/binderfs" [pid 6350] close(15 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(19 [pid 5840] <... unlink resumed>) = 0 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(20 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./91/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6350] close(16 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(20 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(21 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(17 [pid 6347] close(21 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(18 [pid 5840] newfstatat(AT_FDCWD, "./91/cgroup.net", [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(22 [pid 6347] close(22 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] close(19 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./91/cgroup.net" [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(23 [pid 6347] close(23 [pid 6350] close(20 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(24 [pid 6347] close(24 [pid 5840] umount2("./91/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6350] close(21 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(22 [pid 6349] close(25 [pid 6347] close(25 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./91/cgroup.cpu", [pid 6350] close(23 [pid 6349] close(26 [pid 6347] close(26 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] close(24 [pid 6349] close(27 [pid 6347] close(27 [pid 5840] unlink("./91/cgroup.cpu" [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6350] close(25 [pid 6347] close(28 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(28 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./91/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6350] close(26 [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(29 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] close(29 [pid 6350] close(27 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] exit_group(0 [pid 5840] newfstatat(AT_FDCWD, "./91/cgroup", [pid 6350] close(28 [pid 6349] exit_group(0 [pid 6347] <... exit_group resumed>) = ? [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] +++ exited with 0 +++ [pid 6350] close(29 [pid 6349] <... exit_group resumed>) = ? [pid 5840] unlink("./91/cgroup" [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6350] exit_group(0) = ? [pid 5840] getdents64(3, [pid 6350] +++ exited with 0 +++ [pid 5840] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./91" [pid 6349] +++ exited with 0 +++ [pid 5840] <... rmdir resumed>) = 0 [pid 5840] mkdir("./92", 0777) = 0 [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5839] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5839] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6352 attached [pid 5842] <... restart_syscall resumed>) = 0 [pid 6352] set_robust_list(0x5555617a06a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x5555617a0690) = 95 [pid 6352] <... set_robust_list resumed>) = 0 [pid 5839] newfstatat(3, "", [pid 6352] chdir("./92" [pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5835] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6352] <... chdir resumed>) = 0 [pid 5842] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5835] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6352] <... prctl resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5835] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 6352] setpgid(0, 0 [pid 5839] newfstatat(AT_FDCWD, "./90/binderfs", [pid 5835] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] getdents64(3, [pid 6352] <... setpgid resumed>) = 0 [pid 5842] newfstatat(3, "", [pid 5839] unlink("./90/binderfs" [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6352] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6352] <... symlink resumed>) = 0 [pid 5835] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] getdents64(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 5839] umount2("./90/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] <... symlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] newfstatat(AT_FDCWD, "./90/cgroup.net", [pid 5835] unlink("./90/binderfs" [pid 6352] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5842] newfstatat(AT_FDCWD, "./93/binderfs", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6352] <... symlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] unlink("./93/binderfs" [pid 5839] unlink("./90/cgroup.net" [pid 5835] umount2("./90/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6352] <... openat resumed>) = 3 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 6352] write(3, "1000", 4 [pid 5842] umount2("./93/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./90/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./90/cgroup.net", [pid 6352] <... write resumed>) = 4 [pid 5839] newfstatat(AT_FDCWD, "./90/cgroup.cpu", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] close(3 [pid 5842] newfstatat(AT_FDCWD, "./93/cgroup.net", [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] unlink("./90/cgroup.net" [pid 6352] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] unlink("./90/cgroup.cpu" [pid 5835] <... unlink resumed>) = 0 [pid 6352] symlink("/dev/binderfs", "./binderfs" [pid 5842] unlink("./93/cgroup.net" [pid 5839] <... unlink resumed>) = 0 [pid 5835] umount2("./90/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6352] <... symlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 6352] write(1, "executing program\n", 18 [pid 5842] umount2("./93/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] umount2("./90/cgroup", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] <... write resumed>) = 18 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] newfstatat(AT_FDCWD, "./90/cgroup.cpu", [pid 6352] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6351] <... writev resumed>) = 61440 [pid 5842] newfstatat(AT_FDCWD, "./93/cgroup.cpu", [pid 5839] newfstatat(AT_FDCWD, "./90/cgroup", [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] <... socket resumed>) = 3 [pid 6351] close(3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6351] <... close resumed>) = 0 [pid 5842] unlink("./93/cgroup.cpu" [pid 5839] unlink("./90/cgroup" [pid 5835] unlink("./90/cgroup.cpu" [pid 6352] <... sendto resumed>) = 32 [pid 6351] close(4 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... unlink resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 6352] recvfrom(3, [pid 6351] <... close resumed>) = 0 [pid 5842] umount2("./93/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5839] getdents64(3, [pid 5835] umount2("./90/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6352] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=95}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] recvfrom(3, [pid 6351] close(5 [pid 5839] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=95}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6351] <... close resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./93/cgroup", [pid 5839] close(3 [pid 5835] newfstatat(AT_FDCWD, "./90/cgroup", [pid 6352] close(3 [pid 6351] close(6 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5839] <... close resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] <... close resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./93/cgroup" [pid 5839] rmdir("./90" [pid 5835] unlink("./90/cgroup" [pid 6352] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6351] close(7 [pid 5842] <... unlink resumed>) = 0 [pid 5839] <... rmdir resumed>) = 0 [pid 6352] <... socket resumed>) = 3 [pid 6352] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5835] <... unlink resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 5839] mkdir("./91", 0777 [pid 6352] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6351] close(8 [pid 5842] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] getdents64(3, [pid 6352] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 5835] close(3 [pid 6351] close(9 [pid 5835] <... close resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] <... mkdir resumed>) = 0 [pid 5835] rmdir("./90" [pid 6352] <... sendmsg resumed>) = 44 [pid 6351] close(10 [pid 5842] close(3 [pid 6352] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5842] <... close resumed>) = 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6352] <... openat resumed>) = 4 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./93" [pid 5835] <... rmdir resumed>) = 0 [pid 6352] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 6351] close(11 [pid 5842] <... rmdir resumed>) = 0 [pid 5835] mkdir("./91", 0777./strace-static-x86_64: Process 6353 attached [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./94", 0777 [pid 6353] set_robust_list(0x5555617a06a0, 24 [pid 6351] close(12 [pid 5839] <... clone resumed>, child_tidptr=0x5555617a0690) = 94 [pid 6352] <... openat resumed>) = 5 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 6353] <... set_robust_list resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 6352] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6351] close(13 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6353] chdir("./91" [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6351] close(14 [pid 6353] <... chdir resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6351] close(15 [pid 6353] <... prctl resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] setpgid(0, 0 [pid 6351] close(16 [pid 6353] <... setpgid resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6351] close(17) = -1 EBADF (Bad file descriptor) [pid 6351] close(18) = -1 EBADF (Bad file descriptor) [pid 6351] close(19 [pid 6353] <... symlink resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] close(20 [pid 6353] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6354 attached [pid 6351] close(21) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6355 attached [pid 6354] set_robust_list(0x5555617a06a0, 24 [pid 6353] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6351] close(22 [pid 5842] <... clone resumed>, child_tidptr=0x5555617a0690) = 97 [pid 6354] <... set_robust_list resumed>) = 0 [pid 6353] <... symlink resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] set_robust_list(0x5555617a06a0, 24 [pid 6354] chdir("./94" [pid 6351] close(23 [pid 6355] <... set_robust_list resumed>) = 0 [pid 6353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] chdir("./91") = 0 [pid 6354] <... chdir resumed>) = 0 [pid 6353] <... openat resumed>) = 3 [pid 6351] close(24 [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] write(3, "1000", 4 [pid 6351] close(25 [pid 6355] <... prctl resumed>) = 0 [pid 6354] <... prctl resumed>) = 0 [pid 6353] <... write resumed>) = 4 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... clone resumed>, child_tidptr=0x5555617a0690) = 94 [pid 6355] setpgid(0, 0 [pid 6354] setpgid(0, 0 [pid 6353] close(3 [pid 6351] close(26 [pid 6355] <... setpgid resumed>) = 0 [pid 6354] <... setpgid resumed>) = 0 [pid 6353] <... close resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6354] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6353] symlink("/dev/binderfs", "./binderfs" [pid 6351] close(27 [pid 6355] <... symlink resumed>) = 0 [pid 6354] <... symlink resumed>) = 0 [pid 6353] <... symlink resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6354] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 executing program [pid 6353] write(1, "executing program\n", 18 [pid 6351] close(28 [pid 6355] <... symlink resumed>) = 0 [pid 6354] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6353] <... write resumed>) = 18 [pid 6355] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6353] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... symlink resumed>) = 0 [pid 6354] <... symlink resumed>) = 0 [pid 6353] <... socket resumed>) = 3 [pid 6351] close(29 [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6353] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... openat resumed>) = 3 [pid 6354] <... openat resumed>) = 3 [pid 6353] <... sendto resumed>) = 32 [pid 6351] exit_group(0 [pid 6355] write(3, "1000", 4 [pid 6354] write(3, "1000", 4 [pid 6353] recvfrom(3, [pid 6351] <... exit_group resumed>) = ? [pid 6355] <... write resumed>) = 4 [pid 6351] +++ exited with 0 +++ [pid 6354] <... write resumed>) = 4 [pid 6353] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=94}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6355] close(3 [pid 6354] close(3 [pid 6353] recvfrom(3, [pid 6355] <... close resumed>) = 0 [pid 6354] <... close resumed>) = 0 [pid 6353] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=94}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6355] symlink("/dev/binderfs", "./binderfs" [pid 6354] symlink("/dev/binderfs", "./binderfs" [pid 6353] close(3 [pid 6355] <... symlink resumed>) = 0 [pid 6354] <... symlink resumed>) = 0 [pid 6353] <... close resumed>) = 0 executing program [pid 6355] write(1, "executing program\n", 18 [pid 6353] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6355] <... write resumed>) = 18 executing program [pid 6354] write(1, "executing program\n", 18 [pid 6353] <... socket resumed>) = 3 [pid 5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6355] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6354] <... write resumed>) = 18 [pid 6353] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6355] <... socket resumed>) = 3 [pid 6354] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6353] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5838] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6355] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 6354] <... socket resumed>) = 3 [pid 6353] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] <... sendto resumed>) = 32 [pid 6354] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5838] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6355] recvfrom(3, [pid 6354] <... sendto resumed>) = 32 [pid 6353] <... sendmsg resumed>) = 44 [pid 5838] <... openat resumed>) = 3 [pid 6355] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=94}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6354] recvfrom(3, [pid 6355] recvfrom(3, [pid 6354] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=97}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 6353] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 5838] newfstatat(3, "", [pid 6355] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=94}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6354] recvfrom(3, [pid 6353] <... openat resumed>) = 4 [pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6355] close(3 [pid 6354] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=97}, {error=0, msg={nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 6353] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5838] getdents64(3, [pid 6355] <... close resumed>) = 0 [pid 6354] close(3 [pid 6353] <... openat resumed>) = 5 [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 6 entries */, 32768) = 176 [pid 6355] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6354] <... close resumed>) = 0 [pid 6355] <... socket resumed>) = 3 [pid 6354] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 6353] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 5838] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6355] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 6354] <... socket resumed>) = 3 [pid 6355] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6354] ioctl(3, SIOCGIFINDEX, {ifr_name="wlan0" [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6354] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 6354] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 44 [pid 6354] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY [pid 6355] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x2c\x00\x00\x00\x24\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x08\x00\x26\x00\x94\x09\x00\x00\x08\x00\xb7\x00\xa5\x00\x00\x00", iov_len=44}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 6354] <... openat resumed>) = 4 [pid 5838] newfstatat(AT_FDCWD, "./92/binderfs", [pid 6355] <... sendmsg resumed>) = 44 [pid 6354] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6354] <... openat resumed>) = 5 [pid 5838] unlink("./92/binderfs") = 0 [pid 6354] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6355] openat(AT_FDCWD, "/dev/sequencer", O_RDONLY) = 4 [pid 5838] umount2("./92/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5838] newfstatat(AT_FDCWD, "./92/cgroup.net", [pid 6355] openat(AT_FDCWD, "/dev/snd/midiC2D0", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6355] <... openat resumed>) = 5 [ 178.796512][ C1] ------------[ cut here ]------------ [ 178.802322][ C1] WARNING: CPU: 1 PID: 26 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x1202/0x15c0 [ 178.812342][ C1] Modules linked in: [ 178.816492][ C1] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:0H Not tainted 6.14.0-rc2-next-20250210-syzkaller #0 [ 178.826830][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 178.837068][ C1] Workqueue: events_highpri snd_vmidi_output_work [ 178.843649][ C1] RIP: 0010:__ieee80211_beacon_get+0x1202/0x15c0 [ 178.850109][ C1] Code: e8 63 71 4a f6 eb 0d e8 5c 71 4a f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 fc e3 a5 f6 45 31 ed e9 4c fe ff ff e8 3f 71 4a f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 31 71 4a f6 90 0f 0b 90 e9 e8 f8 ff ff [ 178.870034][ C1] RSP: 0018:ffffc90000a189e0 EFLAGS: 00010246 [ 178.876235][ C1] RAX: ffffffff8b751881 RBX: 0000000000000000 RCX: ffff88801d6f3c00 [ 178.884335][ C1] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 178.892448][ C1] RBP: dffffc0000000000 R08: ffffffff8b750f7d R09: ffffffff8b750980 [ 178.900580][ C1] R10: 0000000000000003 R11: ffff88801d6f3c00 R12: ffff888077842500 [ 178.908715][ C1] R13: ffff88801f7b3800 R14: ffff8880778429d0 R15: ffff888077840d80 [ 178.916863][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 178.925965][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.932697][ C1] CR2: 0000400000007000 CR3: 0000000077d88000 CR4: 00000000003526f0 [ 178.940827][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.948949][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.957082][ C1] Call Trace: [ 178.960427][ C1] [ 178.963331][ C1] ? __warn+0x165/0x4d0 [ 178.967597][ C1] ? __ieee80211_beacon_get+0x1202/0x15c0 [ 178.973455][ C1] ? report_bug+0x2b3/0x500 [ 178.978085][ C1] ? __ieee80211_beacon_get+0x1202/0x15c0 [ 178.983928][ C1] ? handle_bug+0x60/0x90 [ 178.988354][ C1] ? exc_invalid_op+0x1a/0x50 [ 178.993122][ C1] ? asm_exc_invalid_op+0x1a/0x20 [ 178.998278][ C1] ? __ieee80211_beacon_get+0x300/0x15c0 [ 179.004056][ C1] ? __ieee80211_beacon_get+0x8fd/0x15c0 [ 179.009837][ C1] ? __ieee80211_beacon_get+0x1201/0x15c0 [ 179.015686][ C1] ? __ieee80211_beacon_get+0x1202/0x15c0 [ 179.021533][ C1] ? __ieee80211_beacon_get+0x36/0x15c0 [ 179.027235][ C1] ieee80211_beacon_get_tim+0xb4/0x320 [ 179.032815][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 179.038955][ C1] mac80211_hwsim_beacon_tx+0x39d/0x850 [ 179.044561][ C1] __iterate_interfaces+0x297/0x570 [ 179.049814][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 179.055924][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 179.062024][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x170 [ 179.069306][ C1] ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 [ 179.076402][ C1] mac80211_hwsim_beacon+0xd4/0x1f0 [ 179.081672][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 179.087543][ C1] __hrtimer_run_queues+0x59b/0xd30 [pid 5838] unlink("./92/cgroup.net"executing program [pid 6355] writev(5, [{iov_base="\x94\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x64\x65\x76\x2f\x73\x65\x71\x75\x65\x6e\x63\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=61440}, {iov_base=NULL, iov_len=0}], 2 [pid 6353] <... writev resumed>) = 61440 [pid 6352] <... writev resumed>) = 61440 [pid 5838] <... unlink resumed>) = 0 [pid 6353] close(3 [pid 6352] close(3 [pid 6353] <... close resumed>) = 0 [pid 6352] <... close resumed>) = 0 [pid 5838] umount2("./92/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6353] close(4 [pid 6352] close(4 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] <... close resumed>) = 0 [pid 6352] <... close resumed>) = 0 [pid 6355] <... writev resumed>) = 61440 [pid 6355] close(3) = 0 [pid 5838] newfstatat(AT_FDCWD, "./92/cgroup.cpu", [pid 6355] close(4 [pid 6353] close(5 [pid 6352] close(5 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6355] <... close resumed>) = 0 [pid 6353] <... close resumed>) = 0 [pid 6352] <... close resumed>) = 0 [pid 5838] unlink("./92/cgroup.cpu" [pid 6355] close(5 [pid 6352] close(6 [pid 5838] <... unlink resumed>) = 0 [pid 6355] <... close resumed>) = 0 [pid 6353] close(6 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] umount2("./92/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(7 [pid 5838] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] close(7 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] newfstatat(AT_FDCWD, "./92/cgroup", [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(8 [pid 5838] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6353] close(8 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(6 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(9 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(9 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] unlink("./92/cgroup" [pid 6355] close(7 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(10 [pid 5838] <... unlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(8) = -1 EBADF (Bad file descriptor) [pid 6353] close(10 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(9 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(11 [pid 5838] getdents64(3, [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(11 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... getdents64 resumed>0x5555617a1850 /* 0 entries */, 32768) = 0 [pid 6352] close(12 [pid 5838] close(3 [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... close resumed>) = 0 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] close(13 [pid 5838] rmdir("./92" [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(10 [pid 6352] close(14 [pid 5838] <... rmdir resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(12 [pid 5838] mkdir("./93", 0777 [pid 6355] close(11 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mkdir resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(13 [pid 6352] close(15 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6355] close(12 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(13 [pid 6353] close(14 [pid 6352] close(16 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(14 [pid 6353] close(15 [pid 6352] close(17 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(15 [pid 6353] close(16 [pid 6352] close(18 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(16 [pid 6353] close(17 [pid 6352] close(19./strace-static-x86_64: Process 6356 attached [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] set_robust_list(0x5555617a06a0, 24 [pid 6355] close(17 [pid 6353] close(18 [pid 6352] close(20 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... clone resumed>, child_tidptr=0x5555617a0690) = 96 [pid 6356] chdir("./93" [pid 6355] close(18 [pid 6353] close(19 [pid 6352] close(21 [pid 6356] <... chdir resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6355] close(19 [pid 6353] close(20 [pid 6352] close(22 [pid 6356] <... prctl resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] setpgid(0, 0 [pid 6355] close(20 [pid 6353] close(21 [pid 6352] close(23 [pid 6356] <... setpgid resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6355] close(21 [pid 6353] close(22 [pid 6352] close(24 [pid 6356] <... symlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6355] close(22 [pid 6353] close(23 [pid 6352] close(25 [pid 6356] <... symlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6355] close(23 [pid 6353] close(24 [pid 6352] close(26 [pid 6356] <... symlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6355] close(24 [pid 6353] close(25 [pid 6352] close(27 [pid 6356] <... openat resumed>) = 3 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] write(3, "1000", 4 [pid 6355] close(25 [pid 6353] close(26 [pid 6352] close(28 [pid 6356] <... write resumed>) = 4 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] close(3 [pid 6355] close(26 [pid 6353] close(27 [pid 6352] close(29 [pid 6356] <... close resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] symlink("/dev/binderfs", "./binderfs" [pid 6355] close(27 [pid 6353] close(28 [pid 6352] exit_group(0 [pid 6356] <... symlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... exit_group resumed>) = ? [pid 6356] write(1, "executing program\n", 18 [pid 6355] close(28 [pid 6353] close(29) = -1 EBADF (Bad file descriptor) [pid 6353] exit_group(0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] close(29) = -1 EBADF (Bad file descriptor) [pid 6352] +++ exited with 0 +++ [pid 6353] <... exit_group resumed>) = ? [pid 6356] <... write resumed>) = 18 [pid 6355] exit_group(0 [pid 6353] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6356] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 6355] <... exit_group resumed>) = ? [pid 5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 179.092769][ C1] ? ktime_get_update_offsets_now+0x2d/0x3b0 [ 179.098851][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 179.104604][ C1] ? read_tsc+0x9/0x20 [ 179.108753][ C1] ? ktime_get_update_offsets_now+0x38e/0x3b0 [ 179.114866][ C1] hrtimer_run_softirq+0x19a/0x2c0 [ 179.120049][ C1] handle_softirqs+0x2d4/0x9b0 [ 179.124853][ C1] ? __irq_exit_rcu+0xf7/0x220 [ 179.129665][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 179.135002][ C1] ? irqtime_account_irq+0xd1/0x1d0 [ 179.140295][ C1] __irq_exit_rcu+0xf7/0x220 [pid 6356] sendto(3, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 [pid 6355] +++ exited with 0 +++ [pid 6356] recvfrom(3, [pid 5840] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] --- 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 6356] <... recvfrom resumed>[{nlmsg_len=2556, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=96}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x31\x00\x06\x00\x01\x00\x24\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x50\x01\x00\x00\x28\x09\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x1a\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 2556 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [ 179.144913][ C1] ? __pfx___irq_exit_rcu+0x10/0x10 [ 179.150203][ C1] irq_exit_rcu+0x9/0x30 [ 179.154479][ C1] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 179.160209][ C1] [ 179.163162][ C1] [ 179.166159][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 179.172198][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 179.178786][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 8e 04 29 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b3 37 90 f5 65 8b 05 f4 55 06 74 85 c0 74 43 48 c7 04 24 0e 36 [ 179.198443][ C1] RSP: 0018:ffffc90000a0f940 EFLAGS: 00000206 [ 179.204534][ C1] RAX: aec21a97a183b000 RBX: 1ffff92000141f2c RCX: ffffffff819b5d0a [ 179.212573][ C1] RDX: dffffc0000000000 RSI: ffffffff8c0aa020 RDI: 0000000000000001 [ 179.220588][ C1] RBP: ffffc90000a0f9d8 R08: ffffffff9431892f R09: 1ffffffff2863125 [ 179.228598][ C1] R10: dffffc0000000000 R11: fffffbfff2863126 R12: dffffc0000000000 [ 179.236622][ C1] R13: 1ffff92000141f28 R14: ffffc90000a0f960 R15: 0000000000000246 [ 179.244625][ C1] ? mark_lock+0x9a/0x360 [ 179.249045][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 179.255404][ C1] ? __snd_rawmidi_transmit_ack+0x25c/0x300 [ 179.261349][ C1] snd_rawmidi_transmit+0xb4/0xf0 [ 179.266417][ C1] snd_vmidi_output_work+0x1e1/0x470 [ 179.271742][ C1] ? __pfx_snd_vmidi_output_work+0x10/0x10 [ 179.277604][ C1] ? process_scheduled_works+0x976/0x1840 [ 179.283342][ C1] process_scheduled_works+0xa66/0x1840 [ 179.288993][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 179.295018][ C1] ? assign_work+0x364/0x3d0 [ 179.299658][ C1] worker_thread+0x870/0xd30 [ 179.304304][ C1] ? __kthread_parkme+0x169/0x1d0 [ 179.309385][ C1] ? __pfx_worker_thread+0x10/0x10 [ 179.314525][ C1] kthread+0x7a9/0x920 [ 179.318649][ C1] ? __pfx_kthread+0x10/0x10 [ 179.323270][ C1] ? __pfx_worker_thread+0x10/0x10 [ 179.328430][ C1] ? __pfx_kthread+0x10/0x10 [ 179.333041][ C1] ? __pfx_kthread+0x10/0x10 [ 179.337679][ C1] ? __pfx_kthread+0x10/0x10 [ 179.342288][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 179.347536][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 179.352758][ C1] ? __pfx_kthread+0x10/0x10 [ 179.357402][ C1] ret_from_fork+0x4b/0x80 [ 179.361837][ C1] ? __pfx_kthread+0x10/0x10 [ 179.366475][ C1] ret_from_fork_asm+0x1a/0x30 [ 179.371284][ C1] [ 179.374341][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 179.381633][ C1] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:0H Not tainted 6.14.0-rc2-next-20250210-syzkaller #0 [ 179.391806][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 179.401872][ C1] Workqueue: events_highpri snd_vmidi_output_work [ 179.408320][ C1] Call Trace: [ 179.411612][ C1] [ 179.414469][ C1] dump_stack_lvl+0x241/0x360 [ 179.419178][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 179.424389][ C1] ? __pfx__printk+0x10/0x10 [ 179.428997][ C1] ? _printk+0xd5/0x120 [ 179.433181][ C1] ? __init_begin+0x41000/0x41000 [ 179.438232][ C1] ? vscnprintf+0x5d/0x90 [ 179.442584][ C1] panic+0x349/0x880 [ 179.446510][ C1] ? __warn+0x174/0x4d0 [ 179.450702][ C1] ? __pfx_panic+0x10/0x10 [ 179.455176][ C1] ? ret_from_fork_asm+0x1a/0x30 [ 179.460144][ C1] __warn+0x344/0x4d0 [ 179.464135][ C1] ? __ieee80211_beacon_get+0x1202/0x15c0 [ 179.469858][ C1] report_bug+0x2b3/0x500 [ 179.474189][ C1] ? __ieee80211_beacon_get+0x1202/0x15c0 [ 179.479916][ C1] handle_bug+0x60/0x90 [ 179.484070][ C1] exc_invalid_op+0x1a/0x50 [ 179.488566][ C1] asm_exc_invalid_op+0x1a/0x20 [ 179.493416][ C1] RIP: 0010:__ieee80211_beacon_get+0x1202/0x15c0 [ 179.499745][ C1] Code: e8 63 71 4a f6 eb 0d e8 5c 71 4a f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 fc e3 a5 f6 45 31 ed e9 4c fe ff ff e8 3f 71 4a f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 31 71 4a f6 90 0f 0b 90 e9 e8 f8 ff ff [ 179.519346][ C1] RSP: 0018:ffffc90000a189e0 EFLAGS: 00010246 [ 179.525407][ C1] RAX: ffffffff8b751881 RBX: 0000000000000000 RCX: ffff88801d6f3c00 [ 179.533369][ C1] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 179.541330][ C1] RBP: dffffc0000000000 R08: ffffffff8b750f7d R09: ffffffff8b750980 [ 179.549293][ C1] R10: 0000000000000003 R11: ffff88801d6f3c00 R12: ffff888077842500 [ 179.557257][ C1] R13: ffff88801f7b3800 R14: ffff8880778429d0 R15: ffff888077840d80 [ 179.565230][ C1] ? __ieee80211_beacon_get+0x300/0x15c0 [ 179.570863][ C1] ? __ieee80211_beacon_get+0x8fd/0x15c0 [ 179.576496][ C1] ? __ieee80211_beacon_get+0x1201/0x15c0 [ 179.582227][ C1] ? __ieee80211_beacon_get+0x36/0x15c0 [ 179.587783][ C1] ieee80211_beacon_get_tim+0xb4/0x320 [ 179.593242][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 179.599320][ C1] mac80211_hwsim_beacon_tx+0x39d/0x850 [ 179.604872][ C1] __iterate_interfaces+0x297/0x570 [ 179.610067][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 179.616142][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 179.622221][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x170 [ 179.629501][ C1] ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 [ 179.636524][ C1] mac80211_hwsim_beacon+0xd4/0x1f0 [ 179.641716][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 179.647514][ C1] __hrtimer_run_queues+0x59b/0xd30 [ 179.652703][ C1] ? ktime_get_update_offsets_now+0x2d/0x3b0 [ 179.658695][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 179.664409][ C1] ? read_tsc+0x9/0x20 [ 179.668471][ C1] ? ktime_get_update_offsets_now+0x38e/0x3b0 [ 179.674542][ C1] hrtimer_run_softirq+0x19a/0x2c0 [ 179.679651][ C1] handle_softirqs+0x2d4/0x9b0 [ 179.684417][ C1] ? __irq_exit_rcu+0xf7/0x220 [ 179.689176][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 179.694460][ C1] ? irqtime_account_irq+0xd1/0x1d0 [ 179.699657][ C1] __irq_exit_rcu+0xf7/0x220 [ 179.704239][ C1] ? __pfx___irq_exit_rcu+0x10/0x10 [ 179.709437][ C1] irq_exit_rcu+0x9/0x30 [ 179.713670][ C1] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 179.719302][ C1] [ 179.722222][ C1] [ 179.725141][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 179.731124][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 179.737623][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 8e 04 29 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 b3 37 90 f5 65 8b 05 f4 55 06 74 85 c0 74 43 48 c7 04 24 0e 36 [ 179.757217][ C1] RSP: 0018:ffffc90000a0f940 EFLAGS: 00000206 [ 179.763275][ C1] RAX: aec21a97a183b000 RBX: 1ffff92000141f2c RCX: ffffffff819b5d0a [ 179.771239][ C1] RDX: dffffc0000000000 RSI: ffffffff8c0aa020 RDI: 0000000000000001 [ 179.779202][ C1] RBP: ffffc90000a0f9d8 R08: ffffffff9431892f R09: 1ffffffff2863125 [ 179.787164][ C1] R10: dffffc0000000000 R11: fffffbfff2863126 R12: dffffc0000000000 [ 179.795129][ C1] R13: 1ffff92000141f28 R14: ffffc90000a0f960 R15: 0000000000000246 [ 179.803101][ C1] ? mark_lock+0x9a/0x360 [ 179.807443][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 179.813770][ C1] ? __snd_rawmidi_transmit_ack+0x25c/0x300 [ 179.819663][ C1] snd_rawmidi_transmit+0xb4/0xf0 [ 179.824684][ C1] snd_vmidi_output_work+0x1e1/0x470 [ 179.829979][ C1] ? __pfx_snd_vmidi_output_work+0x10/0x10 [ 179.835791][ C1] ? process_scheduled_works+0x976/0x1840 [ 179.841505][ C1] process_scheduled_works+0xa66/0x1840 [ 179.847079][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 179.853063][ C1] ? assign_work+0x364/0x3d0 [ 179.857739][ C1] worker_thread+0x870/0xd30 [ 179.862341][ C1] ? __kthread_parkme+0x169/0x1d0 [ 179.867365][ C1] ? __pfx_worker_thread+0x10/0x10 [ 179.872470][ C1] kthread+0x7a9/0x920 [ 179.876535][ C1] ? __pfx_kthread+0x10/0x10 [ 179.881122][ C1] ? __pfx_worker_thread+0x10/0x10 [ 179.886236][ C1] ? __pfx_kthread+0x10/0x10 [ 179.890821][ C1] ? __pfx_kthread+0x10/0x10 [ 179.895413][ C1] ? __pfx_kthread+0x10/0x10 [ 179.899996][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 179.905187][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 179.910382][ C1] ? __pfx_kthread+0x10/0x10 [ 179.914972][ C1] ret_from_fork+0x4b/0x80 [ 179.919382][ C1] ? __pfx_kthread+0x10/0x10 [ 179.923971][ C1] ret_from_fork_asm+0x1a/0x30 [ 179.928751][ C1] [ 179.932027][ C1] Kernel Offset: disabled [ 179.936373][ C1] Rebooting in 86400 seconds..