./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2941843484 <...> = -1 EBADF (Bad file descriptor) [pid 3774] close(23 [pid 3785] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] close(24) = -1 EBADF (Bad file descriptor) [pid 3785] <... symlink resumed>) = 0 [pid 3774] close(25 [pid 3785] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3774] close(26) = -1 EBADF (Bad file descriptor) [pid 3774] close(27) = -1 EBADF (Bad file descriptor) [pid 3774] close(28) = -1 EBADF (Bad file descriptor) [pid 3774] close(29) = -1 EBADF (Bad file descriptor) [pid 3774] exit_group(0) = ? [pid 3774] +++ exited with 0 +++ [pid 3785] <... symlink resumed>) = 0 [pid 3785] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3785] <... openat resumed>) = 3 [pid 3620] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3785] write(3, "1000", 4) = 4 [pid 3785] close(3) = 0 [pid 3785] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3785] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3785] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3785] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3785] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3778] <... close resumed>) = 0 [pid 3778] close(4 [pid 3620] fstat(3, [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3778] close(5) = -1 EBADF (Bad file descriptor) [pid 3778] close(6) = -1 EBADF (Bad file descriptor) [pid 3778] close(7) = -1 EBADF (Bad file descriptor) [pid 3778] close(8) = -1 EBADF (Bad file descriptor) [pid 3778] close(9) = -1 EBADF (Bad file descriptor) [pid 3778] close(10) = -1 EBADF (Bad file descriptor) [pid 3778] close(11) = -1 EBADF (Bad file descriptor) [pid 3778] close(12) = -1 EBADF (Bad file descriptor) [pid 3778] close(13 [pid 3620] getdents64(3, [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3778] close(14) = -1 EBADF (Bad file descriptor) [pid 3778] close(15) = -1 EBADF (Bad file descriptor) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3778] close(16) = -1 EBADF (Bad file descriptor) [pid 3778] close(17) = -1 EBADF (Bad file descriptor) [pid 3778] close(18) = -1 EBADF (Bad file descriptor) [pid 3778] close(19) = -1 EBADF (Bad file descriptor) [pid 3778] close(20) = -1 EBADF (Bad file descriptor) [pid 3778] close(21) = -1 EBADF (Bad file descriptor) [pid 3617] kill(-9, SIGKILL [pid 3778] close(22 [pid 3770] <... close resumed>) = ? [pid 3617] <... kill resumed>) = 0 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3770] +++ killed by SIGKILL +++ [pid 3617] kill(9, SIGKILL [pid 3778] close(23 [pid 3617] <... kill resumed>) = 0 [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=9, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3778] close(24) = -1 EBADF (Bad file descriptor) [pid 3778] close(25 [pid 3617] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] close(26 [pid 3617] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... openat resumed>) = 3 [pid 3778] close(27 [pid 3617] fstat(3, [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 89.375014][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880205d7800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 89.389633][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807662e000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3778] close(28 [pid 3617] getdents64(3, [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3778] close(29 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3778] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./9/binderfs", [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] exit_group(0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] lstat("./7/binderfs", [pid 3778] <... exit_group resumed>) = ? [pid 3620] unlink("./9/binderfs" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3778] +++ exited with 0 +++ [pid 3620] <... unlink resumed>) = 0 [pid 3617] unlink("./7/binderfs" [pid 3620] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3620] lstat("./9/cgroup", [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 3617] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] <... restart_syscall resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] unlink("./9/cgroup" [pid 3617] lstat("./7/cgroup", [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] unlink("./7/cgroup" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] lstat("./9/cgroup.net", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] unlink("./9/cgroup.net") = 0 [pid 3620] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./9/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./9" [pid 3618] <... openat resumed>) = 3 [pid 3620] <... rmdir resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] mkdir("./10", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3787 attached [pid 3787] chdir("./10" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 12 [pid 3787] <... chdir resumed>) = 0 [pid 3787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3787] setpgid(0, 0) = 0 [pid 3787] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3618] fstat(3, [pid 3617] lstat("./7/cgroup.net", [pid 3787] <... symlink resumed>) = 0 [pid 3787] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3787] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3787] <... symlink resumed>) = 0 [pid 3787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3787] write(3, "1000", 4) = 4 [pid 3787] close(3) = 0 [pid 3787] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3787] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3787] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3787] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3787] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] getdents64(3, [pid 3617] unlink("./7/cgroup.net" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... unlink resumed>) = 0 [pid 3618] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./13/binderfs", [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./7/cgroup.cpu", [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./13/binderfs" [pid 3617] unlink("./7/cgroup.cpu" [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... unlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] getdents64(3, [pid 3618] lstat("./13/cgroup", [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] close(3 [pid 3618] unlink("./13/cgroup" [pid 3617] <... close resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3617] rmdir("./7" [pid 3618] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... rmdir resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./13/cgroup.net", [pid 3617] mkdir("./8", 0777 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./13/cgroup.net" [pid 3617] <... mkdir resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3788 attached ) = -1 EINVAL (Invalid argument) [pid 3788] chdir("./8" [pid 3618] lstat("./13/cgroup.cpu", [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 10 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3788] <... chdir resumed>) = 0 [pid 3618] unlink("./13/cgroup.cpu" [pid 3788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3788] setpgid(0, 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3788] <... setpgid resumed>) = 0 [pid 3788] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3618] close(3 [pid 3788] <... symlink resumed>) = 0 [pid 3788] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3788] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3788] write(3, "1000", 4) = 4 [pid 3788] close(3) = 0 [pid 3788] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3788] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3788] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3788] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3788] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] <... close resumed>) = 0 [pid 3618] rmdir("./13") = 0 [pid 3618] mkdir("./14", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3789 attached , child_tidptr=0x555556f5d5d0) = 16 [pid 3789] chdir("./14") = 0 [pid 3789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3789] setpgid(0, 0) = 0 [pid 3789] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3789] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3789] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3789] write(3, "1000", 4) = 4 [pid 3789] close(3) = 0 [pid 3789] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3789] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3789] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3789] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3789] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3773] <... sendmsg resumed>) = 106496 [pid 3773] close(3 [pid 3785] <... sendmsg resumed>) = 106496 [pid 3784] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3784] close(3 [ 90.279879][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806fa5d800: rx timeout, send abort [ 90.288292][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806ec73000: rx timeout, send abort [pid 3785] close(3 [pid 3784] <... close resumed>) = 0 [pid 3784] close(4) = -1 EBADF (Bad file descriptor) [pid 3784] close(5) = -1 EBADF (Bad file descriptor) [pid 3784] close(6) = -1 EBADF (Bad file descriptor) [pid 3784] close(7) = -1 EBADF (Bad file descriptor) [pid 3784] close(8) = -1 EBADF (Bad file descriptor) [pid 3784] close(9) = -1 EBADF (Bad file descriptor) [pid 3784] close(10) = -1 EBADF (Bad file descriptor) [pid 3784] close(11) = -1 EBADF (Bad file descriptor) [pid 3784] close(12) = -1 EBADF (Bad file descriptor) [pid 3784] close(13) = -1 EBADF (Bad file descriptor) [pid 3784] close(14) = -1 EBADF (Bad file descriptor) [pid 3784] close(15) = -1 EBADF (Bad file descriptor) [pid 3784] close(16) = -1 EBADF (Bad file descriptor) [pid 3784] close(17) = -1 EBADF (Bad file descriptor) [pid 3784] close(18) = -1 EBADF (Bad file descriptor) [pid 3784] close(19) = -1 EBADF (Bad file descriptor) [pid 3784] close(20) = -1 EBADF (Bad file descriptor) [pid 3784] close(21) = -1 EBADF (Bad file descriptor) [pid 3784] close(22) = -1 EBADF (Bad file descriptor) [pid 3784] close(23) = -1 EBADF (Bad file descriptor) [pid 3784] close(24) = -1 EBADF (Bad file descriptor) [pid 3784] close(25) = -1 EBADF (Bad file descriptor) [pid 3784] close(26) = -1 EBADF (Bad file descriptor) [pid 3784] close(27) = -1 EBADF (Bad file descriptor) [pid 3784] close(28) = -1 EBADF (Bad file descriptor) [pid 3784] close(29) = -1 EBADF (Bad file descriptor) [pid 3784] exit_group(0) = ? [pid 3784] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 90.336583][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fa5d800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 90.351158][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ec73000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./13/binderfs") = 0 [pid 3619] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./13/cgroup") = 0 [pid 3619] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./13/cgroup.net") = 0 [pid 3619] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./13/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./13") = 0 [pid 3619] mkdir("./14", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3790 attached [ 90.399270][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073532000: rx timeout, send abort [pid 3790] chdir("./14" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 16 [pid 3790] <... chdir resumed>) = 0 [pid 3790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3790] setpgid(0, 0) = 0 [pid 3790] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3790] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3790] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3790] write(3, "1000", 4) = 4 [pid 3790] close(3) = 0 [pid 3790] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3790] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3790] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3790] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3790] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EHOSTUNREACH (No route to host) [pid 3787] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3790] close(3 [pid 3787] close(3 [pid 3790] <... close resumed>) = 0 [pid 3790] close(4) = -1 EBADF (Bad file descriptor) [pid 3790] close(5) = -1 EBADF (Bad file descriptor) [pid 3790] close(6) = -1 EBADF (Bad file descriptor) [pid 3790] close(7) = -1 EBADF (Bad file descriptor) [pid 3790] close(8) = -1 EBADF (Bad file descriptor) [pid 3790] close(9) = -1 EBADF (Bad file descriptor) [pid 3790] close(10) = -1 EBADF (Bad file descriptor) [pid 3790] close(11) = -1 EBADF (Bad file descriptor) [pid 3790] close(12) = -1 EBADF (Bad file descriptor) [pid 3790] close(13) = -1 EBADF (Bad file descriptor) [pid 3790] close(14) = -1 EBADF (Bad file descriptor) [pid 3790] close(15) = -1 EBADF (Bad file descriptor) [pid 3790] close(16) = -1 EBADF (Bad file descriptor) [pid 3790] close(17) = -1 EBADF (Bad file descriptor) [pid 3790] close(18) = -1 EBADF (Bad file descriptor) [pid 3790] close(19) = -1 EBADF (Bad file descriptor) [pid 3790] close(20) = -1 EBADF (Bad file descriptor) [pid 3790] close(21) = -1 EBADF (Bad file descriptor) [pid 3790] close(22) = -1 EBADF (Bad file descriptor) [pid 3790] close(23) = -1 EBADF (Bad file descriptor) [pid 3790] close(24) = -1 EBADF (Bad file descriptor) [pid 3790] close(25) = -1 EBADF (Bad file descriptor) [pid 3790] close(26) = -1 EBADF (Bad file descriptor) [pid 3790] close(27) = -1 EBADF (Bad file descriptor) [pid 3790] close(28) = -1 EBADF (Bad file descriptor) [pid 3790] close(29) = -1 EBADF (Bad file descriptor) [pid 3790] exit_group(0) = ? [pid 3790] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./14/binderfs") = 0 [pid 3619] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 90.512415][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fb7dc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 90.529193][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077fe1c00: rx timeout, send abort [ 90.537577][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806dcfd800: rx timeout, send abort [pid 3619] unlink("./14/cgroup") = 0 [pid 3619] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./14/cgroup.net") = 0 [pid 3619] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./14/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./14") = 0 [pid 3619] mkdir("./15", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3792 attached [pid 3792] chdir("./15") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 17 [pid 3792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3792] setpgid(0, 0) = 0 [pid 3792] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3792] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3792] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3792] write(3, "1000", 4) = 4 [pid 3792] close(3) = 0 [pid 3792] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3792] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3792] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3792] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 90.641354][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077fe1c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 90.655908][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806dcfd800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 90.670706][ C1] vxcan1: j1939_xtp_rx_rts_session_active: 0xffff88807cb1cc00: connection exists (00 00). last cmd: 14 [ 90.683117][ C1] vxcan1: j1939_xtp_rx_rts_session_active: 0xffff88807cb1c400: connection exists (00 00). last cmd: 14 [ 90.694355][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807cb1cc00: 0x00000: (1) Already in one or more connection managed sessions and cannot support another. [ 90.709194][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807cb1c400: 0x00000: (1) Already in one or more connection managed sessions and cannot support another. [ 90.713418][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b687c00: rx timeout, send abort [ 90.732375][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d1fac00: rx timeout, send abort [pid 3792] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3787] <... close resumed>) = 0 [pid 3792] <... sendmsg resumed>) = -1 EALREADY (Operation already in progress) [pid 3792] close(3) = 0 [pid 3792] close(4) = -1 EBADF (Bad file descriptor) [pid 3792] close(5) = -1 EBADF (Bad file descriptor) [pid 3792] close(6) = -1 EBADF (Bad file descriptor) [pid 3792] close(7) = -1 EBADF (Bad file descriptor) [pid 3792] close(8) = -1 EBADF (Bad file descriptor) [pid 3792] close(9) = -1 EBADF (Bad file descriptor) [pid 3792] close(10) = -1 EBADF (Bad file descriptor) [pid 3792] close(11) = -1 EBADF (Bad file descriptor) [pid 3792] close(12) = -1 EBADF (Bad file descriptor) [pid 3792] close(13) = -1 EBADF (Bad file descriptor) [pid 3792] close(14) = -1 EBADF (Bad file descriptor) [pid 3792] close(15) = -1 EBADF (Bad file descriptor) [pid 3792] close(16) = -1 EBADF (Bad file descriptor) [pid 3792] close(17) = -1 EBADF (Bad file descriptor) [pid 3792] close(18) = -1 EBADF (Bad file descriptor) [pid 3792] close(19) = -1 EBADF (Bad file descriptor) [pid 3792] close(20) = -1 EBADF (Bad file descriptor) [pid 3792] close(21) = -1 EBADF (Bad file descriptor) [pid 3792] close(22) = -1 EBADF (Bad file descriptor) [pid 3792] close(23) = -1 EBADF (Bad file descriptor) [pid 3792] close(24) = -1 EBADF (Bad file descriptor) [pid 3792] close(25) = -1 EBADF (Bad file descriptor) [pid 3792] close(26) = -1 EBADF (Bad file descriptor) [pid 3792] close(27) = -1 EBADF (Bad file descriptor) [pid 3792] close(28) = -1 EBADF (Bad file descriptor) [pid 3792] close(29) = -1 EBADF (Bad file descriptor) [pid 3792] exit_group(0) = ? [pid 3792] +++ exited with 0 +++ [pid 3789] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3787] close(4 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3789] close(3 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(5) = -1 EBADF (Bad file descriptor) [ 90.741991][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888074f3b000: rx timeout, send abort [pid 3619] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3787] close(6 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 90.783052][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b687c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 90.797365][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a0b7000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 90.797615][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d1fac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] kill(-14, SIGKILL) = 0 [pid 3616] kill(14, SIGKILL) = 0 [pid 3789] <... close resumed>) = 0 [pid 3788] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3787] close(7 [pid 3619] <... openat resumed>) = 3 [pid 3789] close(4 [pid 3788] close(3 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = ? [pid 3619] fstat(3, [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = 0 [pid 3787] close(8 [pid 3773] +++ killed by SIGKILL +++ [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3789] close(5 [pid 3788] close(4 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(9 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=14, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3789] close(6 [pid 3788] close(5 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(10 [pid 3619] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3789] close(7 [pid 3788] close(6 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(11 [pid 3619] lstat("./15/binderfs", [pid 3789] close(8 [pid 3788] close(7 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(12 [pid 3619] unlink("./15/binderfs" [pid 3789] close(9 [pid 3788] close(8 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(13 [pid 3619] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3789] close(10 [pid 3788] close(9 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(14 [pid 3619] lstat("./15/cgroup", [pid 3789] close(11 [pid 3788] close(10 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(15 [pid 3619] unlink("./15/cgroup" [pid 3789] close(12 [ 90.811758][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a0b2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3788] close(11 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(16 [pid 3619] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3789] close(13 [pid 3788] close(12 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(17 [pid 3619] lstat("./15/cgroup.net", [pid 3616] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3789] close(14 [pid 3788] close(13 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(18 [pid 3619] unlink("./15/cgroup.net" [pid 3789] close(15 [pid 3788] close(14 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(19 [pid 3619] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3789] close(16 [pid 3788] close(15 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] fstat(3, [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(20 [pid 3619] lstat("./15/cgroup.cpu", [pid 3789] close(17 [pid 3788] close(16 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(21 [pid 3619] unlink("./15/cgroup.cpu" [pid 3789] close(18 [pid 3788] close(17 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3616] getdents64(3, [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(22 [pid 3619] getdents64(3, [pid 3789] close(19 [pid 3788] close(18 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(23 [pid 3619] close(3 [pid 3789] close(20 [pid 3788] close(19 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... close resumed>) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(24 [pid 3619] rmdir("./15" [pid 3789] close(21 [pid 3788] close(20 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... rmdir resumed>) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(25 [pid 3619] mkdir("./16", 0777 [pid 3789] close(22 [pid 3788] close(21 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... mkdir resumed>) = 0 [pid 3616] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(26 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3789] close(23 [pid 3788] close(22 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(27 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 18 ./strace-static-x86_64: Process 3793 attached [pid 3789] close(24 [pid 3788] close(23 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./12/binderfs", [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(28 [pid 3793] chdir("./16" [pid 3789] close(25 [pid 3788] close(24 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3793] <... chdir resumed>) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 90.907693][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073532000: abort rx timeout. Force session deactivation [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] close(29 [pid 3793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3789] close(26 [pid 3788] close(25 [pid 3787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./12/binderfs" [pid 3793] <... prctl resumed>) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] exit_group(0 [pid 3793] setpgid(0, 0 [pid 3789] close(27 [pid 3788] close(26 [pid 3787] <... exit_group resumed>) = ? [pid 3616] <... unlink resumed>) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3787] +++ exited with 0 +++ [pid 3789] close(28 [pid 3788] close(27 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3793] <... setpgid resumed>) = 0 [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3789] close(29 [pid 3788] close(28 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3793] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3789] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3789] exit_group(0 [pid 3788] close(29 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3793] <... symlink resumed>) = 0 [pid 3789] <... exit_group resumed>) = ? [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] lstat("./12/cgroup", [pid 3793] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3789] +++ exited with 0 +++ [pid 3788] exit_group(0 [pid 3620] <... openat resumed>) = 3 [pid 3788] <... exit_group resumed>) = ? [pid 3620] fstat(3, [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3793] <... symlink resumed>) = 0 [pid 3788] +++ exited with 0 +++ [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3793] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3620] lstat("./10/binderfs", [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] unlink("./12/cgroup" [pid 3793] <... symlink resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] unlink("./10/binderfs" [pid 3618] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... openat resumed>) = 3 [pid 3620] <... unlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] fstat(3, [pid 3793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... openat resumed>) = 3 [pid 3617] getdents64(3, [pid 3793] <... openat resumed>) = 3 [pid 3620] lstat("./10/cgroup", [pid 3618] fstat(3, [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3793] write(3, "1000", 4 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] unlink("./10/cgroup" [pid 3618] getdents64(3, [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3793] <... write resumed>) = 4 [pid 3620] <... unlink resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] lstat("./8/binderfs", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3793] close(3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] unlink("./8/binderfs" [pid 3616] lstat("./12/cgroup.net", [pid 3793] <... close resumed>) = 0 [pid 3620] lstat("./10/cgroup.net", [pid 3618] lstat("./14/binderfs", [pid 3617] <... unlink resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3793] symlink("/dev/binderfs", "./binderfs" [pid 3620] unlink("./10/cgroup.net" [pid 3618] unlink("./14/binderfs" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3617] lstat("./8/cgroup", [pid 3793] <... symlink resumed>) = 0 [pid 3620] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./12/cgroup.net" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] unlink("./8/cgroup" [pid 3793] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] lstat("./10/cgroup.cpu", [pid 3618] lstat("./14/cgroup", [pid 3617] <... unlink resumed>) = 0 [pid 3793] <... socket resumed>) = 3 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3620] unlink("./10/cgroup.cpu" [pid 3618] unlink("./14/cgroup" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3793] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] <... unlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3617] lstat("./8/cgroup.net", [pid 3616] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3793] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3620] getdents64(3, [pid 3618] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] unlink("./8/cgroup.net" [pid 3793] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] close(3 [pid 3618] lstat("./14/cgroup.net", [pid 3617] <... unlink resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... close resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3793] <... bind resumed>) = 0 [pid 3620] rmdir("./10" [pid 3618] unlink("./14/cgroup.net" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./12/cgroup.cpu", [pid 3620] <... rmdir resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3617] lstat("./8/cgroup.cpu", [pid 3793] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] mkdir("./11", 0777 [pid 3618] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] unlink("./8/cgroup.cpu" [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] lstat("./14/cgroup.cpu", [pid 3617] <... unlink resumed>) = 0 [pid 3616] unlink("./12/cgroup.cpu"./strace-static-x86_64: Process 3794 attached [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] getdents64(3, [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 13 [pid 3618] unlink("./14/cgroup.cpu" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3794] chdir("./11" [pid 3618] <... unlink resumed>) = 0 [pid 3617] close(3 [pid 3616] <... unlink resumed>) = 0 [pid 3618] getdents64(3, [pid 3617] <... close resumed>) = 0 [pid 3794] <... chdir resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] rmdir("./8" [pid 3616] getdents64(3, [pid 3794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] close(3 [pid 3617] <... rmdir resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3617] mkdir("./9", 0777 [pid 3618] rmdir("./14" [pid 3617] <... mkdir resumed>) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3795 attached [pid 3618] mkdir("./15", 0777 [pid 3795] chdir("./9" [pid 3794] <... prctl resumed>) = 0 [pid 3618] <... mkdir resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 11 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3795] <... chdir resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3796 attached [pid 3795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3794] setpgid(0, 0 [pid 3616] close(3 [pid 3795] <... prctl resumed>) = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 17 [pid 3795] setpgid(0, 0) = 0 [pid 3795] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3796] chdir("./15" [pid 3795] <... symlink resumed>) = 0 [pid 3794] <... setpgid resumed>) = 0 [pid 3616] <... close resumed>) = 0 [pid 3795] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3796] <... chdir resumed>) = 0 [pid 3795] <... symlink resumed>) = 0 [pid 3796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3795] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3794] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3616] rmdir("./12" [pid 3796] <... prctl resumed>) = 0 [pid 3795] <... symlink resumed>) = 0 [pid 3795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3795] write(3, "1000", 4) = 4 [pid 3794] <... symlink resumed>) = 0 [pid 3795] close(3 [pid 3796] setpgid(0, 0 [pid 3795] <... close resumed>) = 0 [pid 3794] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3616] <... rmdir resumed>) = 0 [pid 3795] symlink("/dev/binderfs", "./binderfs" [pid 3796] <... setpgid resumed>) = 0 [pid 3795] <... symlink resumed>) = 0 [pid 3794] <... symlink resumed>) = 0 [pid 3616] mkdir("./13", 0777 [pid 3795] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3795] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3796] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3795] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3794] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3796] <... symlink resumed>) = 0 [pid 3795] <... bind resumed>) = 0 [pid 3616] <... mkdir resumed>) = 0 [pid 3796] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3795] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3794] <... symlink resumed>) = 0 [pid 3796] <... symlink resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3796] symlink("/syzcgroup/net/syz0", "./cgroup.net"./strace-static-x86_64: Process 3797 attached ) = 0 [pid 3794] <... openat resumed>) = 3 [pid 3797] chdir("./13" [pid 3796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 15 [pid 3796] <... openat resumed>) = 3 [pid 3794] write(3, "1000", 4 [pid 3797] <... chdir resumed>) = 0 [pid 3797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3796] write(3, "1000", 4 [pid 3794] <... write resumed>) = 4 [pid 3797] <... prctl resumed>) = 0 [pid 3796] <... write resumed>) = 4 [pid 3794] close(3 [pid 3797] setpgid(0, 0 [pid 3796] close(3 [pid 3794] <... close resumed>) = 0 [pid 3797] <... setpgid resumed>) = 0 [pid 3796] <... close resumed>) = 0 [pid 3794] symlink("/dev/binderfs", "./binderfs" [pid 3797] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3796] symlink("/dev/binderfs", "./binderfs" [pid 3794] <... symlink resumed>) = 0 [pid 3796] <... symlink resumed>) = 0 [pid 3794] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3797] <... symlink resumed>) = 0 [pid 3796] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3794] <... socket resumed>) = 3 [pid 3796] <... socket resumed>) = 3 [pid 3794] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3796] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3794] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3797] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3796] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3794] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3796] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3797] <... symlink resumed>) = 0 [pid 3794] <... bind resumed>) = 0 [pid 3796] <... bind resumed>) = 0 [pid 3797] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3796] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3794] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3797] <... symlink resumed>) = 0 [pid 3797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3797] write(3, "1000", 4) = 4 [pid 3797] close(3) = 0 [pid 3797] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3797] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [ 91.255510][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888074f3b000: abort rx timeout. Force session deactivation [pid 3797] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3797] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 91.598270][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806bb3c000: rx timeout, send abort [pid 3797] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EHOSTUNREACH (No route to host) [pid 3797] close(3) = 0 [pid 3797] close(4) = -1 EBADF (Bad file descriptor) [pid 3797] close(5) = -1 EBADF (Bad file descriptor) [pid 3797] close(6) = -1 EBADF (Bad file descriptor) [pid 3797] close(7) = -1 EBADF (Bad file descriptor) [pid 3797] close(8) = -1 EBADF (Bad file descriptor) [pid 3797] close(9 [pid 3785] <... close resumed>) = 0 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(4 [pid 3797] close(10 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(5 [pid 3797] close(11 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(6 [pid 3797] close(12 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 91.640631][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880210df400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(7 [pid 3797] close(13 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(8 [pid 3797] close(14 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(9 [pid 3797] close(15 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(10 [pid 3797] close(16 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(11 [pid 3797] close(17 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(12 [pid 3797] close(18 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(13 [pid 3797] close(19 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(14 [pid 3797] close(20 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(15 [pid 3797] close(21 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(16 [pid 3797] close(22 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(17 [pid 3797] close(23 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(18 [pid 3797] close(24 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(19 [pid 3797] close(25 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(20 [pid 3797] close(26 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(21 [pid 3797] close(27 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(22 [pid 3797] close(28 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(23 [pid 3797] close(29 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(24 [pid 3797] exit_group(0 [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... exit_group resumed>) = ? [pid 3785] close(25 [pid 3797] +++ exited with 0 +++ [pid 3785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3785] close(26) = -1 EBADF (Bad file descriptor) [pid 3785] close(27) = -1 EBADF (Bad file descriptor) [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3785] close(28) = -1 EBADF (Bad file descriptor) [pid 3785] close(29) = -1 EBADF (Bad file descriptor) [pid 3785] exit_group(0) = ? [pid 3785] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3616] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, [pid 3613] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] getdents64(3, [pid 3613] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... openat resumed>) = 3 [pid 3616] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] fstat(3, [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] lstat("./13/binderfs", [pid 3613] getdents64(3, [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] unlink("./13/binderfs" [pid 3613] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./9/binderfs", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] lstat("./13/cgroup", [pid 3613] unlink("./9/binderfs" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] unlink("./13/cgroup" [pid 3613] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./9/cgroup", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] lstat("./13/cgroup.net", [pid 3613] unlink("./9/cgroup" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] unlink("./13/cgroup.net" [pid 3613] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./9/cgroup.net", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] lstat("./13/cgroup.cpu", [pid 3613] unlink("./9/cgroup.net" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] unlink("./13/cgroup.cpu" [pid 3613] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] getdents64(3, [pid 3613] lstat("./9/cgroup.cpu", [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] close(3 [pid 3613] unlink("./9/cgroup.cpu" [pid 3616] <... close resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] rmdir("./13" [pid 3613] getdents64(3, [pid 3616] <... rmdir resumed>) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] mkdir("./14", 0777 [pid 3613] close(3 [pid 3616] <... mkdir resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] rmdir("./9"./strace-static-x86_64: Process 3798 attached ) = 0 [pid 3798] chdir("./14" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 16 [pid 3613] mkdir("./10", 0777 [pid 3798] <... chdir resumed>) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3799 attached [pid 3799] chdir("./10" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 12 [pid 3799] <... chdir resumed>) = 0 [pid 3799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3799] setpgid(0, 0) = 0 [pid 3799] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3799] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3799] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3798] <... prctl resumed>) = 0 [pid 3799] <... openat resumed>) = 3 [pid 3798] setpgid(0, 0 [pid 3799] write(3, "1000", 4 [pid 3798] <... setpgid resumed>) = 0 [pid 3799] <... write resumed>) = 4 [pid 3799] close(3 [pid 3798] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3799] <... close resumed>) = 0 [pid 3798] <... symlink resumed>) = 0 [pid 3799] symlink("/dev/binderfs", "./binderfs" [pid 3798] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3799] <... symlink resumed>) = 0 [pid 3798] <... symlink resumed>) = 0 [pid 3799] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3798] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3799] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3798] <... symlink resumed>) = 0 [pid 3799] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3799] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3799] <... bind resumed>) = 0 [pid 3799] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3798] <... openat resumed>) = 3 [pid 3798] write(3, "1000", 4) = 4 [pid 3798] close(3) = 0 [pid 3798] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3798] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3793] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3793] close(3 [pid 3798] <... socket resumed>) = 3 [pid 3798] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [ 91.897981][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f0c2000: rx timeout, send abort [ 91.906402][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807c65cc00: rx timeout, send abort [pid 3798] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3798] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3793] <... close resumed>) = 0 [pid 3793] close(4) = -1 EBADF (Bad file descriptor) [pid 3793] close(5) = -1 EBADF (Bad file descriptor) [pid 3793] close(6) = -1 EBADF (Bad file descriptor) [pid 3793] close(7) = -1 EBADF (Bad file descriptor) [pid 3793] close(8) = -1 EBADF (Bad file descriptor) [ 91.941237][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f0c2000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 91.955952][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807c65cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3793] close(9) = -1 EBADF (Bad file descriptor) [pid 3793] close(10) = -1 EBADF (Bad file descriptor) [pid 3793] close(11) = -1 EBADF (Bad file descriptor) [pid 3793] close(12) = -1 EBADF (Bad file descriptor) [pid 3793] close(13) = -1 EBADF (Bad file descriptor) [pid 3793] close(14) = -1 EBADF (Bad file descriptor) [pid 3793] close(15) = -1 EBADF (Bad file descriptor) [pid 3793] close(16) = -1 EBADF (Bad file descriptor) [pid 3793] close(17) = -1 EBADF (Bad file descriptor) [pid 3793] close(18) = -1 EBADF (Bad file descriptor) [pid 3794] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3793] close(19 [pid 3794] close(3 [pid 3793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3793] close(20) = -1 EBADF (Bad file descriptor) [pid 3793] close(21) = -1 EBADF (Bad file descriptor) [ 92.110445][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806bb3c000: abort rx timeout. Force session deactivation [ 92.137460][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806db57000: rx timeout, send abort [ 92.145853][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806da0f000: rx timeout, send abort [pid 3793] close(22) = -1 EBADF (Bad file descriptor) [pid 3793] close(23) = -1 EBADF (Bad file descriptor) [pid 3793] close(24) = -1 EBADF (Bad file descriptor) [pid 3793] close(25 [pid 3796] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3793] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 92.195529][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806db57400: rx timeout, send abort [ 92.204027][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806da0ec00: rx timeout, send abort [ 92.212652][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806db57000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 92.227214][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806da0f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3796] close(3 [pid 3793] close(26 [pid 3796] <... close resumed>) = 0 [pid 3793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3796] close(4 [pid 3794] <... close resumed>) = 0 [pid 3793] close(27 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] close(4 [pid 3793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3796] close(5 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3793] close(28 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] close(5 [pid 3793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3796] close(6 [pid 3793] close(29 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3796] close(7 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3793] exit_group(0 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3793] <... exit_group resumed>) = ? [pid 3796] close(8 [pid 3794] close(6 [pid 3793] +++ exited with 0 +++ [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3796] close(9) = -1 EBADF (Bad file descriptor) [pid 3796] close(10) = -1 EBADF (Bad file descriptor) [pid 3796] close(11) = -1 EBADF (Bad file descriptor) [pid 3796] close(12) = -1 EBADF (Bad file descriptor) [pid 3796] close(13) = -1 EBADF (Bad file descriptor) [pid 3796] close(14 [ 92.242630][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806db57400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 92.257165][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806da0ec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3794] close(7 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3796] close(15 [pid 3794] close(8 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3796] close(16 [pid 3794] close(9 [pid 3619] <... openat resumed>) = 3 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 3796] close(17 [pid 3794] close(10 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3796] close(18) = -1 EBADF (Bad file descriptor) [pid 3796] close(19 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3796] close(20 [pid 3794] close(11 [pid 3619] getdents64(3, [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3794] close(12 [pid 3619] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3794] close(13 [pid 3619] lstat("./16/binderfs", [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3794] close(14 [pid 3619] unlink("./16/binderfs" [pid 3796] close(21 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] close(15 [pid 3619] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3794] close(16 [pid 3619] lstat("./16/cgroup", [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3796] close(22 [pid 3794] close(17 [pid 3619] unlink("./16/cgroup" [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3794] close(18 [pid 3619] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3794] close(19 [pid 3619] lstat("./16/cgroup.net", [pid 3796] close(23 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] close(20 [pid 3619] unlink("./16/cgroup.net" [pid 3796] close(24 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3794] close(21 [pid 3619] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] close(22 [pid 3619] lstat("./16/cgroup.cpu", [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3794] close(23 [pid 3619] unlink("./16/cgroup.cpu" [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3794] close(24 [pid 3619] getdents64(3, [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3794] close(25 [pid 3619] close(3 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... close resumed>) = 0 [pid 3794] close(26 [pid 3619] rmdir("./16" [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... rmdir resumed>) = 0 [pid 3794] close(27 [pid 3619] mkdir("./17", 0777 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... mkdir resumed>) = 0 [pid 3794] close(28 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] close(29 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 19 [pid 3794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3794] exit_group(0) = ? [pid 3794] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./11/binderfs") = 0 [pid 3620] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 3801 attached [pid 3796] close(25 [pid 3620] unlink("./11/cgroup" [pid 3801] chdir("./17" [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3801] <... chdir resumed>) = 0 [pid 3796] close(26 [pid 3620] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./11/cgroup.net" [pid 3801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3801] <... prctl resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] setpgid(0, 0 [pid 3796] close(27 [pid 3620] lstat("./11/cgroup.cpu", [pid 3801] <... setpgid resumed>) = 0 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3801] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3796] close(28 [pid 3620] unlink("./11/cgroup.cpu" [pid 3801] <... symlink resumed>) = 0 [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3795] <... sendmsg resumed>) = 106496 [pid 3620] <... unlink resumed>) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3796] close(29 [pid 3620] close(3) = 0 [pid 3620] rmdir("./11" [pid 3801] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3795] close(3 [pid 3620] <... rmdir resumed>) = 0 [pid 3620] mkdir("./12", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3802 attached [pid 3802] chdir("./12" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 14 [pid 3802] <... chdir resumed>) = 0 [pid 3802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3802] setpgid(0, 0) = 0 [pid 3802] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3802] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3801] <... symlink resumed>) = 0 [pid 3802] <... symlink resumed>) = 0 [pid 3796] exit_group(0 [pid 3802] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3802] write(3, "1000", 4) = 4 [pid 3802] close(3) = 0 [pid 3802] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3802] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3802] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3802] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3802] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3801] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3796] <... exit_group resumed>) = ? [pid 3801] <... symlink resumed>) = 0 [pid 3796] +++ exited with 0 +++ [pid 3801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3801] <... openat resumed>) = 3 [pid 3801] write(3, "1000", 4 [pid 3618] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3801] <... write resumed>) = 4 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] close(3 [pid 3618] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3801] <... close resumed>) = 0 [pid 3801] symlink("/dev/binderfs", "./binderfs" [pid 3618] <... openat resumed>) = 3 [pid 3801] <... symlink resumed>) = 0 [pid 3618] fstat(3, [pid 3801] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3801] <... socket resumed>) = 3 [pid 3618] getdents64(3, [pid 3801] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3801] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3618] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3801] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] <... bind resumed>) = 0 [pid 3618] lstat("./15/binderfs", [pid 3801] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./15/binderfs") = 0 [pid 3618] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./15/cgroup") = 0 [pid 3618] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./15/cgroup.net") = 0 [pid 3618] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./15/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./15") = 0 [pid 3618] mkdir("./16", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3803 attached [pid 3803] chdir("./16") = 0 [pid 3803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3803] setpgid(0, 0) = 0 [pid 3803] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 18 [pid 3803] <... symlink resumed>) = 0 [pid 3803] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3803] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3803] write(3, "1000", 4) = 4 [pid 3803] close(3) = 0 [pid 3803] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3803] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3803] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3803] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3803] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3798] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 92.792334][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806bed2c00: rx timeout, send abort [ 92.800717][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806bed1c00: rx timeout, send abort [ 92.827748][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bed2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3798] close(3) = 0 [pid 3798] close(4) = -1 EBADF (Bad file descriptor) [pid 3798] close(5) = -1 EBADF (Bad file descriptor) [pid 3798] close(6) = -1 EBADF (Bad file descriptor) [pid 3798] close(7) = -1 EBADF (Bad file descriptor) [pid 3798] close(8) = -1 EBADF (Bad file descriptor) [pid 3798] close(9) = -1 EBADF (Bad file descriptor) [pid 3798] close(10) = -1 EBADF (Bad file descriptor) [pid 3798] close(11) = -1 EBADF (Bad file descriptor) [pid 3798] close(12) = -1 EBADF (Bad file descriptor) [ 92.842288][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bed1c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3798] close(13) = -1 EBADF (Bad file descriptor) [pid 3798] close(14) = -1 EBADF (Bad file descriptor) [pid 3798] close(15) = -1 EBADF (Bad file descriptor) [pid 3798] close(16) = -1 EBADF (Bad file descriptor) [pid 3798] close(17) = -1 EBADF (Bad file descriptor) [pid 3798] close(18) = -1 EBADF (Bad file descriptor) [pid 3798] close(19) = -1 EBADF (Bad file descriptor) [pid 3798] close(20) = -1 EBADF (Bad file descriptor) [pid 3798] close(21) = -1 EBADF (Bad file descriptor) [pid 3798] close(22) = -1 EBADF (Bad file descriptor) [pid 3798] close(23) = -1 EBADF (Bad file descriptor) [pid 3798] close(24) = -1 EBADF (Bad file descriptor) [pid 3798] close(25) = -1 EBADF (Bad file descriptor) [pid 3798] close(26) = -1 EBADF (Bad file descriptor) [pid 3798] close(27) = -1 EBADF (Bad file descriptor) [pid 3798] close(28) = -1 EBADF (Bad file descriptor) [pid 3798] close(29) = -1 EBADF (Bad file descriptor) [pid 3798] exit_group(0) = ? [pid 3798] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./14/binderfs") = 0 [pid 3616] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./14/cgroup") = 0 [pid 3616] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./14/cgroup.net") = 0 [pid 3616] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./14/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./14") = 0 [pid 3616] mkdir("./15", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3804 attached [pid 3804] chdir("./15") = 0 [pid 3804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 17 [pid 3804] <... prctl resumed>) = 0 [pid 3804] setpgid(0, 0) = 0 [pid 3804] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3804] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3804] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3804] write(3, "1000", 4) = 4 [pid 3804] close(3) = 0 [pid 3804] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3804] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3804] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3804] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3804] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3802] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3801] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3802] close(3 [ 93.447075][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806abccc00: rx timeout, send abort [ 93.455506][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806abc9c00: rx timeout, send abort [ 93.460604][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880771c0000: rx timeout, send abort [ 93.472267][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806abab000: rx timeout, send abort [ 93.494466][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880771c0000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 93.501372][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806abccc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 93.508984][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806abab000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3801] close(3 [pid 3802] <... close resumed>) = 0 [pid 3799] <... sendmsg resumed>) = 106496 [pid 3802] close(4) = -1 EBADF (Bad file descriptor) [pid 3802] close(5) = -1 EBADF (Bad file descriptor) [pid 3802] close(6) = -1 EBADF (Bad file descriptor) [pid 3802] close(7 [pid 3801] <... close resumed>) = 0 [pid 3801] close(4) = -1 EBADF (Bad file descriptor) [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(5) = -1 EBADF (Bad file descriptor) [pid 3802] close(8 [pid 3801] close(6 [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] close(9 [pid 3801] close(7) = -1 EBADF (Bad file descriptor) [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(8 [pid 3802] close(10 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(9 [pid 3802] close(11 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(10 [pid 3802] close(12 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(11 [ 93.523337][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806abc9c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3802] close(13 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(3 [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] close(14) = -1 EBADF (Bad file descriptor) [pid 3802] close(15 [pid 3801] close(12 [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] close(16) = -1 EBADF (Bad file descriptor) [pid 3802] close(17) = -1 EBADF (Bad file descriptor) [pid 3802] close(18) = -1 EBADF (Bad file descriptor) [pid 3802] close(19) = -1 EBADF (Bad file descriptor) [pid 3802] close(20) = -1 EBADF (Bad file descriptor) [pid 3802] close(21 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] close(22) = -1 EBADF (Bad file descriptor) [pid 3802] close(23) = -1 EBADF (Bad file descriptor) [pid 3802] close(24) = -1 EBADF (Bad file descriptor) [pid 3802] close(25) = -1 EBADF (Bad file descriptor) [pid 3802] close(26) = -1 EBADF (Bad file descriptor) [pid 3802] close(27 [pid 3801] close(13 [pid 3802] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3802] close(28) = -1 EBADF (Bad file descriptor) [pid 3802] close(29) = -1 EBADF (Bad file descriptor) [pid 3802] exit_group(0) = ? [pid 3802] +++ exited with 0 +++ [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3801] close(14) = -1 EBADF (Bad file descriptor) [pid 3801] close(15) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3801] close(16 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(17 [pid 3620] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] fstat(3, [pid 3801] close(18 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3801] close(19) = -1 EBADF (Bad file descriptor) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3801] close(20 [pid 3620] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] close(21 [pid 3620] lstat("./12/binderfs", [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3801] close(22 [pid 3620] unlink("./12/binderfs" [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(23 [pid 3620] <... unlink resumed>) = 0 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(24 [pid 3620] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3801] close(25 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./12/cgroup", [pid 3801] close(26 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./12/cgroup" [pid 3801] close(27) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3801] close(28 [pid 3620] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] close(29 [pid 3620] lstat("./12/cgroup.net", [pid 3801] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3803] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3801] exit_group(0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3803] close(3 [pid 3801] <... exit_group resumed>) = ? [pid 3801] +++ exited with 0 +++ [pid 3620] unlink("./12/cgroup.net") = 0 [pid 3620] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3620] lstat("./12/cgroup.cpu", [pid 3619] <... restart_syscall resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./12/cgroup.cpu" [pid 3619] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] getdents64(3, [pid 3619] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3 [pid 3619] <... openat resumed>) = 3 [pid 3620] <... close resumed>) = 0 [pid 3619] fstat(3, [pid 3620] rmdir("./12" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 93.678395][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f703000: rx timeout, send abort [ 93.686801][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880688adc00: rx timeout, send abort [pid 3620] <... rmdir resumed>) = 0 [pid 3619] getdents64(3, [pid 3803] <... close resumed>) = 0 [pid 3620] mkdir("./13", 0777 [pid 3803] close(4 [pid 3620] <... mkdir resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3803] close(5 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3805 attached [pid 3803] close(6 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3805] chdir("./13" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 15 [pid 3805] <... chdir resumed>) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./17/binderfs", [pid 3805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3803] close(7 [pid 3805] <... prctl resumed>) = 0 [pid 3619] unlink("./17/binderfs" [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] setpgid(0, 0 [pid 3803] close(8 [pid 3619] <... unlink resumed>) = 0 [pid 3805] <... setpgid resumed>) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3805] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3803] close(9 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 93.728234][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f703000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 93.742810][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880688adc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3805] <... symlink resumed>) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./17/cgroup", [pid 3805] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3803] close(10 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3805] <... symlink resumed>) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./17/cgroup" [pid 3805] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3803] close(11 [pid 3619] <... unlink resumed>) = 0 [pid 3805] <... symlink resumed>) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3803] close(12 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./17/cgroup.net", [pid 3803] close(13 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./17/cgroup.net" [pid 3803] close(14 [pid 3805] <... openat resumed>) = 3 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3803] close(15 [pid 3619] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3803] close(16 [pid 3619] lstat("./17/cgroup.cpu", [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3803] close(17 [pid 3619] unlink("./17/cgroup.cpu" [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] write(3, "1000", 4 [pid 3619] <... unlink resumed>) = 0 [pid 3803] close(18 [pid 3805] <... write resumed>) = 4 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 3803] close(19 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3805] close(3 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 3805] <... close resumed>) = 0 [pid 3805] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3805] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3803] close(20 [pid 3619] <... close resumed>) = 0 [pid 3805] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3805] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./17" [pid 3805] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3803] close(21 [pid 3619] <... rmdir resumed>) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./18", 0777 [pid 3803] close(22 [pid 3619] <... mkdir resumed>) = 0 [pid 3803] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3803] close(23./strace-static-x86_64: Process 3806 attached ) = -1 EBADF (Bad file descriptor) [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 20 [pid 3803] close(24) = -1 EBADF (Bad file descriptor) [pid 3803] close(25) = -1 EBADF (Bad file descriptor) [pid 3803] close(26) = -1 EBADF (Bad file descriptor) [pid 3803] close(27) = -1 EBADF (Bad file descriptor) [pid 3803] close(28) = -1 EBADF (Bad file descriptor) [pid 3803] close(29) = -1 EBADF (Bad file descriptor) [pid 3803] exit_group(0) = ? [pid 3803] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3806] chdir("./18" [pid 3618] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, [pid 3806] <... chdir resumed>) = 0 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3806] <... prctl resumed>) = 0 [pid 3618] unlink("./16/binderfs") = 0 [pid 3618] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./16/cgroup", [pid 3806] setpgid(0, 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3806] <... setpgid resumed>) = 0 [pid 3618] unlink("./16/cgroup") = 0 [pid 3618] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./16/cgroup.net" [pid 3806] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./16/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3806] <... symlink resumed>) = 0 [pid 3618] close(3 [pid 3806] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3618] <... close resumed>) = 0 [pid 3806] <... symlink resumed>) = 0 [pid 3618] rmdir("./16" [pid 3806] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3618] <... rmdir resumed>) = 0 [pid 3806] <... symlink resumed>) = 0 [pid 3618] mkdir("./17", 0777 [pid 3806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] <... mkdir resumed>) = 0 [pid 3806] <... openat resumed>) = 3 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3807 attached [pid 3806] write(3, "1000", 4) = 4 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 19 [pid 3806] close(3) = 0 [pid 3807] chdir("./17" [pid 3806] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3807] <... chdir resumed>) = 0 [pid 3806] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3806] <... socket resumed>) = 3 [pid 3807] <... prctl resumed>) = 0 [pid 3806] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3807] setpgid(0, 0 [pid 3806] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3807] <... setpgid resumed>) = 0 [pid 3806] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3807] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3806] <... bind resumed>) = 0 [pid 3806] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3807] <... symlink resumed>) = 0 [pid 3807] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3807] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3795] <... close resumed>) = 0 [pid 3795] close(4) = -1 EBADF (Bad file descriptor) [pid 3795] close(5 [pid 3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... openat resumed>) = 3 [pid 3795] close(6 [pid 3807] write(3, "1000", 4 [pid 3795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... write resumed>) = 4 [pid 3795] close(7 [pid 3807] close(3 [pid 3795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = 0 [pid 3795] close(8 [pid 3807] symlink("/dev/binderfs", "./binderfs" [pid 3795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3795] close(9) = -1 EBADF (Bad file descriptor) [pid 3795] close(10) = -1 EBADF (Bad file descriptor) [pid 3795] close(11) = -1 EBADF (Bad file descriptor) [pid 3795] close(12) = -1 EBADF (Bad file descriptor) [pid 3795] close(13) = -1 EBADF (Bad file descriptor) [pid 3795] close(14) = -1 EBADF (Bad file descriptor) [pid 3795] close(15) = -1 EBADF (Bad file descriptor) [pid 3795] close(16) = -1 EBADF (Bad file descriptor) [pid 3795] close(17) = -1 EBADF (Bad file descriptor) [pid 3795] close(18) = -1 EBADF (Bad file descriptor) [pid 3795] close(19) = -1 EBADF (Bad file descriptor) [pid 3795] close(20) = -1 EBADF (Bad file descriptor) [pid 3795] close(21) = -1 EBADF (Bad file descriptor) [pid 3795] close(22) = -1 EBADF (Bad file descriptor) [pid 3795] close(23) = -1 EBADF (Bad file descriptor) [pid 3795] close(24) = -1 EBADF (Bad file descriptor) [pid 3795] close(25) = -1 EBADF (Bad file descriptor) [pid 3795] close(26) = -1 EBADF (Bad file descriptor) [pid 3795] close(27) = -1 EBADF (Bad file descriptor) [pid 3795] close(28) = -1 EBADF (Bad file descriptor) [pid 3795] close(29) = -1 EBADF (Bad file descriptor) [pid 3795] exit_group(0) = ? [pid 3795] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3807] <... symlink resumed>) = 0 [pid 3804] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./9/binderfs") = 0 [pid 3807] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3804] close(3 [pid 3617] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./9/cgroup") = 0 [pid 3617] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 94.072074][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888078413800: rx timeout, send abort [ 94.080466][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806ac04000: rx timeout, send abort [pid 3617] unlink("./9/cgroup.net") = 0 [pid 3617] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3807] <... socket resumed>) = 3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./9/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./9") = 0 [pid 3617] mkdir("./10", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3808 attached [pid 3808] chdir("./10" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 12 [pid 3808] <... chdir resumed>) = 0 [pid 3808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3808] setpgid(0, 0) = 0 [pid 3808] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3808] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3808] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3808] write(3, "1000", 4) = 4 [pid 3808] close(3) = 0 [pid 3808] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3808] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3808] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3808] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3808] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3807] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3804] <... close resumed>) = 0 [pid 3807] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3804] close(4 [pid 3807] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] close(5 [pid 3807] <... bind resumed>) = 0 [pid 3807] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] close(6) = -1 EBADF (Bad file descriptor) [pid 3804] close(7) = -1 EBADF (Bad file descriptor) [pid 3804] close(8) = -1 EBADF (Bad file descriptor) [ 94.113055][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888078413800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 94.127598][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ac04000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3804] close(9) = -1 EBADF (Bad file descriptor) [pid 3804] close(10) = -1 EBADF (Bad file descriptor) [pid 3804] close(11) = -1 EBADF (Bad file descriptor) [pid 3804] close(12) = -1 EBADF (Bad file descriptor) [pid 3804] close(13) = -1 EBADF (Bad file descriptor) [pid 3804] close(14) = -1 EBADF (Bad file descriptor) [pid 3804] close(15) = -1 EBADF (Bad file descriptor) [pid 3804] close(16) = -1 EBADF (Bad file descriptor) [pid 3804] close(17) = -1 EBADF (Bad file descriptor) [pid 3804] close(18) = -1 EBADF (Bad file descriptor) [pid 3804] close(19) = -1 EBADF (Bad file descriptor) [pid 3804] close(20) = -1 EBADF (Bad file descriptor) [pid 3804] close(21) = -1 EBADF (Bad file descriptor) [pid 3804] close(22) = -1 EBADF (Bad file descriptor) [pid 3804] close(23) = -1 EBADF (Bad file descriptor) [pid 3804] close(24) = -1 EBADF (Bad file descriptor) [pid 3804] close(25) = -1 EBADF (Bad file descriptor) [pid 3804] close(26) = -1 EBADF (Bad file descriptor) [pid 3804] close(27) = -1 EBADF (Bad file descriptor) [pid 3804] close(28) = -1 EBADF (Bad file descriptor) [pid 3804] close(29) = -1 EBADF (Bad file descriptor) [pid 3804] exit_group(0) = ? [pid 3804] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./15/binderfs") = 0 [pid 3616] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./15/cgroup") = 0 [pid 3616] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./15/cgroup.net") = 0 [pid 3616] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./15/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./15") = 0 [pid 3616] mkdir("./16", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3809 attached , child_tidptr=0x555556f5d5d0) = 18 [pid 3809] chdir("./16") = 0 [pid 3809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3809] setpgid(0, 0) = 0 [pid 3809] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3809] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3809] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3809] write(3, "1000", 4) = 4 [pid 3809] close(3) = 0 [pid 3809] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3809] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3809] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3809] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3809] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3805] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 94.712126][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b5ef400: rx timeout, send abort [ 94.720505][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888071b1a000: rx timeout, send abort [ 94.745546][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b5ef400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3805] close(3) = 0 [pid 3805] close(4) = -1 EBADF (Bad file descriptor) [pid 3805] close(5) = -1 EBADF (Bad file descriptor) [pid 3805] close(6) = -1 EBADF (Bad file descriptor) [pid 3805] close(7) = -1 EBADF (Bad file descriptor) [pid 3805] close(8) = -1 EBADF (Bad file descriptor) [pid 3805] close(9) = -1 EBADF (Bad file descriptor) [ 94.760083][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888071b1a000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3805] close(10) = -1 EBADF (Bad file descriptor) [pid 3805] close(11) = -1 EBADF (Bad file descriptor) [pid 3805] close(12) = -1 EBADF (Bad file descriptor) [pid 3805] close(13) = -1 EBADF (Bad file descriptor) [pid 3805] close(14) = -1 EBADF (Bad file descriptor) [pid 3805] close(15) = -1 EBADF (Bad file descriptor) [pid 3805] close(16) = -1 EBADF (Bad file descriptor) [pid 3805] close(17) = -1 EBADF (Bad file descriptor) [pid 3805] close(18) = -1 EBADF (Bad file descriptor) [pid 3805] close(19) = -1 EBADF (Bad file descriptor) [pid 3805] close(20) = -1 EBADF (Bad file descriptor) [pid 3805] close(21) = -1 EBADF (Bad file descriptor) [pid 3805] close(22) = -1 EBADF (Bad file descriptor) [pid 3805] close(23) = -1 EBADF (Bad file descriptor) [pid 3805] close(24) = -1 EBADF (Bad file descriptor) [pid 3805] close(25) = -1 EBADF (Bad file descriptor) [pid 3805] close(26) = -1 EBADF (Bad file descriptor) [pid 3805] close(27) = -1 EBADF (Bad file descriptor) [pid 3805] close(28) = -1 EBADF (Bad file descriptor) [pid 3805] close(29) = -1 EBADF (Bad file descriptor) [pid 3805] exit_group(0) = ? [pid 3805] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./13/binderfs") = 0 [pid 3620] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./13/cgroup") = 0 [pid 3620] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./13/cgroup.net") = 0 [pid 3620] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./13/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3807] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] close(3) = 0 [pid 3620] rmdir("./13") = 0 [pid 3807] close(3 [pid 3620] mkdir("./14", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 16 ./strace-static-x86_64: Process 3810 attached [ 95.003004][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807bbfa000: rx timeout, send abort [ 95.011424][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807bbf8400: rx timeout, send abort [pid 3810] chdir("./14" [pid 3807] <... close resumed>) = 0 [ 95.053588][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807bbfa000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 95.068404][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807bbf8400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3810] <... chdir resumed>) = 0 [pid 3808] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3807] close(4 [pid 3810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3808] close(3 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... prctl resumed>) = 0 [pid 3807] close(5 [pid 3810] setpgid(0, 0 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(6 [pid 3810] <... setpgid resumed>) = 0 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] symlink("/syzcgroup/unified/syz4", "./cgroup" [ 95.101971][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888021e65400: rx timeout, send abort [ 95.110348][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a1ad400: rx timeout, send abort [pid 3807] close(7 [pid 3810] <... symlink resumed>) = 0 [pid 3808] <... close resumed>) = 0 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3808] close(4 [pid 3807] close(8 [pid 3810] <... symlink resumed>) = 0 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3808] close(5 [pid 3807] close(9 [pid 3810] <... symlink resumed>) = 0 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3808] close(6 [pid 3807] close(10 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... openat resumed>) = 3 [pid 3808] close(7 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] write(3, "1000", 4 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(11 [pid 3810] <... write resumed>) = 4 [pid 3808] close(8 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] close(3 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(12 [pid 3810] <... close resumed>) = 0 [pid 3810] symlink("/dev/binderfs", "./binderfs" [pid 3808] close(9 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... symlink resumed>) = 0 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 95.143659][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888021e65400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 95.158336][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a1ad400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3807] close(13 [pid 3810] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3808] close(10 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... socket resumed>) = 3 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(14 [pid 3810] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3808] close(11 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(15 [pid 3810] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3808] close(12 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... bind resumed>) = 0 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(16 [pid 3810] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3808] close(13 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(17 [pid 3808] close(14 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(18 [pid 3808] close(15 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(19 [pid 3808] close(16 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(20 [pid 3808] close(17 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(21 [pid 3808] close(18 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(22 [pid 3808] close(19 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(23) = -1 EBADF (Bad file descriptor) [pid 3807] close(24) = -1 EBADF (Bad file descriptor) [pid 3807] close(25) = -1 EBADF (Bad file descriptor) [pid 3807] close(26) = -1 EBADF (Bad file descriptor) [pid 3807] close(27) = -1 EBADF (Bad file descriptor) [pid 3807] close(28) = -1 EBADF (Bad file descriptor) [pid 3807] close(29) = -1 EBADF (Bad file descriptor) [pid 3807] exit_group(0) = ? [pid 3807] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] close(20 [pid 3618] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3808] close(21 [pid 3618] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... openat resumed>) = 3 [pid 3808] close(22 [pid 3618] fstat(3, [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, [pid 3808] close(23) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3808] close(24 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./17/binderfs", [pid 3808] close(25 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./17/binderfs") = 0 [pid 3808] close(26 [pid 3618] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] close(27 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./17/cgroup", [pid 3808] close(28 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] close(29 [pid 3618] unlink("./17/cgroup" [pid 3808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3808] exit_group(0 [pid 3618] <... unlink resumed>) = 0 [pid 3808] <... exit_group resumed>) = ? [pid 3618] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3808] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./17/cgroup.net" [pid 3617] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... unlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] lstat("./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3618] unlink("./17/cgroup.cpu" [pid 3617] fstat(3, [pid 3618] <... unlink resumed>) = 0 [pid 3618] getdents64(3, [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3 [pid 3617] getdents64(3, [pid 3618] <... close resumed>) = 0 [pid 3618] rmdir("./17" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... rmdir resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./10/binderfs") = 0 [pid 3617] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./10/cgroup", [pid 3618] mkdir("./18", 0777 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./10/cgroup") = 0 [pid 3617] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./10/cgroup.net", [pid 3618] <... mkdir resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./10/cgroup.net" [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./10/cgroup.cpu") = 0 ./strace-static-x86_64: Process 3812 attached [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./10") = 0 [pid 3617] mkdir("./11", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 13 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 20 ./strace-static-x86_64: Process 3813 attached [pid 3812] chdir("./18" [pid 3809] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3812] <... chdir resumed>) = 0 [pid 3809] close(3 [pid 3813] chdir("./11" [pid 3812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3813] <... chdir resumed>) = 0 [pid 3812] <... prctl resumed>) = 0 [pid 3813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3812] setpgid(0, 0 [pid 3813] <... prctl resumed>) = 0 [pid 3812] <... setpgid resumed>) = 0 [pid 3813] setpgid(0, 0 [pid 3812] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3813] <... setpgid resumed>) = 0 [pid 3813] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3812] <... symlink resumed>) = 0 [ 95.423752][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806deebc00: rx timeout, send abort [ 95.432165][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b884800: rx timeout, send abort [pid 3813] <... symlink resumed>) = 0 [pid 3812] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3813] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3812] <... symlink resumed>) = 0 [pid 3809] <... close resumed>) = 0 [pid 3813] <... symlink resumed>) = 0 [pid 3812] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3809] close(4 [pid 3813] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3812] <... symlink resumed>) = 0 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... close resumed>) = 0 [pid 3799] close(4) = -1 EBADF (Bad file descriptor) [pid 3799] close(5) = -1 EBADF (Bad file descriptor) [pid 3799] close(6) = -1 EBADF (Bad file descriptor) [pid 3799] close(7) = -1 EBADF (Bad file descriptor) [pid 3799] close(8) = -1 EBADF (Bad file descriptor) [pid 3799] close(9) = -1 EBADF (Bad file descriptor) [pid 3799] close(10 [pid 3809] close(5 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3813] <... symlink resumed>) = 0 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(11 [pid 3813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3809] close(6 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3813] <... openat resumed>) = 3 [pid 3812] <... openat resumed>) = 3 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(12 [pid 3813] write(3, "1000", 4 [pid 3812] write(3, "1000", 4 [pid 3809] close(7 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] <... write resumed>) = 4 [pid 3813] <... write resumed>) = 4 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(13 [pid 3813] close(3 [pid 3812] close(3 [pid 3809] close(8 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3813] <... close resumed>) = 0 [pid 3812] <... close resumed>) = 0 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(14 [pid 3813] symlink("/dev/binderfs", "./binderfs" [pid 3812] symlink("/dev/binderfs", "./binderfs" [pid 3809] close(9 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3813] <... symlink resumed>) = 0 [pid 3812] <... symlink resumed>) = 0 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(15 [pid 3813] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3812] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3809] close(10 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3813] <... socket resumed>) = 3 [pid 3812] <... socket resumed>) = 3 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(16 [pid 3813] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3812] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3799] close(17 [pid 3812] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3813] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3812] <... bind resumed>) = 0 [pid 3809] close(11 [pid 3799] close(18 [pid 3812] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3813] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3813] <... bind resumed>) = 0 [pid 3809] close(12 [pid 3799] close(19 [pid 3813] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(13 [pid 3799] close(20) = -1 EBADF (Bad file descriptor) [pid 3799] close(21) = -1 EBADF (Bad file descriptor) [pid 3799] close(22) = -1 EBADF (Bad file descriptor) [pid 3799] close(23 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 95.464916][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806deebc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 95.479454][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b884800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3809] close(14 [pid 3799] close(24) = -1 EBADF (Bad file descriptor) [pid 3799] close(25) = -1 EBADF (Bad file descriptor) [pid 3799] close(26) = -1 EBADF (Bad file descriptor) [pid 3799] close(27) = -1 EBADF (Bad file descriptor) [pid 3799] close(28) = -1 EBADF (Bad file descriptor) [pid 3799] close(29 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] exit_group(0) = ? [pid 3809] close(15 [pid 3799] +++ exited with 0 +++ [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3809] close(16) = -1 EBADF (Bad file descriptor) [pid 3809] close(17) = -1 EBADF (Bad file descriptor) [pid 3809] close(18) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3809] close(19 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3809] close(20 [pid 3613] <... openat resumed>) = 3 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] fstat(3, [pid 3809] close(21) = -1 EBADF (Bad file descriptor) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3809] close(22) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 3809] close(23 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3809] close(24) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3809] close(25 [pid 3613] lstat("./10/binderfs", [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3809] close(26 [pid 3613] unlink("./10/binderfs" [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 3809] close(27 [pid 3613] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3809] close(28 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./10/cgroup", [pid 3809] close(29) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3809] exit_group(0 [pid 3613] unlink("./10/cgroup" [pid 3809] <... exit_group resumed>) = ? [pid 3613] <... unlink resumed>) = 0 [pid 3809] +++ exited with 0 +++ [pid 3613] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./10/cgroup.net" [pid 3806] <... sendmsg resumed>) = 106496 [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3806] close(3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./10/cgroup.cpu", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3613] unlink("./10/cgroup.cpu" [pid 3616] fstat(3, [pid 3613] <... unlink resumed>) = 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, [pid 3616] getdents64(3, [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] close(3 [pid 3616] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... close resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] rmdir("./10" [pid 3616] lstat("./16/binderfs", [pid 3613] <... rmdir resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] mkdir("./11", 0777 [pid 3616] unlink("./16/binderfs") = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 3616] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3814 attached [pid 3616] lstat("./16/cgroup", [pid 3814] chdir("./11") = 0 [pid 3814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3814] setpgid(0, 0) = 0 [pid 3814] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3814] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3814] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3814] write(3, "1000", 4) = 4 [pid 3814] close(3) = 0 [pid 3814] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 13 [pid 3814] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3616] unlink("./16/cgroup" [pid 3814] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3814] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3616] lstat("./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./16/cgroup.net") = 0 [pid 3616] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3814] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3814] <... bind resumed>) = 0 [pid 3616] lstat("./16/cgroup.cpu", [pid 3814] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./16/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./16") = 0 [pid 3616] mkdir("./17", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 19 ./strace-static-x86_64: Process 3815 attached [pid 3815] chdir("./17") = 0 [pid 3815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3815] setpgid(0, 0) = 0 [pid 3815] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3815] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3815] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3815] write(3, "1000", 4) = 4 [pid 3815] close(3) = 0 [pid 3815] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3815] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3815] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3815] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3815] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3810] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 96.104439][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880261b1000: rx timeout, send abort [ 96.112859][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807aa48400: rx timeout, send abort [pid 3810] close(3) = 0 [pid 3810] close(4) = -1 EBADF (Bad file descriptor) [pid 3810] close(5) = -1 EBADF (Bad file descriptor) [pid 3810] close(6) = -1 EBADF (Bad file descriptor) [pid 3810] close(7) = -1 EBADF (Bad file descriptor) [ 96.162921][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880261b1000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 96.177466][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807aa48400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3810] close(8) = -1 EBADF (Bad file descriptor) [pid 3810] close(9) = -1 EBADF (Bad file descriptor) [pid 3810] close(10) = -1 EBADF (Bad file descriptor) [pid 3810] close(11) = -1 EBADF (Bad file descriptor) [pid 3810] close(12) = -1 EBADF (Bad file descriptor) [pid 3810] close(13) = -1 EBADF (Bad file descriptor) [pid 3810] close(14) = -1 EBADF (Bad file descriptor) [pid 3810] close(15) = -1 EBADF (Bad file descriptor) [pid 3810] close(16) = -1 EBADF (Bad file descriptor) [pid 3810] close(17) = -1 EBADF (Bad file descriptor) [pid 3810] close(18) = -1 EBADF (Bad file descriptor) [pid 3810] close(19) = -1 EBADF (Bad file descriptor) [pid 3810] close(20) = -1 EBADF (Bad file descriptor) [pid 3810] close(21) = -1 EBADF (Bad file descriptor) [pid 3810] close(22) = -1 EBADF (Bad file descriptor) [pid 3810] close(23) = -1 EBADF (Bad file descriptor) [pid 3810] close(24) = -1 EBADF (Bad file descriptor) [pid 3810] close(25) = -1 EBADF (Bad file descriptor) [pid 3810] close(26) = -1 EBADF (Bad file descriptor) [pid 3810] close(27) = -1 EBADF (Bad file descriptor) [pid 3810] close(28) = -1 EBADF (Bad file descriptor) [pid 3810] close(29) = -1 EBADF (Bad file descriptor) [pid 3810] exit_group(0) = ? [pid 3810] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./14/binderfs") = 0 [pid 3812] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3812] close(3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./14/cgroup") = 0 [ 96.384909][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806e0f6000: rx timeout, send abort [ 96.393349][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806e0f6400: rx timeout, send abort [pid 3620] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3812] <... close resumed>) = 0 [pid 3812] close(4) = -1 EBADF (Bad file descriptor) [pid 3812] close(5 [pid 3620] lstat("./14/cgroup.net", [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] close(6) = -1 EBADF (Bad file descriptor) [pid 3812] close(7) = -1 EBADF (Bad file descriptor) [pid 3812] close(8) = -1 EBADF (Bad file descriptor) [pid 3812] close(9) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./14/cgroup.net" [pid 3812] close(10) = -1 EBADF (Bad file descriptor) [pid 3812] close(11) = -1 EBADF (Bad file descriptor) [pid 3812] close(12) = -1 EBADF (Bad file descriptor) [pid 3812] close(13) = -1 EBADF (Bad file descriptor) [pid 3812] close(14) = -1 EBADF (Bad file descriptor) [pid 3812] close(15) = -1 EBADF (Bad file descriptor) [pid 3812] close(16) = -1 EBADF (Bad file descriptor) [pid 3812] close(17) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3812] close(18) = -1 EBADF (Bad file descriptor) [pid 3812] close(19) = -1 EBADF (Bad file descriptor) [pid 3812] close(20) = -1 EBADF (Bad file descriptor) [pid 3812] close(21) = -1 EBADF (Bad file descriptor) [pid 3812] close(22) = -1 EBADF (Bad file descriptor) [pid 3812] close(23) = -1 EBADF (Bad file descriptor) [pid 3812] close(24) = -1 EBADF (Bad file descriptor) [pid 3812] close(25) = -1 EBADF (Bad file descriptor) [pid 3812] close(26) = -1 EBADF (Bad file descriptor) [pid 3812] close(27) = -1 EBADF (Bad file descriptor) [pid 3812] close(28 [pid 3620] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3812] close(29) = -1 EBADF (Bad file descriptor) [pid 3812] exit_group(0) = ? [pid 3812] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] unlink("./14/cgroup.cpu" [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... unlink resumed>) = 0 [pid 3618] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3620] close(3) = 0 [pid 3618] fstat(3, [pid 3620] rmdir("./14" [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] <... rmdir resumed>) = 0 [ 96.438527][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e0f6000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 96.453079][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e0f6400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] getdents64(3, [pid 3620] mkdir("./15", 0777 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] <... mkdir resumed>) = 0 [pid 3618] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./18/binderfs") = 0 [pid 3618] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./18/cgroup") = 0 [pid 3618] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./18/cgroup.net") = 0 [pid 3618] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./18/cgroup.cpu") = 0 ./strace-static-x86_64: Process 3816 attached [pid 3618] getdents64(3, [pid 3816] chdir("./15" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 17 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3816] <... chdir resumed>) = 0 [pid 3618] close(3 [pid 3816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] <... close resumed>) = 0 [pid 3816] <... prctl resumed>) = 0 [pid 3618] rmdir("./18" [pid 3816] setpgid(0, 0) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3618] mkdir("./19", 0777 [pid 3816] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3618] <... mkdir resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3817 attached [pid 3816] <... symlink resumed>) = 0 [pid 3816] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 21 [pid 3816] <... symlink resumed>) = 0 [pid 3816] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3817] chdir("./19") = 0 [pid 3816] <... symlink resumed>) = 0 [pid 3816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3817] setpgid(0, 0 [pid 3816] <... openat resumed>) = 3 [pid 3817] <... setpgid resumed>) = 0 [pid 3816] write(3, "1000", 4 [pid 3817] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3816] <... write resumed>) = 4 [pid 3816] close(3) = 0 [pid 3816] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3816] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3817] <... symlink resumed>) = 0 [pid 3816] <... socket resumed>) = 3 [pid 3816] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3816] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3816] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3817] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3817] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3817] write(3, "1000", 4) = 4 [pid 3817] close(3) = 0 [pid 3817] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3817] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3817] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3817] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3817] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3815] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 96.776148][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073af2c00: rx timeout, send abort [ 96.784602][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073af3800: rx timeout, send abort [pid 3815] close(3) = 0 [ 96.814016][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073af2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 96.828565][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073af3800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 96.864230][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c961000: rx timeout, send abort [ 96.872710][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c961c00: rx timeout, send abort [pid 3815] close(4) = -1 EBADF (Bad file descriptor) [pid 3814] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3815] close(5 [pid 3814] close(3 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = 0 [pid 3815] close(6 [pid 3814] close(4 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(7 [pid 3814] close(5 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(8 [pid 3814] close(6 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(9 [pid 3814] close(7 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(10 [pid 3814] close(8 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(11 [pid 3814] close(9 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(12 [pid 3814] close(10 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(13 [pid 3814] close(11 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(14 [pid 3814] close(12 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(15 [pid 3814] close(13 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(16 [pid 3814] close(14 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(17 [pid 3814] close(15 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(18 [pid 3814] close(16 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(19 [pid 3814] close(17 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(20 [pid 3814] close(18 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(21 [pid 3814] close(19 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(22 [pid 3814] close(20 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(23 [pid 3814] close(21 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(24 [pid 3814] close(22 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(25 [pid 3814] close(23 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(26 [pid 3814] close(24 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(27 [pid 3814] close(25 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(28 [pid 3814] close(26 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] close(29 [pid 3814] close(27 [pid 3815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] exit_group(0 [pid 3814] close(28 [pid 3815] <... exit_group resumed>) = ? [ 96.909498][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c961000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 96.924105][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c961c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3815] +++ exited with 0 +++ [pid 3814] close(29) = -1 EBADF (Bad file descriptor) [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3814] exit_group(0) = ? [pid 3814] +++ exited with 0 +++ [pid 3616] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3616] <... openat resumed>) = 3 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, [pid 3613] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... openat resumed>) = 3 [pid 3616] lstat("./17/binderfs", [pid 3613] fstat(3, [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] unlink("./17/binderfs" [pid 3613] getdents64(3, [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./17/cgroup", [pid 3613] lstat("./11/binderfs", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./17/cgroup" [pid 3613] unlink("./11/binderfs" [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./17/cgroup.net", [pid 3613] lstat("./11/cgroup", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./17/cgroup.net" [pid 3613] unlink("./11/cgroup" [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./17/cgroup.cpu", [pid 3613] lstat("./11/cgroup.net", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./17/cgroup.cpu" [pid 3613] unlink("./11/cgroup.net" [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] getdents64(3, [pid 3613] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] close(3 [pid 3613] lstat("./11/cgroup.cpu", [pid 3616] <... close resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] rmdir("./17" [pid 3613] unlink("./11/cgroup.cpu" [pid 3616] <... rmdir resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] mkdir("./18", 0777 [pid 3613] getdents64(3, [pid 3616] <... mkdir resumed>) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] close(3) = 0 ./strace-static-x86_64: Process 3818 attached [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 20 [pid 3613] rmdir("./11" [pid 3818] chdir("./18" [pid 3613] <... rmdir resumed>) = 0 [pid 3613] mkdir("./12", 0777 [pid 3818] <... chdir resumed>) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3818] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 3819 attached ) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 14 [pid 3819] chdir("./12" [pid 3818] setpgid(0, 0 [pid 3819] <... chdir resumed>) = 0 [pid 3818] <... setpgid resumed>) = 0 [pid 3819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3818] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3819] <... prctl resumed>) = 0 [pid 3818] <... symlink resumed>) = 0 [pid 3818] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3819] setpgid(0, 0) = 0 [pid 3818] <... symlink resumed>) = 0 [pid 3818] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3819] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3818] <... symlink resumed>) = 0 [pid 3819] <... symlink resumed>) = 0 [pid 3818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3819] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3818] <... openat resumed>) = 3 [pid 3819] <... symlink resumed>) = 0 [pid 3818] write(3, "1000", 4 [pid 3819] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3818] <... write resumed>) = 4 [pid 3819] <... symlink resumed>) = 0 [pid 3818] close(3 [pid 3819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3818] <... close resumed>) = 0 [pid 3819] <... openat resumed>) = 3 [pid 3818] symlink("/dev/binderfs", "./binderfs" [pid 3819] write(3, "1000", 4 [pid 3818] <... symlink resumed>) = 0 [pid 3819] <... write resumed>) = 4 [pid 3818] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3819] close(3 [pid 3818] <... socket resumed>) = 3 [pid 3819] <... close resumed>) = 0 [pid 3818] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3819] symlink("/dev/binderfs", "./binderfs" [pid 3818] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3819] <... symlink resumed>) = 0 [pid 3818] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3819] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3818] <... bind resumed>) = 0 [pid 3819] <... socket resumed>) = 3 [pid 3818] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3819] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3819] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3819] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3813] <... sendmsg resumed>) = 106496 [pid 3813] close(3 [pid 3806] <... close resumed>) = 0 [pid 3806] close(4) = -1 EBADF (Bad file descriptor) [pid 3806] close(5) = -1 EBADF (Bad file descriptor) [pid 3806] close(6) = -1 EBADF (Bad file descriptor) [pid 3806] close(7) = -1 EBADF (Bad file descriptor) [pid 3806] close(8) = -1 EBADF (Bad file descriptor) [pid 3806] close(9) = -1 EBADF (Bad file descriptor) [pid 3806] close(10) = -1 EBADF (Bad file descriptor) [pid 3806] close(11) = -1 EBADF (Bad file descriptor) [pid 3806] close(12) = -1 EBADF (Bad file descriptor) [pid 3806] close(13) = -1 EBADF (Bad file descriptor) [pid 3806] close(14) = -1 EBADF (Bad file descriptor) [pid 3806] close(15) = -1 EBADF (Bad file descriptor) [pid 3806] close(16) = -1 EBADF (Bad file descriptor) [pid 3806] close(17) = -1 EBADF (Bad file descriptor) [pid 3806] close(18) = -1 EBADF (Bad file descriptor) [pid 3806] close(19) = -1 EBADF (Bad file descriptor) [pid 3806] close(20) = -1 EBADF (Bad file descriptor) [pid 3806] close(21) = -1 EBADF (Bad file descriptor) [pid 3806] close(22) = -1 EBADF (Bad file descriptor) [pid 3806] close(23) = -1 EBADF (Bad file descriptor) [pid 3806] close(24) = -1 EBADF (Bad file descriptor) [pid 3806] close(25) = -1 EBADF (Bad file descriptor) [pid 3806] close(26) = -1 EBADF (Bad file descriptor) [pid 3806] close(27) = -1 EBADF (Bad file descriptor) [pid 3806] close(28) = -1 EBADF (Bad file descriptor) [pid 3806] close(29) = -1 EBADF (Bad file descriptor) [pid 3806] exit_group(0) = ? [pid 3806] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./18/binderfs") = 0 [pid 3619] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./18/cgroup") = 0 [pid 3619] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./18/cgroup.net") = 0 [pid 3619] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./18/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./18") = 0 [pid 3619] mkdir("./19", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3820 attached [pid 3820] chdir("./19" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 21 [pid 3820] <... chdir resumed>) = 0 [pid 3820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3820] setpgid(0, 0) = 0 [pid 3818] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3818] close(3 [ 98.126947][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b1f1400: rx timeout, send abort [ 98.135399][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b1f2800: rx timeout, send abort [ 98.161725][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b1f1400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3820] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3820] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3820] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3820] write(3, "1000", 4) = 4 [pid 3820] close(3) = 0 [pid 3820] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3820] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3820] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3820] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3820] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3818] <... close resumed>) = 0 [pid 3818] close(4) = -1 EBADF (Bad file descriptor) [pid 3818] close(5) = -1 EBADF (Bad file descriptor) [ 98.176272][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b1f2800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3818] close(6) = -1 EBADF (Bad file descriptor) [pid 3818] close(7) = -1 EBADF (Bad file descriptor) [pid 3818] close(8) = -1 EBADF (Bad file descriptor) [pid 3818] close(9) = -1 EBADF (Bad file descriptor) [pid 3818] close(10) = -1 EBADF (Bad file descriptor) [pid 3818] close(11) = -1 EBADF (Bad file descriptor) [pid 3818] close(12) = -1 EBADF (Bad file descriptor) [pid 3818] close(13) = -1 EBADF (Bad file descriptor) [pid 3818] close(14) = -1 EBADF (Bad file descriptor) [pid 3818] close(15) = -1 EBADF (Bad file descriptor) [pid 3818] close(16) = -1 EBADF (Bad file descriptor) [pid 3818] close(17) = -1 EBADF (Bad file descriptor) [pid 3818] close(18) = -1 EBADF (Bad file descriptor) [pid 3818] close(19) = -1 EBADF (Bad file descriptor) [pid 3818] close(20) = -1 EBADF (Bad file descriptor) [pid 3818] close(21) = -1 EBADF (Bad file descriptor) [pid 3818] close(22) = -1 EBADF (Bad file descriptor) [pid 3818] close(23) = -1 EBADF (Bad file descriptor) [pid 3818] close(24) = -1 EBADF (Bad file descriptor) [pid 3818] close(25) = -1 EBADF (Bad file descriptor) [pid 3818] close(26) = -1 EBADF (Bad file descriptor) [pid 3818] close(27) = -1 EBADF (Bad file descriptor) [pid 3818] close(28) = -1 EBADF (Bad file descriptor) [pid 3818] close(29) = -1 EBADF (Bad file descriptor) [pid 3818] exit_group(0) = ? [pid 3818] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./18/binderfs") = 0 [pid 3616] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./18/cgroup") = 0 [pid 3616] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./18/cgroup.net") = 0 [pid 3616] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./18/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./18") = 0 [pid 3616] mkdir("./19", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3822 attached , child_tidptr=0x555556f5d5d0) = 21 [pid 3822] chdir("./19") = 0 [pid 3822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3822] setpgid(0, 0) = 0 [pid 3822] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3822] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3822] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3822] write(3, "1000", 4) = 4 [pid 3822] close(3) = 0 [pid 3822] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3822] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3822] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3822] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3822] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3817] <... sendmsg resumed>) = 106496 [pid 3817] close(3 [pid 3822] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 99.694451][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807f94a000: rx timeout, send abort [ 99.702865][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888025623800: rx timeout, send abort [pid 3822] close(3 [pid 3816] <... sendmsg resumed>) = 106496 [pid 3816] close(3 [pid 3822] <... close resumed>) = 0 [pid 3822] close(4) = -1 EBADF (Bad file descriptor) [pid 3822] close(5) = -1 EBADF (Bad file descriptor) [pid 3822] close(6) = -1 EBADF (Bad file descriptor) [ 99.781343][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807f94a000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 99.795900][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888025623800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3822] close(7) = -1 EBADF (Bad file descriptor) [pid 3822] close(8) = -1 EBADF (Bad file descriptor) [pid 3822] close(9) = -1 EBADF (Bad file descriptor) [pid 3822] close(10) = -1 EBADF (Bad file descriptor) [pid 3822] close(11) = -1 EBADF (Bad file descriptor) [pid 3822] close(12) = -1 EBADF (Bad file descriptor) [pid 3822] close(13) = -1 EBADF (Bad file descriptor) [pid 3822] close(14) = -1 EBADF (Bad file descriptor) [pid 3822] close(15) = -1 EBADF (Bad file descriptor) [pid 3822] close(16) = -1 EBADF (Bad file descriptor) [pid 3822] close(17 [pid 3819] <... sendmsg resumed>) = 106496 [pid 3822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3819] close(3 [pid 3822] close(18) = -1 EBADF (Bad file descriptor) [pid 3822] close(19) = -1 EBADF (Bad file descriptor) [pid 3822] close(20) = -1 EBADF (Bad file descriptor) [pid 3822] close(21) = -1 EBADF (Bad file descriptor) [pid 3822] close(22) = -1 EBADF (Bad file descriptor) [pid 3822] close(23) = -1 EBADF (Bad file descriptor) [pid 3822] close(24) = -1 EBADF (Bad file descriptor) [pid 3822] close(25) = -1 EBADF (Bad file descriptor) [pid 3822] close(26) = -1 EBADF (Bad file descriptor) [pid 3822] close(27) = -1 EBADF (Bad file descriptor) [pid 3822] close(28) = -1 EBADF (Bad file descriptor) [pid 3822] close(29) = -1 EBADF (Bad file descriptor) [pid 3822] exit_group(0) = ? [pid 3822] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./19/binderfs") = 0 [pid 3616] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./19/cgroup") = 0 [pid 3616] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./19/cgroup.net") = 0 [pid 3616] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./19/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./19") = 0 [pid 3616] mkdir("./20", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3823 attached [pid 3823] chdir("./20" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 22 [pid 3823] <... chdir resumed>) = 0 [pid 3823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3823] setpgid(0, 0) = 0 [pid 3823] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3823] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3823] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3823] write(3, "1000", 4) = 4 [pid 3823] close(3) = 0 [pid 3823] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3823] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3823] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3823] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3617] kill(-13, SIGKILL [pid 3813] <... close resumed>) = ? [pid 3617] <... kill resumed>) = 0 [pid 3813] +++ killed by SIGKILL +++ [pid 3617] kill(13, SIGKILL) = 0 [pid 3823] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=13, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3617] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./11/binderfs") = 0 [pid 3617] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./11/cgroup") = 0 [pid 3617] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./11/cgroup.net") = 0 [pid 3617] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./11/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./11") = 0 [pid 3617] mkdir("./12", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 14 ./strace-static-x86_64: Process 3824 attached [pid 3824] chdir("./12") = 0 [pid 3824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3824] setpgid(0, 0) = 0 [pid 3824] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3824] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3824] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3824] write(3, "1000", 4) = 4 [pid 3824] close(3) = 0 [pid 3824] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3824] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3824] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3824] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3824] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3820] <... sendmsg resumed>) = 106496 [pid 3820] close(3 [pid 3823] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 101.390210][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880690f2c00: rx timeout, send abort [ 101.398625][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e250800: rx timeout, send abort [pid 3823] close(3) = 0 [pid 3823] close(4) = -1 EBADF (Bad file descriptor) [pid 3823] close(5) = -1 EBADF (Bad file descriptor) [pid 3823] close(6) = -1 EBADF (Bad file descriptor) [pid 3823] close(7) = -1 EBADF (Bad file descriptor) [pid 3823] close(8) = -1 EBADF (Bad file descriptor) [pid 3823] close(9) = -1 EBADF (Bad file descriptor) [pid 3823] close(10) = -1 EBADF (Bad file descriptor) [pid 3823] close(11) = -1 EBADF (Bad file descriptor) [pid 3823] close(12) = -1 EBADF (Bad file descriptor) [pid 3823] close(13) = -1 EBADF (Bad file descriptor) [pid 3823] close(14) = -1 EBADF (Bad file descriptor) [pid 3823] close(15) = -1 EBADF (Bad file descriptor) [pid 3823] close(16) = -1 EBADF (Bad file descriptor) [pid 3823] close(17) = -1 EBADF (Bad file descriptor) [pid 3823] close(18) = -1 EBADF (Bad file descriptor) [pid 3823] close(19) = -1 EBADF (Bad file descriptor) [pid 3823] close(20) = -1 EBADF (Bad file descriptor) [pid 3823] close(21) = -1 EBADF (Bad file descriptor) [pid 3823] close(22) = -1 EBADF (Bad file descriptor) [pid 3823] close(23) = -1 EBADF (Bad file descriptor) [ 101.430687][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880690f2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 101.445214][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e250800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3823] close(24) = -1 EBADF (Bad file descriptor) [pid 3823] close(25) = -1 EBADF (Bad file descriptor) [pid 3823] close(26) = -1 EBADF (Bad file descriptor) [pid 3823] close(27) = -1 EBADF (Bad file descriptor) [pid 3823] close(28) = -1 EBADF (Bad file descriptor) [pid 3823] close(29) = -1 EBADF (Bad file descriptor) [pid 3823] exit_group(0) = ? [pid 3823] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 101.472995][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806991fc00: rx timeout, send abort [ 101.481396][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806991e400: rx timeout, send abort [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 3816] <... close resumed>) = 0 [pid 3816] close(4) = -1 EBADF (Bad file descriptor) [pid 3816] close(5 [pid 3616] <... restart_syscall resumed>) = 0 [pid 3616] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 101.520160][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806991fc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 101.535447][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806991e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./20/binderfs", [pid 3816] close(6 [pid 3620] kill(-17, SIGKILL [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3816] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 3616] unlink("./20/binderfs" [pid 3816] +++ killed by SIGKILL +++ [pid 3620] kill(17, SIGKILL) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=17, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3620] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] kill(-21, SIGKILL [pid 3620] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3817] <... close resumed>) = ? [pid 3620] <... openat resumed>) = 3 [pid 3618] <... kill resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3817] +++ killed by SIGKILL +++ [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=21, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4} --- [pid 3616] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] kill(21, SIGKILL [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./15/binderfs", [pid 3618] <... kill resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./15/binderfs") = 0 [pid 3620] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] lstat("./20/cgroup", [pid 3620] unlink("./15/cgroup") = 0 [pid 3620] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./15/cgroup.net") = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./15/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./15") = 0 [pid 3620] mkdir("./16", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] unlink("./20/cgroup" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 18 ./strace-static-x86_64: Process 3825 attached [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3825] chdir("./16") = 0 [pid 3618] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] <... openat resumed>) = 3 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3825] <... prctl resumed>) = 0 [pid 3618] fstat(3, [pid 3616] lstat("./20/cgroup.net", [pid 3825] setpgid(0, 0 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] getdents64(3, [pid 3825] <... setpgid resumed>) = 0 [pid 3616] unlink("./20/cgroup.net" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] <... unlink resumed>) = 0 [pid 3825] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3618] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3825] <... symlink resumed>) = 0 [pid 3618] lstat("./19/binderfs", [pid 3616] lstat("./20/cgroup.cpu", [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3825] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3618] unlink("./19/binderfs" [pid 3616] unlink("./20/cgroup.cpu" [pid 3825] <... symlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3825] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3618] <... unlink resumed>) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3825] <... symlink resumed>) = 0 [pid 3618] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [ 101.704346][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d0f8800: rx timeout, send abort [pid 3616] close(3 [pid 3825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... close resumed>) = 0 [pid 3825] <... openat resumed>) = 3 [pid 3618] lstat("./19/cgroup", [pid 3616] rmdir("./20" [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3825] write(3, "1000", 4 [pid 3618] unlink("./19/cgroup" [pid 3616] <... rmdir resumed>) = 0 [pid 3825] <... write resumed>) = 4 [pid 3825] close(3 [pid 3618] <... unlink resumed>) = 0 [pid 3616] mkdir("./21", 0777 [pid 3825] <... close resumed>) = 0 [pid 3618] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... mkdir resumed>) = 0 [pid 3825] symlink("/dev/binderfs", "./binderfs" [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3827 attached [pid 3825] <... symlink resumed>) = 0 [pid 3618] lstat("./19/cgroup.net", [pid 3827] chdir("./21") = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 23 [pid 3825] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] unlink("./19/cgroup.net" [pid 3827] <... prctl resumed>) = 0 [pid 3827] setpgid(0, 0) = 0 [pid 3827] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3827] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3825] <... socket resumed>) = 3 [pid 3618] <... unlink resumed>) = 0 [pid 3827] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3825] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3824] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3827] <... symlink resumed>) = 0 [pid 3824] close(3 [pid 3618] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3824] <... close resumed>) = 0 [pid 3827] <... openat resumed>) = 3 [pid 3824] close(4 [pid 3827] write(3, "1000", 4 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... write resumed>) = 4 [pid 3824] close(5 [pid 3827] close(3 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... close resumed>) = 0 [pid 3824] close(6 [pid 3827] symlink("/dev/binderfs", "./binderfs" [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... symlink resumed>) = 0 [pid 3824] close(7 [pid 3827] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... socket resumed>) = 3 [pid 3824] close(8 [pid 3825] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3827] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3825] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3827] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3824] close(9 [pid 3825] <... bind resumed>) = 0 [pid 3618] lstat("./19/cgroup.cpu", [pid 3827] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... bind resumed>) = 0 [pid 3824] close(10 [pid 3827] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3825] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3824] close(11 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(12) = -1 EBADF (Bad file descriptor) [pid 3824] close(13) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./19/cgroup.cpu" [pid 3824] close(14) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3824] close(15 [pid 3618] getdents64(3, [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3824] close(16 [pid 3618] close(3 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(17 [pid 3618] <... close resumed>) = 0 [ 101.802644][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801747a800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 101.817130][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880790ad000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] rmdir("./19" [pid 3824] close(18) = -1 EBADF (Bad file descriptor) [pid 3824] close(19 [pid 3618] <... rmdir resumed>) = 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] mkdir("./20", 0777 [pid 3824] close(20) = -1 EBADF (Bad file descriptor) [pid 3824] close(21 [pid 3618] <... mkdir resumed>) = 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3824] close(22) = -1 EBADF (Bad file descriptor) [pid 3824] close(23) = -1 EBADF (Bad file descriptor) [pid 3824] close(24./strace-static-x86_64: Process 3828 attached ) = -1 EBADF (Bad file descriptor) [pid 3828] chdir("./20" [pid 3824] close(25 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 22 [pid 3828] <... chdir resumed>) = 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3824] close(26 [pid 3828] <... prctl resumed>) = 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] setpgid(0, 0 [pid 3824] close(27 [pid 3828] <... setpgid resumed>) = 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3824] close(28 [pid 3828] <... symlink resumed>) = 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3824] close(29 [pid 3828] <... symlink resumed>) = 0 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3824] exit_group(0 [pid 3828] <... symlink resumed>) = 0 [pid 3824] <... exit_group resumed>) = ? [pid 3828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3824] +++ exited with 0 +++ [pid 3828] <... openat resumed>) = 3 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3828] write(3, "1000", 4) = 4 [pid 3828] close(3 [pid 3617] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3828] <... close resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3828] symlink("/dev/binderfs", "./binderfs" [pid 3617] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3828] <... symlink resumed>) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3828] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] fstat(3, [pid 3828] <... socket resumed>) = 3 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3828] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] getdents64(3, [pid 3828] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3828] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3828] <... bind resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3828] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./12/binderfs") = 0 [pid 3617] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./12/cgroup") = 0 [pid 3617] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./12/cgroup.net") = 0 [pid 3617] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./12/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./12") = 0 [pid 3617] mkdir("./13", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3829 attached [pid 3829] chdir("./13" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 15 [pid 3829] <... chdir resumed>) = 0 [pid 3829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3829] setpgid(0, 0) = 0 [pid 3829] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3829] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3829] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3829] write(3, "1000", 4) = 4 [pid 3829] close(3) = 0 [pid 3829] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3829] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3829] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3829] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3829] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] kill(-14, SIGKILL) = 0 [pid 3613] kill(14, SIGKILL) = 0 [pid 3819] <... close resumed>) = ? [pid 3819] +++ killed by SIGKILL +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=14, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3613] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./12/binderfs") = 0 [pid 3613] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./12/cgroup") = 0 [pid 3613] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./12/cgroup.net") = 0 [pid 3613] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./12/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./12") = 0 [pid 3613] mkdir("./13", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3830 attached [pid 3830] chdir("./13") = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 15 [pid 3830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3830] setpgid(0, 0) = 0 [pid 3830] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3830] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3830] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3830] write(3, "1000", 4) = 4 [pid 3830] close(3) = 0 [pid 3830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3830] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3830] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3830] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3830] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3828] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 102.244814][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d0f8800: abort rx timeout. Force session deactivation [ 102.255164][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f16b800: rx timeout, send abort [pid 3828] close(3) = 0 [pid 3828] close(4) = -1 EBADF (Bad file descriptor) [pid 3828] close(5) = -1 EBADF (Bad file descriptor) [pid 3828] close(6) = -1 EBADF (Bad file descriptor) [pid 3828] close(7) = -1 EBADF (Bad file descriptor) [pid 3828] close(8) = -1 EBADF (Bad file descriptor) [pid 3828] close(9) = -1 EBADF (Bad file descriptor) [pid 3828] close(10) = -1 EBADF (Bad file descriptor) [pid 3828] close(11) = -1 EBADF (Bad file descriptor) [pid 3828] close(12) = -1 EBADF (Bad file descriptor) [pid 3828] close(13) = -1 EBADF (Bad file descriptor) [pid 3828] close(14) = -1 EBADF (Bad file descriptor) [pid 3828] close(15) = -1 EBADF (Bad file descriptor) [pid 3828] close(16) = -1 EBADF (Bad file descriptor) [pid 3828] close(17) = -1 EBADF (Bad file descriptor) [pid 3828] close(18) = -1 EBADF (Bad file descriptor) [pid 3828] close(19) = -1 EBADF (Bad file descriptor) [pid 3828] close(20) = -1 EBADF (Bad file descriptor) [pid 3828] close(21) = -1 EBADF (Bad file descriptor) [pid 3828] close(22) = -1 EBADF (Bad file descriptor) [pid 3828] close(23) = -1 EBADF (Bad file descriptor) [pid 3828] close(24) = -1 EBADF (Bad file descriptor) [pid 3828] close(25) = -1 EBADF (Bad file descriptor) [pid 3828] close(26) = -1 EBADF (Bad file descriptor) [pid 3828] close(27) = -1 EBADF (Bad file descriptor) [pid 3828] close(28) = -1 EBADF (Bad file descriptor) [pid 3828] close(29) = -1 EBADF (Bad file descriptor) [pid 3828] exit_group(0) = ? [pid 3828] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./20/binderfs") = 0 [pid 3618] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./20/cgroup") = 0 [pid 3618] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./20/cgroup.net") = 0 [pid 3618] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./20/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./20") = 0 [pid 3618] mkdir("./21", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3831 attached [pid 3831] chdir("./21") = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 23 [pid 3831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3831] setpgid(0, 0) = 0 [pid 3831] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [ 102.294610][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f16b800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 102.309525][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073876c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3831] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3831] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3831] write(3, "1000", 4) = 4 [pid 3831] close(3) = 0 [pid 3831] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3831] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3831] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3831] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 102.389484][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b342c00: rx timeout, send abort [pid 3831] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3827] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 102.795822][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888016a67800: rx timeout, send abort [ 102.804232][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888073876800: rx timeout, send abort [pid 3827] close(3) = 0 [pid 3827] close(4) = -1 EBADF (Bad file descriptor) [pid 3827] close(5) = -1 EBADF (Bad file descriptor) [pid 3827] close(6) = -1 EBADF (Bad file descriptor) [pid 3827] close(7) = -1 EBADF (Bad file descriptor) [pid 3827] close(8) = -1 EBADF (Bad file descriptor) [pid 3827] close(9) = -1 EBADF (Bad file descriptor) [pid 3827] close(10) = -1 EBADF (Bad file descriptor) [pid 3827] close(11) = -1 EBADF (Bad file descriptor) [pid 3827] close(12) = -1 EBADF (Bad file descriptor) [pid 3827] close(13) = -1 EBADF (Bad file descriptor) [pid 3827] close(14) = -1 EBADF (Bad file descriptor) [ 102.868184][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888016a67800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 102.882767][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073876800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 102.923893][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b342c00: abort rx timeout. Force session deactivation [ 102.934240][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b1f2c00: rx timeout, send abort [pid 3827] close(15) = -1 EBADF (Bad file descriptor) [pid 3827] close(16) = -1 EBADF (Bad file descriptor) [pid 3827] close(17) = -1 EBADF (Bad file descriptor) [pid 3827] close(18) = -1 EBADF (Bad file descriptor) [pid 3827] close(19) = -1 EBADF (Bad file descriptor) [pid 3827] close(20) = -1 EBADF (Bad file descriptor) [pid 3827] close(21) = -1 EBADF (Bad file descriptor) [pid 3827] close(22) = -1 EBADF (Bad file descriptor) [pid 3827] close(23) = -1 EBADF (Bad file descriptor) [pid 3827] close(24) = -1 EBADF (Bad file descriptor) [pid 3827] close(25) = -1 EBADF (Bad file descriptor) [pid 3830] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3830] close(3) = 0 [pid 3830] close(4) = -1 EBADF (Bad file descriptor) [pid 3830] close(5) = -1 EBADF (Bad file descriptor) [pid 3830] close(6) = -1 EBADF (Bad file descriptor) [pid 3830] close(7) = -1 EBADF (Bad file descriptor) [pid 3830] close(8) = -1 EBADF (Bad file descriptor) [pid 3830] close(9) = -1 EBADF (Bad file descriptor) [pid 3830] close(10) = -1 EBADF (Bad file descriptor) [pid 3830] close(11) = -1 EBADF (Bad file descriptor) [pid 3830] close(12) = -1 EBADF (Bad file descriptor) [pid 3830] close(13) = -1 EBADF (Bad file descriptor) [pid 3830] close(14) = -1 EBADF (Bad file descriptor) [pid 3830] close(15) = -1 EBADF (Bad file descriptor) [pid 3830] close(16 [pid 3827] close(26 [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] close(17 [pid 3827] close(27 [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] close(18 [pid 3827] close(28 [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] close(19 [pid 3827] close(29 [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] close(20 [pid 3827] exit_group(0 [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3827] <... exit_group resumed>) = ? [pid 3830] close(21 [pid 3827] +++ exited with 0 +++ [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] close(22 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] close(23 [pid 3616] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3830] close(24 [pid 3616] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... openat resumed>) = 3 [pid 3830] close(25) = -1 EBADF (Bad file descriptor) [pid 3616] fstat(3, [pid 3830] close(26 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, [pid 3830] close(27 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3830] close(28 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./21/binderfs", [pid 3830] close(29 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./21/binderfs" [pid 3830] exit_group(0 [pid 3616] <... unlink resumed>) = 0 [pid 3830] <... exit_group resumed>) = ? [pid 3616] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3830] +++ exited with 0 +++ [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./21/cgroup") = 0 [pid 3616] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./21/cgroup.net") = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./21/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] rmdir("./21") = 0 [pid 3616] mkdir("./22", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3832 attached [pid 3832] chdir("./22" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 24 [pid 3832] <... chdir resumed>) = 0 [pid 3832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3832] setpgid(0, 0) = 0 [pid 3832] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3832] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [ 102.975648][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069894800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 102.990088][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a2c7800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3832] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3832] <... openat resumed>) = 3 [pid 3832] write(3, "1000", 4 [pid 3613] <... openat resumed>) = 3 [pid 3832] <... write resumed>) = 4 [pid 3832] close(3) = 0 [pid 3832] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3832] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3832] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3832] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3832] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./13/binderfs") = 0 [pid 3613] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3825] <... sendmsg resumed>) = 106496 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3825] close(3 [pid 3613] lstat("./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./13/cgroup") = 0 [pid 3613] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] kill(-21, SIGKILL [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3820] <... close resumed>) = ? [pid 3619] <... kill resumed>) = 0 [pid 3613] lstat("./13/cgroup.net", [pid 3820] +++ killed by SIGKILL +++ [pid 3619] kill(21, SIGKILL [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... kill resumed>) = 0 [pid 3613] unlink("./13/cgroup.net" [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=21, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4} --- [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] lstat("./13/cgroup.cpu", [pid 3619] <... openat resumed>) = 3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] fstat(3, [pid 3613] unlink("./13/cgroup.cpu" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, [pid 3613] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] getdents64(3, [pid 3619] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./19/binderfs", [pid 3613] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... close resumed>) = 0 [pid 3619] unlink("./19/binderfs" [pid 3613] rmdir("./13" [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... rmdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./19/cgroup", [pid 3613] mkdir("./14", 0777 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 3619] unlink("./19/cgroup" [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3833 attached [pid 3619] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3833] chdir("./14" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 16 [pid 3619] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./19/cgroup.net") = 0 [pid 3619] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./19/cgroup.cpu", [pid 3833] <... chdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] unlink("./19/cgroup.cpu" [pid 3833] <... prctl resumed>) = 0 [pid 3833] setpgid(0, 0) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3833] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3833] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3833] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3619] getdents64(3, [pid 3833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3833] write(3, "1000", 4 [pid 3619] close(3 [pid 3833] <... write resumed>) = 4 [pid 3833] close(3) = 0 [pid 3833] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3833] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3833] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3833] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3833] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./19") = 0 [pid 3619] mkdir("./20", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3834 attached [pid 3834] chdir("./20" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 22 [pid 3834] <... chdir resumed>) = 0 [pid 3834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3834] setpgid(0, 0) = 0 [pid 3834] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3834] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3834] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3834] write(3, "1000", 4 [pid 3831] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3834] <... write resumed>) = 4 [pid 3831] close(3 [pid 3834] close(3) = 0 [pid 3834] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3834] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3834] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [ 103.385804][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888076cb2800: rx timeout, send abort [ 103.394279][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d241000: rx timeout, send abort [pid 3834] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 103.446822][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b1f2c00: abort rx timeout. Force session deactivation [pid 3834] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3831] <... close resumed>) = 0 [pid 3831] close(4) = -1 EBADF (Bad file descriptor) [pid 3831] close(5) = -1 EBADF (Bad file descriptor) [pid 3831] close(6) = -1 EBADF (Bad file descriptor) [pid 3831] close(7) = -1 EBADF (Bad file descriptor) [pid 3831] close(8) = -1 EBADF (Bad file descriptor) [pid 3831] close(9) = -1 EBADF (Bad file descriptor) [pid 3831] close(10) = -1 EBADF (Bad file descriptor) [pid 3831] close(11) = -1 EBADF (Bad file descriptor) [pid 3831] close(12) = -1 EBADF (Bad file descriptor) [pid 3831] close(13) = -1 EBADF (Bad file descriptor) [pid 3831] close(14) = -1 EBADF (Bad file descriptor) [pid 3831] close(15) = -1 EBADF (Bad file descriptor) [pid 3831] close(16) = -1 EBADF (Bad file descriptor) [ 103.895011][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c69a800: rx timeout, send abort [ 103.903840][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888076cb2800: abort rx timeout. Force session deactivation [pid 3831] close(17) = -1 EBADF (Bad file descriptor) [pid 3834] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3831] close(18 [pid 3834] close(3) = 0 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(4 [pid 3831] close(19 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(5 [pid 3831] close(20 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(6 [pid 3831] close(21 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(7 [pid 3831] close(22 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(8 [pid 3831] close(23 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 103.935546][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076b3e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 103.950000][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076b3ec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 103.964571][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d241000: abort rx timeout. Force session deactivation [pid 3834] close(9 [pid 3831] close(24 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(10 [pid 3831] close(25 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(11 [pid 3831] close(26 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(12 [pid 3831] close(27 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(13 [pid 3831] close(28 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(14 [pid 3831] close(29 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3834] close(15 [pid 3831] exit_group(0 [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... exit_group resumed>) = ? [pid 3834] close(16 [pid 3831] +++ exited with 0 +++ [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3834] close(17) = -1 EBADF (Bad file descriptor) [pid 3834] close(18 [pid 3618] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] close(19 [pid 3618] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... openat resumed>) = 3 [pid 3834] close(20 [pid 3618] fstat(3, [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3834] close(21 [pid 3618] getdents64(3, [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3834] close(22 [pid 3618] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] close(23 [pid 3618] lstat("./21/binderfs", [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3834] close(24 [pid 3618] unlink("./21/binderfs" [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3834] close(25 [pid 3618] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] close(26 [pid 3618] lstat("./21/cgroup", [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3834] close(27 [pid 3618] unlink("./21/cgroup" [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3834] close(28 [pid 3618] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3834] close(29 [pid 3618] lstat("./21/cgroup.net", [pid 3834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3834] exit_group(0 [pid 3618] unlink("./21/cgroup.net" [pid 3834] <... exit_group resumed>) = ? [pid 3618] <... unlink resumed>) = 0 [pid 3834] +++ exited with 0 +++ [pid 3618] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./21/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... close resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] rmdir("./21" [pid 3619] <... openat resumed>) = 3 [pid 3618] <... rmdir resumed>) = 0 [pid 3619] fstat(3, [pid 3618] mkdir("./22", 0777 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... mkdir resumed>) = 0 [pid 3619] getdents64(3, [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3835 attached [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3835] chdir("./22" [pid 3619] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 24 [pid 3835] <... chdir resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] lstat("./20/binderfs", [pid 3835] <... prctl resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3835] setpgid(0, 0 [pid 3619] unlink("./20/binderfs" [pid 3835] <... setpgid resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3835] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3619] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3835] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3835] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3619] lstat("./20/cgroup", [pid 3835] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3835] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3619] unlink("./20/cgroup" [pid 3835] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3835] <... openat resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3835] write(3, "1000", 4 [pid 3619] lstat("./20/cgroup.net", [pid 3835] <... write resumed>) = 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3835] close(3 [pid 3619] unlink("./20/cgroup.net" [pid 3835] <... close resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3835] symlink("/dev/binderfs", "./binderfs" [pid 3619] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3835] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3835] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] lstat("./20/cgroup.cpu", [pid 3835] <... socket resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3835] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3619] unlink("./20/cgroup.cpu" [pid 3835] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3835] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] getdents64(3, [pid 3835] <... bind resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3835] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./20") = 0 [pid 3619] mkdir("./21", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 23 ./strace-static-x86_64: Process 3836 attached [pid 3836] chdir("./21") = 0 [pid 3836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3836] setpgid(0, 0) = 0 [pid 3836] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3836] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3836] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3833] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3836] <... openat resumed>) = 3 [pid 3833] close(3 [pid 3836] write(3, "1000", 4) = 4 [pid 3836] close(3) = 0 [ 104.211756][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806de67800: rx timeout, send abort [ 104.220142][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888072dd8800: rx timeout, send abort [ 104.260896][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806de67800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 104.275451][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888072dd8800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 104.290290][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888020919c00: rx timeout, send abort [ 104.298713][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c176c00: rx timeout, send abort [pid 3836] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3832] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3832] close(3) = 0 [pid 3832] close(4) = -1 EBADF (Bad file descriptor) [pid 3832] close(5) = -1 EBADF (Bad file descriptor) [pid 3832] close(6) = -1 EBADF (Bad file descriptor) [pid 3832] close(7) = -1 EBADF (Bad file descriptor) [pid 3832] close(8) = -1 EBADF (Bad file descriptor) [pid 3832] close(9) = -1 EBADF (Bad file descriptor) [pid 3832] close(10) = -1 EBADF (Bad file descriptor) [pid 3832] close(11) = -1 EBADF (Bad file descriptor) [pid 3832] close(12) = -1 EBADF (Bad file descriptor) [pid 3832] close(13) = -1 EBADF (Bad file descriptor) [pid 3832] close(14) = -1 EBADF (Bad file descriptor) [pid 3832] close(15) = -1 EBADF (Bad file descriptor) [pid 3832] close(16) = -1 EBADF (Bad file descriptor) [pid 3832] close(17) = -1 EBADF (Bad file descriptor) [pid 3832] close(18) = -1 EBADF (Bad file descriptor) [pid 3832] close(19) = -1 EBADF (Bad file descriptor) [pid 3832] close(20) = -1 EBADF (Bad file descriptor) [pid 3832] close(21) = -1 EBADF (Bad file descriptor) [pid 3832] close(22) = -1 EBADF (Bad file descriptor) [pid 3832] close(23) = -1 EBADF (Bad file descriptor) [pid 3832] close(24) = -1 EBADF (Bad file descriptor) [pid 3832] close(25) = -1 EBADF (Bad file descriptor) [pid 3832] close(26 [pid 3836] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3833] <... close resumed>) = 0 [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3836] <... socket resumed>) = 3 [pid 3833] close(4 [pid 3832] close(27 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(5 [pid 3832] close(28 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(6 [pid 3832] close(29 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3833] close(7 [pid 3832] exit_group(0 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3832] <... exit_group resumed>) = ? [pid 3833] close(8 [pid 3832] +++ exited with 0 +++ [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3836] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3833] close(9) = -1 EBADF (Bad file descriptor) [pid 3833] close(10 [pid 3616] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3833] close(11 [pid 3616] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3836] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... openat resumed>) = 3 [ 104.308670][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888020919c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 104.323185][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c176c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3833] close(12 [pid 3616] fstat(3, [pid 3836] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3833] close(13 [pid 3616] getdents64(3, [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3833] close(14 [pid 3616] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3833] close(15 [pid 3616] lstat("./22/binderfs", [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3833] close(16 [pid 3616] unlink("./22/binderfs" [pid 3836] <... bind resumed>) = 0 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 3836] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3833] close(17 [pid 3616] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3833] close(18 [pid 3616] lstat("./22/cgroup", [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3833] close(19 [pid 3616] unlink("./22/cgroup" [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 3833] close(20 [pid 3616] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3833] close(21 [pid 3616] lstat("./22/cgroup.net", [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3833] close(22 [pid 3616] unlink("./22/cgroup.net" [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 3833] close(23 [pid 3616] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3833] close(24 [pid 3616] lstat("./22/cgroup.cpu", [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3833] close(25 [pid 3616] unlink("./22/cgroup.cpu" [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 3833] close(26 [pid 3616] getdents64(3, [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3833] close(27 [pid 3616] close(3 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... close resumed>) = 0 [pid 3833] close(28 [pid 3616] rmdir("./22" [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... rmdir resumed>) = 0 [pid 3833] close(29 [pid 3616] mkdir("./23", 0777 [pid 3833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... mkdir resumed>) = 0 [pid 3833] exit_group(0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3837 attached [pid 3833] <... exit_group resumed>) = ? [pid 3837] chdir("./23" [pid 3833] +++ exited with 0 +++ [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 25 [pid 3837] <... chdir resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3837] <... prctl resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3837] setpgid(0, 0) = 0 [pid 3837] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3613] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3837] <... symlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3837] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3613] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3837] <... symlink resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3837] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3613] fstat(3, [pid 3837] <... symlink resumed>) = 0 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] getdents64(3, [pid 3837] <... openat resumed>) = 3 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3837] write(3, "1000", 4 [pid 3613] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3837] <... write resumed>) = 4 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3837] close(3 [pid 3613] lstat("./14/binderfs", [pid 3837] <... close resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3837] symlink("/dev/binderfs", "./binderfs" [pid 3613] unlink("./14/binderfs" [pid 3837] <... symlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [ 104.417582][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c69a800: abort rx timeout. Force session deactivation [pid 3837] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3837] <... socket resumed>) = 3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3837] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] lstat("./14/cgroup", [pid 3837] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3837] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] unlink("./14/cgroup" [pid 3837] <... bind resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3837] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./14/cgroup.net") = 0 [pid 3613] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./14/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./14") = 0 [pid 3613] mkdir("./15", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3838 attached [pid 3838] chdir("./15" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 17 [pid 3838] <... chdir resumed>) = 0 [pid 3838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3838] setpgid(0, 0) = 0 [pid 3838] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3838] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3838] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3829] <... sendmsg resumed>) = 106496 [pid 3838] write(3, "1000", 4) = 4 [pid 3838] close(3) = 0 [pid 3838] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3838] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3829] close(3 [pid 3838] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3838] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3838] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3825] <... close resumed>) = 0 [pid 3825] close(4) = -1 EBADF (Bad file descriptor) [pid 3825] close(5) = -1 EBADF (Bad file descriptor) [pid 3825] close(6) = -1 EBADF (Bad file descriptor) [pid 3825] close(7) = -1 EBADF (Bad file descriptor) [pid 3825] close(8) = -1 EBADF (Bad file descriptor) [pid 3825] close(9) = -1 EBADF (Bad file descriptor) [pid 3825] close(10) = -1 EBADF (Bad file descriptor) [pid 3825] close(11) = -1 EBADF (Bad file descriptor) [pid 3825] close(12) = -1 EBADF (Bad file descriptor) [pid 3825] close(13) = -1 EBADF (Bad file descriptor) [pid 3825] close(14) = -1 EBADF (Bad file descriptor) [pid 3825] close(15) = -1 EBADF (Bad file descriptor) [pid 3825] close(16) = -1 EBADF (Bad file descriptor) [pid 3825] close(17) = -1 EBADF (Bad file descriptor) [pid 3825] close(18) = -1 EBADF (Bad file descriptor) [pid 3825] close(19) = -1 EBADF (Bad file descriptor) [pid 3825] close(20) = -1 EBADF (Bad file descriptor) [pid 3825] close(21) = -1 EBADF (Bad file descriptor) [pid 3825] close(22) = -1 EBADF (Bad file descriptor) [pid 3825] close(23) = -1 EBADF (Bad file descriptor) [pid 3825] close(24) = -1 EBADF (Bad file descriptor) [pid 3825] close(25) = -1 EBADF (Bad file descriptor) [pid 3825] close(26) = -1 EBADF (Bad file descriptor) [pid 3825] close(27) = -1 EBADF (Bad file descriptor) [pid 3825] close(28) = -1 EBADF (Bad file descriptor) [pid 3825] close(29) = -1 EBADF (Bad file descriptor) [pid 3825] exit_group(0) = ? [pid 3825] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./16/binderfs") = 0 [pid 3620] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./16/cgroup") = 0 [pid 3620] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./16/cgroup.net") = 0 [pid 3620] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./16/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./16") = 0 [pid 3620] mkdir("./17", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 19 ./strace-static-x86_64: Process 3840 attached [pid 3835] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3835] close(3 [pid 3840] chdir("./17" [pid 3835] <... close resumed>) = 0 [pid 3835] close(4) = -1 EBADF (Bad file descriptor) [pid 3835] close(5) = -1 EBADF (Bad file descriptor) [pid 3835] close(6) = -1 EBADF (Bad file descriptor) [pid 3835] close(7) = -1 EBADF (Bad file descriptor) [pid 3835] close(8) = -1 EBADF (Bad file descriptor) [pid 3835] close(9) = -1 EBADF (Bad file descriptor) [pid 3835] close(10) = -1 EBADF (Bad file descriptor) [pid 3835] close(11) = -1 EBADF (Bad file descriptor) [pid 3835] close(12) = -1 EBADF (Bad file descriptor) [pid 3835] close(13) = -1 EBADF (Bad file descriptor) [pid 3835] close(14) = -1 EBADF (Bad file descriptor) [pid 3835] close(15) = -1 EBADF (Bad file descriptor) [pid 3835] close(16) = -1 EBADF (Bad file descriptor) [pid 3835] close(17) = -1 EBADF (Bad file descriptor) [pid 3835] close(18) = -1 EBADF (Bad file descriptor) [pid 3835] close(19) = -1 EBADF (Bad file descriptor) [pid 3835] close(20) = -1 EBADF (Bad file descriptor) [pid 3835] close(21) = -1 EBADF (Bad file descriptor) [pid 3835] close(22) = -1 EBADF (Bad file descriptor) [pid 3835] close(23) = -1 EBADF (Bad file descriptor) [pid 3835] close(24) = -1 EBADF (Bad file descriptor) [pid 3835] close(25) = -1 EBADF (Bad file descriptor) [pid 3835] close(26) = -1 EBADF (Bad file descriptor) [pid 3835] close(27) = -1 EBADF (Bad file descriptor) [pid 3835] close(28) = -1 EBADF (Bad file descriptor) [pid 3835] close(29) = -1 EBADF (Bad file descriptor) [pid 3835] exit_group(0) = ? [pid 3840] <... chdir resumed>) = 0 [pid 3835] +++ exited with 0 +++ [ 105.055473][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801bf06000: rx timeout, send abort [ 105.063894][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888017e0c400: rx timeout, send abort [ 105.074457][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801bf06000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 105.088966][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888017e0c400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./22/binderfs") = 0 [pid 3618] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./22/cgroup") = 0 [pid 3618] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./22/cgroup.net") = 0 [pid 3618] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./22/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3 [pid 3840] <... prctl resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3618] rmdir("./22" [pid 3840] setpgid(0, 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3840] <... setpgid resumed>) = 0 [pid 3618] mkdir("./23", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3841 attached [pid 3840] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3841] chdir("./23" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 25 [pid 3841] <... chdir resumed>) = 0 [pid 3841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3841] setpgid(0, 0) = 0 [pid 3841] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3840] <... symlink resumed>) = 0 [pid 3841] <... symlink resumed>) = 0 [pid 3841] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3840] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3841] <... symlink resumed>) = 0 [pid 3840] <... symlink resumed>) = 0 [pid 3841] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3840] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3841] <... symlink resumed>) = 0 [pid 3840] <... symlink resumed>) = 0 [pid 3841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3841] <... openat resumed>) = 3 [pid 3840] <... openat resumed>) = 3 [pid 3841] write(3, "1000", 4) = 4 [pid 3840] write(3, "1000", 4 [pid 3841] close(3 [pid 3840] <... write resumed>) = 4 [pid 3841] <... close resumed>) = 0 [pid 3840] close(3 [pid 3841] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3841] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3841] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3840] <... close resumed>) = 0 [pid 3841] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3841] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3840] symlink("/dev/binderfs", "./binderfs" [pid 3841] <... bind resumed>) = 0 [pid 3841] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3840] <... symlink resumed>) = 0 [pid 3840] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3840] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3840] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3840] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3837] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 105.380860][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888072f20c00: rx timeout, send abort [ 105.389350][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d6f2800: rx timeout, send abort [ 105.411427][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888072f20c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3837] close(3) = 0 [pid 3837] close(4) = -1 EBADF (Bad file descriptor) [pid 3837] close(5) = -1 EBADF (Bad file descriptor) [ 105.426138][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d6f2800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3837] close(6) = -1 EBADF (Bad file descriptor) [pid 3838] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3838] close(3 [pid 3837] close(7) = -1 EBADF (Bad file descriptor) [ 105.485241][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888022ba2400: rx timeout, send abort [ 105.493644][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888022ba2c00: rx timeout, send abort [ 105.515959][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888022ba2400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3837] close(8 [pid 3838] <... close resumed>) = 0 [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(4 [pid 3837] close(9 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(5 [pid 3837] close(10 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(6 [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] close(11 [pid 3838] close(7 [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] close(12 [pid 3838] close(8 [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] close(13 [pid 3838] close(9 [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 105.531194][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888022ba2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3837] close(14 [pid 3838] close(10) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(11 [pid 3837] close(15 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(12 [pid 3837] close(16 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(13 [pid 3837] close(17 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(14 [pid 3837] close(18 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(15 [pid 3837] close(19 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(16 [pid 3837] close(20 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(17 [pid 3837] close(21 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(18 [pid 3837] close(22 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(19 [pid 3837] close(23 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(20 [pid 3837] close(24 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(21 [pid 3837] close(25 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(22 [pid 3837] close(26 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(23 [pid 3837] close(27 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(24 [pid 3837] close(28 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(25 [pid 3837] close(29 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(26 [pid 3837] exit_group(0 [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3837] <... exit_group resumed>) = ? [pid 3838] close(27 [pid 3837] +++ exited with 0 +++ [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3838] close(28 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3838] close(29 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3838] exit_group(0 [pid 3616] <... openat resumed>) = 3 [pid 3838] <... exit_group resumed>) = ? [pid 3616] fstat(3, [pid 3838] +++ exited with 0 +++ [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./23/binderfs") = 0 [pid 3616] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] lstat("./23/cgroup", [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] unlink("./23/cgroup" [pid 3613] <... openat resumed>) = 3 [pid 3616] <... unlink resumed>) = 0 [pid 3613] fstat(3, [pid 3616] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] getdents64(3, [pid 3616] lstat("./23/cgroup.net", [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] unlink("./23/cgroup.net" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3613] lstat("./15/binderfs", [pid 3616] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] unlink("./15/binderfs" [pid 3616] lstat("./23/cgroup.cpu", [pid 3613] <... unlink resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] unlink("./23/cgroup.cpu" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3613] lstat("./15/cgroup", [pid 3616] getdents64(3, [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] unlink("./15/cgroup" [pid 3616] close(3 [pid 3613] <... unlink resumed>) = 0 [pid 3616] <... close resumed>) = 0 [pid 3613] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] rmdir("./23" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... rmdir resumed>) = 0 [pid 3613] lstat("./15/cgroup.net", [pid 3616] mkdir("./24", 0777 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... mkdir resumed>) = 0 [pid 3613] unlink("./15/cgroup.net" [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3842 attached [pid 3613] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3842] chdir("./24" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 26 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3842] <... chdir resumed>) = 0 [pid 3613] lstat("./15/cgroup.cpu", [pid 3842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3842] <... prctl resumed>) = 0 [pid 3613] unlink("./15/cgroup.cpu" [pid 3842] setpgid(0, 0 [pid 3613] <... unlink resumed>) = 0 [pid 3842] <... setpgid resumed>) = 0 [pid 3613] getdents64(3, [pid 3842] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3842] <... symlink resumed>) = 0 [pid 3613] close(3 [pid 3842] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3613] <... close resumed>) = 0 [pid 3842] <... symlink resumed>) = 0 [pid 3613] rmdir("./15" [pid 3842] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3613] <... rmdir resumed>) = 0 [pid 3842] <... symlink resumed>) = 0 [pid 3613] mkdir("./16", 0777 [pid 3842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... mkdir resumed>) = 0 [pid 3842] <... openat resumed>) = 3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3843 attached [pid 3842] write(3, "1000", 4 [pid 3843] chdir("./16" [pid 3842] <... write resumed>) = 4 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 18 [pid 3843] <... chdir resumed>) = 0 [pid 3842] close(3 [pid 3843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3842] <... close resumed>) = 0 [pid 3843] <... prctl resumed>) = 0 [pid 3842] symlink("/dev/binderfs", "./binderfs" [pid 3843] setpgid(0, 0 [pid 3842] <... symlink resumed>) = 0 [pid 3843] <... setpgid resumed>) = 0 [pid 3842] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3843] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3842] <... socket resumed>) = 3 [pid 3843] <... symlink resumed>) = 0 [pid 3842] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3843] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3842] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3843] <... symlink resumed>) = 0 [pid 3842] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3843] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3842] <... bind resumed>) = 0 [pid 3843] <... symlink resumed>) = 0 [pid 3842] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3843] write(3, "1000", 4) = 4 [pid 3843] close(3) = 0 [pid 3843] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3843] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3843] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3843] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3843] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EHOSTUNREACH (No route to host) [pid 3843] close(3) = 0 [pid 3843] close(4) = -1 EBADF (Bad file descriptor) [ 106.071107][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068dff000: rx timeout, send abort [ 106.079854][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068dff000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 106.094405][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068dfe400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3843] close(5) = -1 EBADF (Bad file descriptor) [pid 3843] close(6) = -1 EBADF (Bad file descriptor) [pid 3843] close(7) = -1 EBADF (Bad file descriptor) [pid 3843] close(8) = -1 EBADF (Bad file descriptor) [pid 3843] close(9) = -1 EBADF (Bad file descriptor) [pid 3843] close(10) = -1 EBADF (Bad file descriptor) [pid 3843] close(11) = -1 EBADF (Bad file descriptor) [pid 3843] close(12) = -1 EBADF (Bad file descriptor) [pid 3843] close(13) = -1 EBADF (Bad file descriptor) [pid 3843] close(14) = -1 EBADF (Bad file descriptor) [pid 3843] close(15) = -1 EBADF (Bad file descriptor) [pid 3843] close(16) = -1 EBADF (Bad file descriptor) [pid 3843] close(17) = -1 EBADF (Bad file descriptor) [pid 3843] close(18) = -1 EBADF (Bad file descriptor) [pid 3843] close(19) = -1 EBADF (Bad file descriptor) [pid 3843] close(20) = -1 EBADF (Bad file descriptor) [pid 3843] close(21) = -1 EBADF (Bad file descriptor) [pid 3843] close(22) = -1 EBADF (Bad file descriptor) [pid 3843] close(23) = -1 EBADF (Bad file descriptor) [pid 3843] close(24) = -1 EBADF (Bad file descriptor) [pid 3843] close(25) = -1 EBADF (Bad file descriptor) [pid 3843] close(26) = -1 EBADF (Bad file descriptor) [pid 3843] close(27) = -1 EBADF (Bad file descriptor) [pid 3843] close(28) = -1 EBADF (Bad file descriptor) [pid 3843] close(29) = -1 EBADF (Bad file descriptor) [pid 3843] exit_group(0) = ? [pid 3843] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./16/binderfs") = 0 [pid 3613] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./16/cgroup") = 0 [pid 3613] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3840] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./16/cgroup.net") = 0 [pid 3613] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./16/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./16") = 0 [pid 3613] mkdir("./17", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3844 attached [pid 3840] close(3 [pid 3844] chdir("./17" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 19 [pid 3844] <... chdir resumed>) = 0 [pid 3844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3844] setpgid(0, 0) = 0 [pid 3844] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3844] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3844] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 106.212842][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b08d000: rx timeout, send abort [ 106.221256][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b08fc00: rx timeout, send abort [pid 3844] write(3, "1000", 4) = 4 [pid 3844] close(3) = 0 [pid 3844] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3844] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3844] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3844] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3844] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3840] <... close resumed>) = 0 [pid 3840] close(4) = -1 EBADF (Bad file descriptor) [pid 3840] close(5) = -1 EBADF (Bad file descriptor) [pid 3840] close(6) = -1 EBADF (Bad file descriptor) [pid 3840] close(7) = -1 EBADF (Bad file descriptor) [pid 3840] close(8) = -1 EBADF (Bad file descriptor) [ 106.257077][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b08d000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 106.271648][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b08fc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3840] close(9) = -1 EBADF (Bad file descriptor) [pid 3840] close(10) = -1 EBADF (Bad file descriptor) [pid 3840] close(11) = -1 EBADF (Bad file descriptor) [pid 3840] close(12) = -1 EBADF (Bad file descriptor) [pid 3840] close(13) = -1 EBADF (Bad file descriptor) [pid 3840] close(14) = -1 EBADF (Bad file descriptor) [ 106.369517][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801e606000: rx timeout, send abort [ 106.377929][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806ee5c000: rx timeout, send abort [ 106.393729][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801e606000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3840] close(15) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = 0 [pid 3836] <... sendmsg resumed>) = 106496 [pid 3840] close(16 [pid 3836] close(3 [pid 3829] close(4 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(17 [pid 3829] close(5 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(18) = -1 EBADF (Bad file descriptor) [pid 3829] close(6 [pid 3840] close(19 [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(20 [pid 3829] close(7 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(21 [pid 3829] close(8 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(22 [pid 3829] close(9 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3841] <... sendmsg resumed>) = 106496 [pid 3840] close(23 [ 106.408588][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ee5c000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3829] close(10 [pid 3841] close(3 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(24 [pid 3829] close(11 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(25 [pid 3829] close(12 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(26 [pid 3829] close(13 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(27 [pid 3829] close(14 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(28 [pid 3829] close(15 [pid 3840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] close(29) = -1 EBADF (Bad file descriptor) [pid 3829] close(16 [pid 3840] exit_group(0 [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3840] <... exit_group resumed>) = ? [pid 3829] close(17 [pid 3840] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] close(18) = -1 EBADF (Bad file descriptor) [pid 3829] close(19) = -1 EBADF (Bad file descriptor) [pid 3829] close(20) = -1 EBADF (Bad file descriptor) [pid 3829] close(21) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3829] close(22 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3829] close(23) = -1 EBADF (Bad file descriptor) [pid 3620] <... openat resumed>) = 3 [pid 3829] close(24 [pid 3620] fstat(3, [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3829] close(25) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3829] close(26 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 106.621466][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068dff800: rx timeout, send abort [ 106.629870][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068dfe800: rx timeout, send abort [ 106.654060][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068dff800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] unlink("./17/binderfs" [pid 3842] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3842] close(3 [pid 3829] close(27 [pid 3620] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3829] close(28 [pid 3620] lstat("./17/cgroup", [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3829] close(29 [pid 3620] unlink("./17/cgroup" [pid 3829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3829] exit_group(0 [pid 3620] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3829] <... exit_group resumed>) = ? [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3829] +++ exited with 0 +++ [pid 3620] lstat("./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] unlink("./17/cgroup.net" [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... restart_syscall resumed>) = 0 [pid 3620] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./17/cgroup.cpu", [pid 3617] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] unlink("./17/cgroup.cpu" [pid 3617] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3620] getdents64(3, [pid 3617] fstat(3, [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] close(3 [pid 3617] getdents64(3, [pid 3620] <... close resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] rmdir("./17" [pid 3617] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... rmdir resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] mkdir("./18", 0777 [pid 3617] lstat("./13/binderfs", [pid 3620] <... mkdir resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] unlink("./13/binderfs"./strace-static-x86_64: Process 3845 attached [pid 3842] <... close resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3845] chdir("./18" [pid 3842] close(4 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 20 [pid 3617] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3845] <... chdir resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3842] close(5 [pid 3617] lstat("./13/cgroup", [pid 3845] <... prctl resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3845] setpgid(0, 0 [pid 3842] close(6 [pid 3617] unlink("./13/cgroup" [pid 3845] <... setpgid resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3845] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3842] close(7 [pid 3617] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3845] <... symlink resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3842] close(8 [pid 3617] lstat("./13/cgroup.net", [pid 3845] <... symlink resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3845] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3842] close(9 [pid 3617] unlink("./13/cgroup.net" [pid 3845] <... symlink resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3842] close(10 [pid 3617] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3845] <... openat resumed>) = 3 [ 106.668599][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068dfe800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] write(3, "1000", 4 [pid 3842] close(11 [pid 3617] lstat("./13/cgroup.cpu", [pid 3845] <... write resumed>) = 4 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3845] close(3 [pid 3842] close(12 [pid 3617] unlink("./13/cgroup.cpu" [pid 3845] <... close resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3845] symlink("/dev/binderfs", "./binderfs" [pid 3842] close(13 [pid 3617] getdents64(3, [pid 3845] <... symlink resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3845] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3842] close(14 [pid 3845] <... socket resumed>) = 3 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] close(3 [pid 3845] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3842] close(15 [pid 3617] <... close resumed>) = 0 [pid 3842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] rmdir("./13" [pid 3845] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3842] close(16) = -1 EBADF (Bad file descriptor) [pid 3842] close(17) = -1 EBADF (Bad file descriptor) [pid 3842] close(18) = -1 EBADF (Bad file descriptor) [pid 3842] close(19) = -1 EBADF (Bad file descriptor) [pid 3842] close(20) = -1 EBADF (Bad file descriptor) [pid 3617] <... rmdir resumed>) = 0 [pid 3845] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] mkdir("./14", 0777 [pid 3845] <... bind resumed>) = 0 [pid 3845] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3842] close(21) = -1 EBADF (Bad file descriptor) [pid 3842] close(22) = -1 EBADF (Bad file descriptor) [pid 3842] close(23) = -1 EBADF (Bad file descriptor) [pid 3617] <... mkdir resumed>) = 0 [pid 3842] close(24) = -1 EBADF (Bad file descriptor) [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3842] close(25) = -1 EBADF (Bad file descriptor) [pid 3842] close(26) = -1 EBADF (Bad file descriptor) [pid 3842] close(27) = -1 EBADF (Bad file descriptor) [pid 3842] close(28) = -1 EBADF (Bad file descriptor) [pid 3842] close(29) = -1 EBADF (Bad file descriptor) [pid 3842] exit_group(0) = ? [pid 3842] +++ exited with 0 +++ ./strace-static-x86_64: Process 3846 attached [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 16 [pid 3846] chdir("./14") = 0 [pid 3846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3616] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3846] <... prctl resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3846] setpgid(0, 0 [pid 3616] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3846] <... setpgid resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3846] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3846] <... symlink resumed>) = 0 [pid 3616] getdents64(3, [pid 3846] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3846] <... symlink resumed>) = 0 [pid 3616] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3846] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3846] <... symlink resumed>) = 0 [pid 3616] lstat("./24/binderfs", [pid 3846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3846] <... openat resumed>) = 3 [pid 3846] write(3, "1000", 4 [pid 3616] unlink("./24/binderfs" [pid 3846] <... write resumed>) = 4 [pid 3616] <... unlink resumed>) = 0 [pid 3846] close(3 [pid 3616] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3846] <... close resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3846] symlink("/dev/binderfs", "./binderfs" [pid 3616] lstat("./24/cgroup", [pid 3846] <... symlink resumed>) = 0 [pid 3846] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3846] <... socket resumed>) = 3 [pid 3616] unlink("./24/cgroup" [pid 3846] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3616] <... unlink resumed>) = 0 [pid 3846] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3616] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3846] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3846] <... bind resumed>) = 0 [pid 3616] lstat("./24/cgroup.net", [pid 3846] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./24/cgroup.net") = 0 [pid 3616] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./24/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./24") = 0 [pid 3616] mkdir("./25", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3847 attached , child_tidptr=0x555556f5d5d0) = 27 [pid 3847] chdir("./25") = 0 [pid 3847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3847] setpgid(0, 0) = 0 [pid 3847] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3847] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3847] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3847] write(3, "1000", 4) = 4 [pid 3847] close(3) = 0 [pid 3847] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3847] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3847] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3847] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3847] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3844] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 107.134849][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b2e5400: rx timeout, send abort [ 107.143352][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b2e6400: rx timeout, send abort [pid 3844] close(3) = 0 [pid 3844] close(4) = -1 EBADF (Bad file descriptor) [pid 3844] close(5) = -1 EBADF (Bad file descriptor) [pid 3844] close(6) = -1 EBADF (Bad file descriptor) [pid 3844] close(7) = -1 EBADF (Bad file descriptor) [pid 3844] close(8) = -1 EBADF (Bad file descriptor) [pid 3844] close(9) = -1 EBADF (Bad file descriptor) [pid 3844] close(10) = -1 EBADF (Bad file descriptor) [pid 3844] close(11) = -1 EBADF (Bad file descriptor) [pid 3844] close(12) = -1 EBADF (Bad file descriptor) [pid 3844] close(13) = -1 EBADF (Bad file descriptor) [pid 3844] close(14) = -1 EBADF (Bad file descriptor) [pid 3844] close(15) = -1 EBADF (Bad file descriptor) [pid 3844] close(16) = -1 EBADF (Bad file descriptor) [pid 3844] close(17) = -1 EBADF (Bad file descriptor) [pid 3844] close(18) = -1 EBADF (Bad file descriptor) [pid 3844] close(19) = -1 EBADF (Bad file descriptor) [pid 3844] close(20) = -1 EBADF (Bad file descriptor) [pid 3844] close(21) = -1 EBADF (Bad file descriptor) [pid 3844] close(22) = -1 EBADF (Bad file descriptor) [pid 3844] close(23) = -1 EBADF (Bad file descriptor) [pid 3844] close(24) = -1 EBADF (Bad file descriptor) [pid 3844] close(25) = -1 EBADF (Bad file descriptor) [pid 3844] close(26) = -1 EBADF (Bad file descriptor) [pid 3844] close(27) = -1 EBADF (Bad file descriptor) [pid 3844] close(28) = -1 EBADF (Bad file descriptor) [pid 3844] close(29) = -1 EBADF (Bad file descriptor) [pid 3844] exit_group(0) = ? [pid 3844] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 107.207012][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b2e5400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 107.221587][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b2e6400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./17/binderfs") = 0 [pid 3613] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./17/cgroup") = 0 [pid 3613] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./17/cgroup.net") = 0 [pid 3613] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./17/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./17") = 0 [pid 3613] mkdir("./18", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 20 ./strace-static-x86_64: Process 3848 attached [pid 3848] chdir("./18") = 0 [pid 3848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3848] setpgid(0, 0) = 0 [pid 3848] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3848] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3848] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3848] write(3, "1000", 4) = 4 [pid 3848] close(3) = 0 [pid 3848] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3848] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3848] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3848] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3848] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3845] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 107.667673][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806bb69800: rx timeout, send abort [ 107.677068][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806bb6b400: rx timeout, send abort [pid 3845] close(3) = 0 [pid 3845] close(4) = -1 EBADF (Bad file descriptor) [ 107.727458][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bb69800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 107.742021][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bb6b400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3845] close(5 [pid 3846] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] close(3 [pid 3845] close(6) = -1 EBADF (Bad file descriptor) [ 107.803679][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806ac18800: rx timeout, send abort [ 107.812108][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e1e0c00: rx timeout, send abort [ 107.838128][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ac18800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3845] close(7) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = 0 [pid 3845] close(8 [pid 3846] close(4 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(9 [pid 3846] close(5 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(10 [pid 3846] close(6 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(11 [pid 3846] close(7 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(12 [pid 3846] close(8 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(13 [pid 3846] close(9 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(14 [pid 3846] close(10 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(15 [pid 3846] close(11 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(16 [pid 3846] close(12 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(17 [pid 3846] close(13 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(18 [pid 3846] close(14 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(19 [pid 3846] close(15 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(20 [pid 3846] close(16 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(21 [pid 3846] close(17 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(22 [pid 3846] close(18 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(23 [pid 3846] close(19 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(24 [pid 3846] close(20 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(25 [pid 3846] close(21 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(26 [pid 3846] close(22 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(27 [pid 3846] close(23 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 107.852688][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e1e0c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(28 [pid 3846] close(24 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] close(29 [pid 3846] close(25 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] exit_group(0 [pid 3846] close(26 [pid 3845] <... exit_group resumed>) = ? [pid 3846] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] +++ exited with 0 +++ [pid 3846] close(27) = -1 EBADF (Bad file descriptor) [pid 3846] close(28) = -1 EBADF (Bad file descriptor) [pid 3846] close(29) = -1 EBADF (Bad file descriptor) [pid 3846] exit_group(0) = ? [pid 3846] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3617] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./14/binderfs") = 0 [pid 3617] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./14/cgroup") = 0 [pid 3617] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./14/cgroup.net") = 0 [pid 3617] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./14/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./14") = 0 [pid 3617] mkdir("./15", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3849 attached [pid 3849] chdir("./15" [pid 3620] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 17 [pid 3849] <... chdir resumed>) = 0 [pid 3849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3849] setpgid(0, 0) = 0 [pid 3849] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3620] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3849] <... symlink resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3849] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3620] fstat(3, [pid 3849] <... symlink resumed>) = 0 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] getdents64(3, [pid 3849] write(3, "1000", 4) = 4 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3849] close(3) = 0 [pid 3849] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3849] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3849] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3849] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3620] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./18/binderfs" [pid 3847] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] <... unlink resumed>) = 0 [pid 3847] close(3 [pid 3620] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 107.961862][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a051c00: rx timeout, send abort [ 107.970240][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a052400: rx timeout, send abort [pid 3620] lstat("./18/cgroup", [pid 3847] <... close resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3847] close(4) = -1 EBADF (Bad file descriptor) [pid 3847] close(5) = -1 EBADF (Bad file descriptor) [pid 3847] close(6) = -1 EBADF (Bad file descriptor) [pid 3847] close(7) = -1 EBADF (Bad file descriptor) [pid 3847] close(8) = -1 EBADF (Bad file descriptor) [pid 3847] close(9) = -1 EBADF (Bad file descriptor) [pid 3847] close(10) = -1 EBADF (Bad file descriptor) [pid 3847] close(11) = -1 EBADF (Bad file descriptor) [pid 3847] close(12) = -1 EBADF (Bad file descriptor) [pid 3847] close(13) = -1 EBADF (Bad file descriptor) [pid 3847] close(14) = -1 EBADF (Bad file descriptor) [pid 3847] close(15) = -1 EBADF (Bad file descriptor) [pid 3847] close(16) = -1 EBADF (Bad file descriptor) [pid 3847] close(17) = -1 EBADF (Bad file descriptor) [pid 3847] close(18) = -1 EBADF (Bad file descriptor) [pid 3847] close(19) = -1 EBADF (Bad file descriptor) [pid 3847] close(20) = -1 EBADF (Bad file descriptor) [pid 3847] close(21) = -1 EBADF (Bad file descriptor) [pid 3847] close(22) = -1 EBADF (Bad file descriptor) [pid 3847] close(23) = -1 EBADF (Bad file descriptor) [pid 3847] close(24) = -1 EBADF (Bad file descriptor) [pid 3847] close(25) = -1 EBADF (Bad file descriptor) [pid 3847] close(26) = -1 EBADF (Bad file descriptor) [pid 3847] close(27) = -1 EBADF (Bad file descriptor) [pid 3847] close(28) = -1 EBADF (Bad file descriptor) [pid 3847] close(29) = -1 EBADF (Bad file descriptor) [pid 3847] exit_group(0) = ? [pid 3847] +++ exited with 0 +++ [pid 3620] unlink("./18/cgroup") = 0 [pid 3620] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./18/cgroup.net" [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] <... unlink resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3616] fstat(3, [pid 3620] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] getdents64(3, [pid 3620] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] unlink("./18/cgroup.cpu" [pid 3616] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./25/binderfs", [pid 3620] <... unlink resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] getdents64(3, [pid 3616] unlink("./25/binderfs" [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 108.010133][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a051c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 108.024693][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a052400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] lstat("./25/cgroup", [pid 3620] rmdir("./18" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] <... rmdir resumed>) = 0 [pid 3616] unlink("./25/cgroup" [pid 3620] mkdir("./19", 0777) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3850 attached [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 21 [pid 3850] chdir("./19") = 0 [pid 3850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3850] setpgid(0, 0) = 0 [pid 3850] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3850] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3616] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./25/cgroup.net" [pid 3850] <... symlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3850] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3850] <... symlink resumed>) = 0 [pid 3850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] lstat("./25/cgroup.cpu", [pid 3850] <... openat resumed>) = 3 [pid 3850] write(3, "1000", 4) = 4 [pid 3850] close(3) = 0 [pid 3850] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3850] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3850] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3850] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3850] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./25/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./25") = 0 [pid 3616] mkdir("./26", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3852 attached [pid 3852] chdir("./26") = 0 [pid 3852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3852] setpgid(0, 0) = 0 [pid 3852] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 28 [pid 3852] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3852] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3852] write(3, "1000", 4) = 4 [pid 3852] close(3) = 0 [pid 3852] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3852] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3852] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3852] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3852] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3836] <... close resumed>) = 0 [pid 3836] close(4) = -1 EBADF (Bad file descriptor) [pid 3836] close(5) = -1 EBADF (Bad file descriptor) [pid 3836] close(6) = -1 EBADF (Bad file descriptor) [pid 3836] close(7) = -1 EBADF (Bad file descriptor) [pid 3836] close(8) = -1 EBADF (Bad file descriptor) [pid 3836] close(9) = -1 EBADF (Bad file descriptor) [pid 3836] close(10) = -1 EBADF (Bad file descriptor) [pid 3836] close(11) = -1 EBADF (Bad file descriptor) [pid 3836] close(12) = -1 EBADF (Bad file descriptor) [pid 3836] close(13) = -1 EBADF (Bad file descriptor) [pid 3836] close(14) = -1 EBADF (Bad file descriptor) [pid 3836] close(15) = -1 EBADF (Bad file descriptor) [pid 3836] close(16) = -1 EBADF (Bad file descriptor) [pid 3836] close(17) = -1 EBADF (Bad file descriptor) [pid 3836] close(18) = -1 EBADF (Bad file descriptor) [pid 3836] close(19) = -1 EBADF (Bad file descriptor) [pid 3836] close(20) = -1 EBADF (Bad file descriptor) [pid 3836] close(21) = -1 EBADF (Bad file descriptor) [pid 3836] close(22) = -1 EBADF (Bad file descriptor) [pid 3836] close(23) = -1 EBADF (Bad file descriptor) [pid 3836] close(24) = -1 EBADF (Bad file descriptor) [pid 3836] close(25) = -1 EBADF (Bad file descriptor) [pid 3836] close(26) = -1 EBADF (Bad file descriptor) [pid 3836] close(27) = -1 EBADF (Bad file descriptor) [pid 3836] close(28) = -1 EBADF (Bad file descriptor) [pid 3836] close(29) = -1 EBADF (Bad file descriptor) [pid 3836] exit_group(0) = ? [pid 3836] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./21/binderfs") = 0 [pid 3619] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./21/cgroup") = 0 [pid 3619] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./21/cgroup.net") = 0 [pid 3619] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./21/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./21") = 0 [pid 3619] mkdir("./22", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3853 attached [pid 3853] chdir("./22") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 24 [pid 3853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3853] setpgid(0, 0) = 0 [pid 3853] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3853] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3853] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3853] write(3, "1000", 4) = 4 [pid 3853] close(3) = 0 [pid 3853] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3853] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3853] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3853] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3853] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3849] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3849] close(3 [pid 3848] <... sendmsg resumed>) = 106496 [pid 3848] close(3 [pid 3841] <... close resumed>) = 0 [pid 3841] close(4) = -1 EBADF (Bad file descriptor) [pid 3841] close(5) = -1 EBADF (Bad file descriptor) [pid 3841] close(6) = -1 EBADF (Bad file descriptor) [pid 3841] close(7) = -1 EBADF (Bad file descriptor) [pid 3841] close(8) = -1 EBADF (Bad file descriptor) [pid 3841] close(9) = -1 EBADF (Bad file descriptor) [pid 3841] close(10) = -1 EBADF (Bad file descriptor) [pid 3841] close(11) = -1 EBADF (Bad file descriptor) [pid 3841] close(12) = -1 EBADF (Bad file descriptor) [pid 3841] close(13) = -1 EBADF (Bad file descriptor) [pid 3841] close(14) = -1 EBADF (Bad file descriptor) [pid 3841] close(15) = -1 EBADF (Bad file descriptor) [pid 3841] close(16) = -1 EBADF (Bad file descriptor) [pid 3841] close(17) = -1 EBADF (Bad file descriptor) [pid 3841] close(18) = -1 EBADF (Bad file descriptor) [pid 3841] close(19) = -1 EBADF (Bad file descriptor) [ 108.980514][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807aa4e800: rx timeout, send abort [ 108.989214][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806edc9800: rx timeout, send abort [pid 3841] close(20) = -1 EBADF (Bad file descriptor) [pid 3841] close(21) = -1 EBADF (Bad file descriptor) [pid 3841] close(22) = -1 EBADF (Bad file descriptor) [pid 3841] close(23) = -1 EBADF (Bad file descriptor) [pid 3841] close(24) = -1 EBADF (Bad file descriptor) [pid 3841] close(25) = -1 EBADF (Bad file descriptor) [pid 3841] close(26) = -1 EBADF (Bad file descriptor) [pid 3841] close(27) = -1 EBADF (Bad file descriptor) [pid 3841] close(28) = -1 EBADF (Bad file descriptor) [pid 3841] close(29) = -1 EBADF (Bad file descriptor) [pid 3841] exit_group(0) = ? [pid 3841] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./23/binderfs") = 0 [pid 3849] <... close resumed>) = 0 [pid 3618] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3849] close(4) = -1 EBADF (Bad file descriptor) [pid 3849] close(5) = -1 EBADF (Bad file descriptor) [pid 3849] close(6) = -1 EBADF (Bad file descriptor) [pid 3849] close(7) = -1 EBADF (Bad file descriptor) [pid 3849] close(8) = -1 EBADF (Bad file descriptor) [pid 3849] close(9) = -1 EBADF (Bad file descriptor) [pid 3849] close(10) = -1 EBADF (Bad file descriptor) [pid 3849] close(11) = -1 EBADF (Bad file descriptor) [pid 3849] close(12) = -1 EBADF (Bad file descriptor) [pid 3849] close(13) = -1 EBADF (Bad file descriptor) [pid 3849] close(14) = -1 EBADF (Bad file descriptor) [pid 3849] close(15) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./23/cgroup", [pid 3849] close(16 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3849] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3849] close(17) = -1 EBADF (Bad file descriptor) [pid 3849] close(18) = -1 EBADF (Bad file descriptor) [pid 3849] close(19) = -1 EBADF (Bad file descriptor) [pid 3849] close(20) = -1 EBADF (Bad file descriptor) [pid 3849] close(21) = -1 EBADF (Bad file descriptor) [pid 3849] close(22) = -1 EBADF (Bad file descriptor) [pid 3849] close(23) = -1 EBADF (Bad file descriptor) [pid 3849] close(24) = -1 EBADF (Bad file descriptor) [pid 3849] close(25) = -1 EBADF (Bad file descriptor) [pid 3849] close(26) = -1 EBADF (Bad file descriptor) [pid 3849] close(27) = -1 EBADF (Bad file descriptor) [pid 3849] close(28) = -1 EBADF (Bad file descriptor) [pid 3849] close(29) = -1 EBADF (Bad file descriptor) [pid 3849] exit_group(0) = ? [pid 3849] +++ exited with 0 +++ [pid 3618] unlink("./23/cgroup") = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [ 109.080644][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807aa4e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 109.095248][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806edc9800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] unlink("./23/cgroup.net") = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./23/cgroup.cpu", [pid 3617] <... openat resumed>) = 3 [pid 3617] fstat(3, [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] unlink("./23/cgroup.cpu" [pid 3617] getdents64(3, [pid 3618] <... unlink resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] getdents64(3, [pid 3617] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] close(3 [pid 3617] lstat("./15/binderfs", [pid 3618] <... close resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] rmdir("./23" [pid 3617] unlink("./15/binderfs" [pid 3618] <... rmdir resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3618] mkdir("./24", 0777 [pid 3617] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... mkdir resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] lstat("./15/cgroup", ./strace-static-x86_64: Process 3854 attached [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 26 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./15/cgroup" [pid 3854] chdir("./24" [pid 3617] <... unlink resumed>) = 0 [pid 3854] <... chdir resumed>) = 0 [pid 3617] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3854] setpgid(0, 0 [pid 3617] lstat("./15/cgroup.net", [pid 3854] <... setpgid resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3854] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3617] unlink("./15/cgroup.net" [pid 3854] <... symlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3854] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3617] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3854] <... symlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3854] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3617] lstat("./15/cgroup.cpu", [pid 3854] <... symlink resumed>) = 0 [pid 3854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3854] <... openat resumed>) = 3 [pid 3617] unlink("./15/cgroup.cpu" [pid 3854] write(3, "1000", 4 [pid 3617] <... unlink resumed>) = 0 [pid 3854] <... write resumed>) = 4 [pid 3617] getdents64(3, [pid 3854] close(3 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3854] <... close resumed>) = 0 [pid 3854] symlink("/dev/binderfs", "./binderfs" [pid 3617] close(3 [pid 3854] <... symlink resumed>) = 0 [pid 3617] <... close resumed>) = 0 [pid 3854] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] rmdir("./15" [pid 3854] <... socket resumed>) = 3 [pid 3617] <... rmdir resumed>) = 0 [pid 3854] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] mkdir("./16", 0777 [pid 3854] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] <... mkdir resumed>) = 0 [pid 3854] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3854] <... bind resumed>) = 0 ./strace-static-x86_64: Process 3855 attached [pid 3854] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3855] chdir("./16") = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 18 [pid 3855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3855] setpgid(0, 0) = 0 [pid 3855] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3855] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3855] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3855] write(3, "1000", 4) = 4 [pid 3855] close(3) = 0 [pid 3855] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3855] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3855] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3853] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3855] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3853] close(3 [pid 3855] <... bind resumed>) = 0 [ 109.495906][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888021889c00: rx timeout, send abort [ 109.504327][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069618400: rx timeout, send abort [pid 3855] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3853] <... close resumed>) = 0 [pid 3853] close(4) = -1 EBADF (Bad file descriptor) [pid 3853] close(5) = -1 EBADF (Bad file descriptor) [pid 3853] close(6) = -1 EBADF (Bad file descriptor) [pid 3853] close(7) = -1 EBADF (Bad file descriptor) [ 109.550096][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888021889c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 109.564642][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069618400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3853] close(8) = -1 EBADF (Bad file descriptor) [pid 3853] close(9) = -1 EBADF (Bad file descriptor) [pid 3853] close(10) = -1 EBADF (Bad file descriptor) [pid 3853] close(11) = -1 EBADF (Bad file descriptor) [pid 3853] close(12) = -1 EBADF (Bad file descriptor) [pid 3853] close(13) = -1 EBADF (Bad file descriptor) [pid 3853] close(14) = -1 EBADF (Bad file descriptor) [pid 3853] close(15) = -1 EBADF (Bad file descriptor) [pid 3853] close(16) = -1 EBADF (Bad file descriptor) [pid 3853] close(17) = -1 EBADF (Bad file descriptor) [pid 3853] close(18) = -1 EBADF (Bad file descriptor) [pid 3853] close(19) = -1 EBADF (Bad file descriptor) [pid 3853] close(20) = -1 EBADF (Bad file descriptor) [pid 3853] close(21) = -1 EBADF (Bad file descriptor) [pid 3853] close(22) = -1 EBADF (Bad file descriptor) [pid 3853] close(23) = -1 EBADF (Bad file descriptor) [pid 3853] close(24) = -1 EBADF (Bad file descriptor) [pid 3853] close(25) = -1 EBADF (Bad file descriptor) [pid 3853] close(26) = -1 EBADF (Bad file descriptor) [pid 3853] close(27) = -1 EBADF (Bad file descriptor) [pid 3853] close(28) = -1 EBADF (Bad file descriptor) [pid 3853] close(29) = -1 EBADF (Bad file descriptor) [pid 3853] exit_group(0) = ? [pid 3853] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./22/binderfs") = 0 [pid 3619] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./22/cgroup") = 0 [pid 3619] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./22/cgroup.net") = 0 [pid 3619] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./22/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./22") = 0 [pid 3619] mkdir("./23", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3856 attached [pid 3856] chdir("./23" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 25 [pid 3856] <... chdir resumed>) = 0 [pid 3856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3856] setpgid(0, 0) = 0 [pid 3856] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3856] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3856] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3856] write(3, "1000", 4) = 4 [pid 3856] close(3) = 0 [pid 3856] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3856] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3856] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3856] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3856] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3854] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 110.278218][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888069aa9c00: rx timeout, send abort [ 110.286627][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880212d3800: rx timeout, send abort [pid 3854] close(3) = 0 [pid 3854] close(4) = -1 EBADF (Bad file descriptor) [pid 3854] close(5) = -1 EBADF (Bad file descriptor) [pid 3854] close(6) = -1 EBADF (Bad file descriptor) [ 110.337013][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069aa9c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 110.351569][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880212d3800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3854] close(7) = -1 EBADF (Bad file descriptor) [pid 3854] close(8) = -1 EBADF (Bad file descriptor) [pid 3854] close(9) = -1 EBADF (Bad file descriptor) [pid 3854] close(10) = -1 EBADF (Bad file descriptor) [pid 3854] close(11) = -1 EBADF (Bad file descriptor) [pid 3854] close(12) = -1 EBADF (Bad file descriptor) [pid 3854] close(13) = -1 EBADF (Bad file descriptor) [pid 3854] close(14) = -1 EBADF (Bad file descriptor) [pid 3854] close(15) = -1 EBADF (Bad file descriptor) [pid 3854] close(16) = -1 EBADF (Bad file descriptor) [pid 3854] close(17) = -1 EBADF (Bad file descriptor) [pid 3854] close(18) = -1 EBADF (Bad file descriptor) [pid 3854] close(19) = -1 EBADF (Bad file descriptor) [pid 3854] close(20) = -1 EBADF (Bad file descriptor) [pid 3854] close(21) = -1 EBADF (Bad file descriptor) [pid 3854] close(22) = -1 EBADF (Bad file descriptor) [pid 3854] close(23) = -1 EBADF (Bad file descriptor) [pid 3854] close(24) = -1 EBADF (Bad file descriptor) [pid 3854] close(25) = -1 EBADF (Bad file descriptor) [pid 3854] close(26) = -1 EBADF (Bad file descriptor) [pid 3854] close(27) = -1 EBADF (Bad file descriptor) [pid 3854] close(28) = -1 EBADF (Bad file descriptor) [pid 3854] close(29) = -1 EBADF (Bad file descriptor) [pid 3854] exit_group(0) = ? [pid 3854] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./24/binderfs") = 0 [pid 3618] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./24/cgroup") = 0 [pid 3618] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./24/cgroup.net") = 0 [pid 3618] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./24/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./24") = 0 [pid 3618] mkdir("./25", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3857 attached [pid 3857] chdir("./25" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 27 [pid 3857] <... chdir resumed>) = 0 [pid 3857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3857] setpgid(0, 0) = 0 [pid 3857] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3857] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3857] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3857] write(3, "1000", 4) = 4 [pid 3857] close(3) = 0 [pid 3857] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3857] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3857] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3857] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3857] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3848] <... close resumed>) = 0 [pid 3848] close(4) = -1 EBADF (Bad file descriptor) [pid 3848] close(5) = -1 EBADF (Bad file descriptor) [pid 3848] close(6) = -1 EBADF (Bad file descriptor) [pid 3848] close(7) = -1 EBADF (Bad file descriptor) [pid 3848] close(8) = -1 EBADF (Bad file descriptor) [pid 3848] close(9) = -1 EBADF (Bad file descriptor) [pid 3848] close(10) = -1 EBADF (Bad file descriptor) [pid 3848] close(11) = -1 EBADF (Bad file descriptor) [pid 3848] close(12) = -1 EBADF (Bad file descriptor) [pid 3848] close(13) = -1 EBADF (Bad file descriptor) [pid 3848] close(14) = -1 EBADF (Bad file descriptor) [pid 3848] close(15) = -1 EBADF (Bad file descriptor) [pid 3848] close(16) = -1 EBADF (Bad file descriptor) [pid 3848] close(17) = -1 EBADF (Bad file descriptor) [pid 3848] close(18) = -1 EBADF (Bad file descriptor) [pid 3848] close(19) = -1 EBADF (Bad file descriptor) [pid 3848] close(20) = -1 EBADF (Bad file descriptor) [pid 3848] close(21) = -1 EBADF (Bad file descriptor) [pid 3848] close(22) = -1 EBADF (Bad file descriptor) [pid 3848] close(23) = -1 EBADF (Bad file descriptor) [pid 3848] close(24) = -1 EBADF (Bad file descriptor) [pid 3848] close(25) = -1 EBADF (Bad file descriptor) [pid 3848] close(26) = -1 EBADF (Bad file descriptor) [pid 3848] close(27) = -1 EBADF (Bad file descriptor) [pid 3848] close(28) = -1 EBADF (Bad file descriptor) [pid 3848] close(29) = -1 EBADF (Bad file descriptor) [pid 3848] exit_group(0) = ? [pid 3848] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3613] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./18/binderfs") = 0 [pid 3613] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./18/cgroup") = 0 [pid 3613] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./18/cgroup.net") = 0 [pid 3613] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./18/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./18") = 0 [pid 3613] mkdir("./19", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3858 attached [pid 3858] chdir("./19") = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 21 [pid 3858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3858] setpgid(0, 0) = 0 [pid 3858] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3858] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3858] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3858] write(3, "1000", 4) = 4 [pid 3858] close(3) = 0 [pid 3858] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3858] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3858] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3858] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3858] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3850] <... sendmsg resumed>) = 106496 [pid 3850] close(3 [pid 3857] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3852] <... sendmsg resumed>) = 106496 [pid 3857] close(3 [ 111.537901][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888067e23400: rx timeout, send abort [ 111.546313][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888016d19c00: rx timeout, send abort [pid 3852] close(3 [pid 3857] <... close resumed>) = 0 [pid 3857] close(4) = -1 EBADF (Bad file descriptor) [pid 3857] close(5) = -1 EBADF (Bad file descriptor) [pid 3857] close(6) = -1 EBADF (Bad file descriptor) [pid 3857] close(7) = -1 EBADF (Bad file descriptor) [pid 3857] close(8) = -1 EBADF (Bad file descriptor) [pid 3857] close(9) = -1 EBADF (Bad file descriptor) [pid 3857] close(10) = -1 EBADF (Bad file descriptor) [pid 3857] close(11) = -1 EBADF (Bad file descriptor) [pid 3857] close(12) = -1 EBADF (Bad file descriptor) [ 111.581430][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888067e23400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 111.596010][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888016d19c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 111.620718][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e670c00: rx timeout, send abort [pid 3857] close(13) = -1 EBADF (Bad file descriptor) [pid 3856] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3857] close(14 [pid 3856] close(3 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 111.629146][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e673800: rx timeout, send abort [ 111.657203][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e670c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3857] close(15 [pid 3856] <... close resumed>) = 0 [pid 3856] close(4) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(5 [pid 3857] close(16 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(6 [pid 3857] close(17 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(7 [pid 3857] close(18 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(8 [pid 3857] close(19 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(9 [pid 3857] close(20 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(10) = -1 EBADF (Bad file descriptor) [pid 3856] close(11 [pid 3857] close(21 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(12) = -1 EBADF (Bad file descriptor) [pid 3856] close(13) = -1 EBADF (Bad file descriptor) [pid 3856] close(14) = -1 EBADF (Bad file descriptor) [pid 3856] close(15) = -1 EBADF (Bad file descriptor) [pid 3856] close(16) = -1 EBADF (Bad file descriptor) [ 111.671721][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e673800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(17 [pid 3857] close(22 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(18 [pid 3857] close(23 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(19 [pid 3857] close(24 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(20 [pid 3857] close(25 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(21 [pid 3857] close(26 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(22 [pid 3857] close(27 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(23 [pid 3857] close(28 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(24 [pid 3857] close(29 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(25 [pid 3857] exit_group(0 [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... exit_group resumed>) = ? [pid 3856] close(26 [pid 3857] +++ exited with 0 +++ [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(27 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3856] close(28) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3856] close(29 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3856] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3856] exit_group(0 [pid 3618] <... openat resumed>) = 3 [pid 3856] <... exit_group resumed>) = ? [pid 3618] fstat(3, [pid 3856] +++ exited with 0 +++ [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] getdents64(3, [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3618] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./25/binderfs", [pid 3619] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] unlink("./25/binderfs" [pid 3619] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] <... unlink resumed>) = 0 [pid 3619] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./23/binderfs", [pid 3618] lstat("./25/cgroup", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./23/binderfs" [pid 3618] unlink("./25/cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3619] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./23/cgroup", [pid 3618] lstat("./25/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./23/cgroup" [pid 3618] unlink("./25/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3619] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./23/cgroup.net", [pid 3618] lstat("./25/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./23/cgroup.net" [pid 3618] unlink("./25/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3619] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] lstat("./23/cgroup.cpu", [pid 3618] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... close resumed>) = 0 [pid 3619] unlink("./23/cgroup.cpu" [pid 3618] rmdir("./25" [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3619] getdents64(3, [pid 3618] mkdir("./26", 0777 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] <... mkdir resumed>) = 0 [pid 3619] close(3 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3859 attached [pid 3619] <... close resumed>) = 0 [pid 3859] chdir("./26" [pid 3619] rmdir("./23" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 28 [pid 3859] <... chdir resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] mkdir("./24", 0777 [pid 3859] <... prctl resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3859] setpgid(0, 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3859] <... setpgid resumed>) = 0 [pid 3859] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 26 [pid 3859] <... symlink resumed>) = 0 [pid 3859] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3859] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3859] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 3860 attached [pid 3859] close(3) = 0 [pid 3859] symlink("/dev/binderfs", "./binderfs" [pid 3860] chdir("./24" [pid 3859] <... symlink resumed>) = 0 [pid 3859] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3860] <... chdir resumed>) = 0 [pid 3860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3859] <... socket resumed>) = 3 [pid 3860] <... prctl resumed>) = 0 [pid 3859] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3860] setpgid(0, 0 [pid 3859] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3860] <... setpgid resumed>) = 0 [pid 3859] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3859] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3860] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3860] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3860] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3860] write(3, "1000", 4) = 4 [pid 3860] close(3) = 0 [pid 3860] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3860] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3860] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3860] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3860] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3858] <... sendmsg resumed>) = 106496 [pid 3858] close(3 [pid 3860] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 112.776532][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888067cd4800: rx timeout, send abort [ 112.784950][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888067cd5400: rx timeout, send abort [pid 3860] close(3) = 0 [pid 3860] close(4) = -1 EBADF (Bad file descriptor) [pid 3860] close(5) = -1 EBADF (Bad file descriptor) [pid 3860] close(6) = -1 EBADF (Bad file descriptor) [pid 3860] close(7) = -1 EBADF (Bad file descriptor) [pid 3860] close(8) = -1 EBADF (Bad file descriptor) [pid 3860] close(9) = -1 EBADF (Bad file descriptor) [pid 3860] close(10) = -1 EBADF (Bad file descriptor) [pid 3860] close(11) = -1 EBADF (Bad file descriptor) [pid 3860] close(12) = -1 EBADF (Bad file descriptor) [ 112.819634][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888067cd4800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 112.834201][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888067cd5400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3860] close(13) = -1 EBADF (Bad file descriptor) [pid 3859] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3859] close(3 [pid 3860] close(14) = -1 EBADF (Bad file descriptor) [pid 3860] close(15) = -1 EBADF (Bad file descriptor) [pid 3860] close(16) = -1 EBADF (Bad file descriptor) [pid 3860] close(17) = -1 EBADF (Bad file descriptor) [pid 3860] close(18) = -1 EBADF (Bad file descriptor) [pid 3860] close(19) = -1 EBADF (Bad file descriptor) [ 112.882876][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880780ed800: rx timeout, send abort [ 112.891402][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077aca400: rx timeout, send abort [pid 3860] close(20) = -1 EBADF (Bad file descriptor) [pid 3860] close(21) = -1 EBADF (Bad file descriptor) [pid 3860] close(22) = -1 EBADF (Bad file descriptor) [pid 3860] close(23) = -1 EBADF (Bad file descriptor) [pid 3860] close(24 [pid 3859] <... close resumed>) = 0 [pid 3859] close(4) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3859] close(5) = -1 EBADF (Bad file descriptor) [pid 3859] close(6) = -1 EBADF (Bad file descriptor) [pid 3859] close(7) = -1 EBADF (Bad file descriptor) [pid 3859] close(8) = -1 EBADF (Bad file descriptor) [pid 3860] close(25) = -1 EBADF (Bad file descriptor) [pid 3859] close(9 [pid 3860] close(26 [pid 3859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3859] close(10 [pid 3860] close(27 [pid 3859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3859] close(11) = -1 EBADF (Bad file descriptor) [pid 3859] close(12) = -1 EBADF (Bad file descriptor) [pid 3859] close(13) = -1 EBADF (Bad file descriptor) [pid 3859] close(14) = -1 EBADF (Bad file descriptor) [pid 3859] close(15) = -1 EBADF (Bad file descriptor) [pid 3859] close(16 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] close(28 [pid 3859] close(17 [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3859] close(18) = -1 EBADF (Bad file descriptor) [ 112.961195][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880780ed800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 112.975779][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077aca400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3859] close(19 [pid 3860] close(29 [pid 3859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3860] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3859] close(20 [pid 3860] exit_group(0 [pid 3859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3859] close(21) = -1 EBADF (Bad file descriptor) [pid 3859] close(22) = -1 EBADF (Bad file descriptor) [pid 3859] close(23) = -1 EBADF (Bad file descriptor) [pid 3859] close(24) = -1 EBADF (Bad file descriptor) [pid 3859] close(25) = -1 EBADF (Bad file descriptor) [pid 3859] close(26) = -1 EBADF (Bad file descriptor) [pid 3859] close(27) = -1 EBADF (Bad file descriptor) [pid 3859] close(28) = -1 EBADF (Bad file descriptor) [pid 3859] close(29) = -1 EBADF (Bad file descriptor) [pid 3859] exit_group(0) = ? [pid 3859] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3860] <... exit_group resumed>) = ? [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3860] +++ exited with 0 +++ [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./26/binderfs", [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3618] unlink("./26/binderfs") = 0 [pid 3618] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./26/cgroup") = 0 [pid 3618] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./26/cgroup.net") = 0 [pid 3619] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] fstat(3, [pid 3618] lstat("./26/cgroup.cpu", [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] getdents64(3, [pid 3618] unlink("./26/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./26" [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] <... rmdir resumed>) = 0 [pid 3618] mkdir("./27", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3861 attached [pid 3619] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3861] chdir("./27" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 29 [pid 3861] <... chdir resumed>) = 0 [pid 3861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3861] setpgid(0, 0) = 0 [pid 3861] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3861] <... symlink resumed>) = 0 [pid 3861] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3861] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3619] lstat("./24/binderfs", [pid 3861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3861] write(3, "1000", 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3861] <... write resumed>) = 4 [pid 3619] unlink("./24/binderfs" [pid 3861] close(3) = 0 [pid 3861] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3861] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3861] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3861] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3861] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./24/cgroup") = 0 [pid 3619] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] kill(-21, SIGKILL [pid 3619] lstat("./24/cgroup.net", [pid 3850] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 3850] +++ killed by SIGKILL +++ [pid 3620] kill(21, SIGKILL) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=21, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3619] unlink("./24/cgroup.net") = 0 [pid 3620] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] lstat("./24/cgroup.cpu", [pid 3855] <... sendmsg resumed>) = 106496 [pid 3620] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3855] close(3 [pid 3620] fstat(3, [pid 3619] unlink("./24/cgroup.cpu" [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3620] getdents64(3, [pid 3619] getdents64(3, [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] close(3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... close resumed>) = 0 [pid 3620] lstat("./19/binderfs", [pid 3619] rmdir("./24" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3620] unlink("./19/binderfs" [pid 3619] mkdir("./25", 0777 [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3620] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3862 attached [pid 3620] lstat("./19/cgroup", [pid 3862] chdir("./25" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 27 [pid 3862] <... chdir resumed>) = 0 [pid 3620] unlink("./19/cgroup" [pid 3862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3862] setpgid(0, 0) = 0 [pid 3620] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3862] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3862] <... symlink resumed>) = 0 [pid 3620] lstat("./19/cgroup.net", [pid 3616] kill(-28, SIGKILL [pid 3862] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3852] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 3862] <... symlink resumed>) = 0 [pid 3852] +++ killed by SIGKILL +++ [pid 3620] unlink("./19/cgroup.net" [pid 3862] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3620] <... unlink resumed>) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=28, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3620] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] kill(28, SIGKILL [pid 3862] <... symlink resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... kill resumed>) = 0 [pid 3862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] lstat("./19/cgroup.cpu", [pid 3862] <... openat resumed>) = 3 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3862] write(3, "1000", 4 [pid 3616] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3862] <... write resumed>) = 4 [pid 3620] unlink("./19/cgroup.cpu" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3862] close(3) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3616] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3862] symlink("/dev/binderfs", "./binderfs" [pid 3620] getdents64(3, [pid 3862] <... symlink resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3862] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] close(3 [pid 3616] fstat(3, [pid 3862] <... socket resumed>) = 3 [pid 3620] <... close resumed>) = 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3862] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] rmdir("./19" [pid 3616] getdents64(3, [pid 3862] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3862] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] <... rmdir resumed>) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3862] <... bind resumed>) = 0 [pid 3862] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./26/binderfs" [pid 3620] mkdir("./20", 0777) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3863 attached [pid 3616] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3863] chdir("./20" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 22 [pid 3863] <... chdir resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./26/cgroup", [pid 3863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3863] setpgid(0, 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3863] <... setpgid resumed>) = 0 [pid 3863] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3616] unlink("./26/cgroup" [pid 3863] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3863] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3616] <... unlink resumed>) = 0 [pid 3863] <... symlink resumed>) = 0 [pid 3616] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3863] <... openat resumed>) = 3 [pid 3863] write(3, "1000", 4) = 4 [pid 3863] close(3) = 0 [pid 3863] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3863] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3616] lstat("./26/cgroup.net", [pid 3863] <... socket resumed>) = 3 [pid 3863] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3863] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3863] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] unlink("./26/cgroup.net") = 0 [pid 3616] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./26/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./26") = 0 [pid 3616] mkdir("./27", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3864 attached , child_tidptr=0x555556f5d5d0) = 29 [pid 3864] chdir("./27") = 0 [pid 3864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3864] setpgid(0, 0) = 0 [pid 3864] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3864] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3864] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3864] write(3, "1000", 4) = 4 [pid 3864] close(3) = 0 [pid 3864] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3864] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3864] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3864] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 113.878344][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f61e400: rx timeout, send abort [pid 3864] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3863] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3863] close(3) = 0 [pid 3863] close(4) = -1 EBADF (Bad file descriptor) [pid 3863] close(5) = -1 EBADF (Bad file descriptor) [pid 3863] close(6) = -1 EBADF (Bad file descriptor) [ 113.916670][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880704a6c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 113.931229][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b5f9000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3863] close(7) = -1 EBADF (Bad file descriptor) [pid 3863] close(8) = -1 EBADF (Bad file descriptor) [pid 3863] close(9) = -1 EBADF (Bad file descriptor) [pid 3863] close(10) = -1 EBADF (Bad file descriptor) [pid 3863] close(11) = -1 EBADF (Bad file descriptor) [pid 3863] close(12) = -1 EBADF (Bad file descriptor) [pid 3863] close(13) = -1 EBADF (Bad file descriptor) [pid 3863] close(14) = -1 EBADF (Bad file descriptor) [pid 3863] close(15) = -1 EBADF (Bad file descriptor) [pid 3863] close(16) = -1 EBADF (Bad file descriptor) [pid 3863] close(17) = -1 EBADF (Bad file descriptor) [pid 3863] close(18) = -1 EBADF (Bad file descriptor) [pid 3863] close(19) = -1 EBADF (Bad file descriptor) [pid 3863] close(20) = -1 EBADF (Bad file descriptor) [pid 3863] close(21) = -1 EBADF (Bad file descriptor) [pid 3863] close(22) = -1 EBADF (Bad file descriptor) [pid 3863] close(23) = -1 EBADF (Bad file descriptor) [pid 3863] close(24) = -1 EBADF (Bad file descriptor) [pid 3863] close(25) = -1 EBADF (Bad file descriptor) [pid 3863] close(26) = -1 EBADF (Bad file descriptor) [pid 3863] close(27) = -1 EBADF (Bad file descriptor) [pid 3863] close(28) = -1 EBADF (Bad file descriptor) [pid 3863] close(29) = -1 EBADF (Bad file descriptor) [pid 3863] exit_group(0) = ? [pid 3863] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./20/binderfs") = 0 [pid 3620] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./20/cgroup") = 0 [pid 3620] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./20/cgroup.net") = 0 [pid 3620] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./20/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./20") = 0 [pid 3620] mkdir("./21", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3865 attached [pid 3865] chdir("./21" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 23 [pid 3865] <... chdir resumed>) = 0 [pid 3865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3865] setpgid(0, 0) = 0 [pid 3865] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3865] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3865] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3865] write(3, "1000", 4) = 4 [pid 3865] close(3) = 0 [pid 3865] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3865] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3865] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3865] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3865] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3862] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 114.170931][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807fb19400: rx timeout, send abort [ 114.179348][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e636800: rx timeout, send abort [pid 3862] close(3) = 0 [pid 3862] close(4) = -1 EBADF (Bad file descriptor) [pid 3862] close(5) = -1 EBADF (Bad file descriptor) [pid 3862] close(6) = -1 EBADF (Bad file descriptor) [pid 3862] close(7) = -1 EBADF (Bad file descriptor) [pid 3862] close(8) = -1 EBADF (Bad file descriptor) [pid 3862] close(9) = -1 EBADF (Bad file descriptor) [pid 3862] close(10) = -1 EBADF (Bad file descriptor) [pid 3862] close(11) = -1 EBADF (Bad file descriptor) [pid 3862] close(12) = -1 EBADF (Bad file descriptor) [pid 3862] close(13) = -1 EBADF (Bad file descriptor) [pid 3862] close(14) = -1 EBADF (Bad file descriptor) [pid 3862] close(15) = -1 EBADF (Bad file descriptor) [pid 3862] close(16) = -1 EBADF (Bad file descriptor) [pid 3862] close(17) = -1 EBADF (Bad file descriptor) [pid 3862] close(18) = -1 EBADF (Bad file descriptor) [pid 3862] close(19) = -1 EBADF (Bad file descriptor) [pid 3862] close(20) = -1 EBADF (Bad file descriptor) [pid 3862] close(21) = -1 EBADF (Bad file descriptor) [pid 3862] close(22) = -1 EBADF (Bad file descriptor) [pid 3862] close(23) = -1 EBADF (Bad file descriptor) [pid 3862] close(24) = -1 EBADF (Bad file descriptor) [pid 3862] close(25) = -1 EBADF (Bad file descriptor) [pid 3862] close(26) = -1 EBADF (Bad file descriptor) [pid 3862] close(27) = -1 EBADF (Bad file descriptor) [pid 3862] close(28) = -1 EBADF (Bad file descriptor) [pid 3862] close(29) = -1 EBADF (Bad file descriptor) [pid 3862] exit_group(0) = ? [pid 3862] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3619] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./25/binderfs") = 0 [pid 3619] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./25/cgroup") = 0 [pid 3619] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./25/cgroup.net") = 0 [pid 3619] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./25/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./25") = 0 [pid 3619] mkdir("./26", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3866 attached [pid 3866] chdir("./26") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 28 [pid 3866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3866] setpgid(0, 0) = 0 [pid 3866] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3866] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3866] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [ 114.219071][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807fb19400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 114.233753][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e636800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3866] write(3, "1000", 4) = 4 [pid 3866] close(3) = 0 [pid 3866] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3866] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3866] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3866] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3866] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] kill(-18, SIGKILL [pid 3855] <... close resumed>) = ? [pid 3617] <... kill resumed>) = 0 [pid 3861] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3855] +++ killed by SIGKILL +++ [pid 3617] kill(18, SIGKILL [pid 3861] close(3 [pid 3617] <... kill resumed>) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=18, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3617] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [ 114.398260][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f61e400: abort rx timeout. Force session deactivation [ 114.427725][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a139c00: rx timeout, send abort [ 114.436115][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880761bd400: rx timeout, send abort [pid 3617] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./16/binderfs") = 0 [pid 3617] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./16/cgroup") = 0 [pid 3617] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./16/cgroup.net", [pid 3861] <... close resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3861] close(4 [pid 3617] unlink("./16/cgroup.net" [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3861] close(5 [pid 3617] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3861] close(6 [pid 3858] <... close resumed>) = 0 [pid 3617] lstat("./16/cgroup.cpu", [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(4 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3861] close(7 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./16/cgroup.cpu" [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(5 [pid 3617] <... unlink resumed>) = 0 [pid 3861] close(8 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] getdents64(3, [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(6 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3861] close(9 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] close(3 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(7 [pid 3617] <... close resumed>) = 0 [pid 3861] close(10 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] rmdir("./16" [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(8 [pid 3617] <... rmdir resumed>) = 0 [pid 3861] close(11 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] mkdir("./17", 0777 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(9 [pid 3617] <... mkdir resumed>) = 0 [pid 3861] close(12 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3867 attached [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(10 [pid 3867] chdir("./17" [pid 3861] close(13 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 114.466804][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a139c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 114.481314][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880761bd400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 114.498675][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806953d800: rx timeout, send abort [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 19 [pid 3867] <... chdir resumed>) = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(11 [pid 3867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3861] close(14 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... prctl resumed>) = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(12 [pid 3867] setpgid(0, 0 [pid 3861] close(15 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... setpgid resumed>) = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(13 [pid 3867] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3861] close(16 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... symlink resumed>) = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(14 [pid 3867] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3861] close(17 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... symlink resumed>) = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(15 [pid 3867] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3861] close(18 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... symlink resumed>) = 0 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(16 [pid 3867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3864] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3861] close(19 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... openat resumed>) = 3 [pid 3864] close(3 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(17 [pid 3867] write(3, "1000", 4 [pid 3864] <... close resumed>) = 0 [pid 3861] close(20 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... write resumed>) = 4 [pid 3864] close(4 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(18 [pid 3867] close(3 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(21 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = 0 [pid 3864] close(5 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(19 [pid 3867] symlink("/dev/binderfs", "./binderfs" [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(22 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... symlink resumed>) = 0 [pid 3864] close(6 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(20 [pid 3867] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(23 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... socket resumed>) = 3 [pid 3864] close(7 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(21 [pid 3867] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(24 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3864] close(8 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(22 [pid 3867] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(25 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... bind resumed>) = 0 [pid 3864] close(9 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(23 [pid 3867] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(26 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(10 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(24 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(27 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(11 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(25 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(28 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(12 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(26 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] close(29 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(13 [pid 3861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] close(27 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] exit_group(0 [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(14 [pid 3861] <... exit_group resumed>) = ? [pid 3858] close(28 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3861] +++ exited with 0 +++ [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(15 [pid 3858] close(29 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(16 [pid 3858] exit_group(0 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3858] <... exit_group resumed>) = ? [pid 3618] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3864] close(17 [pid 3858] +++ exited with 0 +++ [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3864] close(18 [pid 3618] <... openat resumed>) = 3 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] fstat(3, [pid 3864] close(19 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 3864] close(20 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [ 114.517628][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a25c400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 114.532137][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880787c0400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(21) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3864] close(22 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./27/binderfs", [pid 3613] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3864] close(23 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./27/binderfs" [pid 3864] close(24 [pid 3613] fstat(3, [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3864] close(25 [pid 3618] <... unlink resumed>) = 0 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] getdents64(3, [pid 3864] close(26 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3864] close(27 [pid 3618] lstat("./27/cgroup", [pid 3613] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3864] close(28 [pid 3618] unlink("./27/cgroup" [pid 3613] lstat("./19/binderfs", [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3864] close(29 [pid 3618] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] unlink("./19/binderfs" [pid 3864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... unlink resumed>) = 0 [pid 3864] exit_group(0 [pid 3618] lstat("./27/cgroup.net", [pid 3864] <... exit_group resumed>) = ? [pid 3613] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3864] +++ exited with 0 +++ [pid 3618] unlink("./27/cgroup.net" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... unlink resumed>) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3616] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, [pid 3618] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] lstat("./19/cgroup", [pid 3616] getdents64(3, [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./27/cgroup.cpu", [pid 3616] lstat("./27/binderfs", [pid 3613] unlink("./19/cgroup" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./27/binderfs" [pid 3613] <... unlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3618] unlink("./27/cgroup.cpu" [pid 3616] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3616] unlink("./27/cgroup" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] getdents64(3, [pid 3616] lstat("./27/cgroup.net", [pid 3613] lstat("./19/cgroup.net", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./27/cgroup.net" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./27/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./27" [pid 3618] close(3 [pid 3616] <... rmdir resumed>) = 0 [pid 3613] unlink("./19/cgroup.net" [pid 3616] mkdir("./28", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3868 attached [pid 3868] chdir("./28" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 30 [pid 3868] <... chdir resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3868] setpgid(0, 0) = 0 [pid 3868] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3868] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3868] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3613] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3868] write(3, "1000", 4) = 4 [pid 3868] close(3) = 0 [pid 3868] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3868] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3868] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3618] rmdir("./27" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3868] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3868] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3613] lstat("./19/cgroup.cpu", [pid 3868] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] mkdir("./28", 0777 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... mkdir resumed>) = 0 [pid 3613] unlink("./19/cgroup.cpu" [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3869 attached [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 30 [pid 3613] close(3 [pid 3869] chdir("./28" [pid 3613] <... close resumed>) = 0 [pid 3869] <... chdir resumed>) = 0 [pid 3613] rmdir("./19" [pid 3869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... rmdir resumed>) = 0 [pid 3869] <... prctl resumed>) = 0 [pid 3613] mkdir("./20", 0777 [pid 3869] setpgid(0, 0) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 3869] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3870 attached [pid 3869] <... symlink resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 22 [pid 3870] chdir("./20" [pid 3869] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3870] <... chdir resumed>) = 0 [pid 3869] <... symlink resumed>) = 0 [pid 3869] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3869] <... symlink resumed>) = 0 [pid 3870] setpgid(0, 0 [pid 3869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3870] <... setpgid resumed>) = 0 [pid 3869] <... openat resumed>) = 3 [pid 3870] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3869] write(3, "1000", 4 [pid 3870] <... symlink resumed>) = 0 [pid 3870] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3869] <... write resumed>) = 4 [pid 3870] <... symlink resumed>) = 0 [pid 3869] close(3) = 0 [pid 3870] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3869] symlink("/dev/binderfs", "./binderfs" [pid 3870] <... symlink resumed>) = 0 [pid 3869] <... symlink resumed>) = 0 [pid 3870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3869] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3870] <... openat resumed>) = 3 [pid 3869] <... socket resumed>) = 3 [pid 3870] write(3, "1000", 4 [pid 3869] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3870] <... write resumed>) = 4 [pid 3870] close(3 [pid 3869] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3870] <... close resumed>) = 0 [pid 3869] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3870] symlink("/dev/binderfs", "./binderfs" [pid 3869] <... bind resumed>) = 0 [pid 3870] <... symlink resumed>) = 0 [pid 3869] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3870] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3865] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3865] close(3 [pid 3870] <... socket resumed>) = 3 [pid 3870] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [ 114.898100][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b37f400: rx timeout, send abort [ 114.906608][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807ba48800: rx timeout, send abort [pid 3870] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3865] <... close resumed>) = 0 [pid 3870] <... bind resumed>) = 0 [pid 3865] close(4) = -1 EBADF (Bad file descriptor) [pid 3865] close(5 [pid 3870] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(6) = -1 EBADF (Bad file descriptor) [pid 3865] close(7) = -1 EBADF (Bad file descriptor) [pid 3865] close(8) = -1 EBADF (Bad file descriptor) [pid 3865] close(9) = -1 EBADF (Bad file descriptor) [pid 3865] close(10) = -1 EBADF (Bad file descriptor) [pid 3865] close(11) = -1 EBADF (Bad file descriptor) [pid 3865] close(12) = -1 EBADF (Bad file descriptor) [pid 3865] close(13) = -1 EBADF (Bad file descriptor) [pid 3865] close(14) = -1 EBADF (Bad file descriptor) [pid 3865] close(15) = -1 EBADF (Bad file descriptor) [pid 3865] close(16) = -1 EBADF (Bad file descriptor) [pid 3865] close(17) = -1 EBADF (Bad file descriptor) [pid 3865] close(18) = -1 EBADF (Bad file descriptor) [pid 3865] close(19) = -1 EBADF (Bad file descriptor) [pid 3865] close(20) = -1 EBADF (Bad file descriptor) [pid 3865] close(21) = -1 EBADF (Bad file descriptor) [pid 3865] close(22) = -1 EBADF (Bad file descriptor) [ 114.941383][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b37f400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 114.955935][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807ba48800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3865] close(23) = -1 EBADF (Bad file descriptor) [pid 3865] close(24) = -1 EBADF (Bad file descriptor) [pid 3865] close(25) = -1 EBADF (Bad file descriptor) [pid 3865] close(26) = -1 EBADF (Bad file descriptor) [pid 3865] close(27) = -1 EBADF (Bad file descriptor) [pid 3865] close(28) = -1 EBADF (Bad file descriptor) [pid 3865] close(29) = -1 EBADF (Bad file descriptor) [pid 3865] exit_group(0) = ? [pid 3865] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3620] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 115.011941][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806953d800: abort rx timeout. Force session deactivation [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./21/binderfs") = 0 [pid 3620] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./21/cgroup") = 0 [pid 3620] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./21/cgroup.net") = 0 [pid 3620] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./21/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./21") = 0 [pid 3620] mkdir("./22", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3871 attached [pid 3871] chdir("./22") = 0 [pid 3871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 24 [pid 3871] setpgid(0, 0) = 0 [pid 3871] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3871] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3871] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3871] write(3, "1000", 4) = 4 [pid 3871] close(3) = 0 [pid 3871] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3871] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3871] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3871] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3871] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3867] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 115.165206][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880750bac00: rx timeout, send abort [ 115.177800][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880703af000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 115.194193][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880703adc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3867] close(3) = 0 [pid 3867] close(4) = -1 EBADF (Bad file descriptor) [pid 3867] close(5) = -1 EBADF (Bad file descriptor) [pid 3867] close(6) = -1 EBADF (Bad file descriptor) [pid 3867] close(7) = -1 EBADF (Bad file descriptor) [pid 3867] close(8) = -1 EBADF (Bad file descriptor) [pid 3867] close(9) = -1 EBADF (Bad file descriptor) [pid 3867] close(10) = -1 EBADF (Bad file descriptor) [pid 3867] close(11) = -1 EBADF (Bad file descriptor) [pid 3867] close(12) = -1 EBADF (Bad file descriptor) [pid 3867] close(13 [pid 3866] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3866] close(3 [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] close(14) = -1 EBADF (Bad file descriptor) [pid 3867] close(15) = -1 EBADF (Bad file descriptor) [pid 3867] close(16) = -1 EBADF (Bad file descriptor) [pid 3867] close(17) = -1 EBADF (Bad file descriptor) [pid 3867] close(18) = -1 EBADF (Bad file descriptor) [pid 3867] close(19) = -1 EBADF (Bad file descriptor) [pid 3867] close(20) = -1 EBADF (Bad file descriptor) [pid 3867] close(21) = -1 EBADF (Bad file descriptor) [pid 3867] close(22) = -1 EBADF (Bad file descriptor) [pid 3867] close(23) = -1 EBADF (Bad file descriptor) [pid 3867] close(24) = -1 EBADF (Bad file descriptor) [pid 3867] close(25) = -1 EBADF (Bad file descriptor) [ 115.232886][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888070726000: rx timeout, send abort [ 115.241285][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a68c000: rx timeout, send abort [pid 3867] close(26 [pid 3866] <... close resumed>) = 0 [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(4 [pid 3867] close(27 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(5 [pid 3867] close(28 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(6 [pid 3867] close(29 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(7 [pid 3867] exit_group(0 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3867] <... exit_group resumed>) = ? [pid 3866] close(8 [pid 3867] +++ exited with 0 +++ [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(9) = -1 EBADF (Bad file descriptor) [pid 3866] close(10) = -1 EBADF (Bad file descriptor) [pid 3866] close(11) = -1 EBADF (Bad file descriptor) [pid 3866] close(12) = -1 EBADF (Bad file descriptor) [pid 3866] close(13) = -1 EBADF (Bad file descriptor) [pid 3866] close(14) = -1 EBADF (Bad file descriptor) [pid 3866] close(15) = -1 EBADF (Bad file descriptor) [pid 3866] close(16 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 3866] close(17 [pid 3617] <... restart_syscall resumed>) = 0 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(18) = -1 EBADF (Bad file descriptor) [pid 3866] close(19) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3866] close(20) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3866] close(21) = -1 EBADF (Bad file descriptor) [pid 3866] close(22) = -1 EBADF (Bad file descriptor) [pid 3866] close(23) = -1 EBADF (Bad file descriptor) [pid 3866] close(24) = -1 EBADF (Bad file descriptor) [pid 3866] close(25) = -1 EBADF (Bad file descriptor) [pid 3866] close(26) = -1 EBADF (Bad file descriptor) [pid 3866] close(27) = -1 EBADF (Bad file descriptor) [pid 3866] close(28) = -1 EBADF (Bad file descriptor) [pid 3866] close(29) = -1 EBADF (Bad file descriptor) [pid 3866] exit_group(0) = ? [pid 3866] +++ exited with 0 +++ [ 115.277875][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888070726000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 115.292429][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a68c000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, [pid 3619] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] getdents64(3, [pid 3619] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 3617] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3617] lstat("./17/binderfs", [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] unlink("./17/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./26/binderfs", [pid 3617] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./26/binderfs") = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] lstat("./17/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./26/cgroup", [pid 3617] unlink("./17/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3619] unlink("./26/cgroup" [pid 3617] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3617] lstat("./17/cgroup.net", [pid 3619] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./26/cgroup.net", [pid 3617] unlink("./17/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./26/cgroup.net" [pid 3617] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3617] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./26/cgroup.cpu", [pid 3617] lstat("./17/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./26/cgroup.cpu" [pid 3617] unlink("./17/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3617] getdents64(3, [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 3617] close(3 [pid 3619] <... close resumed>) = 0 [pid 3617] <... close resumed>) = 0 [pid 3619] rmdir("./26" [pid 3617] rmdir("./17" [pid 3619] <... rmdir resumed>) = 0 [pid 3617] <... rmdir resumed>) = 0 [pid 3619] mkdir("./27", 0777 [pid 3617] mkdir("./18", 0777 [pid 3619] <... mkdir resumed>) = 0 [pid 3617] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3872 attached ./strace-static-x86_64: Process 3873 attached [pid 3872] chdir("./27" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 29 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 20 [pid 3873] chdir("./18" [pid 3872] <... chdir resumed>) = 0 [pid 3873] <... chdir resumed>) = 0 [pid 3873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3873] setpgid(0, 0 [pid 3872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3873] <... setpgid resumed>) = 0 [pid 3872] <... prctl resumed>) = 0 [pid 3872] setpgid(0, 0) = 0 [pid 3872] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3873] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3872] <... symlink resumed>) = 0 [pid 3872] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3873] <... symlink resumed>) = 0 [pid 3872] <... symlink resumed>) = 0 [pid 3872] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3872] write(3, "1000", 4) = 4 [pid 3873] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3872] close(3) = 0 [pid 3873] <... symlink resumed>) = 0 [pid 3872] symlink("/dev/binderfs", "./binderfs" [pid 3873] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3872] <... symlink resumed>) = 0 [pid 3872] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3873] <... symlink resumed>) = 0 [pid 3872] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3872] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3872] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3873] <... openat resumed>) = 3 [pid 3873] write(3, "1000", 4) = 4 [pid 3873] close(3 [pid 3872] <... bind resumed>) = 0 [pid 3873] <... close resumed>) = 0 [pid 3873] symlink("/dev/binderfs", "./binderfs" [pid 3872] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3873] <... symlink resumed>) = 0 [pid 3873] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3873] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3873] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 115.676071][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880750bac00: abort rx timeout. Force session deactivation [pid 3873] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3869] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 115.765858][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888075ecac00: rx timeout, send abort [ 115.774275][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888079a34c00: rx timeout, send abort [pid 3869] close(3) = 0 [pid 3869] close(4) = -1 EBADF (Bad file descriptor) [pid 3869] close(5) = -1 EBADF (Bad file descriptor) [pid 3869] close(6) = -1 EBADF (Bad file descriptor) [pid 3869] close(7) = -1 EBADF (Bad file descriptor) [pid 3869] close(8) = -1 EBADF (Bad file descriptor) [pid 3869] close(9) = -1 EBADF (Bad file descriptor) [pid 3869] close(10) = -1 EBADF (Bad file descriptor) [pid 3869] close(11) = -1 EBADF (Bad file descriptor) [pid 3869] close(12) = -1 EBADF (Bad file descriptor) [pid 3869] close(13) = -1 EBADF (Bad file descriptor) [pid 3869] close(14) = -1 EBADF (Bad file descriptor) [pid 3869] close(15) = -1 EBADF (Bad file descriptor) [pid 3869] close(16) = -1 EBADF (Bad file descriptor) [pid 3869] close(17) = -1 EBADF (Bad file descriptor) [pid 3869] close(18) = -1 EBADF (Bad file descriptor) [pid 3869] close(19) = -1 EBADF (Bad file descriptor) [pid 3869] close(20) = -1 EBADF (Bad file descriptor) [ 115.837010][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075ecac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 115.851598][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888079a34c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3869] close(21) = -1 EBADF (Bad file descriptor) [pid 3869] close(22) = -1 EBADF (Bad file descriptor) [pid 3869] close(23) = -1 EBADF (Bad file descriptor) [pid 3869] close(24) = -1 EBADF (Bad file descriptor) [pid 3869] close(25) = -1 EBADF (Bad file descriptor) [pid 3869] close(26) = -1 EBADF (Bad file descriptor) [pid 3869] close(27) = -1 EBADF (Bad file descriptor) [pid 3869] close(28) = -1 EBADF (Bad file descriptor) [pid 3869] close(29) = -1 EBADF (Bad file descriptor) [pid 3869] exit_group(0) = ? [pid 3869] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./28/binderfs") = 0 [pid 3618] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./28/cgroup") = 0 [pid 3618] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./28/cgroup.net") = 0 [pid 3618] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./28/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./28") = 0 [pid 3618] mkdir("./29", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 31 ./strace-static-x86_64: Process 3874 attached [pid 3874] chdir("./29") = 0 [pid 3874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3874] setpgid(0, 0) = 0 [pid 3874] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3874] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3874] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3874] write(3, "1000", 4) = 4 [pid 3874] close(3) = 0 [pid 3874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3874] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3874] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3874] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3874] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3872] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 116.464497][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888017353400: rx timeout, send abort [ 116.472898][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888017353c00: rx timeout, send abort [pid 3872] close(3) = 0 [pid 3872] close(4) = -1 EBADF (Bad file descriptor) [pid 3872] close(5) = -1 EBADF (Bad file descriptor) [pid 3872] close(6) = -1 EBADF (Bad file descriptor) [pid 3872] close(7) = -1 EBADF (Bad file descriptor) [pid 3872] close(8) = -1 EBADF (Bad file descriptor) [pid 3872] close(9) = -1 EBADF (Bad file descriptor) [pid 3872] close(10) = -1 EBADF (Bad file descriptor) [pid 3872] close(11) = -1 EBADF (Bad file descriptor) [ 116.527222][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888017353400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 116.541766][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888017353c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3872] close(12) = -1 EBADF (Bad file descriptor) [pid 3872] close(13) = -1 EBADF (Bad file descriptor) [pid 3872] close(14) = -1 EBADF (Bad file descriptor) [pid 3872] close(15) = -1 EBADF (Bad file descriptor) [pid 3872] close(16) = -1 EBADF (Bad file descriptor) [pid 3872] close(17) = -1 EBADF (Bad file descriptor) [pid 3872] close(18) = -1 EBADF (Bad file descriptor) [pid 3872] close(19) = -1 EBADF (Bad file descriptor) [pid 3872] close(20) = -1 EBADF (Bad file descriptor) [pid 3872] close(21) = -1 EBADF (Bad file descriptor) [pid 3872] close(22) = -1 EBADF (Bad file descriptor) [pid 3872] close(23) = -1 EBADF (Bad file descriptor) [pid 3872] close(24) = -1 EBADF (Bad file descriptor) [pid 3872] close(25) = -1 EBADF (Bad file descriptor) [pid 3872] close(26) = -1 EBADF (Bad file descriptor) [pid 3872] close(27) = -1 EBADF (Bad file descriptor) [pid 3872] close(28) = -1 EBADF (Bad file descriptor) [pid 3872] close(29) = -1 EBADF (Bad file descriptor) [pid 3872] exit_group(0) = ? [pid 3872] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./27/binderfs") = 0 [pid 3619] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./27/cgroup") = 0 [pid 3619] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./27/cgroup.net") = 0 [pid 3619] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./27/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./27") = 0 [pid 3619] mkdir("./28", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 30 ./strace-static-x86_64: Process 3875 attached [pid 3875] chdir("./28") = 0 [pid 3875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3875] setpgid(0, 0) = 0 [pid 3875] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3875] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3875] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3875] write(3, "1000", 4) = 4 [pid 3875] close(3) = 0 [pid 3875] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3875] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3875] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3875] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3875] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3874] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 117.159625][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f01b000: rx timeout, send abort [ 117.168038][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069025c00: rx timeout, send abort [pid 3874] close(3) = 0 [pid 3874] close(4) = -1 EBADF (Bad file descriptor) [ 117.234904][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f01b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 117.249492][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069025c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3874] close(5 [pid 3868] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(3 [pid 3874] close(6) = -1 EBADF (Bad file descriptor) [pid 3874] close(7) = -1 EBADF (Bad file descriptor) [pid 3874] close(8) = -1 EBADF (Bad file descriptor) [pid 3874] close(9) = -1 EBADF (Bad file descriptor) [pid 3874] close(10) = -1 EBADF (Bad file descriptor) [pid 3874] close(11) = -1 EBADF (Bad file descriptor) [pid 3874] close(12) = -1 EBADF (Bad file descriptor) [pid 3874] close(13) = -1 EBADF (Bad file descriptor) [pid 3874] close(14) = -1 EBADF (Bad file descriptor) [pid 3874] close(15) = -1 EBADF (Bad file descriptor) [pid 3874] close(16) = -1 EBADF (Bad file descriptor) [pid 3874] close(17) = -1 EBADF (Bad file descriptor) [ 117.291240][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806aa8e400: rx timeout, send abort [ 117.299612][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801bae7400: rx timeout, send abort [pid 3874] close(18) = -1 EBADF (Bad file descriptor) [pid 3874] close(19) = -1 EBADF (Bad file descriptor) [pid 3874] close(20) = -1 EBADF (Bad file descriptor) [pid 3874] close(21) = -1 EBADF (Bad file descriptor) [pid 3874] close(22 [pid 3870] <... sendmsg resumed>) = 106496 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] close(23 [pid 3870] close(3 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = 0 [pid 3874] close(24 [pid 3868] close(4 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] close(25 [pid 3868] close(5 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(6 [pid 3874] close(26 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(7 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] close(27 [pid 3868] close(8 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] close(28 [pid 3868] close(9 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] close(29 [pid 3868] close(10 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] exit_group(0 [pid 3868] close(11 [pid 3874] <... exit_group resumed>) = ? [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] +++ exited with 0 +++ [pid 3868] close(12) = -1 EBADF (Bad file descriptor) [pid 3868] close(13 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 3868] close(14 [pid 3618] <... restart_syscall resumed>) = 0 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(15) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3868] close(16 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3868] close(17 [pid 3618] getdents64(3, [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3868] close(18 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./29/binderfs") = 0 [pid 3618] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 117.358851][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806aa8e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 117.373380][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801bae7400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] lstat("./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./29/cgroup" [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3868] close(19 [pid 3618] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./29/cgroup.net", [pid 3868] close(20 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./29/cgroup.net" [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3868] close(21 [pid 3618] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./29/cgroup.cpu" [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(22) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3868] close(23) = -1 EBADF (Bad file descriptor) [pid 3868] close(24 [pid 3618] getdents64(3, [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(25 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3868] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3868] close(26) = -1 EBADF (Bad file descriptor) [pid 3868] close(27) = -1 EBADF (Bad file descriptor) [pid 3868] close(28) = -1 EBADF (Bad file descriptor) [pid 3868] close(29) = -1 EBADF (Bad file descriptor) [pid 3618] close(3 [pid 3868] exit_group(0 [pid 3618] <... close resumed>) = 0 [pid 3868] <... exit_group resumed>) = ? [pid 3618] rmdir("./29" [pid 3868] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=1, si_stime=0} --- [pid 3618] <... rmdir resumed>) = 0 [pid 3616] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, [pid 3618] mkdir("./30", 0777 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, [pid 3618] <... mkdir resumed>) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./28/binderfs") = 0 [pid 3616] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./28/cgroup") = 0 ./strace-static-x86_64: Process 3876 attached [pid 3616] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./28/cgroup.net") = 0 [pid 3616] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] chdir("./30" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 32 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... chdir resumed>) = 0 [pid 3871] <... sendmsg resumed>) = 106496 [pid 3616] lstat("./28/cgroup.cpu", [pid 3876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3871] close(3 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3876] <... prctl resumed>) = 0 [pid 3616] unlink("./28/cgroup.cpu" [pid 3876] setpgid(0, 0 [pid 3616] <... unlink resumed>) = 0 [pid 3876] <... setpgid resumed>) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3876] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3616] close(3) = 0 [pid 3876] <... symlink resumed>) = 0 [pid 3616] rmdir("./28" [pid 3876] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3616] <... rmdir resumed>) = 0 [pid 3616] mkdir("./29", 0777 [pid 3876] <... symlink resumed>) = 0 [pid 3616] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3877 attached [pid 3877] chdir("./29" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 31 [pid 3877] <... chdir resumed>) = 0 [pid 3877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3877] setpgid(0, 0) = 0 [pid 3877] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3877] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3877] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3877] write(3, "1000", 4) = 4 [pid 3877] close(3) = 0 [pid 3877] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3877] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3877] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3876] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3877] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3877] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3876] <... symlink resumed>) = 0 [pid 3877] <... bind resumed>) = 0 [pid 3876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3877] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3876] <... openat resumed>) = 3 [pid 3876] write(3, "1000", 4) = 4 [pid 3876] close(3) = 0 [pid 3876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3876] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3876] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3876] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3876] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3877] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3877] close(3 [pid 3876] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 118.571342][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888020d23400: rx timeout, send abort [ 118.575043][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880693c0400: rx timeout, send abort [ 118.579743][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069e69800: rx timeout, send abort [ 118.587952][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888069242400: rx timeout, send abort [pid 3876] close(3 [pid 3877] <... close resumed>) = 0 [pid 3877] close(4) = -1 EBADF (Bad file descriptor) [ 118.654098][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888020d23400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 118.668662][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069e69800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 118.683281][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806ac1f800: rx timeout, send abort [ 118.691657][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807bfc3c00: rx timeout, send abort [ 118.706539][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ac1f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 118.708320][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880693c0400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 118.721105][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807bfc3c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3877] close(5) = -1 EBADF (Bad file descriptor) [pid 3877] close(6) = -1 EBADF (Bad file descriptor) [pid 3877] close(7) = -1 EBADF (Bad file descriptor) [pid 3877] close(8) = -1 EBADF (Bad file descriptor) [pid 3877] close(9) = -1 EBADF (Bad file descriptor) [pid 3877] close(10) = -1 EBADF (Bad file descriptor) [pid 3877] close(11) = -1 EBADF (Bad file descriptor) [pid 3877] close(12) = -1 EBADF (Bad file descriptor) [pid 3877] close(13) = -1 EBADF (Bad file descriptor) [pid 3877] close(14) = -1 EBADF (Bad file descriptor) [pid 3877] close(15) = -1 EBADF (Bad file descriptor) [pid 3877] close(16) = -1 EBADF (Bad file descriptor) [pid 3877] close(17 [pid 3876] <... close resumed>) = 0 [pid 3873] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(4 [pid 3877] close(18 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(5 [pid 3877] close(19 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(6 [pid 3877] close(20 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(7 [pid 3877] close(21 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(8 [pid 3877] close(22 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(9 [pid 3877] close(23 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(10 [pid 3877] close(24 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(11 [pid 3877] close(25 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(12 [pid 3877] close(26 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(3 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(13 [pid 3873] <... close resumed>) = 0 [pid 3877] close(27 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(14 [pid 3877] close(28 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(15 [pid 3877] close(29 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(16 [pid 3877] exit_group(0 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... exit_group resumed>) = ? [pid 3876] close(17 [pid 3877] +++ exited with 0 +++ [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(18 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3876] close(19) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] close(20 [pid 3873] close(4 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3876] close(21 [pid 3616] <... openat resumed>) = 3 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] fstat(3, [pid 3876] close(22 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, [pid 3876] close(23 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] close(24 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./29/binderfs", [pid 3876] close(25 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./29/binderfs" [pid 3876] close(26 [pid 3616] <... unlink resumed>) = 0 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] close(27 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./29/cgroup", [pid 3876] close(28 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./29/cgroup" [pid 3876] close(29 [pid 3616] <... unlink resumed>) = 0 [pid 3876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3876] exit_group(0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... exit_group resumed>) = ? [pid 3616] lstat("./29/cgroup.net", [pid 3876] +++ exited with 0 +++ [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] unlink("./29/cgroup.net" [pid 3873] close(5 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 118.735762][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069242400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] lstat("./29/cgroup.cpu", [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./29/cgroup.cpu" [pid 3618] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] getdents64(3, [pid 3618] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3616] close(3 [pid 3618] fstat(3, [pid 3616] <... close resumed>) = 0 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] rmdir("./29" [pid 3618] getdents64(3, [pid 3616] <... rmdir resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] mkdir("./30", 0777 [pid 3873] close(6 [pid 3618] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... mkdir resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 32 ./strace-static-x86_64: Process 3878 attached [pid 3873] close(7 [pid 3618] unlink("./30/binderfs") = 0 [pid 3618] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3878] chdir("./30" [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./30/cgroup") = 0 [pid 3618] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3873] close(8 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3878] <... chdir resumed>) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./30/cgroup.net", [pid 3878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3875] <... sendmsg resumed>) = 106496 [pid 3873] close(9 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./30/cgroup.net") = 0 [pid 3618] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./30/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./30") = 0 [pid 3618] mkdir("./31", 0777 [pid 3878] <... prctl resumed>) = 0 [pid 3875] close(3 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... mkdir resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3879 attached [pid 3878] setpgid(0, 0 [pid 3873] close(10 [pid 3879] chdir("./31" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 33 [pid 3879] <... chdir resumed>) = 0 [pid 3879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3878] <... setpgid resumed>) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] setpgid(0, 0) = 0 [pid 3879] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3878] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3873] close(11 [pid 3879] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3879] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3878] <... symlink resumed>) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] write(3, "1000", 4 [pid 3878] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3873] close(12 [pid 3879] <... write resumed>) = 4 [pid 3879] close(3) = 0 [pid 3879] symlink("/dev/binderfs", "./binderfs" [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3879] <... symlink resumed>) = 0 [pid 3878] <... symlink resumed>) = 0 [pid 3879] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3878] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3873] close(13 [pid 3879] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... symlink resumed>) = 0 [pid 3879] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3879] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3879] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3873] close(14 [pid 3878] <... openat resumed>) = 3 [pid 3878] write(3, "1000", 4 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(15 [pid 3878] <... write resumed>) = 4 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(16) = -1 EBADF (Bad file descriptor) [pid 3873] close(17) = -1 EBADF (Bad file descriptor) [pid 3878] close(3 [pid 3873] close(18) = -1 EBADF (Bad file descriptor) [pid 3873] close(19 [pid 3878] <... close resumed>) = 0 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] close(20) = -1 EBADF (Bad file descriptor) [pid 3873] close(21) = -1 EBADF (Bad file descriptor) [pid 3873] close(22) = -1 EBADF (Bad file descriptor) [pid 3873] close(23) = -1 EBADF (Bad file descriptor) [pid 3878] symlink("/dev/binderfs", "./binderfs" [pid 3873] close(24) = -1 EBADF (Bad file descriptor) [pid 3873] close(25) = -1 EBADF (Bad file descriptor) [pid 3873] close(26) = -1 EBADF (Bad file descriptor) [pid 3873] close(27) = -1 EBADF (Bad file descriptor) [pid 3873] close(28) = -1 EBADF (Bad file descriptor) [pid 3878] <... symlink resumed>) = 0 [pid 3873] close(29 [pid 3878] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3873] exit_group(0) = ? [pid 3873] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 3878] <... socket resumed>) = 3 [pid 3617] <... restart_syscall resumed>) = 0 [pid 3878] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3878] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3878] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./18/binderfs", [pid 3878] <... bind resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./18/binderfs") = 0 [pid 3617] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./18/cgroup", [pid 3878] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./18/cgroup") = 0 [pid 3617] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./18/cgroup.net") = 0 [pid 3617] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./18/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./18") = 0 [pid 3617] mkdir("./19", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3880 attached [pid 3880] chdir("./19" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 21 [pid 3880] <... chdir resumed>) = 0 [pid 3880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3880] setpgid(0, 0) = 0 [pid 3880] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3880] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3880] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3880] write(3, "1000", 4) = 4 [pid 3880] close(3) = 0 [pid 3880] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3880] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3880] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3880] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3880] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] kill(-22, SIGKILL [pid 3870] <... close resumed>) = ? [pid 3613] <... kill resumed>) = 0 [pid 3870] +++ killed by SIGKILL +++ [pid 3613] kill(22, SIGKILL) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=22, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3613] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3880] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3613] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3880] close(3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 120.011425][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d8bb000: rx timeout, send abort [ 120.019822][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d146400: rx timeout, send abort [pid 3613] unlink("./20/binderfs" [pid 3880] <... close resumed>) = 0 [pid 3880] close(4 [pid 3613] <... unlink resumed>) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3880] close(5) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./20/cgroup", [pid 3880] close(6) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3880] close(7 [pid 3613] unlink("./20/cgroup" [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] close(8 [pid 3613] <... unlink resumed>) = 0 [ 120.047793][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d8bb000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 120.062429][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d146400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3880] close(9 [pid 3620] kill(-24, SIGKILL [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3871] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 3613] lstat("./20/cgroup.net", [pid 3880] close(10 [pid 3871] +++ killed by SIGKILL +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=24, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] kill(24, SIGKILL [pid 3613] unlink("./20/cgroup.net" [pid 3880] close(11 [pid 3620] <... kill resumed>) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 3880] close(12 [pid 3613] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] close(13 [pid 3620] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./20/cgroup.cpu", [pid 3880] close(14 [pid 3620] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3880] close(15 [pid 3620] <... openat resumed>) = 3 [pid 3613] unlink("./20/cgroup.cpu" [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] fstat(3, [pid 3613] <... unlink resumed>) = 0 [pid 3880] close(16 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3613] getdents64(3, [pid 3880] close(17 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3880] close(18 [pid 3620] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] close(3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./22/binderfs", [pid 3613] <... close resumed>) = 0 [pid 3880] close(19) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] rmdir("./20" [pid 3880] close(20 [pid 3620] unlink("./22/binderfs" [pid 3613] <... rmdir resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3880] close(21 [pid 3613] mkdir("./21", 0777 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... mkdir resumed>) = 0 [pid 3880] close(22 [pid 3620] lstat("./22/cgroup", [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3880] close(23./strace-static-x86_64: Process 3881 attached [pid 3620] unlink("./22/cgroup" [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3880] close(24 [pid 3881] chdir("./21" [pid 3620] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 23 [pid 3881] <... chdir resumed>) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3880] close(25 [pid 3620] lstat("./22/cgroup.net", [pid 3881] <... prctl resumed>) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3881] setpgid(0, 0 [pid 3880] close(26 [pid 3620] unlink("./22/cgroup.net" [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... setpgid resumed>) = 0 [pid 3880] close(27 [pid 3620] <... unlink resumed>) = 0 [pid 3881] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3881] <... symlink resumed>) = 0 [pid 3880] close(28 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3881] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./22/cgroup.cpu", [pid 3881] <... symlink resumed>) = 0 [pid 3881] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3880] close(29 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3881] <... symlink resumed>) = 0 [pid 3880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./22/cgroup.cpu" [pid 3881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3880] exit_group(0 [pid 3620] <... unlink resumed>) = 0 [pid 3880] <... exit_group resumed>) = ? [pid 3881] <... openat resumed>) = 3 [pid 3881] write(3, "1000", 4 [pid 3880] +++ exited with 0 +++ [pid 3620] getdents64(3, [pid 3881] <... write resumed>) = 4 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3881] close(3 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] close(3 [pid 3881] <... close resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3881] symlink("/dev/binderfs", "./binderfs" [pid 3620] rmdir("./22" [pid 3881] <... symlink resumed>) = 0 [pid 3620] <... rmdir resumed>) = 0 [pid 3617] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3881] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] mkdir("./23", 0777 [pid 3881] <... socket resumed>) = 3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3881] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] <... mkdir resumed>) = 0 [pid 3617] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3881] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3882 attached [pid 3881] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] fstat(3, [pid 3882] chdir("./23") = 0 [pid 3882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3882] setpgid(0, 0) = 0 [pid 3882] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3882] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3882] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3881] <... bind resumed>) = 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 25 [pid 3882] <... symlink resumed>) = 0 [pid 3881] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3882] write(3, "1000", 4) = 4 [pid 3882] close(3) = 0 [pid 3882] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3617] getdents64(3, [pid 3882] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3882] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3882] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3882] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./19/binderfs") = 0 [pid 3617] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./19/cgroup") = 0 [pid 3617] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./19/cgroup.net") = 0 [pid 3617] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./19/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./19") = 0 [pid 3617] mkdir("./20", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3883 attached [pid 3883] chdir("./20" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 22 [pid 3883] <... chdir resumed>) = 0 [pid 3883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3883] setpgid(0, 0) = 0 [pid 3883] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3883] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3883] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3883] write(3, "1000", 4) = 4 [pid 3883] close(3) = 0 [pid 3883] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3883] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3883] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3883] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3883] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3881] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3881] close(3) = 0 [pid 3881] close(4) = -1 EBADF (Bad file descriptor) [pid 3881] close(5) = -1 EBADF (Bad file descriptor) [pid 3881] close(6) = -1 EBADF (Bad file descriptor) [ 121.092676][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888075ca6400: rx timeout, send abort [ 121.112438][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806af56400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 121.126997][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888072f2ec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3881] close(7) = -1 EBADF (Bad file descriptor) [pid 3881] close(8) = -1 EBADF (Bad file descriptor) [pid 3881] close(9) = -1 EBADF (Bad file descriptor) [pid 3881] close(10) = -1 EBADF (Bad file descriptor) [pid 3881] close(11) = -1 EBADF (Bad file descriptor) [pid 3881] close(12) = -1 EBADF (Bad file descriptor) [pid 3881] close(13) = -1 EBADF (Bad file descriptor) [pid 3881] close(14) = -1 EBADF (Bad file descriptor) [pid 3881] close(15) = -1 EBADF (Bad file descriptor) [pid 3881] close(16) = -1 EBADF (Bad file descriptor) [pid 3881] close(17) = -1 EBADF (Bad file descriptor) [pid 3881] close(18) = -1 EBADF (Bad file descriptor) [pid 3881] close(19) = -1 EBADF (Bad file descriptor) [pid 3881] close(20) = -1 EBADF (Bad file descriptor) [pid 3881] close(21) = -1 EBADF (Bad file descriptor) [pid 3881] close(22) = -1 EBADF (Bad file descriptor) [pid 3881] close(23) = -1 EBADF (Bad file descriptor) [pid 3881] close(24) = -1 EBADF (Bad file descriptor) [pid 3881] close(25) = -1 EBADF (Bad file descriptor) [pid 3881] close(26) = -1 EBADF (Bad file descriptor) [pid 3881] close(27) = -1 EBADF (Bad file descriptor) [pid 3881] close(28) = -1 EBADF (Bad file descriptor) [pid 3881] close(29) = -1 EBADF (Bad file descriptor) [pid 3881] exit_group(0) = ? [pid 3881] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3879] <... sendmsg resumed>) = 106496 [pid 3879] close(3 [pid 3613] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./21/binderfs") = 0 [pid 3613] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./21/cgroup" [pid 3882] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3882] close(3) = 0 [pid 3882] close(4) = -1 EBADF (Bad file descriptor) [pid 3882] close(5) = -1 EBADF (Bad file descriptor) [pid 3882] close(6) = -1 EBADF (Bad file descriptor) [pid 3882] close(7) = -1 EBADF (Bad file descriptor) [pid 3882] close(8) = -1 EBADF (Bad file descriptor) [pid 3882] close(9) = -1 EBADF (Bad file descriptor) [pid 3882] close(10) = -1 EBADF (Bad file descriptor) [pid 3882] close(11) = -1 EBADF (Bad file descriptor) [pid 3882] close(12) = -1 EBADF (Bad file descriptor) [pid 3882] close(13) = -1 EBADF (Bad file descriptor) [pid 3882] close(14) = -1 EBADF (Bad file descriptor) [pid 3882] close(15) = -1 EBADF (Bad file descriptor) [pid 3882] close(16) = -1 EBADF (Bad file descriptor) [pid 3882] close(17) = -1 EBADF (Bad file descriptor) [pid 3882] close(18) = -1 EBADF (Bad file descriptor) [pid 3882] close(19) = -1 EBADF (Bad file descriptor) [pid 3882] close(20) = -1 EBADF (Bad file descriptor) [pid 3882] close(21) = -1 EBADF (Bad file descriptor) [pid 3882] close(22) = -1 EBADF (Bad file descriptor) [pid 3882] close(23) = -1 EBADF (Bad file descriptor) [pid 3882] close(24) = -1 EBADF (Bad file descriptor) [pid 3882] close(25) = -1 EBADF (Bad file descriptor) [pid 3882] close(26) = -1 EBADF (Bad file descriptor) [pid 3882] close(27 [pid 3613] <... unlink resumed>) = 0 [pid 3882] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3882] close(28) = -1 EBADF (Bad file descriptor) [pid 3882] close(29) = -1 EBADF (Bad file descriptor) [pid 3882] exit_group(0) = ? [pid 3882] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 121.387879][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888020a43c00: rx timeout, send abort [ 121.406748][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807aea7000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 121.421216][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807aea7800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] getdents64(3, [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./23/binderfs") = 0 [pid 3620] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./23/cgroup") = 0 [pid 3620] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./23/cgroup.net") = 0 [pid 3620] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./23/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./23") = 0 [pid 3620] mkdir("./24", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3884 attached [pid 3884] chdir("./24") = 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 26 [pid 3884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3884] setpgid(0, 0) = 0 [pid 3884] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3884] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3884] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3884] write(3, "1000", 4) = 4 [pid 3884] close(3) = 0 [pid 3884] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3884] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] lstat("./21/cgroup.net", [pid 3884] <... socket resumed>) = 3 [pid 3884] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3884] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3613] unlink("./21/cgroup.net" [pid 3884] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 121.504082][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.511712][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.518285][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.525651][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.532244][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.539553][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.546155][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.553495][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.560067][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.567440][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.574096][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.581454][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.588025][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.595451][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.602062][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.603821][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888075ca6400: abort rx timeout. Force session deactivation [ 121.609375][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.626163][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.633538][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.640116][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.647476][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3884] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./21/cgroup.cpu") = 0 [ 121.654092][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.661456][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.668065][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.675426][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.682026][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.689335][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.696218][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./21") = 0 [pid 3613] mkdir("./22", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3885 attached [pid 3885] chdir("./22" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 24 [pid 3885] <... chdir resumed>) = 0 [pid 3885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3885] setpgid(0, 0) = 0 [pid 3885] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3885] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3885] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3885] write(3, "1000", 4) = 4 [pid 3885] close(3) = 0 [pid 3885] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3885] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3885] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3885] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3885] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] kill(-30, SIGKILL) = 0 [ 121.703577][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.710163][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.717526][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.724125][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.731494][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.738064][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.745436][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3619] kill(30, SIGKILL) = 0 [ 121.752047][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.759443][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.766078][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.773427][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.780103][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.787463][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.794059][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.801415][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.807980][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.815337][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.821935][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.829253][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.835870][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.843206][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.849775][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.857131][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.863740][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.871098][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.877674][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.885032][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.891638][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.898947][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.904771][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888020a43c00: abort rx timeout. Force session deactivation [ 121.905535][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.922975][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.929554][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.936928][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.943541][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.950865][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.957481][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.964823][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.971917][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d7f3000: rx timeout, send abort [ 121.981633][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 121.988995][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 121.995687][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.003034][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.009915][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.017260][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.023887][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.031226][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.037822][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.045160][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.051775][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.059091][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.065721][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.073162][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.079809][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.087161][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.093777][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.101125][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.107716][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.115062][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.121681][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.128995][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.135611][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.142947][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.149546][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.157057][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.163682][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.170995][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.177704][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.185047][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.191665][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.198978][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.205675][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.213020][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.220053][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.227412][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.234055][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.241399][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.248000][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.255369][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.262022][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.269340][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.275968][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.283312][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.289993][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.297428][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.304077][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.311420][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.318016][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.325356][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.332069][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.339476][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.346101][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [pid 3619] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 122.353438][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.360131][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.367652][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.374285][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.381628][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.388426][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.395904][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3878] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3878] close(3 [pid 3884] <... sendmsg resumed>) = -1 ENOTRECOVERABLE (State not recoverable) [pid 3875] <... close resumed>) = ? [pid 3619] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [ 122.402633][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.409951][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.416577][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.423925][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.445047][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [pid 3619] getdents64(3, 0x555556f5e620 /* 2 entries */, 32768) = 48 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3884] close(3 [pid 3875] +++ killed by SIGKILL +++ [ 122.452424][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.459009][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.466372][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.472972][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.480286][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.486902][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.494241][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.500822][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=30, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3619] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [ 122.508181][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.514783][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.522211][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.528784][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.536187][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.542884][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.550198][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3619] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 122.556839][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.564185][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.570765][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.578168][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.584773][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.592137][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.598708][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.606061][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.612677][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.620001][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.626618][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.633958][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.640637][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.648346][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.655125][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.662488][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.669077][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.676431][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.683028][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.690346][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.697048][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.704393][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.711121][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.718432][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.725051][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.732394][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.738973][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.746342][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.752936][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.760249][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.766868][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.774207][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.780777][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.788127][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.794917][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.802266][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.809705][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.817322][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.823920][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.831274][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.837929][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.845283][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.851872][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.859180][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.865789][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.873124][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.879781][ C1] vxcan1: j1939_xtp_rx_dat_one: 0xffff888075c2c000: last 00 [ 122.887143][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 122.894342][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d7f3000: abort rx timeout. Force session deactivation [ 122.904629][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d7f1000: rx timeout, send abort [ 122.913039][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807bffec00: rx timeout, send abort [ 122.923144][ C1] vxcan1: j1939_xtp_rx_dpo: no connection found [ 122.929496][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.936138][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.942753][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.949350][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [pid 3619] unlink("./28/binderfs" [pid 3878] <... close resumed>) = 0 [pid 3878] close(4 [ 122.956437][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.963110][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.969716][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.976355][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.983062][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.989669][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 122.996302][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 123.002921][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [pid 3619] <... unlink resumed>) = 0 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3878] close(5 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3884] <... close resumed>) = 0 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./28/cgroup", [pid 3884] close(4 [pid 3878] close(6 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./28/cgroup" [pid 3884] close(5 [pid 3878] close(7 [pid 3619] <... unlink resumed>) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3884] close(6 [pid 3878] close(8 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./28/cgroup.net", [pid 3884] close(7 [pid 3878] close(9 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./28/cgroup.net" [pid 3884] close(8 [pid 3878] close(10 [pid 3619] <... unlink resumed>) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3884] close(9 [pid 3878] close(11 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./28/cgroup.cpu", [pid 3884] close(10 [pid 3878] close(12 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./28/cgroup.cpu" [pid 3884] close(11 [pid 3878] close(13 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 3878] close(14 [pid 3619] getdents64(3, [pid 3884] close(12) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3884] close(13 [pid 3878] close(15 [ 123.018955][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075c2c000: 0x00000: (5) Maximal retransmit request limit reached [pid 3619] close(3 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... close resumed>) = 0 [pid 3884] close(14 [pid 3878] close(16 [pid 3619] rmdir("./28" [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] close(15 [pid 3878] close(17 [pid 3619] <... rmdir resumed>) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./29", 0777 [pid 3878] close(18 [pid 3619] <... mkdir resumed>) = 0 [pid 3884] close(16 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(19 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3884] close(17 [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3886 attached [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] close(20 [pid 3886] chdir("./29" [pid 3884] close(18 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 31 [pid 3886] <... chdir resumed>) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3884] close(19 [pid 3878] close(21 [pid 3886] <... prctl resumed>) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] setpgid(0, 0 [pid 3884] close(20 [pid 3878] close(22 [pid 3886] <... setpgid resumed>) = 0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] close(21 [pid 3878] close(23 [pid 3886] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] <... symlink resumed>) = 0 [pid 3884] close(22 [pid 3878] close(24 [pid 3886] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] <... symlink resumed>) = 0 [pid 3884] close(23 [pid 3878] close(25 [pid 3886] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] <... symlink resumed>) = 0 [pid 3884] close(24 [pid 3878] close(26 [pid 3886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] <... openat resumed>) = 3 [pid 3884] close(25 [pid 3878] close(27 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] write(3, "1000", 4) = 4 [pid 3884] close(26 [pid 3878] close(28 [pid 3886] close(3 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] <... close resumed>) = 0 [pid 3884] close(27 [pid 3878] close(29 [pid 3886] symlink("/dev/binderfs", "./binderfs" [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] <... symlink resumed>) = 0 [pid 3884] close(28 [pid 3878] exit_group(0 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3886] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3878] <... exit_group resumed>) = ? [pid 3884] close(29 [pid 3886] <... socket resumed>) = 3 [pid 3878] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3886] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3886] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3884] exit_group(0 [pid 3616] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./30/binderfs") = 0 [pid 3616] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3886] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3884] <... exit_group resumed>) = ? [pid 3616] lstat("./30/cgroup", [pid 3886] <... bind resumed>) = 0 [pid 3884] +++ exited with 0 +++ [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./30/cgroup") = 0 [pid 3616] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3886] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./30/cgroup.net" [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./30/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./30") = 0 [pid 3616] mkdir("./31", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3887 attached [pid 3887] chdir("./31") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 33 [pid 3887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3887] <... prctl resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3887] setpgid(0, 0 [pid 3620] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3887] <... setpgid resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3887] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3620] fstat(3, [pid 3887] <... symlink resumed>) = 0 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3887] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3887] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] getdents64(3, [pid 3887] <... openat resumed>) = 3 [pid 3887] write(3, "1000", 4) = 4 [pid 3887] close(3 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3887] <... close resumed>) = 0 [pid 3887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3887] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3887] <... socket resumed>) = 3 [pid 3887] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3887] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3887] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./24/binderfs") = 0 [pid 3620] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./24/cgroup") = 0 [pid 3620] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./24/cgroup.net") = 0 [pid 3620] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./24/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./24") = 0 [pid 3620] mkdir("./25", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3888 attached [pid 3888] chdir("./25" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 27 [ 123.427785][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807bffec00: abort rx timeout. Force session deactivation [pid 3888] <... chdir resumed>) = 0 [pid 3888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3888] setpgid(0, 0) = 0 [pid 3888] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3888] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3888] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3888] write(3, "1000", 4) = 4 [pid 3888] close(3) = 0 [pid 3888] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3888] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3888] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3888] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 123.772096][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d7f1000: abort rx timeout. Force session deactivation [pid 3888] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] kill(-33, SIGKILL) = 0 [pid 3618] kill(33, SIGKILL) = 0 [pid 3879] <... close resumed>) = ? [pid 3883] <... sendmsg resumed>) = 106496 [pid 3879] +++ killed by SIGKILL +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=33, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3618] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./31/binderfs" [pid 3883] close(3 [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./31/cgroup") = 0 [pid 3618] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./31/cgroup.net") = 0 [pid 3618] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./31/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./31") = 0 [pid 3618] mkdir("./32", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3889 attached [pid 3889] chdir("./32") = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 34 [pid 3889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3889] setpgid(0, 0) = 0 [pid 3889] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3889] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3889] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3889] write(3, "1000", 4) = 4 [pid 3889] close(3) = 0 [pid 3889] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3889] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3889] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3889] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3889] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3886] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 124.309975][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068a08800: rx timeout, send abort [ 124.318391][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806909fc00: rx timeout, send abort [pid 3886] close(3) = 0 [pid 3886] close(4) = -1 EBADF (Bad file descriptor) [pid 3886] close(5) = -1 EBADF (Bad file descriptor) [pid 3886] close(6) = -1 EBADF (Bad file descriptor) [pid 3886] close(7) = -1 EBADF (Bad file descriptor) [ 124.390891][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068a08800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 124.405505][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806909fc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3886] close(8) = -1 EBADF (Bad file descriptor) [pid 3886] close(9) = -1 EBADF (Bad file descriptor) [pid 3886] close(10) = -1 EBADF (Bad file descriptor) [pid 3886] close(11) = -1 EBADF (Bad file descriptor) [pid 3886] close(12) = -1 EBADF (Bad file descriptor) [pid 3886] close(13) = -1 EBADF (Bad file descriptor) [pid 3886] close(14) = -1 EBADF (Bad file descriptor) [pid 3886] close(15) = -1 EBADF (Bad file descriptor) [pid 3886] close(16) = -1 EBADF (Bad file descriptor) [pid 3886] close(17) = -1 EBADF (Bad file descriptor) [pid 3886] close(18) = -1 EBADF (Bad file descriptor) [pid 3886] close(19) = -1 EBADF (Bad file descriptor) [pid 3886] close(20) = -1 EBADF (Bad file descriptor) [pid 3886] close(21) = -1 EBADF (Bad file descriptor) [pid 3886] close(22) = -1 EBADF (Bad file descriptor) [pid 3886] close(23) = -1 EBADF (Bad file descriptor) [pid 3886] close(24) = -1 EBADF (Bad file descriptor) [pid 3886] close(25) = -1 EBADF (Bad file descriptor) [pid 3886] close(26) = -1 EBADF (Bad file descriptor) [pid 3886] close(27) = -1 EBADF (Bad file descriptor) [pid 3886] close(28) = -1 EBADF (Bad file descriptor) [pid 3886] close(29) = -1 EBADF (Bad file descriptor) [pid 3886] exit_group(0) = ? [pid 3886] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./29/binderfs") = 0 [pid 3619] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./29/cgroup") = 0 [pid 3619] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./29/cgroup.net") = 0 [pid 3619] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./29/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./29") = 0 [pid 3619] mkdir("./30", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 32 ./strace-static-x86_64: Process 3890 attached [ 124.600137][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880205b2800: rx timeout, send abort [pid 3890] chdir("./30" [pid 3889] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3889] close(3) = 0 [pid 3889] close(4) = -1 EBADF (Bad file descriptor) [pid 3889] close(5) = -1 EBADF (Bad file descriptor) [pid 3889] close(6) = -1 EBADF (Bad file descriptor) [pid 3889] close(7) = -1 EBADF (Bad file descriptor) [pid 3889] close(8) = -1 EBADF (Bad file descriptor) [pid 3889] close(9) = -1 EBADF (Bad file descriptor) [pid 3889] close(10) = -1 EBADF (Bad file descriptor) [pid 3889] close(11) = -1 EBADF (Bad file descriptor) [pid 3889] close(12) = -1 EBADF (Bad file descriptor) [pid 3889] close(13) = -1 EBADF (Bad file descriptor) [pid 3889] close(14) = -1 EBADF (Bad file descriptor) [pid 3889] close(15 [pid 3890] <... chdir resumed>) = 0 [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] close(16) = -1 EBADF (Bad file descriptor) [pid 3889] close(17) = -1 EBADF (Bad file descriptor) [pid 3889] close(18) = -1 EBADF (Bad file descriptor) [pid 3889] close(19) = -1 EBADF (Bad file descriptor) [pid 3889] close(20) = -1 EBADF (Bad file descriptor) [pid 3889] close(21) = -1 EBADF (Bad file descriptor) [pid 3889] close(22) = -1 EBADF (Bad file descriptor) [pid 3889] close(23) = -1 EBADF (Bad file descriptor) [pid 3890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3889] close(24) = -1 EBADF (Bad file descriptor) [pid 3889] close(25) = -1 EBADF (Bad file descriptor) [pid 3890] <... prctl resumed>) = 0 [pid 3889] close(26 [pid 3890] setpgid(0, 0 [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3889] close(27 [pid 3890] <... setpgid resumed>) = 0 [pid 3889] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 124.640439][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e40f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 124.654886][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888021ece000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3890] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3889] close(28) = -1 EBADF (Bad file descriptor) [pid 3889] close(29) = -1 EBADF (Bad file descriptor) [pid 3889] exit_group(0) = ? [pid 3890] <... symlink resumed>) = 0 [pid 3889] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3890] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3890] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3618] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3890] <... symlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3890] <... openat resumed>) = 3 [pid 3618] <... openat resumed>) = 3 [pid 3890] write(3, "1000", 4 [pid 3618] fstat(3, [pid 3890] <... write resumed>) = 4 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./32/binderfs" [pid 3890] close(3 [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./32/cgroup") = 0 [pid 3618] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3890] <... close resumed>) = 0 [pid 3618] unlink("./32/cgroup.net" [pid 3890] symlink("/dev/binderfs", "./binderfs" [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3890] <... symlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3890] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3618] lstat("./32/cgroup.cpu", [pid 3890] <... socket resumed>) = 3 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./32/cgroup.cpu" [pid 3890] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3618] <... unlink resumed>) = 0 [pid 3890] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3618] getdents64(3, [pid 3890] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3890] <... bind resumed>) = 0 [pid 3618] close(3 [pid 3890] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] <... close resumed>) = 0 [pid 3618] rmdir("./32") = 0 [pid 3618] mkdir("./33", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3891 attached , child_tidptr=0x555556f5d5d0) = 35 [pid 3891] chdir("./33") = 0 [pid 3891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3891] setpgid(0, 0) = 0 [pid 3891] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3891] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3891] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3891] write(3, "1000", 4) = 4 [pid 3891] close(3) = 0 [pid 3891] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3891] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3891] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3891] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3891] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3885] <... sendmsg resumed>) = 106496 [pid 3885] close(3 [pid 3888] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 125.078363][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076044000: rx timeout, send abort [ 125.086773][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076045400: rx timeout, send abort [ 125.113156][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880205b2800: abort rx timeout. Force session deactivation [pid 3888] close(3) = 0 [pid 3888] close(4) = -1 EBADF (Bad file descriptor) [pid 3888] close(5) = -1 EBADF (Bad file descriptor) [pid 3888] close(6) = -1 EBADF (Bad file descriptor) [pid 3888] close(7) = -1 EBADF (Bad file descriptor) [ 125.149572][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076044000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 125.164087][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076045400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3888] close(8) = -1 EBADF (Bad file descriptor) [pid 3888] close(9) = -1 EBADF (Bad file descriptor) [pid 3888] close(10) = -1 EBADF (Bad file descriptor) [pid 3888] close(11) = -1 EBADF (Bad file descriptor) [pid 3888] close(12) = -1 EBADF (Bad file descriptor) [pid 3888] close(13) = -1 EBADF (Bad file descriptor) [pid 3888] close(14) = -1 EBADF (Bad file descriptor) [pid 3888] close(15) = -1 EBADF (Bad file descriptor) [pid 3888] close(16) = -1 EBADF (Bad file descriptor) [pid 3888] close(17) = -1 EBADF (Bad file descriptor) [pid 3888] close(18) = -1 EBADF (Bad file descriptor) [pid 3888] close(19) = -1 EBADF (Bad file descriptor) [pid 3888] close(20) = -1 EBADF (Bad file descriptor) [pid 3888] close(21) = -1 EBADF (Bad file descriptor) [pid 3888] close(22) = -1 EBADF (Bad file descriptor) [pid 3888] close(23) = -1 EBADF (Bad file descriptor) [pid 3888] close(24) = -1 EBADF (Bad file descriptor) [pid 3888] close(25) = -1 EBADF (Bad file descriptor) [pid 3888] close(26) = -1 EBADF (Bad file descriptor) [pid 3888] close(27) = -1 EBADF (Bad file descriptor) [pid 3888] close(28) = -1 EBADF (Bad file descriptor) [pid 3888] close(29) = -1 EBADF (Bad file descriptor) [pid 3888] exit_group(0) = ? [pid 3888] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./25/binderfs") = 0 [pid 3620] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./25/cgroup") = 0 [pid 3620] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./25/cgroup.net") = 0 [pid 3887] <... sendmsg resumed>) = 106496 [pid 3620] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3887] close(3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./25/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./25") = 0 [pid 3620] mkdir("./26", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3892 attached [pid 3892] chdir("./26" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 28 [pid 3892] <... chdir resumed>) = 0 [pid 3892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3892] setpgid(0, 0) = 0 [pid 3892] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3892] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3892] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3892] write(3, "1000", 4) = 4 [pid 3892] close(3) = 0 [pid 3617] kill(-22, SIGKILL [pid 3892] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3892] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3892] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3892] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3892] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3883] <... close resumed>) = ? [pid 3617] <... kill resumed>) = 0 [pid 3883] +++ killed by SIGKILL +++ [pid 3617] kill(22, SIGKILL) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=22, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3617] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./20/binderfs") = 0 [pid 3617] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./20/cgroup") = 0 [pid 3617] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./20/cgroup.net") = 0 [pid 3617] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./20/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./20") = 0 [pid 3617] mkdir("./21", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3893 attached [pid 3893] chdir("./21") = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 23 [pid 3893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3893] setpgid(0, 0) = 0 [pid 3893] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3893] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3893] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3893] write(3, "1000", 4) = 4 [pid 3893] close(3) = 0 [pid 3893] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3893] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3893] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3893] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3893] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3890] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 125.676948][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806908c000: rx timeout, send abort [ 125.685363][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c013c00: rx timeout, send abort [ 125.715990][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806908c000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 125.730677][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c013c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 125.745330][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b97e400: rx timeout, send abort [ 125.754793][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075c26800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3890] close(3) = 0 [pid 3893] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3893] close(3) = 0 [pid 3893] close(4) = -1 EBADF (Bad file descriptor) [pid 3893] close(5) = -1 EBADF (Bad file descriptor) [pid 3893] close(6) = -1 EBADF (Bad file descriptor) [pid 3893] close(7) = -1 EBADF (Bad file descriptor) [pid 3893] close(8) = -1 EBADF (Bad file descriptor) [pid 3893] close(9) = -1 EBADF (Bad file descriptor) [pid 3893] close(10) = -1 EBADF (Bad file descriptor) [pid 3893] close(11) = -1 EBADF (Bad file descriptor) [pid 3893] close(12) = -1 EBADF (Bad file descriptor) [pid 3893] close(13) = -1 EBADF (Bad file descriptor) [pid 3893] close(14) = -1 EBADF (Bad file descriptor) [pid 3893] close(15) = -1 EBADF (Bad file descriptor) [pid 3893] close(16) = -1 EBADF (Bad file descriptor) [pid 3893] close(17) = -1 EBADF (Bad file descriptor) [pid 3893] close(18) = -1 EBADF (Bad file descriptor) [pid 3893] close(19) = -1 EBADF (Bad file descriptor) [pid 3893] close(20) = -1 EBADF (Bad file descriptor) [pid 3893] close(21) = -1 EBADF (Bad file descriptor) [pid 3893] close(22) = -1 EBADF (Bad file descriptor) [pid 3893] close(23) = -1 EBADF (Bad file descriptor) [pid 3893] close(24) = -1 EBADF (Bad file descriptor) [pid 3893] close(25) = -1 EBADF (Bad file descriptor) [pid 3893] close(26) = -1 EBADF (Bad file descriptor) [pid 3893] close(27) = -1 EBADF (Bad file descriptor) [pid 3893] close(28) = -1 EBADF (Bad file descriptor) [pid 3893] close(29) = -1 EBADF (Bad file descriptor) [pid 3893] exit_group(0) = ? [pid 3893] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3617] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./21/binderfs") = 0 [pid 3617] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3890] close(4 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./21/cgroup") = 0 [pid 3617] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./21/cgroup.net") = 0 [pid 3617] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./21/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./21") = 0 [pid 3617] mkdir("./22", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 24 ./strace-static-x86_64: Process 3894 attached [pid 3894] chdir("./22") = 0 [pid 3894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3894] setpgid(0, 0) = 0 [pid 3894] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3894] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3894] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3890] close(5) = -1 EBADF (Bad file descriptor) [pid 3890] close(6) = -1 EBADF (Bad file descriptor) [pid 3890] close(7) = -1 EBADF (Bad file descriptor) [pid 3890] close(8) = -1 EBADF (Bad file descriptor) [ 125.769224][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806de23c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 125.797636][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806cac3c00: rx timeout, send abort [ 125.806036][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d263000: rx timeout, send abort [pid 3890] close(9 [pid 3894] <... symlink resumed>) = 0 [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3890] close(10) = -1 EBADF (Bad file descriptor) [pid 3890] close(11 [pid 3894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... openat resumed>) = 3 [pid 3890] close(12 [pid 3894] write(3, "1000", 4 [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... write resumed>) = 4 [pid 3890] close(13 [pid 3894] close(3 [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = 0 [pid 3890] close(14 [pid 3894] symlink("/dev/binderfs", "./binderfs" [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... symlink resumed>) = 0 [pid 3890] close(15 [pid 3894] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... socket resumed>) = 3 [pid 3890] close(16 [pid 3894] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3890] close(17 [pid 3894] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... bind resumed>) = 0 [pid 3890] close(18 [pid 3894] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3890] close(19) = -1 EBADF (Bad file descriptor) [pid 3890] close(20) = -1 EBADF (Bad file descriptor) [pid 3890] close(21) = -1 EBADF (Bad file descriptor) [pid 3890] close(22) = -1 EBADF (Bad file descriptor) [pid 3890] close(23) = -1 EBADF (Bad file descriptor) [pid 3890] close(24) = -1 EBADF (Bad file descriptor) [pid 3890] close(25) = -1 EBADF (Bad file descriptor) [pid 3890] close(26) = -1 EBADF (Bad file descriptor) [pid 3890] close(27) = -1 EBADF (Bad file descriptor) [pid 3890] close(28) = -1 EBADF (Bad file descriptor) [pid 3890] close(29) = -1 EBADF (Bad file descriptor) [pid 3890] exit_group(0) = ? [pid 3890] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./30/binderfs") = 0 [pid 3619] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./30/cgroup") = 0 [pid 3619] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./30/cgroup.net") = 0 [pid 3619] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./30/cgroup.cpu") = 0 [pid 3885] <... close resumed>) = 0 [pid 3619] getdents64(3, [pid 3885] close(4 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 3885] close(5 [pid 3619] <... close resumed>) = 0 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./30" [pid 3885] close(6 [pid 3619] <... rmdir resumed>) = 0 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./31", 0777 [pid 3885] close(7 [pid 3619] <... mkdir resumed>) = 0 [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 125.845368][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806cac3c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 125.860523][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d263000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 125.884958][ C1] vxcan1: j1939_xtp_rx_dpo: no connection found [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3895 attached [pid 3885] close(8 [ 125.891469][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.898065][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.904710][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.911379][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.918002][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.924617][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.931229][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.937814][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3895] chdir("./31" [pid 3885] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3885] close(9) = -1 EBADF (Bad file descriptor) [pid 3885] close(10) = -1 EBADF (Bad file descriptor) [pid 3885] close(11) = -1 EBADF (Bad file descriptor) [pid 3885] close(12) = -1 EBADF (Bad file descriptor) [pid 3885] close(13) = -1 EBADF (Bad file descriptor) [ 125.944425][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.951006][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.957616][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.964240][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.970839][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.977456][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.984058][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3885] close(14) = -1 EBADF (Bad file descriptor) [pid 3885] close(15) = -1 EBADF (Bad file descriptor) [pid 3885] close(16) = -1 EBADF (Bad file descriptor) [pid 3885] close(17) = -1 EBADF (Bad file descriptor) [pid 3885] close(18) = -1 EBADF (Bad file descriptor) [pid 3885] close(19) = -1 EBADF (Bad file descriptor) [pid 3885] close(20) = -1 EBADF (Bad file descriptor) [pid 3885] close(21) = -1 EBADF (Bad file descriptor) [pid 3885] close(22) = -1 EBADF (Bad file descriptor) [pid 3885] close(23) = -1 EBADF (Bad file descriptor) [pid 3885] close(24) = -1 EBADF (Bad file descriptor) [pid 3885] close(25) = -1 EBADF (Bad file descriptor) [pid 3885] close(26) = -1 EBADF (Bad file descriptor) [pid 3885] close(27) = -1 EBADF (Bad file descriptor) [pid 3885] close(28) = -1 EBADF (Bad file descriptor) [pid 3885] close(29) = -1 EBADF (Bad file descriptor) [pid 3885] exit_group(0) = ? [pid 3885] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 125.990646][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 125.997260][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.003870][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.010452][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.017069][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.023692][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.030279][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.036900][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3613] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./22/binderfs") = 0 [pid 3613] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./22/cgroup") = 0 [pid 3613] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./22/cgroup.net") = 0 [pid 3613] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./22/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [ 126.043539][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.050139][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.056750][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.063368][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.069957][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.076570][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.083233][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3613] rmdir("./22") = 0 [pid 3613] mkdir("./23", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 25 [ 126.090311][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801c754c00: rx timeout, send abort [ 126.102197][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.108814][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.115437][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.122064][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.128666][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.135302][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3895] <... chdir resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 33 [pid 3895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 126.142094][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.148809][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.155441][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.162082][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.168697][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.175326][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.181960][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.188587][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3895] setpgid(0, 0) = 0 [pid 3895] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3895] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3895] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3895] write(3, "1000", 4) = 4 [pid 3895] close(3) = 0 [pid 3895] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3895] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3895] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3895] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 126.195249][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.201885][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.208504][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.215306][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.221931][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.228550][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.235184][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.241811][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.248505][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.255138][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.261772][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.268375][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.270736][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b97e400: abort rx timeout. Force session deactivation [ 126.274975][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3895] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 3896 attached [ 126.291709][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.298315][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.304942][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.311572][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.318189][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.330140][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.336774][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3896] chdir("./23") = 0 [pid 3896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3896] setpgid(0, 0) = 0 [pid 3896] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [ 126.343404][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.350063][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.356780][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.363395][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.369971][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.376588][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.383306][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.389910][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3896] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3896] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3896] write(3, "1000", 4) = 4 [pid 3896] close(3) = 0 [ 126.396543][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.403161][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.409745][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.416398][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.423022][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.429605][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.436240][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3896] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3896] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3896] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3896] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3896] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3891] <... sendmsg resumed>) = 106496 [ 126.442855][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.449436][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.456064][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.462683][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.469272][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.475936][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.482542][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.489130][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.495759][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.502368][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.508955][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.515602][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.522301][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.528994][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.535621][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.543428][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.550028][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.556661][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.563278][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.569870][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.576537][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.583160][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.589747][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.596379][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.602989][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.609575][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.616204][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.622818][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.629414][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.636055][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.642682][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.649272][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.655901][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.662511][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.669102][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.675764][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.682384][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.688979][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.695606][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.702221][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.708804][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.715430][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.722054][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.728654][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.735287][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.741921][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.748519][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.770235][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.776889][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.783525][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.790115][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.796736][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.803356][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.809945][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.816576][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.823299][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.829897][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.836786][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.843653][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.850238][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.856863][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.863470][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.870054][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.876693][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.883314][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.889897][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.896526][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.903137][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.909722][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.916346][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.922957][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.929539][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.936175][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.942785][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.949370][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.956000][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.962619][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.969205][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.975830][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 126.982921][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801c754c00: abort rx timeout. Force session deactivation [ 126.993718][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.000403][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.007128][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.013760][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.020360][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.026992][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.033618][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.040200][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.046824][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.053445][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.060061][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.066722][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.073355][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.079966][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.086611][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.093242][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.099830][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.106470][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.113085][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.119699][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.126339][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.132963][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.139553][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.146183][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.152797][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.159388][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.166016][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.169870][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880662af400: rx timeout, send abort [ 127.172612][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.180859][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806da3e400: rx timeout, send abort [pid 3891] close(3 [pid 3895] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3895] close(3 [pid 3887] <... close resumed>) = 0 [ 127.187346][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.202240][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.208959][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.215595][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.234842][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.241472][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.248062][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.254692][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.261297][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.267879][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.268652][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880662af400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 127.274475][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3895] <... close resumed>) = 0 [pid 3887] close(4 [pid 3895] close(4 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(5 [pid 3895] close(5 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(6 [pid 3895] close(6 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(7 [pid 3895] close(7 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(8 [ 127.288901][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806da3e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 127.295333][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.316233][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.322857][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.329439][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.336062][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.342687][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3895] close(8 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(9 [pid 3895] close(9 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(10 [pid 3895] close(10 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(11 [pid 3895] close(11 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(12 [pid 3895] close(12 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(13 [pid 3895] close(13 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(14 [pid 3895] close(14 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(15 [pid 3895] close(15 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(16 [pid 3895] close(16 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(17 [pid 3895] close(17 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 127.349276][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.355909][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.362529][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.366519][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806edba000: rx timeout, send abort [ 127.369088][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.377398][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801bfbf000: rx timeout, send abort [ 127.383849][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3887] close(18 [pid 3896] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3895] close(18 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(3 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(19 [pid 3895] close(19 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(20 [pid 3895] close(20 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(21 [pid 3895] close(21 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(22 [pid 3895] close(22 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(23 [pid 3895] close(23 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(24 [pid 3895] close(24 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(25 [pid 3895] close(25 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(26 [pid 3895] close(26 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 127.398752][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.405462][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.412098][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.418711][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.425344][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.431953][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.438535][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.445159][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(27 [pid 3895] close(27 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 127.451767][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.455553][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806edba000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 127.458324][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.472732][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801bfbf000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 127.479141][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3896] <... close resumed>) = 0 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(28 [pid 3896] close(4 [pid 3895] close(28 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(29 [pid 3896] close(5 [ 127.500016][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.506650][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.513268][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.520353][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806fa6b000: rx timeout, send abort [ 127.528738][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807bd46400: rx timeout, send abort [ 127.537116][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807bd45800: rx timeout, send abort [ 127.546426][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.553066][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.559833][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.566477][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.573145][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.579734][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.586345][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.592965][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3895] close(29 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] exit_group(0 [pid 3896] close(6 [pid 3895] exit_group(0 [pid 3887] <... exit_group resumed>) = ? [ 127.599550][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.606175][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.612808][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.619398][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.626021][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.632642][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.639250][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.645884][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... exit_group resumed>) = ? [pid 3887] +++ exited with 0 +++ [ 127.652504][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.659115][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.665757][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.672373][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 127.692780][ C1] vxcan1: j1939_xtp_rx_rts_session_active: 0xffff888066162000: connection exists (00 00). last cmd: ff [ 127.705357][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807bd46400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 127.719870][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807bd45800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 127.734585][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066162000: 0x00000: (1) Already in one or more connection managed sessions and cannot support another. [pid 3896] close(7 [pid 3895] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 3896] close(8 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] <... restart_syscall resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3619] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3896] close(9 [pid 3894] <... sendmsg resumed>) = -1 EALREADY (Operation already in progress) [pid 3892] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3896] close(10 [pid 3619] <... openat resumed>) = 3 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 3616] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3896] close(11 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 3616] fstat(3, [pid 3896] close(12 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] getdents64(3, [pid 3896] close(13 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./31/binderfs", [pid 3616] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3896] close(14 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./31/binderfs" [pid 3616] lstat("./31/binderfs", [pid 3896] close(15 [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] unlink("./31/binderfs" [pid 3896] close(16 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(3 [pid 3892] <... close resumed>) = 0 [pid 3619] lstat("./31/cgroup", [pid 3616] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3896] close(17 [pid 3894] <... close resumed>) = 0 [pid 3892] close(4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(4 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./31/cgroup" [pid 3616] lstat("./31/cgroup", [pid 3896] close(18 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(5 [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(5 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] unlink("./31/cgroup" [pid 3896] close(19 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(6 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(6 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./31/cgroup.net", [pid 3616] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3896] close(20 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(7 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(7 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./31/cgroup.net" [pid 3616] lstat("./31/cgroup.net", [pid 3896] close(21 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(8 [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(8 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] unlink("./31/cgroup.net" [pid 3896] close(22 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(9 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(9 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./31/cgroup.cpu", [pid 3616] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3896] close(23 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(10 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(10 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./31/cgroup.cpu" [pid 3616] lstat("./31/cgroup.cpu", [pid 3896] close(24 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(11 [pid 3894] close(11 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(12 [pid 3894] close(12 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(13 [pid 3894] close(13 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(14 [pid 3894] close(14 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(15 [pid 3619] <... unlink resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(15 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(16 [pid 3894] close(16 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(25 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(17 [pid 3619] getdents64(3, [pid 3616] unlink("./31/cgroup.cpu" [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(17 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3896] close(26 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(18 [pid 3619] close(3 [pid 3616] <... unlink resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] close(18 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(19 [pid 3894] close(19 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(20 [pid 3894] close(20 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(21 [pid 3894] close(21 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(22 [pid 3894] close(22 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(27 [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(23 [pid 3619] <... close resumed>) = 0 [pid 3616] getdents64(3, [pid 3894] close(23 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(24 [ 127.749529][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074e89400: 0x00000: (1) Already in one or more connection managed sessions and cannot support another. [pid 3896] close(28 [pid 3894] close(24 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./31" [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(25 [pid 3894] close(25 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(26 [pid 3619] <... rmdir resumed>) = 0 [pid 3896] close(29 [pid 3894] close(26 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./32", 0777 [pid 3616] close(3 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(27 [pid 3894] close(27 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(28 [pid 3619] <... mkdir resumed>) = 0 [pid 3616] <... close resumed>) = 0 [pid 3896] exit_group(0 [pid 3894] close(28 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] rmdir("./31" [pid 3896] <... exit_group resumed>) = ? [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] close(29 [pid 3894] close(29 [pid 3892] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3892] exit_group(0 [pid 3894] exit_group(0 [pid 3892] <... exit_group resumed>) = ? [pid 3894] <... exit_group resumed>) = ? [pid 3892] +++ exited with 0 +++ [pid 3894] +++ exited with 0 +++ [pid 3896] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] <... rmdir resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] mkdir("./32", 0777 [pid 3613] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... mkdir resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 3897 attached [pid 3613] <... openat resumed>) = 3 [pid 3620] <... openat resumed>) = 3 [pid 3897] chdir("./32" [pid 3620] fstat(3, [pid 3613] fstat(3, [pid 3897] <... chdir resumed>) = 0 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] getdents64(3, [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 34 [pid 3613] getdents64(3, [pid 3897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... openat resumed>) = 3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3897] <... prctl resumed>) = 0 [pid 3620] lstat("./26/binderfs", [pid 3617] fstat(3, [pid 3613] lstat("./23/binderfs", [pid 3897] setpgid(0, 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3897] <... setpgid resumed>) = 0 [pid 3620] unlink("./26/binderfs" [pid 3617] getdents64(3, [pid 3613] unlink("./23/binderfs" [pid 3897] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3897] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3620] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3897] <... symlink resumed>) = 0 [pid 3897] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3897] write(3, "1000", 4) = 4 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3897] close(3./strace-static-x86_64: Process 3898 attached ) = 0 [pid 3620] lstat("./26/cgroup", [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./23/cgroup", [pid 3898] chdir("./32" [pid 3897] symlink("/dev/binderfs", "./binderfs" [pid 3898] <... chdir resumed>) = 0 [pid 3897] <... symlink resumed>) = 0 [pid 3898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3897] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3898] <... prctl resumed>) = 0 [pid 3897] <... socket resumed>) = 3 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 34 [pid 3617] lstat("./22/binderfs", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3898] setpgid(0, 0 [pid 3897] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3898] <... setpgid resumed>) = 0 [pid 3897] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3620] unlink("./26/cgroup" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./23/cgroup" [pid 3898] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3897] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3898] <... symlink resumed>) = 0 [pid 3897] <... bind resumed>) = 0 [pid 3898] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3897] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3898] <... symlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3617] unlink("./22/binderfs" [pid 3613] <... unlink resumed>) = 0 [pid 3898] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3898] write(3, "1000", 4) = 4 [pid 3898] close(3) = 0 [pid 3898] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3898] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3898] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3620] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3898] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3613] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3898] <... bind resumed>) = 0 [pid 3898] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] lstat("./26/cgroup.net", [pid 3617] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./23/cgroup.net", [pid 3620] unlink("./26/cgroup.net" [pid 3617] lstat("./22/cgroup", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] unlink("./22/cgroup" [pid 3613] unlink("./23/cgroup.net") = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3613] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./26/cgroup.cpu", [pid 3613] lstat("./23/cgroup.cpu", [pid 3617] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./26/cgroup.cpu" [pid 3617] lstat("./22/cgroup.net", [pid 3613] unlink("./23/cgroup.cpu" [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3617] unlink("./22/cgroup.net" [pid 3613] getdents64(3, [pid 3620] getdents64(3, [pid 3617] <... unlink resumed>) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] close(3 [pid 3620] close(3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... close resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3613] rmdir("./23" [pid 3620] rmdir("./26" [pid 3617] lstat("./22/cgroup.cpu", [pid 3613] <... rmdir resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... rmdir resumed>) = 0 [pid 3620] mkdir("./27", 0777 [pid 3617] unlink("./22/cgroup.cpu" [pid 3613] mkdir("./24", 0777 [pid 3617] <... unlink resumed>) = 0 [pid 3617] getdents64(3, [pid 3620] <... mkdir resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] close(3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3900 attached ./strace-static-x86_64: Process 3899 attached [pid 3617] <... close resumed>) = 0 [pid 3899] chdir("./27") = 0 [pid 3899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3899] setpgid(0, 0) = 0 [pid 3899] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3899] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3899] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3899] write(3, "1000", 4) = 4 [pid 3617] rmdir("./22" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 29 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 26 [pid 3900] chdir("./24" [pid 3899] close(3) = 0 [pid 3899] symlink("/dev/binderfs", "./binderfs" [pid 3617] <... rmdir resumed>) = 0 [pid 3617] mkdir("./23", 0777 [pid 3900] <... chdir resumed>) = 0 [pid 3899] <... symlink resumed>) = 0 [pid 3899] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] <... mkdir resumed>) = 0 [pid 3900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3900] setpgid(0, 0 [pid 3899] <... socket resumed>) = 3 [pid 3899] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3899] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 ./strace-static-x86_64: Process 3901 attached [pid 3899] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3900] <... setpgid resumed>) = 0 [pid 3901] chdir("./23") = 0 [pid 3901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3901] setpgid(0, 0 [pid 3900] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 25 [pid 3901] <... setpgid resumed>) = 0 [pid 3901] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3900] <... symlink resumed>) = 0 [pid 3901] <... symlink resumed>) = 0 [pid 3901] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3901] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3900] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3901] write(3, "1000", 4) = 4 [pid 3901] close(3) = 0 [pid 3901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3901] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3900] <... symlink resumed>) = 0 [pid 3901] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3901] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3901] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3900] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3900] write(3, "1000", 4) = 4 [pid 3900] close(3) = 0 [pid 3900] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3900] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3900] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3900] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 128.052459][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806fa6b000: abort rx timeout. Force session deactivation [pid 3900] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3891] <... close resumed>) = 0 [pid 3891] close(4) = -1 EBADF (Bad file descriptor) [pid 3891] close(5) = -1 EBADF (Bad file descriptor) [pid 3891] close(6) = -1 EBADF (Bad file descriptor) [pid 3891] close(7) = -1 EBADF (Bad file descriptor) [pid 3891] close(8) = -1 EBADF (Bad file descriptor) [pid 3891] close(9) = -1 EBADF (Bad file descriptor) [pid 3891] close(10) = -1 EBADF (Bad file descriptor) [pid 3891] close(11) = -1 EBADF (Bad file descriptor) [pid 3891] close(12) = -1 EBADF (Bad file descriptor) [pid 3891] close(13) = -1 EBADF (Bad file descriptor) [pid 3891] close(14) = -1 EBADF (Bad file descriptor) [pid 3891] close(15) = -1 EBADF (Bad file descriptor) [pid 3891] close(16) = -1 EBADF (Bad file descriptor) [pid 3891] close(17) = -1 EBADF (Bad file descriptor) [pid 3891] close(18) = -1 EBADF (Bad file descriptor) [pid 3891] close(19) = -1 EBADF (Bad file descriptor) [pid 3891] close(20) = -1 EBADF (Bad file descriptor) [pid 3891] close(21) = -1 EBADF (Bad file descriptor) [pid 3891] close(22) = -1 EBADF (Bad file descriptor) [pid 3891] close(23) = -1 EBADF (Bad file descriptor) [pid 3891] close(24) = -1 EBADF (Bad file descriptor) [pid 3891] close(25) = -1 EBADF (Bad file descriptor) [pid 3891] close(26) = -1 EBADF (Bad file descriptor) [pid 3891] close(27) = -1 EBADF (Bad file descriptor) [pid 3891] close(28) = -1 EBADF (Bad file descriptor) [pid 3891] close(29) = -1 EBADF (Bad file descriptor) [pid 3891] exit_group(0) = ? [pid 3891] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./33/binderfs") = 0 [pid 3618] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./33/cgroup") = 0 [pid 3618] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./33/cgroup.net") = 0 [pid 3618] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./33/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./33") = 0 [pid 3618] mkdir("./34", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3902 attached , child_tidptr=0x555556f5d5d0) = 36 [pid 3902] chdir("./34") = 0 [pid 3902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3902] setpgid(0, 0) = 0 [pid 3902] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3902] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3902] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3902] write(3, "1000", 4) = 4 [pid 3902] close(3) = 0 [pid 3902] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3902] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3902] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3902] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3902] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3900] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 128.938439][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888026bdec00: rx timeout, send abort [ 128.946869][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88802482d000: rx timeout, send abort [ 129.002280][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888026bdec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 129.016838][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88802482d000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3900] close(3) = 0 [pid 3900] close(4) = -1 EBADF (Bad file descriptor) [pid 3900] close(5) = -1 EBADF (Bad file descriptor) [pid 3900] close(6) = -1 EBADF (Bad file descriptor) [pid 3900] close(7) = -1 EBADF (Bad file descriptor) [pid 3900] close(8) = -1 EBADF (Bad file descriptor) [pid 3900] close(9) = -1 EBADF (Bad file descriptor) [pid 3900] close(10) = -1 EBADF (Bad file descriptor) [pid 3900] close(11) = -1 EBADF (Bad file descriptor) [pid 3900] close(12) = -1 EBADF (Bad file descriptor) [pid 3900] close(13) = -1 EBADF (Bad file descriptor) [pid 3900] close(14) = -1 EBADF (Bad file descriptor) [pid 3899] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3900] close(15) = -1 EBADF (Bad file descriptor) [pid 3899] close(3 [pid 3900] close(16) = -1 EBADF (Bad file descriptor) [pid 3900] close(17) = -1 EBADF (Bad file descriptor) [pid 3900] close(18) = -1 EBADF (Bad file descriptor) [pid 3900] close(19) = -1 EBADF (Bad file descriptor) [pid 3900] close(20) = -1 EBADF (Bad file descriptor) [pid 3900] close(21) = -1 EBADF (Bad file descriptor) [pid 3900] close(22) = -1 EBADF (Bad file descriptor) [pid 3900] close(23 [pid 3899] <... close resumed>) = 0 [pid 3899] close(4 [pid 3900] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 129.046910][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069d31c00: rx timeout, send abort [ 129.055322][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b2e7c00: rx timeout, send abort [ 129.068726][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069d31c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 129.083272][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b2e7c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3900] close(24 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3900] close(25) = -1 EBADF (Bad file descriptor) [pid 3900] close(26) = -1 EBADF (Bad file descriptor) [pid 3900] close(27) = -1 EBADF (Bad file descriptor) [pid 3900] close(28) = -1 EBADF (Bad file descriptor) [pid 3900] close(29) = -1 EBADF (Bad file descriptor) [pid 3900] exit_group(0) = ? [pid 3900] +++ exited with 0 +++ [pid 3899] close(5 [pid 3901] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3901] close(3 [pid 3899] close(6) = -1 EBADF (Bad file descriptor) [pid 3899] close(7 [ 129.125023][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076c79000: rx timeout, send abort [ 129.133426][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880262a8400: rx timeout, send abort [pid 3613] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3899] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3899] close(9 [pid 3613] <... openat resumed>) = 3 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] fstat(3, [pid 3899] close(10 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 3899] close(11 [pid 3901] <... close resumed>) = 0 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3901] close(4) = -1 EBADF (Bad file descriptor) [pid 3899] close(12 [pid 3613] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3901] close(5 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3899] close(13 [pid 3613] lstat("./24/binderfs", [pid 3901] close(6) = -1 EBADF (Bad file descriptor) [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(7 [pid 3899] close(14 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] close(8) = -1 EBADF (Bad file descriptor) [pid 3901] close(9) = -1 EBADF (Bad file descriptor) [pid 3901] close(10) = -1 EBADF (Bad file descriptor) [pid 3901] close(11) = -1 EBADF (Bad file descriptor) [pid 3901] close(12) = -1 EBADF (Bad file descriptor) [pid 3901] close(13) = -1 EBADF (Bad file descriptor) [pid 3901] close(14) = -1 EBADF (Bad file descriptor) [pid 3901] close(15) = -1 EBADF (Bad file descriptor) [pid 3901] close(16) = -1 EBADF (Bad file descriptor) [pid 3901] close(17) = -1 EBADF (Bad file descriptor) [pid 3901] close(18) = -1 EBADF (Bad file descriptor) [pid 3901] close(19) = -1 EBADF (Bad file descriptor) [pid 3901] close(20) = -1 EBADF (Bad file descriptor) [pid 3901] close(21) = -1 EBADF (Bad file descriptor) [pid 3901] close(22) = -1 EBADF (Bad file descriptor) [pid 3901] close(23) = -1 EBADF (Bad file descriptor) [pid 3901] close(24) = -1 EBADF (Bad file descriptor) [pid 3901] close(25) = -1 EBADF (Bad file descriptor) [pid 3901] close(26) = -1 EBADF (Bad file descriptor) [pid 3901] close(27) = -1 EBADF (Bad file descriptor) [pid 3901] close(28) = -1 EBADF (Bad file descriptor) [pid 3901] close(29) = -1 EBADF (Bad file descriptor) [pid 3901] exit_group(0) = ? [pid 3901] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./23/binderfs" [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3613] unlink("./24/binderfs" [pid 3617] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./23/cgroup") = 0 [pid 3617] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./23/cgroup.net") = 0 [pid 3617] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./23/cgroup.cpu" [pid 3899] close(15 [pid 3617] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] getdents64(3, [pid 3613] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3899] close(16 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] close(3 [pid 3613] lstat("./24/cgroup", [pid 3899] close(17 [pid 3617] <... close resumed>) = 0 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] rmdir("./23" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3899] close(18 [pid 3617] <... rmdir resumed>) = 0 [pid 3613] unlink("./24/cgroup" [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] mkdir("./24", 0777 [pid 3899] close(19 [pid 3617] <... mkdir resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3903 attached [pid 3899] close(20 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3903] chdir("./24" [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 26 [pid 3613] lstat("./24/cgroup.net", [pid 3903] <... chdir resumed>) = 0 [pid 3899] close(21 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./24/cgroup.net" [pid 3903] <... prctl resumed>) = 0 [pid 3899] close(22 [pid 3903] setpgid(0, 0 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 3903] <... setpgid resumed>) = 0 [ 129.164633][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076c79000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 129.179223][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880262a8400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3899] close(23 [pid 3613] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3903] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3903] <... symlink resumed>) = 0 [pid 3903] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3903] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3899] close(24 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3903] write(3, "1000", 4 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./24/cgroup.cpu", [pid 3903] <... write resumed>) = 4 [pid 3899] close(25 [pid 3903] close(3 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3903] <... close resumed>) = 0 [pid 3899] close(26 [pid 3613] unlink("./24/cgroup.cpu" [pid 3903] symlink("/dev/binderfs", "./binderfs" [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3903] <... symlink resumed>) = 0 [pid 3899] close(27 [pid 3613] <... unlink resumed>) = 0 [pid 3903] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3903] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3903] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3903] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 3899] close(28 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3899] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3899] close(29) = -1 EBADF (Bad file descriptor) [pid 3899] exit_group(0) = ? [pid 3899] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./27/binderfs") = 0 [pid 3620] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./27/cgroup") = 0 [pid 3620] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] close(3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... close resumed>) = 0 [pid 3620] lstat("./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./27/cgroup.net") = 0 [pid 3620] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./27/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./27") = 0 [pid 3620] mkdir("./28", 0777) = 0 [pid 3613] rmdir("./24" [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3904 attached [pid 3904] chdir("./28" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 30 [pid 3904] <... chdir resumed>) = 0 [pid 3904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3904] setpgid(0, 0) = 0 [pid 3904] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3904] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3613] <... rmdir resumed>) = 0 [pid 3904] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3613] mkdir("./25", 0777 [pid 3904] <... symlink resumed>) = 0 [pid 3904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3904] write(3, "1000", 4) = 4 [pid 3613] <... mkdir resumed>) = 0 [pid 3904] close(3) = 0 [pid 3904] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3904] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3904] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3904] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3904] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3905 attached , child_tidptr=0x555556f5d5d0) = 27 [pid 3905] chdir("./25") = 0 [pid 3905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3905] setpgid(0, 0) = 0 [pid 3905] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3905] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3905] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3905] write(3, "1000", 4) = 4 [pid 3905] close(3) = 0 [pid 3905] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3905] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3905] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3905] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3898] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3898] close(3 [ 129.512694][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b75f800: rx timeout, send abort [ 129.521119][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076982800: rx timeout, send abort [pid 3905] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3902] <... sendmsg resumed>) = 106496 [pid 3902] close(3 [pid 3898] <... close resumed>) = 0 [pid 3898] close(4) = -1 EBADF (Bad file descriptor) [pid 3898] close(5) = -1 EBADF (Bad file descriptor) [pid 3898] close(6) = -1 EBADF (Bad file descriptor) [pid 3898] close(7) = -1 EBADF (Bad file descriptor) [pid 3898] close(8) = -1 EBADF (Bad file descriptor) [ 129.633190][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b75f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 129.647793][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076982800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3898] close(9) = -1 EBADF (Bad file descriptor) [pid 3898] close(10) = -1 EBADF (Bad file descriptor) [pid 3898] close(11) = -1 EBADF (Bad file descriptor) [pid 3898] close(12 [pid 3897] <... sendmsg resumed>) = 106496 [pid 3897] close(3 [pid 3898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3898] close(13) = -1 EBADF (Bad file descriptor) [pid 3898] close(14) = -1 EBADF (Bad file descriptor) [pid 3898] close(15) = -1 EBADF (Bad file descriptor) [pid 3898] close(16) = -1 EBADF (Bad file descriptor) [pid 3898] close(17) = -1 EBADF (Bad file descriptor) [pid 3898] close(18) = -1 EBADF (Bad file descriptor) [pid 3898] close(19) = -1 EBADF (Bad file descriptor) [pid 3898] close(20) = -1 EBADF (Bad file descriptor) [pid 3898] close(21) = -1 EBADF (Bad file descriptor) [pid 3898] close(22) = -1 EBADF (Bad file descriptor) [pid 3898] close(23) = -1 EBADF (Bad file descriptor) [pid 3898] close(24) = -1 EBADF (Bad file descriptor) [pid 3898] close(25) = -1 EBADF (Bad file descriptor) [pid 3898] close(26) = -1 EBADF (Bad file descriptor) [pid 3898] close(27) = -1 EBADF (Bad file descriptor) [pid 3898] close(28) = -1 EBADF (Bad file descriptor) [pid 3898] close(29) = -1 EBADF (Bad file descriptor) [pid 3898] exit_group(0) = ? [pid 3898] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./32/binderfs") = 0 [pid 3619] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./32/cgroup") = 0 [pid 3619] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./32/cgroup.net") = 0 [pid 3619] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./32/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./32") = 0 [pid 3619] mkdir("./33", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3906 attached , child_tidptr=0x555556f5d5d0) = 35 [pid 3906] chdir("./33") = 0 [pid 3906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3906] setpgid(0, 0) = 0 [pid 3906] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3906] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3906] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3906] write(3, "1000", 4) = 4 [pid 3906] close(3) = 0 [pid 3906] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3906] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3906] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3906] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3906] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EHOSTUNREACH (No route to host) [ 131.221341][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806fcfa400: rx timeout, send abort [ 131.229714][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b690800: rx timeout, send abort [pid 3906] close(3) = 0 [pid 3906] close(4) = -1 EBADF (Bad file descriptor) [pid 3906] close(5) = -1 EBADF (Bad file descriptor) [pid 3906] close(6) = -1 EBADF (Bad file descriptor) [pid 3906] close(7) = -1 EBADF (Bad file descriptor) [ 131.292786][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fcfa400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 131.307343][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b690800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3906] close(8) = -1 EBADF (Bad file descriptor) [pid 3906] close(9) = -1 EBADF (Bad file descriptor) [pid 3906] close(10) = -1 EBADF (Bad file descriptor) [pid 3906] close(11) = -1 EBADF (Bad file descriptor) [pid 3906] close(12) = -1 EBADF (Bad file descriptor) [pid 3906] close(13) = -1 EBADF (Bad file descriptor) [pid 3906] close(14) = -1 EBADF (Bad file descriptor) [pid 3906] close(15) = -1 EBADF (Bad file descriptor) [pid 3906] close(16) = -1 EBADF (Bad file descriptor) [pid 3906] close(17) = -1 EBADF (Bad file descriptor) [pid 3906] close(18) = -1 EBADF (Bad file descriptor) [pid 3906] close(19) = -1 EBADF (Bad file descriptor) [pid 3906] close(20) = -1 EBADF (Bad file descriptor) [pid 3906] close(21) = -1 EBADF (Bad file descriptor) [pid 3906] close(22) = -1 EBADF (Bad file descriptor) [pid 3906] close(23) = -1 EBADF (Bad file descriptor) [pid 3906] close(24) = -1 EBADF (Bad file descriptor) [pid 3906] close(25) = -1 EBADF (Bad file descriptor) [pid 3906] close(26) = -1 EBADF (Bad file descriptor) [pid 3906] close(27) = -1 EBADF (Bad file descriptor) [pid 3906] close(28) = -1 EBADF (Bad file descriptor) [pid 3906] close(29) = -1 EBADF (Bad file descriptor) [pid 3906] exit_group(0) = ? [pid 3906] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3619] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./33/binderfs") = 0 [pid 3619] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./33/cgroup") = 0 [pid 3619] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./33/cgroup.net") = 0 [pid 3619] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./33/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./33") = 0 [pid 3619] mkdir("./34", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3907 attached , child_tidptr=0x555556f5d5d0) = 36 [pid 3907] chdir("./34") = 0 [pid 3907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3907] setpgid(0, 0) = 0 [pid 3907] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3907] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3907] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3907] write(3, "1000", 4) = 4 [pid 3907] close(3) = 0 [pid 3907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3907] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3907] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3907] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3907] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3905] <... sendmsg resumed>) = 106496 [pid 3905] close(3 [pid 3902] <... close resumed>) = 0 [pid 3902] close(4) = -1 EBADF (Bad file descriptor) [pid 3902] close(5) = -1 EBADF (Bad file descriptor) [pid 3902] close(6) = -1 EBADF (Bad file descriptor) [pid 3902] close(7) = -1 EBADF (Bad file descriptor) [pid 3902] close(8) = -1 EBADF (Bad file descriptor) [pid 3902] close(9) = -1 EBADF (Bad file descriptor) [pid 3902] close(10) = -1 EBADF (Bad file descriptor) [pid 3902] close(11) = -1 EBADF (Bad file descriptor) [pid 3902] close(12) = -1 EBADF (Bad file descriptor) [pid 3902] close(13) = -1 EBADF (Bad file descriptor) [pid 3902] close(14) = -1 EBADF (Bad file descriptor) [pid 3902] close(15) = -1 EBADF (Bad file descriptor) [pid 3902] close(16) = -1 EBADF (Bad file descriptor) [pid 3902] close(17) = -1 EBADF (Bad file descriptor) [pid 3902] close(18) = -1 EBADF (Bad file descriptor) [pid 3902] close(19) = -1 EBADF (Bad file descriptor) [pid 3902] close(20) = -1 EBADF (Bad file descriptor) [pid 3902] close(21) = -1 EBADF (Bad file descriptor) [pid 3902] close(22) = -1 EBADF (Bad file descriptor) [pid 3902] close(23) = -1 EBADF (Bad file descriptor) [pid 3902] close(24) = -1 EBADF (Bad file descriptor) [pid 3902] close(25) = -1 EBADF (Bad file descriptor) [pid 3902] close(26) = -1 EBADF (Bad file descriptor) [pid 3902] close(27) = -1 EBADF (Bad file descriptor) [pid 3902] close(28) = -1 EBADF (Bad file descriptor) [pid 3902] close(29) = -1 EBADF (Bad file descriptor) [pid 3902] exit_group(0) = ? [pid 3902] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, [pid 3907] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3907] close(3 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./34/binderfs") = 0 [ 132.453466][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806da11800: rx timeout, send abort [ 132.461864][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806ee43000: rx timeout, send abort [pid 3618] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./34/cgroup") = 0 [pid 3618] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./34/cgroup.net") = 0 [pid 3618] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./34/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./34") = 0 [pid 3907] <... close resumed>) = 0 [pid 3618] mkdir("./35", 0777 [pid 3907] close(4 [pid 3618] <... mkdir resumed>) = 0 [pid 3907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3907] close(5 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3908 attached [pid 3907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] chdir("./35" [pid 3907] close(6 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 37 [pid 3908] <... chdir resumed>) = 0 [pid 3907] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 132.575310][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806da11800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 132.589849][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ee43000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3907] close(7 [pid 3908] <... prctl resumed>) = 0 [pid 3907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3908] setpgid(0, 0 [pid 3907] close(8 [pid 3908] <... setpgid resumed>) = 0 [pid 3907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3907] close(9) = -1 EBADF (Bad file descriptor) [pid 3907] close(10) = -1 EBADF (Bad file descriptor) [pid 3907] close(11) = -1 EBADF (Bad file descriptor) [pid 3907] close(12) = -1 EBADF (Bad file descriptor) [pid 3907] close(13) = -1 EBADF (Bad file descriptor) [pid 3907] close(14) = -1 EBADF (Bad file descriptor) [pid 3907] close(15) = -1 EBADF (Bad file descriptor) [pid 3907] close(16) = -1 EBADF (Bad file descriptor) [pid 3907] close(17) = -1 EBADF (Bad file descriptor) [pid 3907] close(18) = -1 EBADF (Bad file descriptor) [pid 3907] close(19) = -1 EBADF (Bad file descriptor) [pid 3907] close(20) = -1 EBADF (Bad file descriptor) [pid 3907] close(21) = -1 EBADF (Bad file descriptor) [pid 3907] close(22) = -1 EBADF (Bad file descriptor) [pid 3907] close(23) = -1 EBADF (Bad file descriptor) [pid 3907] close(24) = -1 EBADF (Bad file descriptor) [pid 3907] close(25) = -1 EBADF (Bad file descriptor) [pid 3907] close(26) = -1 EBADF (Bad file descriptor) [pid 3907] close(27) = -1 EBADF (Bad file descriptor) [pid 3907] close(28) = -1 EBADF (Bad file descriptor) [pid 3907] close(29) = -1 EBADF (Bad file descriptor) [pid 3907] exit_group(0) = ? [pid 3907] +++ exited with 0 +++ [pid 3908] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3908] <... symlink resumed>) = 0 [pid 3908] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3908] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3619] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3908] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] <... openat resumed>) = 3 [pid 3908] write(3, "1000", 4 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3908] <... write resumed>) = 4 [pid 3908] close(3 [pid 3619] getdents64(3, [pid 3908] <... close resumed>) = 0 [pid 3908] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3908] <... symlink resumed>) = 0 [pid 3619] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3908] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3908] <... socket resumed>) = 3 [pid 3619] lstat("./34/binderfs", [pid 3908] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3908] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3908] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] unlink("./34/binderfs" [pid 3908] <... bind resumed>) = 0 [pid 3908] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./34/cgroup") = 0 [pid 3619] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./34/cgroup.net") = 0 [pid 3619] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./34/cgroup.cpu") = 0 [pid 3616] kill(-34, SIGKILL [pid 3619] getdents64(3, [pid 3897] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3897] +++ killed by SIGKILL +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=34, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3619] close(3) = 0 [pid 3616] kill(34, SIGKILL [pid 3619] rmdir("./34" [pid 3616] <... kill resumed>) = 0 [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./35", 0777) = 0 [pid 3616] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3909 attached [pid 3616] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3909] chdir("./35") = 0 [pid 3909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3909] setpgid(0, 0) = 0 [pid 3909] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 37 [pid 3616] <... openat resumed>) = 3 [pid 3909] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3909] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3616] fstat(3, [pid 3909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3909] write(3, "1000", 4) = 4 [pid 3909] close(3) = 0 [pid 3909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3909] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3909] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3909] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3909] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./32/binderfs") = 0 [pid 3616] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./32/cgroup") = 0 [pid 3616] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./32/cgroup.net") = 0 [pid 3616] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./32/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./32") = 0 [pid 3616] mkdir("./33", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3910 attached [pid 3910] chdir("./33" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 35 [pid 3910] <... chdir resumed>) = 0 [pid 3910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3910] setpgid(0, 0) = 0 [pid 3910] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3910] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3910] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3910] write(3, "1000", 4) = 4 [pid 3910] close(3) = 0 [pid 3910] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3910] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3910] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3910] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3910] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3905] <... close resumed>) = 0 [pid 3905] close(4) = -1 EBADF (Bad file descriptor) [pid 3905] close(5) = -1 EBADF (Bad file descriptor) [pid 3905] close(6) = -1 EBADF (Bad file descriptor) [pid 3905] close(7) = -1 EBADF (Bad file descriptor) [pid 3905] close(8) = -1 EBADF (Bad file descriptor) [pid 3905] close(9) = -1 EBADF (Bad file descriptor) [pid 3905] close(10) = -1 EBADF (Bad file descriptor) [pid 3905] close(11) = -1 EBADF (Bad file descriptor) [pid 3905] close(12) = -1 EBADF (Bad file descriptor) [pid 3905] close(13) = -1 EBADF (Bad file descriptor) [pid 3905] close(14) = -1 EBADF (Bad file descriptor) [pid 3905] close(15) = -1 EBADF (Bad file descriptor) [pid 3905] close(16) = -1 EBADF (Bad file descriptor) [pid 3905] close(17) = -1 EBADF (Bad file descriptor) [pid 3905] close(18) = -1 EBADF (Bad file descriptor) [pid 3905] close(19) = -1 EBADF (Bad file descriptor) [pid 3905] close(20) = -1 EBADF (Bad file descriptor) [pid 3905] close(21) = -1 EBADF (Bad file descriptor) [pid 3905] close(22) = -1 EBADF (Bad file descriptor) [pid 3905] close(23) = -1 EBADF (Bad file descriptor) [pid 3905] close(24) = -1 EBADF (Bad file descriptor) [pid 3905] close(25) = -1 EBADF (Bad file descriptor) [pid 3905] close(26) = -1 EBADF (Bad file descriptor) [pid 3905] close(27) = -1 EBADF (Bad file descriptor) [pid 3905] close(28) = -1 EBADF (Bad file descriptor) [pid 3905] close(29) = -1 EBADF (Bad file descriptor) [pid 3905] exit_group(0) = ? [pid 3905] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./25/binderfs") = 0 [pid 3613] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./25/cgroup") = 0 [pid 3613] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3903] <... sendmsg resumed>) = 106496 [pid 3613] unlink("./25/cgroup.net" [pid 3903] close(3 [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./25/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./25") = 0 [pid 3613] mkdir("./26", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3911 attached [pid 3911] chdir("./26" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 28 [pid 3911] <... chdir resumed>) = 0 [pid 3911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3911] setpgid(0, 0) = 0 [pid 3911] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3911] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3911] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3911] write(3, "1000", 4) = 4 [pid 3911] close(3) = 0 [pid 3911] symlink("/dev/binderfs", "./binderfs" [pid 3904] <... sendmsg resumed>) = 106496 [pid 3911] <... symlink resumed>) = 0 [pid 3911] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3911] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3911] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3911] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3904] close(3 [pid 3908] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 133.602065][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a513c00: rx timeout, send abort [ 133.610509][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e0e5c00: rx timeout, send abort [ 133.628675][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a513c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3908] close(3) = 0 [pid 3908] close(4) = -1 EBADF (Bad file descriptor) [pid 3908] close(5) = -1 EBADF (Bad file descriptor) [pid 3908] close(6) = -1 EBADF (Bad file descriptor) [pid 3908] close(7) = -1 EBADF (Bad file descriptor) [pid 3908] close(8) = -1 EBADF (Bad file descriptor) [pid 3908] close(9) = -1 EBADF (Bad file descriptor) [pid 3908] close(10) = -1 EBADF (Bad file descriptor) [pid 3908] close(11) = -1 EBADF (Bad file descriptor) [pid 3908] close(12) = -1 EBADF (Bad file descriptor) [pid 3908] close(13) = -1 EBADF (Bad file descriptor) [pid 3908] close(14) = -1 EBADF (Bad file descriptor) [pid 3908] close(15) = -1 EBADF (Bad file descriptor) [pid 3908] close(16) = -1 EBADF (Bad file descriptor) [pid 3908] close(17) = -1 EBADF (Bad file descriptor) [pid 3908] close(18) = -1 EBADF (Bad file descriptor) [pid 3908] close(19) = -1 EBADF (Bad file descriptor) [pid 3908] close(20) = -1 EBADF (Bad file descriptor) [pid 3908] close(21) = -1 EBADF (Bad file descriptor) [pid 3908] close(22) = -1 EBADF (Bad file descriptor) [pid 3908] close(23) = -1 EBADF (Bad file descriptor) [pid 3908] close(24) = -1 EBADF (Bad file descriptor) [pid 3908] close(25) = -1 EBADF (Bad file descriptor) [pid 3908] close(26) = -1 EBADF (Bad file descriptor) [pid 3908] close(27) = -1 EBADF (Bad file descriptor) [pid 3908] close(28) = -1 EBADF (Bad file descriptor) [pid 3908] close(29) = -1 EBADF (Bad file descriptor) [pid 3908] exit_group(0) = ? [pid 3908] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./35/binderfs") = 0 [pid 3618] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./35/cgroup") = 0 [ 133.643267][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e0e5c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./35/cgroup.net") = 0 [pid 3618] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./35/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./35") = 0 [pid 3618] mkdir("./36", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3912 attached [pid 3912] chdir("./36" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 38 [pid 3912] <... chdir resumed>) = 0 [pid 3912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3912] setpgid(0, 0) = 0 [pid 3912] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3912] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3912] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3912] write(3, "1000", 4) = 4 [pid 3912] close(3) = 0 [pid 3912] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3912] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3912] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3912] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3912] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3910] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 134.055531][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a42f000: rx timeout, send abort [ 134.072999][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c8cdc00: rx timeout, send abort [ 134.081388][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c888000: rx timeout, send abort [pid 3910] close(3) = 0 [pid 3910] close(4) = -1 EBADF (Bad file descriptor) [pid 3910] close(5) = -1 EBADF (Bad file descriptor) [ 134.154243][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c8cdc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 134.168786][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c888000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3910] close(6) = -1 EBADF (Bad file descriptor) [pid 3617] kill(-26, SIGKILL [pid 3903] <... close resumed>) = ? [pid 3617] <... kill resumed>) = 0 [pid 3903] +++ killed by SIGKILL +++ [pid 3617] kill(26, SIGKILL) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=26, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3617] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./24/binderfs") = 0 [pid 3910] close(7) = -1 EBADF (Bad file descriptor) [pid 3910] close(8) = -1 EBADF (Bad file descriptor) [pid 3910] close(9) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3910] close(10) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3910] close(11) = -1 EBADF (Bad file descriptor) [pid 3910] close(12) = -1 EBADF (Bad file descriptor) [pid 3910] close(13) = -1 EBADF (Bad file descriptor) [pid 3910] close(14) = -1 EBADF (Bad file descriptor) [pid 3910] close(15 [pid 3617] lstat("./24/cgroup", [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./24/cgroup" [pid 3910] close(16 [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./24/cgroup.net") = 0 [pid 3617] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./24/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./24") = 0 [pid 3617] mkdir("./25", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3913 attached [pid 3913] chdir("./25" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 27 [pid 3913] <... chdir resumed>) = 0 [pid 3913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3913] setpgid(0, 0) = 0 [pid 3913] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3913] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3910] close(17) = -1 EBADF (Bad file descriptor) [pid 3913] <... symlink resumed>) = 0 [pid 3913] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3910] close(18) = -1 EBADF (Bad file descriptor) [pid 3913] write(3, "1000", 4) = 4 [pid 3913] close(3) = 0 [pid 3913] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3913] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3913] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3913] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3913] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3910] close(19 [pid 3620] kill(-30, SIGKILL [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3904] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 3904] +++ killed by SIGKILL +++ [pid 3910] close(20 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=30, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] kill(30, SIGKILL [pid 3910] close(21 [pid 3620] <... kill resumed>) = 0 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(22) = -1 EBADF (Bad file descriptor) [pid 3910] close(23 [pid 3620] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(24 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3910] close(25 [pid 3620] <... openat resumed>) = 3 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] fstat(3, [pid 3910] close(26 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3910] close(27 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3910] close(28 [pid 3620] lstat("./28/binderfs", [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3910] close(29 [pid 3620] unlink("./28/binderfs" [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] exit_group(0 [pid 3620] <... unlink resumed>) = 0 [pid 3910] <... exit_group resumed>) = ? [pid 3620] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3910] +++ exited with 0 +++ [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./28/cgroup") = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 3620] lstat("./28/cgroup.net", [pid 3616] <... restart_syscall resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./28/cgroup.net") = 0 [pid 3616] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./28/cgroup.cpu", [pid 3616] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3620] unlink("./28/cgroup.cpu" [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] <... unlink resumed>) = 0 [pid 3616] lstat("./33/binderfs", [pid 3620] getdents64(3, [pid 3911] <... sendmsg resumed>) = 106496 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3911] close(3 [pid 3620] close(3 [pid 3616] unlink("./33/binderfs" [pid 3620] <... close resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3620] rmdir("./28" [pid 3616] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... rmdir resumed>) = 0 [pid 3620] mkdir("./29", 0777 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... mkdir resumed>) = 0 [pid 3616] lstat("./33/cgroup", [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./33/cgroup") = 0 [pid 3616] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./33/cgroup.net") = 0 [pid 3616] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./33/cgroup.cpu", ./strace-static-x86_64: Process 3914 attached {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 31 [pid 3914] chdir("./29" [pid 3616] unlink("./33/cgroup.cpu" [pid 3914] <... chdir resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3616] getdents64(3, [pid 3914] <... prctl resumed>) = 0 [pid 3914] setpgid(0, 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3914] <... setpgid resumed>) = 0 [pid 3616] close(3 [pid 3914] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3616] <... close resumed>) = 0 [pid 3914] <... symlink resumed>) = 0 [pid 3616] rmdir("./33" [pid 3914] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3616] <... rmdir resumed>) = 0 [pid 3914] <... symlink resumed>) = 0 [pid 3616] mkdir("./34", 0777 [pid 3914] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3616] <... mkdir resumed>) = 0 [pid 3914] <... symlink resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 3915 attached ) = 3 [pid 3915] chdir("./34") = 0 [pid 3915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3914] write(3, "1000", 4 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 36 [pid 3915] <... prctl resumed>) = 0 [pid 3915] setpgid(0, 0) = 0 [pid 3915] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3914] <... write resumed>) = 4 [pid 3914] close(3 [pid 3915] <... symlink resumed>) = 0 [pid 3915] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3914] <... close resumed>) = 0 [pid 3915] <... symlink resumed>) = 0 [pid 3915] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3914] symlink("/dev/binderfs", "./binderfs" [pid 3915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3914] <... symlink resumed>) = 0 [pid 3914] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3915] write(3, "1000", 4) = 4 [pid 3915] close(3) = 0 [pid 3915] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3915] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3914] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3915] <... socket resumed>) = 3 [pid 3914] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3915] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3915] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3914] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3915] <... bind resumed>) = 0 [pid 3914] <... bind resumed>) = 0 [pid 3914] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 134.568217][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a42f000: abort rx timeout. Force session deactivation [pid 3915] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3912] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 134.829454][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077791800: rx timeout, send abort [ 134.837861][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880737cb800: rx timeout, send abort [pid 3912] close(3) = 0 [pid 3912] close(4) = -1 EBADF (Bad file descriptor) [pid 3912] close(5) = -1 EBADF (Bad file descriptor) [pid 3912] close(6) = -1 EBADF (Bad file descriptor) [pid 3912] close(7) = -1 EBADF (Bad file descriptor) [pid 3912] close(8) = -1 EBADF (Bad file descriptor) [pid 3912] close(9) = -1 EBADF (Bad file descriptor) [pid 3912] close(10) = -1 EBADF (Bad file descriptor) [pid 3912] close(11) = -1 EBADF (Bad file descriptor) [pid 3912] close(12) = -1 EBADF (Bad file descriptor) [pid 3912] close(13) = -1 EBADF (Bad file descriptor) [pid 3912] close(14) = -1 EBADF (Bad file descriptor) [pid 3912] close(15) = -1 EBADF (Bad file descriptor) [pid 3912] close(16) = -1 EBADF (Bad file descriptor) [pid 3912] close(17) = -1 EBADF (Bad file descriptor) [pid 3912] close(18) = -1 EBADF (Bad file descriptor) [pid 3912] close(19) = -1 EBADF (Bad file descriptor) [pid 3912] close(20) = -1 EBADF (Bad file descriptor) [pid 3912] close(21) = -1 EBADF (Bad file descriptor) [pid 3912] close(22) = -1 EBADF (Bad file descriptor) [pid 3912] close(23) = -1 EBADF (Bad file descriptor) [pid 3912] close(24) = -1 EBADF (Bad file descriptor) [pid 3912] close(25) = -1 EBADF (Bad file descriptor) [pid 3912] close(26) = -1 EBADF (Bad file descriptor) [pid 3912] close(27) = -1 EBADF (Bad file descriptor) [pid 3912] close(28) = -1 EBADF (Bad file descriptor) [pid 3912] close(29) = -1 EBADF (Bad file descriptor) [ 134.901588][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077791800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 134.916167][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880737cb800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3912] exit_group(0) = ? [pid 3912] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./36/binderfs") = 0 [pid 3618] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./36/cgroup") = 0 [pid 3618] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 134.991649][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880269b7000: rx timeout, send abort [pid 3618] lstat("./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./36/cgroup.net") = 0 [pid 3618] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./36/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./36") = 0 [pid 3618] mkdir("./37", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3916 attached [pid 3916] chdir("./37" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 39 [pid 3916] <... chdir resumed>) = 0 [pid 3916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3916] setpgid(0, 0) = 0 [pid 3916] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3916] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3916] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3913] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3916] <... symlink resumed>) = 0 [pid 3913] close(3 [pid 3916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3913] <... close resumed>) = 0 [pid 3916] <... openat resumed>) = 3 [pid 3913] close(4 [pid 3916] write(3, "1000", 4) = 4 [pid 3916] close(3) = 0 [pid 3916] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3916] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3916] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3916] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 135.046077][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a54a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 135.060537][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a549800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3916] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3913] close(5) = -1 EBADF (Bad file descriptor) [pid 3913] close(6) = -1 EBADF (Bad file descriptor) [pid 3913] close(7) = -1 EBADF (Bad file descriptor) [pid 3913] close(8) = -1 EBADF (Bad file descriptor) [pid 3913] close(9) = -1 EBADF (Bad file descriptor) [pid 3913] close(10) = -1 EBADF (Bad file descriptor) [pid 3913] close(11) = -1 EBADF (Bad file descriptor) [pid 3913] close(12) = -1 EBADF (Bad file descriptor) [pid 3913] close(13) = -1 EBADF (Bad file descriptor) [pid 3913] close(14) = -1 EBADF (Bad file descriptor) [pid 3913] close(15) = -1 EBADF (Bad file descriptor) [pid 3913] close(16) = -1 EBADF (Bad file descriptor) [pid 3913] close(17) = -1 EBADF (Bad file descriptor) [pid 3913] close(18) = -1 EBADF (Bad file descriptor) [pid 3913] close(19) = -1 EBADF (Bad file descriptor) [pid 3913] close(20) = -1 EBADF (Bad file descriptor) [pid 3913] close(21) = -1 EBADF (Bad file descriptor) [pid 3913] close(22) = -1 EBADF (Bad file descriptor) [pid 3913] close(23) = -1 EBADF (Bad file descriptor) [pid 3913] close(24) = -1 EBADF (Bad file descriptor) [pid 3913] close(25) = -1 EBADF (Bad file descriptor) [pid 3913] close(26) = -1 EBADF (Bad file descriptor) [pid 3913] close(27) = -1 EBADF (Bad file descriptor) [pid 3913] close(28) = -1 EBADF (Bad file descriptor) [pid 3913] close(29) = -1 EBADF (Bad file descriptor) [pid 3913] exit_group(0) = ? [pid 3913] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./25/binderfs") = 0 [pid 3617] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./25/cgroup") = 0 [pid 3617] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./25/cgroup.net") = 0 [pid 3617] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./25/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./25") = 0 [pid 3617] mkdir("./26", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3917 attached [pid 3917] chdir("./26" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 28 [pid 3917] <... chdir resumed>) = 0 [pid 3917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3917] setpgid(0, 0) = 0 [pid 3917] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3917] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3917] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3917] write(3, "1000", 4) = 4 [pid 3917] close(3) = 0 [pid 3917] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3917] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3917] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3917] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3917] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3914] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 135.419553][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801f698c00: rx timeout, send abort [ 135.427985][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a2cc400: rx timeout, send abort [pid 3914] close(3) = 0 [ 135.460358][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801f698c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 135.474915][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a2cc400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 135.498478][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801c221c00: rx timeout, send abort [pid 3914] close(4) = -1 EBADF (Bad file descriptor) [pid 3914] close(5) = -1 EBADF (Bad file descriptor) [pid 3914] close(6) = -1 EBADF (Bad file descriptor) [pid 3914] close(7) = -1 EBADF (Bad file descriptor) [pid 3914] close(8) = -1 EBADF (Bad file descriptor) [pid 3914] close(9) = -1 EBADF (Bad file descriptor) [pid 3914] close(10) = -1 EBADF (Bad file descriptor) [pid 3914] close(11) = -1 EBADF (Bad file descriptor) [pid 3914] close(12) = -1 EBADF (Bad file descriptor) [pid 3914] close(13) = -1 EBADF (Bad file descriptor) [pid 3914] close(14) = -1 EBADF (Bad file descriptor) [pid 3914] close(15) = -1 EBADF (Bad file descriptor) [pid 3914] close(16) = -1 EBADF (Bad file descriptor) [pid 3914] close(17) = -1 EBADF (Bad file descriptor) [pid 3914] close(18) = -1 EBADF (Bad file descriptor) [pid 3914] close(19) = -1 EBADF (Bad file descriptor) [ 135.509637][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880269b7000: abort rx timeout. Force session deactivation [pid 3914] close(20) = -1 EBADF (Bad file descriptor) [pid 3914] close(21) = -1 EBADF (Bad file descriptor) [pid 3914] close(22) = -1 EBADF (Bad file descriptor) [pid 3914] close(23) = -1 EBADF (Bad file descriptor) [pid 3914] close(24) = -1 EBADF (Bad file descriptor) [pid 3914] close(25) = -1 EBADF (Bad file descriptor) [pid 3914] close(26) = -1 EBADF (Bad file descriptor) [pid 3914] close(27) = -1 EBADF (Bad file descriptor) [pid 3914] close(28) = -1 EBADF (Bad file descriptor) [pid 3914] close(29) = -1 EBADF (Bad file descriptor) [pid 3914] exit_group(0) = ? [pid 3914] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./29/binderfs") = 0 [pid 3620] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./29/cgroup") = 0 [pid 3620] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./29/cgroup.net") = 0 [pid 3620] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./29/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./29") = 0 [pid 3620] mkdir("./30", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3918 attached [pid 3918] chdir("./30") = 0 [pid 3918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 32 [pid 3918] <... prctl resumed>) = 0 [pid 3918] setpgid(0, 0) = 0 [pid 3918] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3918] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3918] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3918] write(3, "1000", 4) = 4 [pid 3918] close(3) = 0 [pid 3918] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3918] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3918] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3918] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3918] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3909] <... sendmsg resumed>) = 106496 [ 136.017140][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801c221c00: abort rx timeout. Force session deactivation [pid 3909] close(3 [pid 3916] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 136.057714][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a12c400: rx timeout, send abort [ 136.066127][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068e3f800: rx timeout, send abort [pid 3916] close(3) = 0 [pid 3916] close(4) = -1 EBADF (Bad file descriptor) [pid 3916] close(5) = -1 EBADF (Bad file descriptor) [pid 3916] close(6) = -1 EBADF (Bad file descriptor) [pid 3916] close(7) = -1 EBADF (Bad file descriptor) [pid 3916] close(8) = -1 EBADF (Bad file descriptor) [pid 3916] close(9) = -1 EBADF (Bad file descriptor) [pid 3916] close(10) = -1 EBADF (Bad file descriptor) [ 136.133362][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a12c400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 136.147905][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068e3f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3916] close(11) = -1 EBADF (Bad file descriptor) [pid 3916] close(12) = -1 EBADF (Bad file descriptor) [pid 3916] close(13) = -1 EBADF (Bad file descriptor) [pid 3916] close(14) = -1 EBADF (Bad file descriptor) [pid 3916] close(15) = -1 EBADF (Bad file descriptor) [pid 3916] close(16) = -1 EBADF (Bad file descriptor) [pid 3916] close(17) = -1 EBADF (Bad file descriptor) [pid 3916] close(18) = -1 EBADF (Bad file descriptor) [pid 3916] close(19) = -1 EBADF (Bad file descriptor) [pid 3916] close(20) = -1 EBADF (Bad file descriptor) [pid 3916] close(21) = -1 EBADF (Bad file descriptor) [pid 3916] close(22) = -1 EBADF (Bad file descriptor) [pid 3916] close(23) = -1 EBADF (Bad file descriptor) [pid 3916] close(24) = -1 EBADF (Bad file descriptor) [pid 3916] close(25) = -1 EBADF (Bad file descriptor) [pid 3916] close(26) = -1 EBADF (Bad file descriptor) [pid 3916] close(27) = -1 EBADF (Bad file descriptor) [pid 3916] close(28) = -1 EBADF (Bad file descriptor) [pid 3916] close(29) = -1 EBADF (Bad file descriptor) [pid 3916] exit_group(0) = ? [pid 3916] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./37/binderfs") = 0 [pid 3618] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./37/cgroup") = 0 [pid 3618] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./37/cgroup.net") = 0 [pid 3618] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./37/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./37") = 0 [pid 3618] mkdir("./38", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3919 attached , child_tidptr=0x555556f5d5d0) = 40 [pid 3919] chdir("./38") = 0 [pid 3919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3919] setpgid(0, 0) = 0 [pid 3919] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3919] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3919] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3919] write(3, "1000", 4) = 4 [pid 3919] close(3) = 0 [pid 3919] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3919] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3919] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3919] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3919] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3915] <... sendmsg resumed>) = 106496 [pid 3915] close(3 [pid 3911] <... close resumed>) = 0 [pid 3911] close(4) = -1 EBADF (Bad file descriptor) [pid 3911] close(5) = -1 EBADF (Bad file descriptor) [pid 3911] close(6) = -1 EBADF (Bad file descriptor) [pid 3911] close(7) = -1 EBADF (Bad file descriptor) [pid 3911] close(8) = -1 EBADF (Bad file descriptor) [pid 3911] close(9) = -1 EBADF (Bad file descriptor) [pid 3911] close(10) = -1 EBADF (Bad file descriptor) [pid 3911] close(11) = -1 EBADF (Bad file descriptor) [pid 3911] close(12) = -1 EBADF (Bad file descriptor) [pid 3911] close(13) = -1 EBADF (Bad file descriptor) [pid 3911] close(14) = -1 EBADF (Bad file descriptor) [pid 3911] close(15) = -1 EBADF (Bad file descriptor) [pid 3911] close(16) = -1 EBADF (Bad file descriptor) [pid 3911] close(17) = -1 EBADF (Bad file descriptor) [pid 3911] close(18) = -1 EBADF (Bad file descriptor) [pid 3911] close(19) = -1 EBADF (Bad file descriptor) [pid 3911] close(20) = -1 EBADF (Bad file descriptor) [pid 3911] close(21) = -1 EBADF (Bad file descriptor) [pid 3911] close(22) = -1 EBADF (Bad file descriptor) [pid 3911] close(23) = -1 EBADF (Bad file descriptor) [pid 3911] close(24) = -1 EBADF (Bad file descriptor) [pid 3911] close(25) = -1 EBADF (Bad file descriptor) [pid 3911] close(26) = -1 EBADF (Bad file descriptor) [pid 3911] close(27) = -1 EBADF (Bad file descriptor) [pid 3911] close(28) = -1 EBADF (Bad file descriptor) [pid 3911] close(29) = -1 EBADF (Bad file descriptor) [pid 3911] exit_group(0) = ? [pid 3911] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3918] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3918] close(3) = 0 [pid 3918] close(4) = -1 EBADF (Bad file descriptor) [pid 3918] close(5) = -1 EBADF (Bad file descriptor) [pid 3918] close(6) = -1 EBADF (Bad file descriptor) [pid 3918] close(7) = -1 EBADF (Bad file descriptor) [pid 3918] close(8) = -1 EBADF (Bad file descriptor) [pid 3918] close(9) = -1 EBADF (Bad file descriptor) [pid 3918] close(10) = -1 EBADF (Bad file descriptor) [pid 3918] close(11) = -1 EBADF (Bad file descriptor) [pid 3918] close(12) = -1 EBADF (Bad file descriptor) [pid 3918] close(13) = -1 EBADF (Bad file descriptor) [pid 3918] close(14) = -1 EBADF (Bad file descriptor) [pid 3918] close(15) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3918] close(16 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] close(17) = -1 EBADF (Bad file descriptor) [pid 3918] close(18) = -1 EBADF (Bad file descriptor) [pid 3918] close(19) = -1 EBADF (Bad file descriptor) [pid 3918] close(20) = -1 EBADF (Bad file descriptor) [pid 3918] close(21) = -1 EBADF (Bad file descriptor) [pid 3918] close(22 [pid 3613] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... openat resumed>) = 3 [pid 3918] close(23 [pid 3613] fstat(3, [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3918] close(24 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 136.883202][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e0f2c00: rx timeout, send abort [ 136.891677][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806fb8a400: rx timeout, send abort [ 136.900182][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e0f2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 136.916883][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fb8a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 3918] close(25) = -1 EBADF (Bad file descriptor) [pid 3918] close(26) = -1 EBADF (Bad file descriptor) [pid 3918] close(27) = -1 EBADF (Bad file descriptor) [pid 3918] close(28) = -1 EBADF (Bad file descriptor) [pid 3918] close(29) = -1 EBADF (Bad file descriptor) [pid 3918] exit_group(0) = ? [pid 3918] +++ exited with 0 +++ [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./26/binderfs", [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./26/binderfs") = 0 [pid 3613] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./26/cgroup", [pid 3620] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] unlink("./26/cgroup") = 0 [pid 3613] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./26/cgroup.net") = 0 [pid 3613] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] unlink("./26/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./26") = 0 [pid 3613] mkdir("./27", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3920 attached [pid 3620] <... openat resumed>) = 3 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 29 [pid 3620] fstat(3, [pid 3920] chdir("./27" [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 3920] <... chdir resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./30/binderfs", [pid 3920] <... prctl resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./30/binderfs") = 0 [pid 3920] setpgid(0, 0 [pid 3620] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3920] <... setpgid resumed>) = 0 [pid 3917] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] lstat("./30/cgroup", [pid 3917] close(3 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3920] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3917] <... close resumed>) = 0 [pid 3620] unlink("./30/cgroup" [pid 3920] <... symlink resumed>) = 0 [pid 3917] close(4 [pid 3620] <... unlink resumed>) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3917] close(5 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./30/cgroup.net", [pid 3917] close(6 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3920] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./30/cgroup.net" [pid 3920] <... symlink resumed>) = 0 [pid 3917] close(7 [pid 3620] <... unlink resumed>) = 0 [pid 3920] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3917] close(8 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3920] <... symlink resumed>) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./30/cgroup.cpu", [pid 3920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3917] close(9 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./30/cgroup.cpu" [pid 3917] close(10 [pid 3620] <... unlink resumed>) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3920] <... openat resumed>) = 3 [pid 3917] close(11 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] close(3 [pid 3917] close(12 [pid 3620] <... close resumed>) = 0 [ 137.016163][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807864ac00: rx timeout, send abort [ 137.024657][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888070714400: rx timeout, send abort [ 137.033416][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807864ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 137.047918][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888070714400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] rmdir("./30" [pid 3917] close(13 [pid 3620] <... rmdir resumed>) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] mkdir("./31", 0777 [pid 3920] write(3, "1000", 4 [pid 3917] close(14 [pid 3620] <... mkdir resumed>) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3917] close(15) = -1 EBADF (Bad file descriptor) [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 33 [pid 3917] close(16) = -1 EBADF (Bad file descriptor) [pid 3917] close(17) = -1 EBADF (Bad file descriptor) [pid 3917] close(18) = -1 EBADF (Bad file descriptor) [pid 3917] close(19 [pid 3920] <... write resumed>) = 4 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3921 attached [pid 3917] close(20) = -1 EBADF (Bad file descriptor) [pid 3920] close(3 [pid 3917] close(21 [pid 3921] chdir("./31" [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3917] close(22) = -1 EBADF (Bad file descriptor) [pid 3917] close(23) = -1 EBADF (Bad file descriptor) [pid 3917] close(24) = -1 EBADF (Bad file descriptor) [pid 3917] close(25 [pid 3921] <... chdir resumed>) = 0 [pid 3920] <... close resumed>) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3920] symlink("/dev/binderfs", "./binderfs" [pid 3917] close(26 [pid 3921] <... prctl resumed>) = 0 [pid 3920] <... symlink resumed>) = 0 [pid 3917] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] setpgid(0, 0 [pid 3920] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3917] close(27) = -1 EBADF (Bad file descriptor) [pid 3917] close(28) = -1 EBADF (Bad file descriptor) [pid 3921] <... setpgid resumed>) = 0 [pid 3920] <... socket resumed>) = 3 [pid 3917] close(29) = -1 EBADF (Bad file descriptor) [pid 3921] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3917] exit_group(0 [pid 3920] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3917] <... exit_group resumed>) = ? [pid 3921] <... symlink resumed>) = 0 [pid 3920] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3917] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3921] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3920] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3921] <... symlink resumed>) = 0 [pid 3920] <... bind resumed>) = 0 [pid 3617] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3921] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3920] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3921] <... symlink resumed>) = 0 [pid 3617] lstat("./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] unlink("./26/binderfs") = 0 [pid 3617] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./26/cgroup") = 0 [pid 3921] <... openat resumed>) = 3 [pid 3617] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./26/cgroup.net") = 0 [pid 3617] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3921] write(3, "1000", 4 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./26/cgroup.cpu", [pid 3921] <... write resumed>) = 4 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3921] close(3 [pid 3617] unlink("./26/cgroup.cpu") = 0 [pid 3921] <... close resumed>) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3 [pid 3921] symlink("/dev/binderfs", "./binderfs" [pid 3617] <... close resumed>) = 0 [pid 3921] <... symlink resumed>) = 0 [pid 3617] rmdir("./26") = 0 [pid 3617] mkdir("./27", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3922 attached [pid 3922] chdir("./27" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 29 [pid 3922] <... chdir resumed>) = 0 [pid 3922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3922] setpgid(0, 0) = 0 [pid 3922] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3922] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3922] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3921] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3922] <... symlink resumed>) = 0 [pid 3922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3922] write(3, "1000", 4) = 4 [pid 3922] close(3) = 0 [pid 3922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3921] <... socket resumed>) = 3 [pid 3922] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3921] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3922] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3921] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3922] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3921] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3922] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3921] <... bind resumed>) = 0 [pid 3921] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3919] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 137.443577][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880211eac00: rx timeout, send abort [ 137.451993][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a033800: rx timeout, send abort [pid 3919] close(3) = 0 [pid 3919] close(4) = -1 EBADF (Bad file descriptor) [pid 3919] close(5) = -1 EBADF (Bad file descriptor) [pid 3919] close(6) = -1 EBADF (Bad file descriptor) [pid 3919] close(7) = -1 EBADF (Bad file descriptor) [ 137.497036][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880211eac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 137.511577][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a033800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 137.526203][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880219bc800: rx timeout, send abort [ 137.534567][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880219bd000: rx timeout, send abort [pid 3919] close(8) = -1 EBADF (Bad file descriptor) [pid 3919] close(9) = -1 EBADF (Bad file descriptor) [pid 3919] close(10) = -1 EBADF (Bad file descriptor) [pid 3919] close(11) = -1 EBADF (Bad file descriptor) [pid 3919] close(12) = -1 EBADF (Bad file descriptor) [pid 3919] close(13) = -1 EBADF (Bad file descriptor) [pid 3919] close(14) = -1 EBADF (Bad file descriptor) [pid 3919] close(15) = -1 EBADF (Bad file descriptor) [pid 3919] close(16) = -1 EBADF (Bad file descriptor) [pid 3909] <... close resumed>) = 0 [pid 3919] close(17) = -1 EBADF (Bad file descriptor) [pid 3919] close(18) = -1 EBADF (Bad file descriptor) [pid 3919] close(19) = -1 EBADF (Bad file descriptor) [pid 3919] close(20) = -1 EBADF (Bad file descriptor) [pid 3919] close(21) = -1 EBADF (Bad file descriptor) [pid 3919] close(22) = -1 EBADF (Bad file descriptor) [pid 3919] close(23) = -1 EBADF (Bad file descriptor) [pid 3919] close(24) = -1 EBADF (Bad file descriptor) [pid 3919] close(25) = -1 EBADF (Bad file descriptor) [pid 3919] close(26) = -1 EBADF (Bad file descriptor) [pid 3919] close(27) = -1 EBADF (Bad file descriptor) [pid 3919] close(28) = -1 EBADF (Bad file descriptor) [pid 3919] close(29) = -1 EBADF (Bad file descriptor) [pid 3919] exit_group(0) = ? [pid 3919] +++ exited with 0 +++ [pid 3909] close(4 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(5) = -1 EBADF (Bad file descriptor) [ 137.544317][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880219bc800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 137.558787][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880219bd000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3909] close(6) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3909] close(7) = -1 EBADF (Bad file descriptor) [pid 3909] close(8) = -1 EBADF (Bad file descriptor) [pid 3909] close(9) = -1 EBADF (Bad file descriptor) [pid 3909] close(10 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./38/binderfs" [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3909] close(11 [pid 3618] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3909] close(12 [pid 3618] lstat("./38/cgroup", [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3909] close(13) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./38/cgroup" [pid 3909] close(14) = -1 EBADF (Bad file descriptor) [pid 3909] close(15) = -1 EBADF (Bad file descriptor) [pid 3909] close(16) = -1 EBADF (Bad file descriptor) [pid 3909] close(17) = -1 EBADF (Bad file descriptor) [pid 3909] close(18) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3909] close(19) = -1 EBADF (Bad file descriptor) [pid 3909] close(20) = -1 EBADF (Bad file descriptor) [pid 3909] close(21) = -1 EBADF (Bad file descriptor) [pid 3909] close(22) = -1 EBADF (Bad file descriptor) [pid 3909] close(23) = -1 EBADF (Bad file descriptor) [pid 3909] close(24) = -1 EBADF (Bad file descriptor) [pid 3909] close(25) = -1 EBADF (Bad file descriptor) [pid 3909] close(26) = -1 EBADF (Bad file descriptor) [pid 3909] close(27) = -1 EBADF (Bad file descriptor) [pid 3909] close(28) = -1 EBADF (Bad file descriptor) [pid 3909] close(29) = -1 EBADF (Bad file descriptor) [pid 3909] exit_group(0) = ? [pid 3909] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./35/binderfs") = 0 [pid 3619] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./35/cgroup") = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] lstat("./38/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./35/cgroup.net") = 0 [pid 3619] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./35/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./35") = 0 [pid 3619] mkdir("./36", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3923 attached [pid 3923] chdir("./36" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 38 [pid 3923] <... chdir resumed>) = 0 [pid 3923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3923] setpgid(0, 0) = 0 [pid 3923] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3923] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3923] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3923] write(3, "1000", 4 [pid 3618] unlink("./38/cgroup.net" [pid 3923] <... write resumed>) = 4 [pid 3618] <... unlink resumed>) = 0 [pid 3923] close(3) = 0 [pid 3923] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3923] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3618] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3923] <... socket resumed>) = 3 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3923] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3923] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3923] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./38/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./38") = 0 [pid 3618] mkdir("./39", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3924 attached [pid 3924] chdir("./39") = 0 [pid 3924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 41 [pid 3924] <... prctl resumed>) = 0 [pid 3924] setpgid(0, 0) = 0 [pid 3924] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3924] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3924] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3924] write(3, "1000", 4) = 4 [pid 3924] close(3) = 0 [pid 3924] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3924] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3924] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3924] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3924] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3920] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 138.015725][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068a2e800: rx timeout, send abort [ 138.024126][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d647c00: rx timeout, send abort [pid 3920] close(3) = 0 [pid 3920] close(4) = -1 EBADF (Bad file descriptor) [pid 3920] close(5) = -1 EBADF (Bad file descriptor) [pid 3920] close(6) = -1 EBADF (Bad file descriptor) [ 138.067398][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068a2e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 138.081934][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d647c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3921] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3920] close(7 [pid 3921] close(3 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(8) = -1 EBADF (Bad file descriptor) [ 138.132844][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880253ba400: rx timeout, send abort [ 138.141268][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888021fa2800: rx timeout, send abort [ 138.161275][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880253ba400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3920] close(9) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = 0 [pid 3920] close(10 [pid 3921] close(4 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(11) = -1 EBADF (Bad file descriptor) [pid 3920] close(12) = -1 EBADF (Bad file descriptor) [pid 3920] close(13) = -1 EBADF (Bad file descriptor) [pid 3920] close(14) = -1 EBADF (Bad file descriptor) [pid 3920] close(15) = -1 EBADF (Bad file descriptor) [pid 3921] close(5 [pid 3920] close(16) = -1 EBADF (Bad file descriptor) [pid 3920] close(17) = -1 EBADF (Bad file descriptor) [pid 3920] close(18) = -1 EBADF (Bad file descriptor) [pid 3920] close(19 [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] close(6 [ 138.175795][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888021fa2800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3920] close(20 [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] close(7) = -1 EBADF (Bad file descriptor) [pid 3920] close(21 [pid 3921] close(8 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(22 [pid 3921] close(9 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(23 [pid 3921] close(10 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(24 [pid 3921] close(11 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(25 [pid 3921] close(12 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(26 [pid 3921] close(13 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(27 [pid 3921] close(14 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(28 [pid 3921] close(15 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3921] close(16) = -1 EBADF (Bad file descriptor) [pid 3921] close(17) = -1 EBADF (Bad file descriptor) [pid 3921] close(18) = -1 EBADF (Bad file descriptor) [pid 3921] close(19) = -1 EBADF (Bad file descriptor) [pid 3921] close(20) = -1 EBADF (Bad file descriptor) [pid 3921] close(21) = -1 EBADF (Bad file descriptor) [pid 3921] close(22) = -1 EBADF (Bad file descriptor) [pid 3921] close(23) = -1 EBADF (Bad file descriptor) [pid 3921] close(24) = -1 EBADF (Bad file descriptor) [pid 3921] close(25) = -1 EBADF (Bad file descriptor) [pid 3921] close(26) = -1 EBADF (Bad file descriptor) [pid 3921] close(27) = -1 EBADF (Bad file descriptor) [pid 3921] close(28) = -1 EBADF (Bad file descriptor) [pid 3921] close(29) = -1 EBADF (Bad file descriptor) [pid 3921] exit_group(0) = ? [pid 3920] close(29 [pid 3921] +++ exited with 0 +++ [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] exit_group(0) = ? [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3920] +++ exited with 0 +++ [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] <... openat resumed>) = 3 [pid 3613] <... openat resumed>) = 3 [pid 3620] fstat(3, [pid 3613] fstat(3, [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 3613] getdents64(3, [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./31/binderfs", [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] lstat("./27/binderfs", [pid 3620] unlink("./31/binderfs" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./27/binderfs" [pid 3620] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3620] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./31/cgroup", [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] lstat("./27/cgroup", [pid 3620] unlink("./31/cgroup" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3613] unlink("./27/cgroup" [pid 3620] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] <... unlink resumed>) = 0 [pid 3620] lstat("./31/cgroup.net", [pid 3613] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] unlink("./31/cgroup.net") = 0 [pid 3613] lstat("./27/cgroup.net", [pid 3620] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] unlink("./27/cgroup.net" [pid 3620] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./31/cgroup.cpu" [pid 3613] <... unlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3620] getdents64(3, [pid 3613] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... close resumed>) = 0 [pid 3613] lstat("./27/cgroup.cpu", [pid 3620] rmdir("./31" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... rmdir resumed>) = 0 [pid 3613] unlink("./27/cgroup.cpu" [pid 3620] mkdir("./32", 0777) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3925 attached [pid 3613] getdents64(3, [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 34 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3925] chdir("./32" [pid 3613] close(3 [pid 3925] <... chdir resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] rmdir("./27" [pid 3925] <... prctl resumed>) = 0 [pid 3925] setpgid(0, 0 [pid 3613] <... rmdir resumed>) = 0 [pid 3925] <... setpgid resumed>) = 0 [pid 3613] mkdir("./28", 0777 [pid 3925] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3613] <... mkdir resumed>) = 0 [pid 3925] <... symlink resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3925] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"./strace-static-x86_64: Process 3926 attached ) = 0 [pid 3926] chdir("./28" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 30 [pid 3925] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3926] <... chdir resumed>) = 0 [pid 3925] <... symlink resumed>) = 0 [pid 3926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3926] <... prctl resumed>) = 0 [pid 3926] setpgid(0, 0 [pid 3925] <... openat resumed>) = 3 [pid 3926] <... setpgid resumed>) = 0 [pid 3925] write(3, "1000", 4 [pid 3926] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3925] <... write resumed>) = 4 [pid 3926] <... symlink resumed>) = 0 [pid 3925] close(3 [pid 3926] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3925] <... close resumed>) = 0 [pid 3926] <... symlink resumed>) = 0 [pid 3925] symlink("/dev/binderfs", "./binderfs" [pid 3926] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3925] <... symlink resumed>) = 0 [pid 3926] <... symlink resumed>) = 0 [pid 3925] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3925] <... socket resumed>) = 3 [pid 3926] <... openat resumed>) = 3 [pid 3926] write(3, "1000", 4 [pid 3925] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3926] <... write resumed>) = 4 [pid 3925] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3926] close(3) = 0 [pid 3925] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3926] symlink("/dev/binderfs", "./binderfs" [pid 3925] <... bind resumed>) = 0 [pid 3926] <... symlink resumed>) = 0 [pid 3925] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3926] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3915] <... close resumed>) = 0 [pid 3915] close(4) = -1 EBADF (Bad file descriptor) [pid 3915] close(5) = -1 EBADF (Bad file descriptor) [pid 3915] close(6) = -1 EBADF (Bad file descriptor) [pid 3915] close(7) = -1 EBADF (Bad file descriptor) [pid 3915] close(8) = -1 EBADF (Bad file descriptor) [pid 3915] close(9) = -1 EBADF (Bad file descriptor) [pid 3915] close(10) = -1 EBADF (Bad file descriptor) [pid 3915] close(11) = -1 EBADF (Bad file descriptor) [pid 3915] close(12 [pid 3926] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3915] close(13 [pid 3926] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3915] close(14) = -1 EBADF (Bad file descriptor) [pid 3915] close(15) = -1 EBADF (Bad file descriptor) [pid 3915] close(16) = -1 EBADF (Bad file descriptor) [pid 3915] close(17) = -1 EBADF (Bad file descriptor) [pid 3915] close(18) = -1 EBADF (Bad file descriptor) [pid 3915] close(19) = -1 EBADF (Bad file descriptor) [pid 3915] close(20) = -1 EBADF (Bad file descriptor) [pid 3915] close(21) = -1 EBADF (Bad file descriptor) [pid 3915] close(22) = -1 EBADF (Bad file descriptor) [pid 3915] close(23) = -1 EBADF (Bad file descriptor) [pid 3915] close(24) = -1 EBADF (Bad file descriptor) [pid 3926] <... bind resumed>) = 0 [pid 3915] close(25 [pid 3926] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3915] close(26) = -1 EBADF (Bad file descriptor) [pid 3915] close(27) = -1 EBADF (Bad file descriptor) [pid 3915] close(28) = -1 EBADF (Bad file descriptor) [pid 3915] close(29) = -1 EBADF (Bad file descriptor) [pid 3915] exit_group(0) = ? [pid 3915] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3616] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./34/binderfs") = 0 [pid 3616] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./34/cgroup") = 0 [pid 3616] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./34/cgroup.net") = 0 [pid 3616] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./34/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./34") = 0 [pid 3616] mkdir("./35", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3927 attached [pid 3927] chdir("./35" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 37 [pid 3927] <... chdir resumed>) = 0 [pid 3927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3927] setpgid(0, 0) = 0 [pid 3927] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3927] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3927] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3927] write(3, "1000", 4) = 4 [pid 3927] close(3) = 0 [pid 3927] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3927] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3927] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3927] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3927] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3923] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 138.682488][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d83ac00: rx timeout, send abort [ 138.690865][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e207800: rx timeout, send abort [pid 3923] close(3) = 0 [pid 3923] close(4) = -1 EBADF (Bad file descriptor) [pid 3923] close(5) = -1 EBADF (Bad file descriptor) [pid 3923] close(6) = -1 EBADF (Bad file descriptor) [pid 3923] close(7) = -1 EBADF (Bad file descriptor) [pid 3923] close(8) = -1 EBADF (Bad file descriptor) [pid 3923] close(9) = -1 EBADF (Bad file descriptor) [pid 3923] close(10) = -1 EBADF (Bad file descriptor) [pid 3923] close(11) = -1 EBADF (Bad file descriptor) [pid 3923] close(12) = -1 EBADF (Bad file descriptor) [pid 3923] close(13) = -1 EBADF (Bad file descriptor) [pid 3923] close(14) = -1 EBADF (Bad file descriptor) [pid 3923] close(15) = -1 EBADF (Bad file descriptor) [pid 3923] close(16) = -1 EBADF (Bad file descriptor) [ 138.801338][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d83ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 138.815904][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e207800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3923] close(17) = -1 EBADF (Bad file descriptor) [pid 3926] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3923] close(18 [pid 3926] close(3 [pid 3923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3923] close(19) = -1 EBADF (Bad file descriptor) [pid 3923] close(20) = -1 EBADF (Bad file descriptor) [pid 3923] close(21) = -1 EBADF (Bad file descriptor) [pid 3923] close(22) = -1 EBADF (Bad file descriptor) [pid 3923] close(23) = -1 EBADF (Bad file descriptor) [pid 3923] close(24) = -1 EBADF (Bad file descriptor) [pid 3923] close(25) = -1 EBADF (Bad file descriptor) [pid 3923] close(26) = -1 EBADF (Bad file descriptor) [ 138.893178][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888026a10000: rx timeout, send abort [pid 3923] close(27) = -1 EBADF (Bad file descriptor) [pid 3923] close(28) = -1 EBADF (Bad file descriptor) [pid 3923] close(29) = -1 EBADF (Bad file descriptor) [pid 3923] exit_group(0) = ? [pid 3923] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./36/binderfs") = 0 [pid 3619] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./36/cgroup") = 0 [pid 3619] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./36/cgroup.net") = 0 [pid 3619] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./36/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./36") = 0 [pid 3619] mkdir("./37", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3928 attached [pid 3928] chdir("./37" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 39 [pid 3928] <... chdir resumed>) = 0 [pid 3928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3928] setpgid(0, 0) = 0 [pid 3928] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3928] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3928] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3928] write(3, "1000", 4) = 4 [pid 3928] close(3) = 0 [pid 3928] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3926] <... close resumed>) = 0 [pid 3928] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3928] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3928] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3926] close(4 [pid 3928] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] close(5) = -1 EBADF (Bad file descriptor) [pid 3926] close(6) = -1 EBADF (Bad file descriptor) [pid 3926] close(7) = -1 EBADF (Bad file descriptor) [pid 3926] close(8) = -1 EBADF (Bad file descriptor) [pid 3926] close(9) = -1 EBADF (Bad file descriptor) [pid 3926] close(10) = -1 EBADF (Bad file descriptor) [pid 3926] close(11) = -1 EBADF (Bad file descriptor) [pid 3926] close(12) = -1 EBADF (Bad file descriptor) [pid 3926] close(13) = -1 EBADF (Bad file descriptor) [pid 3926] close(14) = -1 EBADF (Bad file descriptor) [pid 3926] close(15) = -1 EBADF (Bad file descriptor) [pid 3926] close(16) = -1 EBADF (Bad file descriptor) [pid 3926] close(17) = -1 EBADF (Bad file descriptor) [ 139.011457][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888026a10000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 139.026099][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801f2c6000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3926] close(18) = -1 EBADF (Bad file descriptor) [pid 3926] close(19) = -1 EBADF (Bad file descriptor) [pid 3926] close(20) = -1 EBADF (Bad file descriptor) [pid 3926] close(21) = -1 EBADF (Bad file descriptor) [pid 3926] close(22) = -1 EBADF (Bad file descriptor) [pid 3926] close(23) = -1 EBADF (Bad file descriptor) [pid 3926] close(24) = -1 EBADF (Bad file descriptor) [pid 3926] close(25) = -1 EBADF (Bad file descriptor) [pid 3926] close(26) = -1 EBADF (Bad file descriptor) [pid 3926] close(27) = -1 EBADF (Bad file descriptor) [pid 3926] close(28) = -1 EBADF (Bad file descriptor) [pid 3926] close(29) = -1 EBADF (Bad file descriptor) [pid 3926] exit_group(0) = ? [pid 3926] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./28/binderfs") = 0 [pid 3613] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./28/cgroup") = 0 [pid 3613] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./28/cgroup.net") = 0 [pid 3613] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./28/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./28") = 0 [pid 3613] mkdir("./29", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3929 attached [pid 3929] chdir("./29" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 31 [pid 3929] <... chdir resumed>) = 0 [pid 3929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3929] setpgid(0, 0) = 0 [pid 3929] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3929] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3929] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3929] write(3, "1000", 4) = 4 [pid 3929] close(3) = 0 [pid 3929] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3929] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3929] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3929] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3929] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3925] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 139.521810][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806992d800: rx timeout, send abort [ 139.530187][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801f2c6400: rx timeout, send abort [ 139.554800][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806992d800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3925] close(3) = 0 [pid 3925] close(4) = -1 EBADF (Bad file descriptor) [pid 3925] close(5) = -1 EBADF (Bad file descriptor) [pid 3925] close(6) = -1 EBADF (Bad file descriptor) [ 139.569319][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801f2c6400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3925] close(7) = -1 EBADF (Bad file descriptor) [pid 3925] close(8) = -1 EBADF (Bad file descriptor) [pid 3925] close(9) = -1 EBADF (Bad file descriptor) [pid 3925] close(10) = -1 EBADF (Bad file descriptor) [pid 3925] close(11) = -1 EBADF (Bad file descriptor) [pid 3925] close(12) = -1 EBADF (Bad file descriptor) [pid 3925] close(13) = -1 EBADF (Bad file descriptor) [pid 3925] close(14) = -1 EBADF (Bad file descriptor) [pid 3925] close(15) = -1 EBADF (Bad file descriptor) [pid 3925] close(16) = -1 EBADF (Bad file descriptor) [pid 3925] close(17) = -1 EBADF (Bad file descriptor) [pid 3925] close(18) = -1 EBADF (Bad file descriptor) [pid 3925] close(19) = -1 EBADF (Bad file descriptor) [pid 3925] close(20) = -1 EBADF (Bad file descriptor) [pid 3925] close(21) = -1 EBADF (Bad file descriptor) [pid 3925] close(22) = -1 EBADF (Bad file descriptor) [pid 3925] close(23) = -1 EBADF (Bad file descriptor) [pid 3925] close(24) = -1 EBADF (Bad file descriptor) [pid 3925] close(25) = -1 EBADF (Bad file descriptor) [pid 3925] close(26) = -1 EBADF (Bad file descriptor) [pid 3925] close(27) = -1 EBADF (Bad file descriptor) [pid 3925] close(28) = -1 EBADF (Bad file descriptor) [pid 3925] close(29) = -1 EBADF (Bad file descriptor) [pid 3925] exit_group(0) = ? [pid 3925] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./32/binderfs" [pid 3922] <... sendmsg resumed>) = 106496 [pid 3620] <... unlink resumed>) = 0 [pid 3922] close(3 [pid 3620] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./32/cgroup") = 0 [pid 3620] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./32/cgroup.net") = 0 [pid 3620] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./32/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./32") = 0 [pid 3620] mkdir("./33", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3930 attached , child_tidptr=0x555556f5d5d0) = 35 [pid 3930] chdir("./33") = 0 [pid 3930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3930] setpgid(0, 0) = 0 [pid 3930] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3930] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3930] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3930] write(3, "1000", 4) = 4 [pid 3930] close(3) = 0 [pid 3930] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3930] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3930] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3930] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 139.998116][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c926800: rx timeout, send abort [ 140.006509][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068deb800: rx timeout, send abort [ 140.025256][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c926800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3930] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3928] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3928] close(3) = 0 [pid 3928] close(4) = -1 EBADF (Bad file descriptor) [pid 3928] close(5) = -1 EBADF (Bad file descriptor) [pid 3928] close(6) = -1 EBADF (Bad file descriptor) [pid 3928] close(7) = -1 EBADF (Bad file descriptor) [pid 3928] close(8) = -1 EBADF (Bad file descriptor) [pid 3928] close(9) = -1 EBADF (Bad file descriptor) [pid 3928] close(10) = -1 EBADF (Bad file descriptor) [pid 3928] close(11) = -1 EBADF (Bad file descriptor) [pid 3928] close(12) = -1 EBADF (Bad file descriptor) [pid 3928] close(13) = -1 EBADF (Bad file descriptor) [pid 3928] close(14) = -1 EBADF (Bad file descriptor) [pid 3928] close(15) = -1 EBADF (Bad file descriptor) [pid 3928] close(16) = -1 EBADF (Bad file descriptor) [pid 3928] close(17) = -1 EBADF (Bad file descriptor) [pid 3928] close(18) = -1 EBADF (Bad file descriptor) [pid 3928] close(19) = -1 EBADF (Bad file descriptor) [pid 3928] close(20) = -1 EBADF (Bad file descriptor) [pid 3928] close(21) = -1 EBADF (Bad file descriptor) [pid 3928] close(22) = -1 EBADF (Bad file descriptor) [pid 3928] close(23) = -1 EBADF (Bad file descriptor) [pid 3928] close(24) = -1 EBADF (Bad file descriptor) [pid 3928] close(25) = -1 EBADF (Bad file descriptor) [pid 3928] close(26) = -1 EBADF (Bad file descriptor) [ 140.039780][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068deb800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3928] close(27) = -1 EBADF (Bad file descriptor) [pid 3928] close(28) = -1 EBADF (Bad file descriptor) [pid 3928] close(29) = -1 EBADF (Bad file descriptor) [pid 3928] exit_group(0) = ? [pid 3928] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./37/binderfs") = 0 [pid 3619] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./37/cgroup") = 0 [pid 3619] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./37/cgroup.net") = 0 [pid 3619] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./37/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./37") = 0 [pid 3619] mkdir("./38", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3931 attached [pid 3931] chdir("./38" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 40 [pid 3931] <... chdir resumed>) = 0 [pid 3931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3931] setpgid(0, 0) = 0 [pid 3931] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3931] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3931] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3931] write(3, "1000", 4) = 4 [pid 3931] close(3) = 0 [pid 3931] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3931] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3931] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3931] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3931] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 140.376618][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888078f1e400: rx timeout, send abort [ 140.385040][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065858400: rx timeout, send abort [pid 3929] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3929] close(3) = 0 [pid 3929] close(4) = -1 EBADF (Bad file descriptor) [pid 3929] close(5) = -1 EBADF (Bad file descriptor) [pid 3929] close(6) = -1 EBADF (Bad file descriptor) [pid 3929] close(7) = -1 EBADF (Bad file descriptor) [pid 3929] close(8) = -1 EBADF (Bad file descriptor) [pid 3929] close(9) = -1 EBADF (Bad file descriptor) [pid 3929] close(10) = -1 EBADF (Bad file descriptor) [pid 3929] close(11) = -1 EBADF (Bad file descriptor) [ 140.412891][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888078f1e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 140.427396][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065858400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3929] close(12) = -1 EBADF (Bad file descriptor) [pid 3929] close(13) = -1 EBADF (Bad file descriptor) [pid 3929] close(14) = -1 EBADF (Bad file descriptor) [pid 3929] close(15) = -1 EBADF (Bad file descriptor) [pid 3929] close(16) = -1 EBADF (Bad file descriptor) [pid 3929] close(17) = -1 EBADF (Bad file descriptor) [pid 3929] close(18) = -1 EBADF (Bad file descriptor) [pid 3929] close(19) = -1 EBADF (Bad file descriptor) [pid 3929] close(20) = -1 EBADF (Bad file descriptor) [pid 3929] close(21) = -1 EBADF (Bad file descriptor) [pid 3929] close(22) = -1 EBADF (Bad file descriptor) [pid 3929] close(23) = -1 EBADF (Bad file descriptor) [pid 3929] close(24) = -1 EBADF (Bad file descriptor) [pid 3929] close(25) = -1 EBADF (Bad file descriptor) [pid 3929] close(26) = -1 EBADF (Bad file descriptor) [pid 3929] close(27) = -1 EBADF (Bad file descriptor) [pid 3929] close(28) = -1 EBADF (Bad file descriptor) [pid 3929] close(29) = -1 EBADF (Bad file descriptor) [pid 3929] exit_group(0) = ? [pid 3929] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3613] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./29/binderfs") = 0 [pid 3613] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./29/cgroup") = 0 [pid 3613] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./29/cgroup.net") = 0 [pid 3613] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./29/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./29") = 0 [pid 3613] mkdir("./30", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3932 attached [pid 3932] chdir("./30") = 0 [pid 3932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3932] setpgid(0, 0) = 0 [pid 3932] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 32 [pid 3932] <... symlink resumed>) = 0 [pid 3932] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3932] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3932] write(3, "1000", 4) = 4 [pid 3932] close(3) = 0 [pid 3932] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3932] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3932] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3932] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3932] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3927] <... sendmsg resumed>) = 106496 [pid 3927] close(3 [pid 3931] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 141.140073][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807a7c9800: rx timeout, send abort [ 141.148536][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806bfe4c00: rx timeout, send abort [pid 3931] close(3) = 0 [pid 3931] close(4) = -1 EBADF (Bad file descriptor) [ 141.193871][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a7c9800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 141.208473][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bfe4c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3931] close(5) = -1 EBADF (Bad file descriptor) [pid 3931] close(6 [pid 3924] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(7) = -1 EBADF (Bad file descriptor) [ 141.252715][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065ce9800: rx timeout, send abort [ 141.261138][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f196000: rx timeout, send abort [ 141.281574][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065ce9800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3931] close(8) = -1 EBADF (Bad file descriptor) [pid 3924] close(3 [pid 3931] close(9 [pid 3924] <... close resumed>) = 0 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(4 [pid 3931] close(10 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(5 [pid 3931] close(11 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(6 [pid 3931] close(12 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(7 [pid 3931] close(13 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(14 [pid 3924] close(8 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(15 [pid 3924] close(9 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(16 [ 141.296117][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f196000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3924] close(10 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(17) = -1 EBADF (Bad file descriptor) [pid 3924] close(11 [pid 3931] close(18 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(12 [pid 3931] close(19 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(13 [pid 3931] close(20 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(14 [pid 3931] close(21 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(15 [pid 3931] close(22 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(16 [pid 3931] close(23 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(17 [pid 3931] close(24 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(25 [pid 3924] close(18 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(26 [pid 3924] close(19 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(27 [pid 3924] close(20 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(28 [pid 3924] close(21 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] close(29 [pid 3924] close(22 [pid 3931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] exit_group(0 [pid 3924] close(23 [pid 3931] <... exit_group resumed>) = ? [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3931] +++ exited with 0 +++ [pid 3924] close(24) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3924] close(25 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... restart_syscall resumed>) = 0 [pid 3924] close(26) = -1 EBADF (Bad file descriptor) [pid 3924] close(27 [pid 3619] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3924] close(28) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3924] close(29) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 3924] exit_group(0 [pid 3619] fstat(3, [pid 3924] <... exit_group resumed>) = ? [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3924] +++ exited with 0 +++ [pid 3619] getdents64(3, [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 3619] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... restart_syscall resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./38/binderfs" [pid 3618] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./38/cgroup", [pid 3618] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] fstat(3, [pid 3619] unlink("./38/cgroup" [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3618] getdents64(3, [pid 3619] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./38/cgroup.net", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] lstat("./39/binderfs", [pid 3619] unlink("./38/cgroup.net" [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3618] unlink("./39/binderfs" [pid 3619] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./38/cgroup.cpu", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] lstat("./39/cgroup", [pid 3619] unlink("./38/cgroup.cpu" [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3618] unlink("./39/cgroup" [pid 3619] getdents64(3, [pid 3618] <... unlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] close(3 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... close resumed>) = 0 [pid 3618] lstat("./39/cgroup.net", [pid 3619] rmdir("./38") = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] mkdir("./39", 0777 [pid 3618] unlink("./39/cgroup.net" [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 3933 attached [pid 3618] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 41 [pid 3933] chdir("./39") = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] lstat("./39/cgroup.cpu", [pid 3933] <... prctl resumed>) = 0 [pid 3933] setpgid(0, 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3933] <... setpgid resumed>) = 0 [pid 3932] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3618] unlink("./39/cgroup.cpu" [pid 3932] close(3 [pid 3618] <... unlink resumed>) = 0 [pid 3933] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3618] getdents64(3, [pid 3933] <... symlink resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3933] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3618] close(3 [pid 3933] <... symlink resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3933] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3618] rmdir("./39" [pid 3933] <... symlink resumed>) = 0 [pid 3933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] <... rmdir resumed>) = 0 [pid 3933] <... openat resumed>) = 3 [pid 3618] mkdir("./40", 0777 [pid 3933] write(3, "1000", 4 [pid 3618] <... mkdir resumed>) = 0 [ 141.623626][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888079b64800: rx timeout, send abort [ 141.632056][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b68b000: rx timeout, send abort [pid 3933] <... write resumed>) = 4 [pid 3932] <... close resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3933] close(3 [pid 3932] close(4) = -1 EBADF (Bad file descriptor) [pid 3932] close(5) = -1 EBADF (Bad file descriptor) [pid 3932] close(6) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3934 attached [pid 3932] close(7 [pid 3933] <... close resumed>) = 0 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 42 [pid 3934] chdir("./40" [pid 3932] close(8 [ 141.667134][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888079b64800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 141.681695][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b68b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 141.706980][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a2f2800: rx timeout, send abort [pid 3933] symlink("/dev/binderfs", "./binderfs" [pid 3934] <... chdir resumed>) = 0 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3933] <... symlink resumed>) = 0 [pid 3932] close(9 [pid 3934] <... prctl resumed>) = 0 [pid 3933] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] setpgid(0, 0 [pid 3933] <... socket resumed>) = 3 [pid 3932] close(10 [pid 3930] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] close(3 [pid 3932] close(11 [pid 3934] <... setpgid resumed>) = 0 [pid 3933] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3933] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3934] <... symlink resumed>) = 0 [pid 3933] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3934] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3933] <... bind resumed>) = 0 [pid 3934] <... symlink resumed>) = 0 [pid 3933] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3934] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3932] close(12 [pid 3934] write(3, "1000", 4 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... write resumed>) = 4 [pid 3932] close(13 [pid 3934] close(3 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... close resumed>) = 0 [pid 3932] close(14 [pid 3934] symlink("/dev/binderfs", "./binderfs" [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... symlink resumed>) = 0 [pid 3932] close(15 [pid 3930] <... close resumed>) = 0 [pid 3934] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] close(4 [pid 3934] <... socket resumed>) = 3 [pid 3932] close(16 [ 141.715375][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077e55c00: rx timeout, send abort [ 141.735005][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a2f2800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 141.749499][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077e55c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3934] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3932] close(17 [pid 3930] close(5 [pid 3934] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... bind resumed>) = 0 [pid 3932] close(18 [pid 3934] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3932] close(19) = -1 EBADF (Bad file descriptor) [pid 3932] close(20) = -1 EBADF (Bad file descriptor) [pid 3932] close(21) = -1 EBADF (Bad file descriptor) [pid 3932] close(22 [pid 3930] close(6 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3932] close(23) = -1 EBADF (Bad file descriptor) [pid 3932] close(24 [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3932] close(25) = -1 EBADF (Bad file descriptor) [pid 3930] close(7 [pid 3932] close(26 [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] close(8) = -1 EBADF (Bad file descriptor) [pid 3930] close(9) = -1 EBADF (Bad file descriptor) [pid 3930] close(10) = -1 EBADF (Bad file descriptor) [pid 3930] close(11) = -1 EBADF (Bad file descriptor) [pid 3930] close(12) = -1 EBADF (Bad file descriptor) [pid 3930] close(13) = -1 EBADF (Bad file descriptor) [pid 3930] close(14) = -1 EBADF (Bad file descriptor) [pid 3930] close(15) = -1 EBADF (Bad file descriptor) [pid 3930] close(16) = -1 EBADF (Bad file descriptor) [pid 3930] close(17) = -1 EBADF (Bad file descriptor) [pid 3930] close(18) = -1 EBADF (Bad file descriptor) [pid 3930] close(19) = -1 EBADF (Bad file descriptor) [pid 3930] close(20) = -1 EBADF (Bad file descriptor) [pid 3930] close(21 [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3932] close(27 [pid 3930] close(22) = -1 EBADF (Bad file descriptor) [pid 3930] close(23) = -1 EBADF (Bad file descriptor) [pid 3930] close(24) = -1 EBADF (Bad file descriptor) [pid 3930] close(25) = -1 EBADF (Bad file descriptor) [pid 3930] close(26) = -1 EBADF (Bad file descriptor) [pid 3930] close(27) = -1 EBADF (Bad file descriptor) [pid 3930] close(28) = -1 EBADF (Bad file descriptor) [pid 3930] close(29) = -1 EBADF (Bad file descriptor) [pid 3930] exit_group(0) = ? [pid 3930] +++ exited with 0 +++ [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3932] close(28 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3932] close(29) = -1 EBADF (Bad file descriptor) [pid 3932] exit_group(0 [pid 3620] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3932] <... exit_group resumed>) = ? [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3932] +++ exited with 0 +++ [pid 3620] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] lstat("./33/binderfs", [pid 3613] <... openat resumed>) = 3 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./33/binderfs" [pid 3613] fstat(3, [pid 3620] <... unlink resumed>) = 0 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] getdents64(3, [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] lstat("./33/cgroup", [pid 3613] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] unlink("./33/cgroup" [pid 3613] lstat("./30/binderfs", [pid 3922] <... close resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3922] close(4) = -1 EBADF (Bad file descriptor) [pid 3922] close(5) = -1 EBADF (Bad file descriptor) [pid 3922] close(6) = -1 EBADF (Bad file descriptor) [pid 3922] close(7) = -1 EBADF (Bad file descriptor) [pid 3922] close(8) = -1 EBADF (Bad file descriptor) [pid 3922] close(9) = -1 EBADF (Bad file descriptor) [pid 3922] close(10) = -1 EBADF (Bad file descriptor) [pid 3922] close(11) = -1 EBADF (Bad file descriptor) [pid 3922] close(12) = -1 EBADF (Bad file descriptor) [pid 3922] close(13) = -1 EBADF (Bad file descriptor) [pid 3922] close(14) = -1 EBADF (Bad file descriptor) [pid 3922] close(15) = -1 EBADF (Bad file descriptor) [pid 3922] close(16) = -1 EBADF (Bad file descriptor) [pid 3922] close(17) = -1 EBADF (Bad file descriptor) [pid 3922] close(18) = -1 EBADF (Bad file descriptor) [pid 3922] close(19) = -1 EBADF (Bad file descriptor) [pid 3922] close(20) = -1 EBADF (Bad file descriptor) [pid 3922] close(21) = -1 EBADF (Bad file descriptor) [pid 3922] close(22) = -1 EBADF (Bad file descriptor) [pid 3922] close(23) = -1 EBADF (Bad file descriptor) [pid 3922] close(24) = -1 EBADF (Bad file descriptor) [pid 3922] close(25) = -1 EBADF (Bad file descriptor) [pid 3922] close(26) = -1 EBADF (Bad file descriptor) [pid 3922] close(27 [pid 3620] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] unlink("./30/binderfs" [pid 3922] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3922] close(28) = -1 EBADF (Bad file descriptor) [pid 3922] close(29) = -1 EBADF (Bad file descriptor) [pid 3922] exit_group(0) = ? [pid 3922] +++ exited with 0 +++ [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./33/cgroup.net", [pid 3613] <... unlink resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./33/cgroup.net") = 0 [pid 3620] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] lstat("./33/cgroup.cpu", [pid 3617] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./33/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./33") = 0 [pid 3620] mkdir("./34", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3935 attached [pid 3935] chdir("./34" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 36 [pid 3935] <... chdir resumed>) = 0 [pid 3935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3935] <... prctl resumed>) = 0 [pid 3613] lstat("./30/cgroup", [pid 3935] setpgid(0, 0) = 0 [pid 3935] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3935] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3617] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] unlink("./30/cgroup" [pid 3935] <... symlink resumed>) = 0 [pid 3935] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... openat resumed>) = 3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] fstat(3, [pid 3613] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./30/cgroup.net" [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3935] <... openat resumed>) = 3 [pid 3617] getdents64(3, [pid 3613] <... unlink resumed>) = 0 [pid 3935] write(3, "1000", 4) = 4 [pid 3935] close(3) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3935] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3935] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3935] <... socket resumed>) = 3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./30/cgroup.cpu", [pid 3935] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3935] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3617] lstat("./27/binderfs", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3935] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./27/binderfs" [pid 3613] unlink("./30/cgroup.cpu" [pid 3617] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3617] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] getdents64(3, [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3 [pid 3617] lstat("./27/cgroup", [pid 3613] <... close resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] rmdir("./30" [pid 3617] unlink("./27/cgroup" [pid 3613] <... rmdir resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] mkdir("./31", 0777 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... mkdir resumed>) = 0 [pid 3617] lstat("./27/cgroup.net", [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 3936 attached [pid 3617] unlink("./27/cgroup.net" [pid 3936] chdir("./31" [pid 3617] <... unlink resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 33 [pid 3936] <... chdir resumed>) = 0 [pid 3936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3936] setpgid(0, 0 [pid 3617] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3936] <... setpgid resumed>) = 0 [pid 3936] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3936] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3936] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] lstat("./27/cgroup.cpu", [pid 3936] write(3, "1000", 4) = 4 [pid 3936] close(3) = 0 [pid 3936] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3936] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3936] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./27/cgroup.cpu" [pid 3936] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3936] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] <... unlink resumed>) = 0 [pid 3936] <... bind resumed>) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3 [pid 3936] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... close resumed>) = 0 [pid 3617] rmdir("./27") = 0 [pid 3617] mkdir("./28", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 30 ./strace-static-x86_64: Process 3937 attached [pid 3937] chdir("./28") = 0 [pid 3937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3937] setpgid(0, 0) = 0 [pid 3937] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3937] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3937] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3937] write(3, "1000", 4) = 4 [pid 3937] close(3) = 0 [pid 3937] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3937] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3937] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3937] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3937] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3927] <... close resumed>) = 0 [pid 3927] close(4) = -1 EBADF (Bad file descriptor) [pid 3927] close(5) = -1 EBADF (Bad file descriptor) [pid 3927] close(6) = -1 EBADF (Bad file descriptor) [pid 3927] close(7) = -1 EBADF (Bad file descriptor) [pid 3927] close(8) = -1 EBADF (Bad file descriptor) [pid 3927] close(9) = -1 EBADF (Bad file descriptor) [pid 3927] close(10) = -1 EBADF (Bad file descriptor) [pid 3927] close(11) = -1 EBADF (Bad file descriptor) [pid 3927] close(12) = -1 EBADF (Bad file descriptor) [pid 3927] close(13) = -1 EBADF (Bad file descriptor) [pid 3927] close(14) = -1 EBADF (Bad file descriptor) [pid 3927] close(15) = -1 EBADF (Bad file descriptor) [pid 3927] close(16) = -1 EBADF (Bad file descriptor) [pid 3927] close(17) = -1 EBADF (Bad file descriptor) [pid 3927] close(18) = -1 EBADF (Bad file descriptor) [pid 3927] close(19) = -1 EBADF (Bad file descriptor) [pid 3927] close(20) = -1 EBADF (Bad file descriptor) [pid 3927] close(21) = -1 EBADF (Bad file descriptor) [pid 3927] close(22) = -1 EBADF (Bad file descriptor) [pid 3927] close(23) = -1 EBADF (Bad file descriptor) [pid 3927] close(24) = -1 EBADF (Bad file descriptor) [pid 3927] close(25) = -1 EBADF (Bad file descriptor) [pid 3927] close(26) = -1 EBADF (Bad file descriptor) [pid 3927] close(27) = -1 EBADF (Bad file descriptor) [pid 3927] close(28) = -1 EBADF (Bad file descriptor) [pid 3927] close(29) = -1 EBADF (Bad file descriptor) [pid 3927] exit_group(0) = ? [pid 3927] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3616] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./35/binderfs") = 0 [pid 3616] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./35/cgroup") = 0 [pid 3616] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./35/cgroup.net") = 0 [pid 3616] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./35/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./35") = 0 [pid 3616] mkdir("./36", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3938 attached , child_tidptr=0x555556f5d5d0) = 38 [pid 3938] chdir("./36") = 0 [pid 3938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3938] setpgid(0, 0 [pid 3935] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3938] <... setpgid resumed>) = 0 [pid 3935] close(3 [pid 3938] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3935] <... close resumed>) = 0 [pid 3938] <... symlink resumed>) = 0 [pid 3935] close(4 [pid 3938] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... symlink resumed>) = 0 [pid 3935] close(5 [pid 3938] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... symlink resumed>) = 0 [pid 3935] close(6) = -1 EBADF (Bad file descriptor) [pid 3935] close(7) = -1 EBADF (Bad file descriptor) [pid 3935] close(8) = -1 EBADF (Bad file descriptor) [pid 3935] close(9) = -1 EBADF (Bad file descriptor) [pid 3935] close(10) = -1 EBADF (Bad file descriptor) [pid 3935] close(11 [pid 3938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3935] close(12) = -1 EBADF (Bad file descriptor) [pid 3935] close(13) = -1 EBADF (Bad file descriptor) [pid 3935] close(14) = -1 EBADF (Bad file descriptor) [pid 3935] close(15) = -1 EBADF (Bad file descriptor) [pid 3938] <... openat resumed>) = 3 [pid 3935] close(16) = -1 EBADF (Bad file descriptor) [pid 3935] close(17 [pid 3938] write(3, "1000", 4 [pid 3935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3935] close(18) = -1 EBADF (Bad file descriptor) [pid 3938] <... write resumed>) = 4 [pid 3935] close(19) = -1 EBADF (Bad file descriptor) [ 143.018207][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888025fe9800: rx timeout, send abort [ 143.026645][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888025fea000: rx timeout, send abort [ 143.035256][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888025fe9800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 143.049757][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888025fea000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3935] close(20 [pid 3938] close(3 [pid 3935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3938] <... close resumed>) = 0 [pid 3935] close(21) = -1 EBADF (Bad file descriptor) [pid 3935] close(22 [pid 3938] symlink("/dev/binderfs", "./binderfs" [pid 3935] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3935] close(23) = -1 EBADF (Bad file descriptor) [pid 3935] close(24) = -1 EBADF (Bad file descriptor) [pid 3935] close(25) = -1 EBADF (Bad file descriptor) [pid 3935] close(26) = -1 EBADF (Bad file descriptor) [pid 3935] close(27) = -1 EBADF (Bad file descriptor) [pid 3935] close(28) = -1 EBADF (Bad file descriptor) [pid 3935] close(29) = -1 EBADF (Bad file descriptor) [pid 3935] exit_group(0) = ? [pid 3938] <... symlink resumed>) = 0 [pid 3935] +++ exited with 0 +++ [pid 3938] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3938] <... socket resumed>) = 3 [pid 3938] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3620] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3938] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3938] <... bind resumed>) = 0 [pid 3620] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3938] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... openat resumed>) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./34/binderfs") = 0 [pid 3620] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./34/cgroup") = 0 [pid 3620] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./34/cgroup.net") = 0 [pid 3620] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./34/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./34") = 0 [pid 3620] mkdir("./35", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3939 attached [pid 3939] chdir("./35" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 37 [pid 3939] <... chdir resumed>) = 0 [pid 3939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3939] setpgid(0, 0) = 0 [pid 3939] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3939] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3936] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3939] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3936] close(3 [pid 3939] <... symlink resumed>) = 0 [pid 3936] <... close resumed>) = 0 [pid 3939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3936] close(4 [pid 3939] <... openat resumed>) = 3 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] write(3, "1000", 4 [pid 3936] close(5 [pid 3939] <... write resumed>) = 4 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] close(3 [pid 3936] close(6 [pid 3939] <... close resumed>) = 0 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] symlink("/dev/binderfs", "./binderfs" [pid 3936] close(7 [pid 3939] <... symlink resumed>) = 0 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3936] close(8 [pid 3939] <... socket resumed>) = 3 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3936] close(9 [pid 3939] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3936] close(10 [pid 3939] <... bind resumed>) = 0 [pid 3936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 143.167023][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068a13400: rx timeout, send abort [ 143.175445][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068a13c00: rx timeout, send abort [ 143.183957][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068a13400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 143.198458][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068a13c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3936] close(11) = -1 EBADF (Bad file descriptor) [pid 3936] close(12) = -1 EBADF (Bad file descriptor) [pid 3936] close(13) = -1 EBADF (Bad file descriptor) [pid 3936] close(14) = -1 EBADF (Bad file descriptor) [pid 3936] close(15) = -1 EBADF (Bad file descriptor) [pid 3936] close(16) = -1 EBADF (Bad file descriptor) [pid 3936] close(17) = -1 EBADF (Bad file descriptor) [pid 3936] close(18) = -1 EBADF (Bad file descriptor) [pid 3936] close(19) = -1 EBADF (Bad file descriptor) [pid 3936] close(20) = -1 EBADF (Bad file descriptor) [pid 3936] close(21) = -1 EBADF (Bad file descriptor) [pid 3936] close(22) = -1 EBADF (Bad file descriptor) [pid 3936] close(23) = -1 EBADF (Bad file descriptor) [pid 3936] close(24) = -1 EBADF (Bad file descriptor) [pid 3936] close(25) = -1 EBADF (Bad file descriptor) [pid 3936] close(26) = -1 EBADF (Bad file descriptor) [pid 3936] close(27) = -1 EBADF (Bad file descriptor) [pid 3936] close(28) = -1 EBADF (Bad file descriptor) [pid 3936] close(29) = -1 EBADF (Bad file descriptor) [pid 3936] exit_group(0) = ? [pid 3936] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./31/binderfs") = 0 [pid 3613] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./31/cgroup") = 0 [pid 3613] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./31/cgroup.net") = 0 [pid 3613] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./31/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./31") = 0 [pid 3613] mkdir("./32", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 34 ./strace-static-x86_64: Process 3940 attached [pid 3940] chdir("./32") = 0 [pid 3940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3940] setpgid(0, 0) = 0 [pid 3940] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3940] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3940] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3940] write(3, "1000", 4) = 4 [pid 3940] close(3) = 0 [pid 3940] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3940] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3940] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3940] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3940] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3938] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 144.168766][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f33d000: rx timeout, send abort [ 144.177207][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880754ac800: rx timeout, send abort [pid 3938] close(3 [pid 3939] <... sendmsg resumed>) = 106496 [pid 3939] close(3 [pid 3938] <... close resumed>) = 0 [pid 3938] close(4) = -1 EBADF (Bad file descriptor) [pid 3938] close(5) = -1 EBADF (Bad file descriptor) [pid 3938] close(6) = -1 EBADF (Bad file descriptor) [pid 3938] close(7) = -1 EBADF (Bad file descriptor) [pid 3938] close(8) = -1 EBADF (Bad file descriptor) [pid 3938] close(9) = -1 EBADF (Bad file descriptor) [pid 3938] close(10) = -1 EBADF (Bad file descriptor) [pid 3938] close(11) = -1 EBADF (Bad file descriptor) [pid 3938] close(12) = -1 EBADF (Bad file descriptor) [pid 3938] close(13) = -1 EBADF (Bad file descriptor) [pid 3938] close(14) = -1 EBADF (Bad file descriptor) [pid 3938] close(15) = -1 EBADF (Bad file descriptor) [pid 3938] close(16) = -1 EBADF (Bad file descriptor) [pid 3938] close(17) = -1 EBADF (Bad file descriptor) [pid 3938] close(18) = -1 EBADF (Bad file descriptor) [pid 3938] close(19) = -1 EBADF (Bad file descriptor) [pid 3938] close(20) = -1 EBADF (Bad file descriptor) [pid 3938] close(21) = -1 EBADF (Bad file descriptor) [pid 3938] close(22) = -1 EBADF (Bad file descriptor) [ 144.325610][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f33d000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 144.340201][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880754ac800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3938] close(23) = -1 EBADF (Bad file descriptor) [pid 3938] close(24) = -1 EBADF (Bad file descriptor) [pid 3938] close(25) = -1 EBADF (Bad file descriptor) [pid 3938] close(26) = -1 EBADF (Bad file descriptor) [pid 3938] close(27) = -1 EBADF (Bad file descriptor) [pid 3938] close(28) = -1 EBADF (Bad file descriptor) [pid 3938] close(29) = -1 EBADF (Bad file descriptor) [pid 3938] exit_group(0) = ? [pid 3938] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./36/binderfs") = 0 [pid 3616] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./36/cgroup") = 0 [pid 3616] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./36/cgroup.net") = 0 [pid 3616] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./36/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./36") = 0 [pid 3616] mkdir("./37", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3941 attached [pid 3941] chdir("./37" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 39 [pid 3941] <... chdir resumed>) = 0 [pid 3941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3941] setpgid(0, 0) = 0 [pid 3941] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3941] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3941] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3941] write(3, "1000", 4) = 4 [pid 3941] close(3) = 0 [pid 3941] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3941] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3941] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3941] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3941] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3934] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 144.539441][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888020cfec00: rx timeout, send abort [ 144.547877][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888077e52c00: rx timeout, send abort [pid 3934] close(3) = 0 [pid 3934] close(4) = -1 EBADF (Bad file descriptor) [pid 3934] close(5) = -1 EBADF (Bad file descriptor) [pid 3934] close(6) = -1 EBADF (Bad file descriptor) [pid 3934] close(7) = -1 EBADF (Bad file descriptor) [ 144.624477][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888020cfec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 144.639025][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077e52c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3934] close(8) = -1 EBADF (Bad file descriptor) [pid 3934] close(9) = -1 EBADF (Bad file descriptor) [pid 3934] close(10) = -1 EBADF (Bad file descriptor) [pid 3934] close(11) = -1 EBADF (Bad file descriptor) [pid 3934] close(12) = -1 EBADF (Bad file descriptor) [pid 3934] close(13) = -1 EBADF (Bad file descriptor) [pid 3934] close(14) = -1 EBADF (Bad file descriptor) [pid 3934] close(15) = -1 EBADF (Bad file descriptor) [pid 3934] close(16) = -1 EBADF (Bad file descriptor) [pid 3934] close(17) = -1 EBADF (Bad file descriptor) [pid 3934] close(18) = -1 EBADF (Bad file descriptor) [pid 3934] close(19) = -1 EBADF (Bad file descriptor) [pid 3934] close(20) = -1 EBADF (Bad file descriptor) [pid 3934] close(21) = -1 EBADF (Bad file descriptor) [pid 3934] close(22) = -1 EBADF (Bad file descriptor) [pid 3934] close(23) = -1 EBADF (Bad file descriptor) [pid 3934] close(24) = -1 EBADF (Bad file descriptor) [pid 3934] close(25) = -1 EBADF (Bad file descriptor) [pid 3934] close(26) = -1 EBADF (Bad file descriptor) [pid 3934] close(27) = -1 EBADF (Bad file descriptor) [pid 3934] close(28) = -1 EBADF (Bad file descriptor) [pid 3934] close(29) = -1 EBADF (Bad file descriptor) [pid 3934] exit_group(0) = ? [pid 3934] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./40/binderfs") = 0 [pid 3618] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./40/cgroup") = 0 [pid 3618] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./40/cgroup.net") = 0 [pid 3618] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./40/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./40") = 0 [pid 3618] mkdir("./41", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3942 attached [pid 3942] chdir("./41" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 43 [pid 3942] <... chdir resumed>) = 0 [pid 3942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3942] setpgid(0, 0) = 0 [pid 3942] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3942] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3942] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3942] write(3, "1000", 4) = 4 [pid 3942] close(3) = 0 [pid 3942] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3942] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3942] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3942] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3942] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3933] <... sendmsg resumed>) = 106496 [pid 3933] close(3 [pid 3939] <... close resumed>) = 0 [pid 3939] close(4) = -1 EBADF (Bad file descriptor) [pid 3939] close(5) = -1 EBADF (Bad file descriptor) [pid 3939] close(6) = -1 EBADF (Bad file descriptor) [pid 3939] close(7) = -1 EBADF (Bad file descriptor) [pid 3939] close(8) = -1 EBADF (Bad file descriptor) [pid 3939] close(9) = -1 EBADF (Bad file descriptor) [pid 3939] close(10) = -1 EBADF (Bad file descriptor) [pid 3939] close(11) = -1 EBADF (Bad file descriptor) [pid 3939] close(12) = -1 EBADF (Bad file descriptor) [pid 3939] close(13) = -1 EBADF (Bad file descriptor) [pid 3939] close(14) = -1 EBADF (Bad file descriptor) [pid 3939] close(15) = -1 EBADF (Bad file descriptor) [pid 3939] close(16) = -1 EBADF (Bad file descriptor) [pid 3939] close(17) = -1 EBADF (Bad file descriptor) [pid 3939] close(18) = -1 EBADF (Bad file descriptor) [pid 3939] close(19) = -1 EBADF (Bad file descriptor) [pid 3939] close(20) = -1 EBADF (Bad file descriptor) [pid 3939] close(21) = -1 EBADF (Bad file descriptor) [pid 3939] close(22) = -1 EBADF (Bad file descriptor) [pid 3939] close(23) = -1 EBADF (Bad file descriptor) [pid 3939] close(24) = -1 EBADF (Bad file descriptor) [pid 3939] close(25) = -1 EBADF (Bad file descriptor) [pid 3939] close(26) = -1 EBADF (Bad file descriptor) [pid 3939] close(27) = -1 EBADF (Bad file descriptor) [pid 3939] close(28) = -1 EBADF (Bad file descriptor) [pid 3939] close(29) = -1 EBADF (Bad file descriptor) [pid 3939] exit_group(0) = ? [pid 3939] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3620] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3941] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3941] close(3 [pid 3620] <... openat resumed>) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./35/binderfs") = 0 [pid 3620] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./35/cgroup") = 0 [pid 3620] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./35/cgroup.net") = 0 [pid 3620] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./35/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [ 145.532253][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888076f07400: rx timeout, send abort [ 145.540652][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e646400: rx timeout, send abort [pid 3620] close(3) = 0 [pid 3620] rmdir("./35") = 0 [pid 3620] mkdir("./36", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 38 [pid 3941] <... close resumed>) = 0 [pid 3941] close(4) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3943 attached [pid 3941] close(5) = -1 EBADF (Bad file descriptor) [pid 3941] close(6) = -1 EBADF (Bad file descriptor) [pid 3941] close(7) = -1 EBADF (Bad file descriptor) [pid 3941] close(8) = -1 EBADF (Bad file descriptor) [pid 3941] close(9) = -1 EBADF (Bad file descriptor) [pid 3941] close(10) = -1 EBADF (Bad file descriptor) [pid 3941] close(11 [pid 3943] chdir("./36" [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] close(12) = -1 EBADF (Bad file descriptor) [pid 3943] <... chdir resumed>) = 0 [pid 3941] close(13) = -1 EBADF (Bad file descriptor) [pid 3941] close(14 [pid 3943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] <... prctl resumed>) = 0 [pid 3941] close(15) = -1 EBADF (Bad file descriptor) [pid 3941] close(16) = -1 EBADF (Bad file descriptor) [pid 3941] close(17) = -1 EBADF (Bad file descriptor) [pid 3941] close(18) = -1 EBADF (Bad file descriptor) [pid 3941] close(19) = -1 EBADF (Bad file descriptor) [pid 3941] close(20) = -1 EBADF (Bad file descriptor) [pid 3941] close(21 [pid 3943] setpgid(0, 0 [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 145.609779][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076f07400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 145.624359][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e646400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3943] <... setpgid resumed>) = 0 [pid 3941] close(22) = -1 EBADF (Bad file descriptor) [pid 3941] close(23) = -1 EBADF (Bad file descriptor) [pid 3941] close(24) = -1 EBADF (Bad file descriptor) [pid 3941] close(25 [pid 3943] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] close(26) = -1 EBADF (Bad file descriptor) [pid 3941] close(27 [pid 3943] <... symlink resumed>) = 0 [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] close(28 [pid 3943] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] close(29) = -1 EBADF (Bad file descriptor) [pid 3941] exit_group(0 [pid 3943] <... symlink resumed>) = 0 [pid 3941] <... exit_group resumed>) = ? [pid 3943] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3941] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3943] <... symlink resumed>) = 0 [pid 3943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3943] <... openat resumed>) = 3 [pid 3616] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3943] write(3, "1000", 4 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./37/binderfs") = 0 [pid 3616] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./37/cgroup" [pid 3943] <... write resumed>) = 4 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3943] close(3 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3943] <... close resumed>) = 0 [pid 3616] unlink("./37/cgroup.net") = 0 [pid 3616] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3943] symlink("/dev/binderfs", "./binderfs" [pid 3616] lstat("./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./37/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./37") = 0 [pid 3616] mkdir("./38", 0777 [pid 3943] <... symlink resumed>) = 0 [pid 3616] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3943] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 40 ./strace-static-x86_64: Process 3944 attached [pid 3943] <... socket resumed>) = 3 [pid 3944] chdir("./38" [pid 3943] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3944] <... chdir resumed>) = 0 [pid 3943] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3943] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3944] <... prctl resumed>) = 0 [pid 3943] <... bind resumed>) = 0 [pid 3944] setpgid(0, 0 [pid 3943] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3944] <... setpgid resumed>) = 0 [pid 3944] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3944] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3944] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3944] write(3, "1000", 4) = 4 [pid 3944] close(3) = 0 [pid 3944] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3944] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3944] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3942] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3944] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3942] close(3 [pid 3944] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 145.909232][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888066522800: rx timeout, send abort [ 145.917931][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888017464400: rx timeout, send abort [pid 3944] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3937] <... sendmsg resumed>) = 106496 [pid 3937] close(3 [pid 3942] <... close resumed>) = 0 [pid 3942] close(4) = -1 EBADF (Bad file descriptor) [pid 3942] close(5) = -1 EBADF (Bad file descriptor) [pid 3942] close(6) = -1 EBADF (Bad file descriptor) [pid 3942] close(7) = -1 EBADF (Bad file descriptor) [pid 3942] close(8) = -1 EBADF (Bad file descriptor) [pid 3942] close(9) = -1 EBADF (Bad file descriptor) [ 146.420632][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888066522800: abort rx timeout. Force session deactivation [ 146.446441][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888017464400: abort rx timeout. Force session deactivation [pid 3942] close(10) = -1 EBADF (Bad file descriptor) [pid 3942] close(11) = -1 EBADF (Bad file descriptor) [pid 3942] close(12) = -1 EBADF (Bad file descriptor) [pid 3942] close(13) = -1 EBADF (Bad file descriptor) [pid 3942] close(14) = -1 EBADF (Bad file descriptor) [pid 3942] close(15) = -1 EBADF (Bad file descriptor) [pid 3942] close(16) = -1 EBADF (Bad file descriptor) [pid 3942] close(17) = -1 EBADF (Bad file descriptor) [pid 3942] close(18) = -1 EBADF (Bad file descriptor) [pid 3942] close(19) = -1 EBADF (Bad file descriptor) [pid 3942] close(20) = -1 EBADF (Bad file descriptor) [pid 3942] close(21) = -1 EBADF (Bad file descriptor) [pid 3942] close(22) = -1 EBADF (Bad file descriptor) [pid 3942] close(23) = -1 EBADF (Bad file descriptor) [pid 3942] close(24) = -1 EBADF (Bad file descriptor) [pid 3942] close(25) = -1 EBADF (Bad file descriptor) [pid 3942] close(26) = -1 EBADF (Bad file descriptor) [pid 3942] close(27) = -1 EBADF (Bad file descriptor) [pid 3942] close(28) = -1 EBADF (Bad file descriptor) [pid 3942] close(29) = -1 EBADF (Bad file descriptor) [pid 3942] exit_group(0) = ? [pid 3942] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./41/binderfs") = 0 [pid 3618] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./41/cgroup") = 0 [pid 3618] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./41/cgroup.net") = 0 [pid 3618] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] kill(-41, SIGKILL [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... kill resumed>) = 0 [pid 3618] lstat("./41/cgroup.cpu", [pid 3619] kill(41, SIGKILL [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... kill resumed>) = 0 [pid 3618] unlink("./41/cgroup.cpu") = 0 [pid 3933] <... close resumed>) = ? [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./41") = 0 [pid 3618] mkdir("./42", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3945 attached [pid 3933] +++ killed by SIGKILL +++ [pid 3945] chdir("./42" [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=41, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 44 [pid 3945] <... chdir resumed>) = 0 [pid 3945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3945] setpgid(0, 0) = 0 [pid 3945] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3619] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3945] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3945] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3619] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3945] <... symlink resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3945] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3619] fstat(3, [pid 3945] <... symlink resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] getdents64(3, [pid 3945] <... openat resumed>) = 3 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3945] write(3, "1000", 4 [pid 3619] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3945] <... write resumed>) = 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3945] close(3 [pid 3619] lstat("./39/binderfs", [pid 3945] <... close resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3945] symlink("/dev/binderfs", "./binderfs" [pid 3619] unlink("./39/binderfs" [pid 3945] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3945] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3945] <... socket resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3945] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3619] lstat("./39/cgroup", [pid 3945] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3945] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] unlink("./39/cgroup" [pid 3945] <... bind resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3945] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./39/cgroup.net") = 0 [pid 3619] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./39/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./39") = 0 [pid 3619] mkdir("./40", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 42 ./strace-static-x86_64: Process 3946 attached [pid 3943] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 146.744776][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888074d48c00: rx timeout, send abort [ 146.753215][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888079a8f800: rx timeout, send abort [pid 3946] chdir("./40" [pid 3943] close(3 [pid 3946] <... chdir resumed>) = 0 [pid 3946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3943] <... close resumed>) = 0 [pid 3946] <... prctl resumed>) = 0 [ 146.781078][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074d48c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 146.795648][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888079a8f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3943] close(4) = -1 EBADF (Bad file descriptor) [pid 3944] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3944] close(3 [pid 3943] close(5) = -1 EBADF (Bad file descriptor) [pid 3943] close(6) = -1 EBADF (Bad file descriptor) [pid 3946] setpgid(0, 0) = 0 [pid 3943] close(7 [ 146.853174][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888078876c00: rx timeout, send abort [ 146.861590][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888025fee400: rx timeout, send abort [pid 3946] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] <... symlink resumed>) = 0 [pid 3943] close(8 [pid 3946] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(9 [pid 3946] <... symlink resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3943] close(10 [pid 3946] <... symlink resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3943] close(11 [pid 3946] <... openat resumed>) = 3 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] write(3, "1000", 4 [pid 3943] close(12 [pid 3946] <... write resumed>) = 4 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] close(3 [pid 3943] close(13 [pid 3946] <... close resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] symlink("/dev/binderfs", "./binderfs" [pid 3943] close(14 [pid 3946] <... symlink resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3943] close(15 [pid 3946] <... socket resumed>) = 3 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3943] close(16 [pid 3946] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3944] <... close resumed>) = 0 [pid 3943] close(17 [pid 3946] <... bind resumed>) = 0 [pid 3944] close(4 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3946] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(18 [pid 3944] close(5 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(19 [pid 3944] close(6 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(20 [pid 3944] close(7 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(21 [pid 3944] close(8 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(22 [pid 3944] close(9 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(23 [pid 3944] close(10 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(24 [pid 3944] close(11 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(25 [pid 3944] close(12 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(26 [pid 3944] close(13 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(27 [pid 3944] close(14 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(28 [pid 3944] close(15 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(29 [pid 3944] close(16 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] exit_group(0 [pid 3944] close(17 [pid 3943] <... exit_group resumed>) = ? [pid 3944] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] +++ exited with 0 +++ [pid 3944] close(18) = -1 EBADF (Bad file descriptor) [pid 3944] close(19) = -1 EBADF (Bad file descriptor) [pid 3944] close(20) = -1 EBADF (Bad file descriptor) [pid 3944] close(21) = -1 EBADF (Bad file descriptor) [pid 3944] close(22) = -1 EBADF (Bad file descriptor) [pid 3944] close(23) = -1 EBADF (Bad file descriptor) [pid 3944] close(24) = -1 EBADF (Bad file descriptor) [pid 3944] close(25) = -1 EBADF (Bad file descriptor) [pid 3944] close(26) = -1 EBADF (Bad file descriptor) [pid 3944] close(27) = -1 EBADF (Bad file descriptor) [pid 3944] close(28) = -1 EBADF (Bad file descriptor) [pid 3944] close(29) = -1 EBADF (Bad file descriptor) [pid 3944] exit_group(0) = ? [pid 3944] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 146.939379][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888078876c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 146.953957][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888025fee400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3616] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] <... openat resumed>) = 3 [pid 3620] fstat(3, [pid 3616] fstat(3, [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 3616] getdents64(3, [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./38/binderfs", [pid 3620] lstat("./36/binderfs", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./38/binderfs" [pid 3620] unlink("./36/binderfs" [pid 3616] <... unlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3616] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./36/cgroup", [pid 3616] lstat("./38/cgroup", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./36/cgroup" [pid 3616] unlink("./38/cgroup" [pid 3620] <... unlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./36/cgroup.net", [pid 3616] lstat("./38/cgroup.net", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./36/cgroup.net" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3616] unlink("./38/cgroup.net" [pid 3620] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] lstat("./36/cgroup.cpu", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./38/cgroup.cpu", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./36/cgroup.cpu" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3616] unlink("./38/cgroup.cpu" [pid 3620] getdents64(3, [pid 3616] <... unlink resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3 [pid 3616] getdents64(3, [pid 3620] <... close resumed>) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] rmdir("./36" [pid 3616] close(3 [pid 3620] <... rmdir resumed>) = 0 [pid 3616] <... close resumed>) = 0 [pid 3616] rmdir("./38" [pid 3620] mkdir("./37", 0777 [pid 3616] <... rmdir resumed>) = 0 [pid 3616] mkdir("./39", 0777 [pid 3620] <... mkdir resumed>) = 0 [pid 3616] <... mkdir resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3947 attached [pid 3947] chdir("./37") = 0 [pid 3947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3947] setpgid(0, 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 41 ./strace-static-x86_64: Process 3948 attached [pid 3947] <... setpgid resumed>) = 0 [pid 3948] chdir("./39" [pid 3947] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 39 [pid 3948] <... chdir resumed>) = 0 [pid 3948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3948] setpgid(0, 0 [pid 3947] <... symlink resumed>) = 0 [pid 3948] <... setpgid resumed>) = 0 [pid 3947] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3948] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3947] <... symlink resumed>) = 0 [pid 3947] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3948] <... symlink resumed>) = 0 [pid 3948] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3947] <... symlink resumed>) = 0 [pid 3948] <... symlink resumed>) = 0 [pid 3948] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3947] write(3, "1000", 4) = 4 [pid 3947] close(3) = 0 [pid 3947] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3947] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3947] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3947] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3947] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3948] write(3, "1000", 4) = 4 [pid 3948] close(3) = 0 [pid 3948] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3948] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3948] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3948] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3948] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3940] <... sendmsg resumed>) = 106496 [pid 3940] close(3 [pid 3617] kill(-30, SIGKILL [pid 3937] <... close resumed>) = ? [pid 3617] <... kill resumed>) = 0 [pid 3937] +++ killed by SIGKILL +++ [pid 3617] kill(30, SIGKILL) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=30, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3617] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./28/binderfs") = 0 [pid 3617] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./28/cgroup") = 0 [pid 3617] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./28/cgroup.net") = 0 [pid 3617] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./28/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./28") = 0 [pid 3617] mkdir("./29", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3949 attached [pid 3949] chdir("./29" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 31 [pid 3949] <... chdir resumed>) = 0 [pid 3949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3949] setpgid(0, 0) = 0 [pid 3949] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3949] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3949] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3949] write(3, "1000", 4) = 4 [pid 3949] close(3) = 0 [pid 3949] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3949] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3949] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3949] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3949] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3948] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 147.614237][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888025f5cc00: rx timeout, send abort [ 147.642076][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888025f5cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3948] close(3) = 0 [pid 3948] close(4) = -1 EBADF (Bad file descriptor) [pid 3948] close(5) = -1 EBADF (Bad file descriptor) [pid 3948] close(6) = -1 EBADF (Bad file descriptor) [pid 3948] close(7) = -1 EBADF (Bad file descriptor) [pid 3948] close(8) = -1 EBADF (Bad file descriptor) [pid 3948] close(9) = -1 EBADF (Bad file descriptor) [pid 3948] close(10) = -1 EBADF (Bad file descriptor) [pid 3948] close(11) = -1 EBADF (Bad file descriptor) [pid 3948] close(12) = -1 EBADF (Bad file descriptor) [pid 3948] close(13) = -1 EBADF (Bad file descriptor) [pid 3948] close(14) = -1 EBADF (Bad file descriptor) [pid 3948] close(15) = -1 EBADF (Bad file descriptor) [pid 3948] close(16) = -1 EBADF (Bad file descriptor) [pid 3948] close(17) = -1 EBADF (Bad file descriptor) [pid 3948] close(18) = -1 EBADF (Bad file descriptor) [pid 3948] close(19) = -1 EBADF (Bad file descriptor) [pid 3948] close(20) = -1 EBADF (Bad file descriptor) [pid 3948] close(21) = -1 EBADF (Bad file descriptor) [pid 3948] close(22) = -1 EBADF (Bad file descriptor) [pid 3948] close(23) = -1 EBADF (Bad file descriptor) [pid 3948] close(24) = -1 EBADF (Bad file descriptor) [pid 3948] close(25) = -1 EBADF (Bad file descriptor) [pid 3948] close(26) = -1 EBADF (Bad file descriptor) [pid 3948] close(27) = -1 EBADF (Bad file descriptor) [pid 3948] close(28) = -1 EBADF (Bad file descriptor) [pid 3948] close(29) = -1 EBADF (Bad file descriptor) [pid 3948] exit_group(0) = ? [pid 3948] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./39/binderfs") = 0 [pid 3616] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./39/cgroup") = 0 [pid 3616] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./39/cgroup.net") = 0 [pid 3616] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./39/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./39") = 0 [pid 3616] mkdir("./40", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3950 attached [pid 3950] chdir("./40") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 42 [pid 3950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3950] setpgid(0, 0) = 0 [pid 3950] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3950] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3950] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3950] write(3, "1000", 4) = 4 [pid 3950] close(3) = 0 [pid 3950] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3950] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [ 147.656631][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077841800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3950] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3950] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3950] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3945] <... sendmsg resumed>) = 106496 [ 147.895456][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801e602800: rx timeout, send abort [pid 3945] close(3 [pid 3946] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3946] close(3) = 0 [pid 3946] close(4) = -1 EBADF (Bad file descriptor) [pid 3946] close(5) = -1 EBADF (Bad file descriptor) [pid 3946] close(6) = -1 EBADF (Bad file descriptor) [pid 3946] close(7) = -1 EBADF (Bad file descriptor) [pid 3946] close(8) = -1 EBADF (Bad file descriptor) [pid 3946] close(9) = -1 EBADF (Bad file descriptor) [pid 3946] close(10) = -1 EBADF (Bad file descriptor) [pid 3946] close(11) = -1 EBADF (Bad file descriptor) [pid 3946] close(12) = -1 EBADF (Bad file descriptor) [pid 3946] close(13) = -1 EBADF (Bad file descriptor) [pid 3946] close(14) = -1 EBADF (Bad file descriptor) [pid 3946] close(15) = -1 EBADF (Bad file descriptor) [pid 3946] close(16) = -1 EBADF (Bad file descriptor) [pid 3946] close(17) = -1 EBADF (Bad file descriptor) [pid 3946] close(18) = -1 EBADF (Bad file descriptor) [pid 3946] close(19) = -1 EBADF (Bad file descriptor) [pid 3946] close(20) = -1 EBADF (Bad file descriptor) [pid 3946] close(21) = -1 EBADF (Bad file descriptor) [pid 3946] close(22) = -1 EBADF (Bad file descriptor) [pid 3946] close(23) = -1 EBADF (Bad file descriptor) [pid 3946] close(24) = -1 EBADF (Bad file descriptor) [pid 3946] close(25) = -1 EBADF (Bad file descriptor) [pid 3946] close(26) = -1 EBADF (Bad file descriptor) [pid 3946] close(27) = -1 EBADF (Bad file descriptor) [pid 3946] close(28) = -1 EBADF (Bad file descriptor) [pid 3946] close(29) = -1 EBADF (Bad file descriptor) [pid 3946] exit_group(0) = ? [pid 3946] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 148.003561][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807ad2f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 148.018056][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807bbcb400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./40/binderfs") = 0 [pid 3619] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./40/cgroup") = 0 [pid 3619] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 148.116460][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807057a400: rx timeout, send abort [pid 3619] unlink("./40/cgroup.net") = 0 [pid 3619] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./40/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./40" [pid 3949] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3947] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3619] <... rmdir resumed>) = 0 [ 148.166870][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880662b5400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 148.181348][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065f4bc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 148.195975][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807a60a800: rx timeout, send abort [ 148.204347][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888077841400: rx timeout, send abort [pid 3949] close(3 [pid 3947] close(3 [pid 3619] mkdir("./41", 0777 [pid 3949] <... close resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3949] close(4 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = 0 [pid 3947] close(4) = -1 EBADF (Bad file descriptor) [pid 3947] close(5) = -1 EBADF (Bad file descriptor) [pid 3947] close(6) = -1 EBADF (Bad file descriptor) [pid 3947] close(7) = -1 EBADF (Bad file descriptor) [pid 3947] close(8) = -1 EBADF (Bad file descriptor) [pid 3947] close(9) = -1 EBADF (Bad file descriptor) [pid 3947] close(10) = -1 EBADF (Bad file descriptor) [pid 3947] close(11) = -1 EBADF (Bad file descriptor) [pid 3947] close(12) = -1 EBADF (Bad file descriptor) [pid 3947] close(13) = -1 EBADF (Bad file descriptor) [pid 3947] close(14) = -1 EBADF (Bad file descriptor) [pid 3947] close(15) = -1 EBADF (Bad file descriptor) [pid 3947] close(16) = -1 EBADF (Bad file descriptor) [pid 3947] close(17) = -1 EBADF (Bad file descriptor) [pid 3947] close(18) = -1 EBADF (Bad file descriptor) [pid 3947] close(19) = -1 EBADF (Bad file descriptor) [pid 3947] close(20) = -1 EBADF (Bad file descriptor) [pid 3947] close(21) = -1 EBADF (Bad file descriptor) [pid 3947] close(22) = -1 EBADF (Bad file descriptor) [pid 3947] close(23) = -1 EBADF (Bad file descriptor) [pid 3947] close(24) = -1 EBADF (Bad file descriptor) [pid 3947] close(25) = -1 EBADF (Bad file descriptor) [pid 3947] close(26) = -1 EBADF (Bad file descriptor) [pid 3949] close(5 [pid 3947] close(27 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3949] close(6 [pid 3947] close(28 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 43 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3949] close(7 [pid 3947] close(29 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3949] close(8 [pid 3947] exit_group(0 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3947] <... exit_group resumed>) = ? [pid 3949] close(9 [pid 3947] +++ exited with 0 +++ [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3949] close(10) = -1 EBADF (Bad file descriptor) [pid 3949] close(11 [pid 3620] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3949] close(12 [pid 3620] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... openat resumed>) = 3 [pid 3949] close(13 [pid 3620] fstat(3, [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3949] close(14 [pid 3620] getdents64(3, [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3949] close(15 [pid 3620] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3949] close(16 [pid 3620] lstat("./37/binderfs", [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3949] close(17 [pid 3620] unlink("./37/binderfs" [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3949] close(18 [pid 3620] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3951 attached [pid 3949] close(19 [pid 3620] lstat("./37/cgroup", [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3949] close(20 [pid 3620] unlink("./37/cgroup" [pid 3951] chdir("./41" [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3949] close(21 [pid 3620] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3949] close(22 [pid 3620] lstat("./37/cgroup.net", [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3951] <... chdir resumed>) = 0 [pid 3949] close(23 [pid 3620] unlink("./37/cgroup.net" [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3949] close(24 [pid 3620] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3949] close(25 [pid 3620] lstat("./37/cgroup.cpu", [pid 3951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3949] close(26 [pid 3620] unlink("./37/cgroup.cpu" [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3949] close(27 [pid 3620] <... unlink resumed>) = 0 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3949] close(28 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] close(3 [pid 3949] close(29 [pid 3620] <... close resumed>) = 0 [pid 3949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] rmdir("./37" [pid 3949] exit_group(0 [pid 3951] <... prctl resumed>) = 0 [pid 3949] <... exit_group resumed>) = ? [ 148.223976][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a60a800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 148.238522][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077841400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] <... rmdir resumed>) = 0 [pid 3951] setpgid(0, 0 [pid 3949] +++ exited with 0 +++ [pid 3620] mkdir("./38", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 3952 attached [pid 3617] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] chdir("./38" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 40 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] <... chdir resumed>) = 0 [pid 3617] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... openat resumed>) = 3 [pid 3952] <... prctl resumed>) = 0 [pid 3951] <... setpgid resumed>) = 0 [pid 3617] fstat(3, [pid 3952] setpgid(0, 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3952] <... setpgid resumed>) = 0 [pid 3951] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3617] getdents64(3, [pid 3952] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3952] <... symlink resumed>) = 0 [pid 3951] <... symlink resumed>) = 0 [pid 3617] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3951] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] <... symlink resumed>) = 0 [pid 3617] lstat("./29/binderfs", [pid 3952] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3952] <... symlink resumed>) = 0 [pid 3951] <... symlink resumed>) = 0 [pid 3617] unlink("./29/binderfs" [pid 3952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3951] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3617] <... unlink resumed>) = 0 [pid 3613] kill(-34, SIGKILL [pid 3952] <... openat resumed>) = 3 [pid 3940] <... close resumed>) = ? [pid 3617] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... kill resumed>) = 0 [pid 3952] write(3, "1000", 4 [pid 3951] <... symlink resumed>) = 0 [pid 3940] +++ killed by SIGKILL +++ [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] kill(34, SIGKILL [pid 3952] <... write resumed>) = 4 [pid 3617] lstat("./29/cgroup", [pid 3613] <... kill resumed>) = 0 [pid 3952] close(3 [pid 3951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=34, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3952] <... close resumed>) = 0 [pid 3617] unlink("./29/cgroup" [pid 3952] symlink("/dev/binderfs", "./binderfs" [pid 3951] <... openat resumed>) = 3 [pid 3617] <... unlink resumed>) = 0 [pid 3952] <... symlink resumed>) = 0 [pid 3617] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] <... socket resumed>) = 3 [pid 3617] lstat("./29/cgroup.net", [pid 3613] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3952] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3952] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] unlink("./29/cgroup.net" [pid 3613] fstat(3, [pid 3952] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] <... unlink resumed>) = 0 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3952] <... bind resumed>) = 0 [pid 3617] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] getdents64(3, [pid 3952] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3951] write(3, "1000", 4 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] lstat("./29/cgroup.cpu", [pid 3613] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] unlink("./29/cgroup.cpu" [pid 3613] lstat("./32/binderfs", [pid 3617] <... unlink resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] getdents64(3, [pid 3613] unlink("./32/binderfs" [pid 3951] <... write resumed>) = 4 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3617] close(3 [pid 3613] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... close resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] rmdir("./29" [pid 3613] lstat("./32/cgroup", [pid 3951] close(3 [pid 3617] <... rmdir resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3951] <... close resumed>) = 0 [pid 3617] mkdir("./30", 0777 [pid 3613] unlink("./32/cgroup" [pid 3617] <... mkdir resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 3953 attached [pid 3951] symlink("/dev/binderfs", "./binderfs" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3953] chdir("./30" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 32 [pid 3613] lstat("./32/cgroup.net", [pid 3953] <... chdir resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] unlink("./32/cgroup.net" [pid 3953] <... prctl resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3953] setpgid(0, 0 [pid 3613] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3953] <... setpgid resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3953] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3613] lstat("./32/cgroup.cpu", [pid 3953] <... symlink resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3953] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3613] unlink("./32/cgroup.cpu" [pid 3953] <... symlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3953] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3613] getdents64(3, [pid 3953] <... symlink resumed>) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] close(3 [pid 3953] <... openat resumed>) = 3 [pid 3613] <... close resumed>) = 0 [pid 3953] write(3, "1000", 4 [pid 3951] <... symlink resumed>) = 0 [pid 3613] rmdir("./32" [pid 3953] <... write resumed>) = 4 [pid 3951] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] <... rmdir resumed>) = 0 [pid 3953] close(3 [pid 3951] <... socket resumed>) = 3 [pid 3613] mkdir("./33", 0777 [pid 3953] <... close resumed>) = 0 [pid 3951] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] <... mkdir resumed>) = 0 [pid 3953] symlink("/dev/binderfs", "./binderfs" [pid 3951] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3954 attached [pid 3953] <... symlink resumed>) = 0 [pid 3951] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3954] chdir("./33" [pid 3953] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3951] <... bind resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 35 [pid 3954] <... chdir resumed>) = 0 [pid 3953] <... socket resumed>) = 3 [pid 3951] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3953] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3954] <... prctl resumed>) = 0 [pid 3953] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3954] setpgid(0, 0 [pid 3953] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3954] <... setpgid resumed>) = 0 [ 148.406389][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801e602800: abort rx timeout. Force session deactivation [pid 3953] <... bind resumed>) = 0 [pid 3954] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3953] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3954] <... symlink resumed>) = 0 [pid 3954] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3954] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3954] write(3, "1000", 4) = 4 [pid 3954] close(3) = 0 [pid 3954] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3954] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3954] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3954] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 148.634145][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807057a400: abort rx timeout. Force session deactivation [pid 3954] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3950] <... sendmsg resumed>) = 106496 [pid 3950] close(3 [pid 3953] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 149.436434][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888075065c00: rx timeout, send abort [ 149.444856][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888075066c00: rx timeout, send abort [pid 3953] close(3) = 0 [pid 3953] close(4) = -1 EBADF (Bad file descriptor) [pid 3953] close(5) = -1 EBADF (Bad file descriptor) [pid 3953] close(6) = -1 EBADF (Bad file descriptor) [pid 3953] close(7) = -1 EBADF (Bad file descriptor) [pid 3953] close(8) = -1 EBADF (Bad file descriptor) [pid 3953] close(9) = -1 EBADF (Bad file descriptor) [pid 3953] close(10) = -1 EBADF (Bad file descriptor) [pid 3953] close(11) = -1 EBADF (Bad file descriptor) [pid 3953] close(12) = -1 EBADF (Bad file descriptor) [pid 3953] close(13) = -1 EBADF (Bad file descriptor) [ 149.513812][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075065c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 149.528351][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075066c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3953] close(14) = -1 EBADF (Bad file descriptor) [pid 3954] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3953] close(15 [pid 3954] close(3 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = 0 [pid 3953] close(16) = -1 EBADF (Bad file descriptor) [pid 3954] close(4) = -1 EBADF (Bad file descriptor) [pid 3953] close(17 [pid 3954] close(5 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.577331][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068e0d400: rx timeout, send abort [ 149.596616][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075292800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 149.611098][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888067305800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(18 [pid 3954] close(6 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(19 [pid 3954] close(7 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(20 [pid 3954] close(8 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(21 [pid 3954] close(9 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(10 [pid 3953] close(22 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(11 [pid 3953] close(23) = -1 EBADF (Bad file descriptor) [pid 3953] close(24 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(12 [pid 3953] close(25) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(26 [pid 3954] close(13 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] close(27 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(14 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(15 [pid 3953] close(28 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(16) = -1 EBADF (Bad file descriptor) [pid 3953] close(29 [pid 3954] close(17 [pid 3953] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(18 [pid 3953] exit_group(0 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3953] <... exit_group resumed>) = ? [pid 3954] close(19) = -1 EBADF (Bad file descriptor) [pid 3953] +++ exited with 0 +++ [pid 3954] close(20 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(21) = -1 EBADF (Bad file descriptor) [pid 3954] close(22 [pid 3617] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3954] close(23 [pid 3617] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... openat resumed>) = 3 [pid 3954] close(24 [pid 3617] fstat(3, [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3954] close(25) = -1 EBADF (Bad file descriptor) [pid 3617] getdents64(3, [pid 3954] close(26 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./30/binderfs" [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3954] close(27 [pid 3617] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3954] close(28 [pid 3617] lstat("./30/cgroup", [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(29 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./30/cgroup" [pid 3954] exit_group(0 [pid 3617] <... unlink resumed>) = 0 [pid 3954] <... exit_group resumed>) = ? [pid 3954] +++ exited with 0 +++ [pid 3617] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./30/cgroup.net") = 0 [pid 3617] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] lstat("./30/cgroup.cpu", [pid 3613] <... openat resumed>) = 3 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] fstat(3, [pid 3617] unlink("./30/cgroup.cpu" [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3613] getdents64(3, [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] close(3 [pid 3613] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... close resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] rmdir("./30" [pid 3613] lstat("./33/binderfs", [pid 3617] <... rmdir resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] mkdir("./31", 0777 [pid 3613] unlink("./33/binderfs" [pid 3617] <... mkdir resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3955 attached [pid 3613] lstat("./33/cgroup", [pid 3955] chdir("./31" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 33 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./33/cgroup" [pid 3955] <... chdir resumed>) = 0 [pid 3955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... unlink resumed>) = 0 [pid 3955] <... prctl resumed>) = 0 [pid 3613] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3955] setpgid(0, 0) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3955] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3613] lstat("./33/cgroup.net", [pid 3955] <... symlink resumed>) = 0 [pid 3955] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3955] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3955] <... symlink resumed>) = 0 [pid 3613] unlink("./33/cgroup.net" [pid 3955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... unlink resumed>) = 0 [pid 3955] <... openat resumed>) = 3 [pid 3613] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3955] write(3, "1000", 4 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3955] <... write resumed>) = 4 [pid 3955] close(3 [pid 3613] lstat("./33/cgroup.cpu", [pid 3955] <... close resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3955] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3613] unlink("./33/cgroup.cpu" [pid 3955] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3613] <... unlink resumed>) = 0 [pid 3955] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] getdents64(3, [pid 3955] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3955] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] close(3 [pid 3955] <... bind resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3955] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] rmdir("./33") = 0 [pid 3613] mkdir("./34", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3956 attached , child_tidptr=0x555556f5d5d0) = 36 [pid 3956] chdir("./34") = 0 [pid 3956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3956] setpgid(0, 0) = 0 [pid 3956] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [ 150.089047][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068e0d400: abort rx timeout. Force session deactivation [pid 3956] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3956] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3956] write(3, "1000", 4) = 4 [pid 3956] close(3) = 0 [pid 3956] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3956] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3956] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3956] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3956] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3950] <... close resumed>) = 0 [pid 3950] close(4) = -1 EBADF (Bad file descriptor) [pid 3950] close(5) = -1 EBADF (Bad file descriptor) [pid 3950] close(6) = -1 EBADF (Bad file descriptor) [pid 3950] close(7) = -1 EBADF (Bad file descriptor) [pid 3950] close(8) = -1 EBADF (Bad file descriptor) [pid 3950] close(9) = -1 EBADF (Bad file descriptor) [pid 3950] close(10) = -1 EBADF (Bad file descriptor) [pid 3950] close(11) = -1 EBADF (Bad file descriptor) [pid 3950] close(12) = -1 EBADF (Bad file descriptor) [pid 3950] close(13) = -1 EBADF (Bad file descriptor) [pid 3950] close(14) = -1 EBADF (Bad file descriptor) [pid 3950] close(15) = -1 EBADF (Bad file descriptor) [pid 3950] close(16) = -1 EBADF (Bad file descriptor) [pid 3950] close(17) = -1 EBADF (Bad file descriptor) [pid 3950] close(18) = -1 EBADF (Bad file descriptor) [pid 3950] close(19) = -1 EBADF (Bad file descriptor) [pid 3950] close(20) = -1 EBADF (Bad file descriptor) [pid 3950] close(21) = -1 EBADF (Bad file descriptor) [pid 3950] close(22) = -1 EBADF (Bad file descriptor) [pid 3950] close(23) = -1 EBADF (Bad file descriptor) [pid 3950] close(24) = -1 EBADF (Bad file descriptor) [pid 3950] close(25) = -1 EBADF (Bad file descriptor) [pid 3950] close(26) = -1 EBADF (Bad file descriptor) [pid 3950] close(27) = -1 EBADF (Bad file descriptor) [pid 3950] close(28) = -1 EBADF (Bad file descriptor) [pid 3950] close(29) = -1 EBADF (Bad file descriptor) [pid 3950] exit_group(0) = ? [pid 3950] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3616] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3945] <... close resumed>) = 0 [pid 3945] close(4) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./40/binderfs" [pid 3945] close(5) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./40/cgroup") = 0 [pid 3945] close(6 [pid 3616] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./40/cgroup.net") = 0 [pid 3945] close(7 [pid 3616] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./40/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./40") = 0 [pid 3616] mkdir("./41", 0777 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3957 attached [pid 3957] chdir("./41" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 43 [pid 3957] <... chdir resumed>) = 0 [pid 3957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3957] setpgid(0, 0) = 0 [pid 3957] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3957] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3945] close(8 [pid 3957] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] <... symlink resumed>) = 0 [pid 3945] close(9 [pid 3957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] <... openat resumed>) = 3 [pid 3957] write(3, "1000", 4) = 4 [pid 3957] close(3) = 0 [pid 3945] close(10 [pid 3957] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3957] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3945] close(11 [pid 3957] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3957] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3945] close(12) = -1 EBADF (Bad file descriptor) [pid 3955] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 151.009507][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880738ee000: rx timeout, send abort [ 151.017914][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069a70400: rx timeout, send abort [ 151.035846][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880738ee000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3955] close(3 [pid 3945] close(13 [pid 3955] <... close resumed>) = 0 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(4 [pid 3945] close(14) = -1 EBADF (Bad file descriptor) [pid 3945] close(15 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(5 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] close(16 [pid 3955] close(6 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 151.050358][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069a70400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] close(17 [pid 3955] close(7 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] close(18 [pid 3955] close(8 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] close(19 [pid 3955] close(9 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] close(20 [pid 3955] close(10 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] close(21 [pid 3955] close(11 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] close(22 [pid 3955] close(12) = -1 EBADF (Bad file descriptor) [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(13 [pid 3945] close(23 [pid 3956] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 151.169578][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069906c00: rx timeout, send abort [ 151.177994][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d094000: rx timeout, send abort [ 151.197799][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069906c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3956] close(3 [pid 3955] close(14 [pid 3945] close(24 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = 0 [pid 3945] close(25 [pid 3955] close(15 [pid 3956] close(4 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(16 [pid 3945] close(26 [pid 3956] close(5 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 151.212357][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d094000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3956] close(6 [pid 3955] close(17 [pid 3945] close(27 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(7 [pid 3955] close(18 [pid 3945] close(28) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] close(29 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(19 [pid 3945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(8 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] exit_group(0 [pid 3955] close(20 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3945] <... exit_group resumed>) = ? [pid 3956] close(9 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(21 [pid 3945] +++ exited with 0 +++ [pid 3956] close(10 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(22 [pid 3956] close(11 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(23 [pid 3956] close(12 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(24 [pid 3618] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3956] close(13 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(25 [pid 3618] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3956] close(14 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... openat resumed>) = 3 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(26 [pid 3618] fstat(3, [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3956] close(15 [pid 3955] close(27 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 3956] close(16 [pid 3955] close(28 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3956] close(17 [pid 3955] close(29 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(18 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./42/binderfs", [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] exit_group(0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3956] close(19 [pid 3955] <... exit_group resumed>) = ? [pid 3618] unlink("./42/binderfs" [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] +++ exited with 0 +++ [pid 3618] <... unlink resumed>) = 0 [pid 3956] close(20 [pid 3618] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] close(21) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./42/cgroup", [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3956] close(22 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./42/cgroup" [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 3956] close(23 [pid 3618] <... unlink resumed>) = 0 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... restart_syscall resumed>) = 0 [pid 3956] close(24 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./42/cgroup.net", [pid 3956] close(25 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./42/cgroup.net" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] close(26 [pid 3618] <... unlink resumed>) = 0 [pid 3617] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3952] <... sendmsg resumed>) = 106496 [pid 3618] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... openat resumed>) = 3 [pid 3956] close(27 [pid 3952] close(3 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] fstat(3, [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./42/cgroup.cpu", [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3956] close(28 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] getdents64(3, [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./42/cgroup.cpu" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3956] close(29 [pid 3618] <... unlink resumed>) = 0 [pid 3617] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3956] exit_group(0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] lstat("./31/binderfs", [pid 3956] <... exit_group resumed>) = ? [pid 3618] close(3 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3956] +++ exited with 0 +++ [pid 3618] <... close resumed>) = 0 [pid 3617] unlink("./31/binderfs" [pid 3618] rmdir("./42" [pid 3617] <... unlink resumed>) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3617] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] mkdir("./43", 0777 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... mkdir resumed>) = 0 [pid 3617] lstat("./31/cgroup", [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 3958 attached [pid 3617] unlink("./31/cgroup" [pid 3958] chdir("./43" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 45 [pid 3617] <... unlink resumed>) = 0 [pid 3958] <... chdir resumed>) = 0 [pid 3617] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3958] <... prctl resumed>) = 0 [pid 3617] lstat("./31/cgroup.net", [pid 3958] setpgid(0, 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3958] <... setpgid resumed>) = 0 [pid 3617] unlink("./31/cgroup.net" [pid 3958] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3617] <... unlink resumed>) = 0 [pid 3958] <... symlink resumed>) = 0 [pid 3617] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3958] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3958] <... symlink resumed>) = 0 [pid 3617] lstat("./31/cgroup.cpu", [pid 3613] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3958] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3958] <... symlink resumed>) = 0 [pid 3617] unlink("./31/cgroup.cpu" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... unlink resumed>) = 0 [pid 3613] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3958] <... openat resumed>) = 3 [pid 3617] getdents64(3, [pid 3958] write(3, "1000", 4 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3958] <... write resumed>) = 4 [pid 3617] close(3 [pid 3613] fstat(3, [pid 3958] close(3 [pid 3617] <... close resumed>) = 0 [pid 3958] <... close resumed>) = 0 [pid 3617] rmdir("./31" [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3958] symlink("/dev/binderfs", "./binderfs" [pid 3617] <... rmdir resumed>) = 0 [pid 3613] getdents64(3, [pid 3958] <... symlink resumed>) = 0 [pid 3617] mkdir("./32", 0777 [pid 3958] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] <... mkdir resumed>) = 0 [pid 3958] <... socket resumed>) = 3 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3959 attached [pid 3958] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3959] chdir("./32" [pid 3958] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 34 [pid 3959] <... chdir resumed>) = 0 [pid 3958] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3958] <... bind resumed>) = 0 [pid 3613] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3959] <... prctl resumed>) = 0 [pid 3958] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3959] setpgid(0, 0 [pid 3613] lstat("./34/binderfs", [pid 3959] <... setpgid resumed>) = 0 [pid 3959] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3959] <... symlink resumed>) = 0 [pid 3959] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3959] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] unlink("./34/binderfs" [pid 3959] <... openat resumed>) = 3 [pid 3959] write(3, "1000", 4) = 4 [pid 3959] close(3) = 0 [pid 3959] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3959] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3613] <... unlink resumed>) = 0 [pid 3959] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3613] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3959] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3959] <... bind resumed>) = 0 [pid 3613] lstat("./34/cgroup", [pid 3959] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./34/cgroup") = 0 [pid 3613] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./34/cgroup.net") = 0 [pid 3613] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./34/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./34") = 0 [pid 3613] mkdir("./35", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3960 attached [pid 3960] chdir("./35" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 37 [pid 3960] <... chdir resumed>) = 0 [pid 3960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3960] setpgid(0, 0) = 0 [pid 3960] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3960] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3960] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3960] write(3, "1000", 4) = 4 [pid 3960] close(3) = 0 [pid 3960] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3960] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3960] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3960] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3960] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3951] <... sendmsg resumed>) = 106496 [pid 3951] close(3 [pid 3959] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 151.932623][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a639c00: rx timeout, send abort [pid 3959] close(3) = 0 [pid 3959] close(4) = -1 EBADF (Bad file descriptor) [pid 3959] close(5) = -1 EBADF (Bad file descriptor) [pid 3959] close(6) = -1 EBADF (Bad file descriptor) [pid 3959] close(7) = -1 EBADF (Bad file descriptor) [pid 3959] close(8) = -1 EBADF (Bad file descriptor) [pid 3959] close(9) = -1 EBADF (Bad file descriptor) [pid 3959] close(10) = -1 EBADF (Bad file descriptor) [pid 3959] close(11) = -1 EBADF (Bad file descriptor) [pid 3959] close(12) = -1 EBADF (Bad file descriptor) [pid 3959] close(13) = -1 EBADF (Bad file descriptor) [pid 3959] close(14) = -1 EBADF (Bad file descriptor) [pid 3959] close(15) = -1 EBADF (Bad file descriptor) [pid 3959] close(16) = -1 EBADF (Bad file descriptor) [pid 3959] close(17) = -1 EBADF (Bad file descriptor) [pid 3959] close(18) = -1 EBADF (Bad file descriptor) [pid 3959] close(19) = -1 EBADF (Bad file descriptor) [pid 3959] close(20) = -1 EBADF (Bad file descriptor) [pid 3959] close(21) = -1 EBADF (Bad file descriptor) [pid 3959] close(22) = -1 EBADF (Bad file descriptor) [pid 3959] close(23) = -1 EBADF (Bad file descriptor) [ 151.984493][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a639c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 151.999040][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d8f3c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3959] close(24) = -1 EBADF (Bad file descriptor) [pid 3959] close(25) = -1 EBADF (Bad file descriptor) [pid 3959] close(26) = -1 EBADF (Bad file descriptor) [pid 3959] close(27) = -1 EBADF (Bad file descriptor) [pid 3959] close(28) = -1 EBADF (Bad file descriptor) [pid 3959] close(29) = -1 EBADF (Bad file descriptor) [pid 3959] exit_group(0) = ? [pid 3959] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./32/binderfs") = 0 [pid 3617] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./32/cgroup") = 0 [pid 3617] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./32/cgroup.net") = 0 [pid 3617] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./32/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./32") = 0 [pid 3617] mkdir("./33", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3961 attached , child_tidptr=0x555556f5d5d0) = 35 [pid 3961] chdir("./33") = 0 [pid 3961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3961] setpgid(0, 0) = 0 [pid 3961] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3961] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3961] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3961] write(3, "1000", 4) = 4 [pid 3961] close(3) = 0 [pid 3961] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3961] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3961] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3961] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3961] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3957] <... sendmsg resumed>) = 106496 [pid 3957] close(3 [pid 3958] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 152.533189][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806bfc8000: rx timeout, send abort [ 152.541621][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d8f3000: rx timeout, send abort [pid 3958] close(3) = 0 [pid 3958] close(4) = -1 EBADF (Bad file descriptor) [ 152.580007][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bfc8000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 152.594534][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d8f3000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3958] close(5) = -1 EBADF (Bad file descriptor) [pid 3958] close(6) = -1 EBADF (Bad file descriptor) [pid 3958] close(7) = -1 EBADF (Bad file descriptor) [pid 3958] close(8) = -1 EBADF (Bad file descriptor) [pid 3958] close(9) = -1 EBADF (Bad file descriptor) [pid 3958] close(10) = -1 EBADF (Bad file descriptor) [pid 3958] close(11) = -1 EBADF (Bad file descriptor) [pid 3958] close(12) = -1 EBADF (Bad file descriptor) [pid 3958] close(13) = -1 EBADF (Bad file descriptor) [pid 3958] close(14) = -1 EBADF (Bad file descriptor) [pid 3958] close(15) = -1 EBADF (Bad file descriptor) [pid 3958] close(16) = -1 EBADF (Bad file descriptor) [pid 3958] close(17) = -1 EBADF (Bad file descriptor) [pid 3958] close(18) = -1 EBADF (Bad file descriptor) [pid 3958] close(19) = -1 EBADF (Bad file descriptor) [pid 3958] close(20) = -1 EBADF (Bad file descriptor) [pid 3958] close(21) = -1 EBADF (Bad file descriptor) [pid 3958] close(22) = -1 EBADF (Bad file descriptor) [pid 3958] close(23) = -1 EBADF (Bad file descriptor) [pid 3958] close(24) = -1 EBADF (Bad file descriptor) [pid 3958] close(25) = -1 EBADF (Bad file descriptor) [pid 3958] close(26) = -1 EBADF (Bad file descriptor) [pid 3958] close(27) = -1 EBADF (Bad file descriptor) [pid 3958] close(28) = -1 EBADF (Bad file descriptor) [pid 3958] close(29) = -1 EBADF (Bad file descriptor) [pid 3958] exit_group(0) = ? [pid 3958] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./43/binderfs") = 0 [pid 3618] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./43/cgroup") = 0 [pid 3618] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./43/cgroup.net") = 0 [pid 3618] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./43/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./43") = 0 [pid 3618] mkdir("./44", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3962 attached [pid 3962] chdir("./44" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 46 [pid 3962] <... chdir resumed>) = 0 [pid 3962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3962] setpgid(0, 0) = 0 [pid 3962] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3962] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3962] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3962] write(3, "1000", 4) = 4 [pid 3962] close(3) = 0 [pid 3962] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3962] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3962] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3962] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3962] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3961] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 153.174130][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801da8fc00: rx timeout, send abort [ 153.182541][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888021731400: rx timeout, send abort [pid 3961] close(3) = 0 [pid 3961] close(4 [pid 3619] kill(-43, SIGKILL [pid 3961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3961] close(5) = -1 EBADF (Bad file descriptor) [pid 3961] close(6) = -1 EBADF (Bad file descriptor) [pid 3961] close(7) = -1 EBADF (Bad file descriptor) [pid 3961] close(8) = -1 EBADF (Bad file descriptor) [pid 3961] close(9) = -1 EBADF (Bad file descriptor) [pid 3961] close(10) = -1 EBADF (Bad file descriptor) [pid 3961] close(11) = -1 EBADF (Bad file descriptor) [pid 3961] close(12) = -1 EBADF (Bad file descriptor) [pid 3961] close(13) = -1 EBADF (Bad file descriptor) [pid 3961] close(14) = -1 EBADF (Bad file descriptor) [pid 3961] close(15) = -1 EBADF (Bad file descriptor) [pid 3961] close(16) = -1 EBADF (Bad file descriptor) [pid 3961] close(17) = -1 EBADF (Bad file descriptor) [pid 3961] close(18) = -1 EBADF (Bad file descriptor) [pid 3961] close(19) = -1 EBADF (Bad file descriptor) [pid 3961] close(20) = -1 EBADF (Bad file descriptor) [pid 3961] close(21) = -1 EBADF (Bad file descriptor) [pid 3961] close(22) = -1 EBADF (Bad file descriptor) [pid 3961] close(23) = -1 EBADF (Bad file descriptor) [pid 3961] close(24) = -1 EBADF (Bad file descriptor) [pid 3961] close(25) = -1 EBADF (Bad file descriptor) [pid 3961] close(26) = -1 EBADF (Bad file descriptor) [pid 3961] close(27) = -1 EBADF (Bad file descriptor) [pid 3961] close(28) = -1 EBADF (Bad file descriptor) [pid 3961] close(29) = -1 EBADF (Bad file descriptor) [pid 3961] exit_group(0) = ? [pid 3961] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3951] <... close resumed>) = ? [pid 3619] <... kill resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3951] +++ killed by SIGKILL +++ [pid 3617] getdents64(3, [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=43, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./33/binderfs") = 0 [pid 3617] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./33/cgroup") = 0 [pid 3617] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./33/cgroup.net") = 0 [pid 3617] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./33/cgroup.cpu" [pid 3619] kill(43, SIGKILL [pid 3617] <... unlink resumed>) = 0 [pid 3617] getdents64(3, [pid 3619] <... kill resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3619] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] rmdir("./33" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... rmdir resumed>) = 0 [pid 3617] mkdir("./34", 0777 [pid 3619] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] <... mkdir resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3963 attached [pid 3963] chdir("./34" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 36 [pid 3963] <... chdir resumed>) = 0 [pid 3963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3963] setpgid(0, 0) = 0 [pid 3963] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] <... openat resumed>) = 3 [pid 3963] <... symlink resumed>) = 0 [pid 3619] fstat(3, [pid 3963] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3963] <... symlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3963] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3963] write(3, "1000", 4) = 4 [pid 3963] close(3) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3963] symlink("/dev/binderfs", "./binderfs" [pid 3619] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3963] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 153.234034][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801da8fc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 153.248571][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888021731400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3963] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] lstat("./41/binderfs", [pid 3963] <... socket resumed>) = 3 [pid 3963] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3963] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3963] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./41/binderfs") = 0 [pid 3619] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./41/cgroup") = 0 [pid 3620] kill(-40, SIGKILL [pid 3619] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3952] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3952] +++ killed by SIGKILL +++ [pid 3620] kill(40, SIGKILL [pid 3619] lstat("./41/cgroup.net", [pid 3620] <... kill resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=40, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3619] unlink("./41/cgroup.net") = 0 [pid 3620] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] lstat("./41/cgroup.cpu", [pid 3620] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] fstat(3, [pid 3619] unlink("./41/cgroup.cpu" [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3620] getdents64(3, [pid 3619] getdents64(3, [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] close(3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... close resumed>) = 0 [pid 3620] lstat("./38/binderfs", [pid 3619] rmdir("./41" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./38/binderfs" [pid 3619] <... rmdir resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3619] mkdir("./42", 0777 [pid 3620] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3620] lstat("./38/cgroup", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 3964 attached [pid 3620] unlink("./38/cgroup") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 44 [pid 3964] chdir("./42" [pid 3620] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3964] <... chdir resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] lstat("./38/cgroup.net", [pid 3964] <... prctl resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 153.321397][ C1] vxcan1: j1939_tp_txtimer: 0xffff888075066800: tx aborted with unknown reason: -2 [pid 3620] unlink("./38/cgroup.net" [pid 3964] setpgid(0, 0 [pid 3620] <... unlink resumed>) = 0 [pid 3964] <... setpgid resumed>) = 0 [pid 3620] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3964] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./38/cgroup.cpu", [pid 3964] <... symlink resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3964] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3620] unlink("./38/cgroup.cpu") = 0 [pid 3620] getdents64(3, [pid 3964] <... symlink resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3964] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3620] close(3) = 0 [pid 3964] <... symlink resumed>) = 0 [pid 3620] rmdir("./38" [pid 3964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] <... rmdir resumed>) = 0 [pid 3964] <... openat resumed>) = 3 [pid 3620] mkdir("./39", 0777 [pid 3964] write(3, "1000", 4) = 4 [pid 3620] <... mkdir resumed>) = 0 [pid 3964] close(3) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3965 attached [pid 3964] symlink("/dev/binderfs", "./binderfs" [pid 3965] chdir("./39" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 41 [pid 3965] <... chdir resumed>) = 0 [pid 3964] <... symlink resumed>) = 0 [pid 3965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3964] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3965] <... prctl resumed>) = 0 [pid 3964] <... socket resumed>) = 3 [pid 3965] setpgid(0, 0 [pid 3964] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3965] <... setpgid resumed>) = 0 [pid 3964] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3965] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3964] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3965] <... symlink resumed>) = 0 [pid 3964] <... bind resumed>) = 0 [pid 3965] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3964] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3965] <... symlink resumed>) = 0 [pid 3965] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3965] write(3, "1000", 4) = 4 [pid 3965] close(3) = 0 [pid 3965] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3965] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3965] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3965] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3965] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3962] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 153.777418][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b07b000: rx timeout, send abort [ 153.785825][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806fec9400: rx timeout, send abort [ 153.794583][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b07b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 153.809085][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fec9400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3962] close(3 [pid 3965] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3965] close(3 [pid 3962] <... close resumed>) = 0 [pid 3962] close(4) = -1 EBADF (Bad file descriptor) [ 153.823673][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d1edc00: rx timeout, send abort [ 153.836173][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888075066800: abort rx timeout. Force session deactivation [pid 3962] close(5 [pid 3965] <... close resumed>) = 0 [pid 3965] close(4) = -1 EBADF (Bad file descriptor) [pid 3965] close(5) = -1 EBADF (Bad file descriptor) [pid 3965] close(6) = -1 EBADF (Bad file descriptor) [pid 3965] close(7) = -1 EBADF (Bad file descriptor) [pid 3965] close(8) = -1 EBADF (Bad file descriptor) [pid 3965] close(9) = -1 EBADF (Bad file descriptor) [pid 3965] close(10) = -1 EBADF (Bad file descriptor) [pid 3965] close(11) = -1 EBADF (Bad file descriptor) [pid 3965] close(12) = -1 EBADF (Bad file descriptor) [pid 3965] close(13) = -1 EBADF (Bad file descriptor) [pid 3965] close(14) = -1 EBADF (Bad file descriptor) [pid 3965] close(15) = -1 EBADF (Bad file descriptor) [pid 3965] close(16) = -1 EBADF (Bad file descriptor) [pid 3965] close(17) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] close(6 [pid 3965] close(18) = -1 EBADF (Bad file descriptor) [pid 3965] close(19) = -1 EBADF (Bad file descriptor) [pid 3965] close(20) = -1 EBADF (Bad file descriptor) [pid 3965] close(21) = -1 EBADF (Bad file descriptor) [pid 3965] close(22) = -1 EBADF (Bad file descriptor) [pid 3965] close(23) = -1 EBADF (Bad file descriptor) [pid 3965] close(24) = -1 EBADF (Bad file descriptor) [pid 3965] close(25 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] close(7 [pid 3965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3965] close(26) = -1 EBADF (Bad file descriptor) [pid 3965] close(27) = -1 EBADF (Bad file descriptor) [pid 3965] close(28) = -1 EBADF (Bad file descriptor) [pid 3965] close(29) = -1 EBADF (Bad file descriptor) [pid 3965] exit_group(0) = ? [pid 3965] +++ exited with 0 +++ [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] close(8 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] close(9 [pid 3620] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./39/binderfs" [pid 3962] close(10 [pid 3620] <... unlink resumed>) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3962] close(11 [pid 3960] <... sendmsg resumed>) = 106496 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./39/cgroup") = 0 [pid 3620] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./39/cgroup.net") = 0 [pid 3620] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./39/cgroup.cpu") = 0 [ 153.873161][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d1edc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 153.887689][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d1eec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./39" [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3960] close(3 [pid 3620] <... rmdir resumed>) = 0 [pid 3962] close(12 [pid 3620] mkdir("./40", 0777 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... mkdir resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 42 [pid 3962] close(13./strace-static-x86_64: Process 3966 attached [pid 3966] chdir("./40") = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3962] close(14 [pid 3966] <... prctl resumed>) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] setpgid(0, 0 [pid 3962] close(15 [pid 3966] <... setpgid resumed>) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3962] close(16) = -1 EBADF (Bad file descriptor) [pid 3962] close(17 [pid 3966] <... symlink resumed>) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3962] close(18 [pid 3966] <... symlink resumed>) = 0 [pid 3966] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... symlink resumed>) = 0 [pid 3962] close(19 [pid 3966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... openat resumed>) = 3 [pid 3962] close(20 [pid 3966] write(3, "1000", 4 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... write resumed>) = 4 [pid 3962] close(21 [pid 3966] close(3 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = 0 [pid 3962] close(22 [pid 3966] symlink("/dev/binderfs", "./binderfs" [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... symlink resumed>) = 0 [pid 3962] close(23 [pid 3966] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3962] close(24 [pid 3966] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3962] close(25 [pid 3966] <... bind resumed>) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3962] close(26) = -1 EBADF (Bad file descriptor) [pid 3962] close(27) = -1 EBADF (Bad file descriptor) [pid 3962] close(28) = -1 EBADF (Bad file descriptor) [pid 3962] close(29) = -1 EBADF (Bad file descriptor) [pid 3966] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3966] close(3 [pid 3962] exit_group(0 [pid 3966] <... close resumed>) = 0 [pid 3962] <... exit_group resumed>) = ? [ 154.107761][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880756a2800: rx timeout, send abort [ 154.142114][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c8da000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3966] close(4 [pid 3962] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(5 [pid 3618] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3966] close(6 [pid 3618] <... openat resumed>) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./44/binderfs", [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./44/binderfs") = 0 [pid 3618] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./44/cgroup") = 0 [pid 3618] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3966] close(7 [pid 3963] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./44/cgroup.net") = 0 [pid 3618] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./44/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(3 [pid 3618] rmdir("./44" [pid 3966] close(8 [pid 3618] <... rmdir resumed>) = 0 [pid 3618] mkdir("./45", 0777) = 0 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 154.231319][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076d79c00: rx timeout, send abort [ 154.239700][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880671f4c00: rx timeout, send abort [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3967 attached [pid 3966] close(9 [pid 3967] chdir("./45" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 47 [pid 3967] <... chdir resumed>) = 0 [pid 3967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3967] setpgid(0, 0) = 0 [pid 3967] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3967] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3967] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3967] write(3, "1000", 4) = 4 [pid 3967] close(3) = 0 [pid 3967] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3967] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3967] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3967] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3967] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3963] <... close resumed>) = 0 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(10 [pid 3963] close(4 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(11) = -1 EBADF (Bad file descriptor) [pid 3963] close(5 [pid 3966] close(12 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(6 [pid 3966] close(13 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(7 [pid 3966] close(14 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(8 [pid 3966] close(15 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(9 [pid 3966] close(16 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(10) = -1 EBADF (Bad file descriptor) [pid 3966] close(17 [pid 3963] close(11 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(18 [pid 3963] close(12 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(19 [pid 3963] close(13 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(20 [pid 3963] close(14 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(21 [pid 3963] close(15 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(22 [pid 3963] close(16 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(23 [pid 3963] close(17 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(24 [pid 3963] close(18 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(25 [pid 3963] close(19 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(26 [pid 3963] close(20 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(27 [pid 3963] close(21 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(28 [pid 3963] close(22 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] close(29 [pid 3963] close(23 [pid 3966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] exit_group(0 [pid 3963] close(24 [pid 3957] <... close resumed>) = 0 [pid 3957] close(4) = -1 EBADF (Bad file descriptor) [pid 3957] close(5) = -1 EBADF (Bad file descriptor) [pid 3957] close(6) = -1 EBADF (Bad file descriptor) [pid 3957] close(7) = -1 EBADF (Bad file descriptor) [pid 3957] close(8) = -1 EBADF (Bad file descriptor) [pid 3957] close(9) = -1 EBADF (Bad file descriptor) [pid 3957] close(10) = -1 EBADF (Bad file descriptor) [pid 3957] close(11 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3966] <... exit_group resumed>) = ? [pid 3963] close(25 [pid 3957] close(12) = -1 EBADF (Bad file descriptor) [pid 3957] close(13) = -1 EBADF (Bad file descriptor) [pid 3966] +++ exited with 0 +++ [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(14 [pid 3963] close(26 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(15 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3963] close(27 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] restart_syscall(<... resuming interrupted clone ...> [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(16 [pid 3620] <... restart_syscall resumed>) = 0 [pid 3963] close(28 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(17) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3957] close(18 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3957] close(19 [pid 3620] <... openat resumed>) = 3 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] fstat(3, [pid 3957] close(20 [ 154.269242][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076d79c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 154.283787][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880671f4c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3963] close(29 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(21 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3957] close(22 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./40/binderfs", [pid 3963] exit_group(0 [pid 3957] close(23 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./40/binderfs" [pid 3957] close(24 [pid 3620] <... unlink resumed>) = 0 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3963] <... exit_group resumed>) = ? [pid 3957] close(25 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./40/cgroup", [pid 3957] close(26 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3963] +++ exited with 0 +++ [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./40/cgroup" [pid 3957] close(27 [pid 3620] <... unlink resumed>) = 0 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3957] close(28 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./40/cgroup.net", [pid 3957] close(29 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./40/cgroup.net" [pid 3957] exit_group(0 [pid 3620] <... unlink resumed>) = 0 [pid 3957] <... exit_group resumed>) = ? [pid 3620] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3957] +++ exited with 0 +++ [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] unlink("./40/cgroup.cpu") = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] getdents64(3, [pid 3617] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3 [pid 3617] <... openat resumed>) = 3 [pid 3616] <... restart_syscall resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3620] rmdir("./40") = 0 [pid 3620] mkdir("./41", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3968 attached [pid 3968] chdir("./41" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 43 [pid 3968] <... chdir resumed>) = 0 [pid 3968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3968] setpgid(0, 0) = 0 [pid 3968] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3617] fstat(3, [pid 3968] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3968] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3616] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3968] <... openat resumed>) = 3 [pid 3968] write(3, "1000", 4) = 4 [pid 3968] close(3) = 0 [pid 3617] getdents64(3, [pid 3616] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3968] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3964] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] <... openat resumed>) = 3 [pid 3968] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3964] close(3 [pid 3617] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] fstat(3, [pid 3968] <... socket resumed>) = 3 [pid 3968] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3968] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] lstat("./34/binderfs", [pid 3616] getdents64(3, [pid 3968] <... bind resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3968] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] unlink("./34/binderfs" [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... unlink resumed>) = 0 [pid 3616] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./41/binderfs", [pid 3617] lstat("./34/cgroup", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./41/binderfs" [pid 3617] unlink("./34/cgroup" [pid 3616] <... unlink resumed>) = 0 [ 154.415003][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d0b5800: rx timeout, send abort [ 154.423434][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d1ee800: rx timeout, send abort [pid 3617] <... unlink resumed>) = 0 [pid 3616] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3964] <... close resumed>) = 0 [pid 3617] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3964] close(4 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./41/cgroup", [pid 3964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3964] close(5) = -1 EBADF (Bad file descriptor) [pid 3964] close(6) = -1 EBADF (Bad file descriptor) [pid 3964] close(7 [pid 3617] lstat("./34/cgroup.net", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3964] close(8) = -1 EBADF (Bad file descriptor) [pid 3964] close(9) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./41/cgroup" [pid 3964] close(10) = -1 EBADF (Bad file descriptor) [pid 3964] close(11) = -1 EBADF (Bad file descriptor) [ 154.462966][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d0b5800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 154.477523][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d1ee800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3964] close(12 [pid 3617] unlink("./34/cgroup.net" [pid 3616] <... unlink resumed>) = 0 [pid 3964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3964] close(13) = -1 EBADF (Bad file descriptor) [pid 3964] close(14) = -1 EBADF (Bad file descriptor) [pid 3964] close(15) = -1 EBADF (Bad file descriptor) [pid 3964] close(16) = -1 EBADF (Bad file descriptor) [pid 3964] close(17) = -1 EBADF (Bad file descriptor) [pid 3964] close(18) = -1 EBADF (Bad file descriptor) [pid 3964] close(19) = -1 EBADF (Bad file descriptor) [pid 3964] close(20 [pid 3617] <... unlink resumed>) = 0 [pid 3616] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./41/cgroup.net", [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] lstat("./34/cgroup.cpu", [pid 3616] unlink("./41/cgroup.net" [pid 3964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3964] close(21) = -1 EBADF (Bad file descriptor) [pid 3964] close(22 [pid 3616] <... unlink resumed>) = 0 [pid 3964] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3964] close(23) = -1 EBADF (Bad file descriptor) [pid 3964] close(24) = -1 EBADF (Bad file descriptor) [pid 3964] close(25) = -1 EBADF (Bad file descriptor) [pid 3964] close(26) = -1 EBADF (Bad file descriptor) [pid 3964] close(27) = -1 EBADF (Bad file descriptor) [pid 3964] close(28) = -1 EBADF (Bad file descriptor) [pid 3964] close(29) = -1 EBADF (Bad file descriptor) [pid 3964] exit_group(0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3964] <... exit_group resumed>) = ? [pid 3617] unlink("./34/cgroup.cpu" [pid 3616] lstat("./41/cgroup.cpu", [pid 3964] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] <... unlink resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] getdents64(3, [pid 3616] unlink("./41/cgroup.cpu" [pid 3619] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] close(3 [pid 3616] getdents64(3, [pid 3619] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] <... close resumed>) = 0 [pid 3617] rmdir("./34" [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 3617] <... rmdir resumed>) = 0 [pid 3616] close(3 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] mkdir("./35", 0777 [pid 3616] <... close resumed>) = 0 [pid 3619] getdents64(3, [pid 3617] <... mkdir resumed>) = 0 [pid 3616] rmdir("./41" [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] <... rmdir resumed>) = 0 [pid 3619] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] mkdir("./42", 0777 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 3969 attached [pid 3619] lstat("./42/binderfs", [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 37 [pid 3969] chdir("./35") = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] unlink("./42/binderfs"./strace-static-x86_64: Process 3970 attached [pid 3969] <... prctl resumed>) = 0 [pid 3969] setpgid(0, 0) = 0 [pid 3969] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3970] chdir("./42" [pid 3969] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 44 [pid 3970] <... chdir resumed>) = 0 [pid 3969] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3969] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3970] <... prctl resumed>) = 0 [ 154.623212][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880756a2800: abort rx timeout. Force session deactivation [pid 3969] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3970] setpgid(0, 0 [pid 3969] <... symlink resumed>) = 0 [pid 3619] lstat("./42/cgroup", [pid 3970] <... setpgid resumed>) = 0 [pid 3969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3969] write(3, "1000", 4) = 4 [pid 3969] close(3) = 0 [pid 3969] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3969] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3970] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3969] <... socket resumed>) = 3 [pid 3619] unlink("./42/cgroup" [pid 3969] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3970] <... symlink resumed>) = 0 [pid 3969] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3969] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] <... unlink resumed>) = 0 [pid 3970] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3969] <... bind resumed>) = 0 [pid 3969] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3970] <... symlink resumed>) = 0 [pid 3619] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3970] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3970] <... symlink resumed>) = 0 [pid 3619] lstat("./42/cgroup.net", [pid 3970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3970] <... openat resumed>) = 3 [pid 3619] unlink("./42/cgroup.net" [pid 3970] write(3, "1000", 4 [pid 3619] <... unlink resumed>) = 0 [pid 3970] <... write resumed>) = 4 [pid 3619] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3970] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3970] <... close resumed>) = 0 [pid 3619] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3970] symlink("/dev/binderfs", "./binderfs" [pid 3619] unlink("./42/cgroup.cpu" [pid 3970] <... symlink resumed>) = 0 [pid 3970] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] <... unlink resumed>) = 0 [pid 3970] <... socket resumed>) = 3 [pid 3619] getdents64(3, [pid 3970] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3970] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3619] close(3 [pid 3970] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./42") = 0 [pid 3619] mkdir("./43", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3971 attached , child_tidptr=0x555556f5d5d0) = 45 [pid 3971] chdir("./43") = 0 [pid 3971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3971] setpgid(0, 0) = 0 [pid 3971] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3971] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3971] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3971] write(3, "1000", 4) = 4 [pid 3971] close(3) = 0 [pid 3971] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3971] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3971] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3971] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3971] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3968] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 155.351542][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888020191c00: rx timeout, send abort [ 155.359912][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806728f800: rx timeout, send abort [pid 3968] close(3) = 0 [pid 3968] close(4) = -1 EBADF (Bad file descriptor) [pid 3968] close(5) = -1 EBADF (Bad file descriptor) [pid 3968] close(6) = -1 EBADF (Bad file descriptor) [pid 3967] <... sendmsg resumed>) = 106496 [pid 3968] close(7 [pid 3967] close(3 [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 155.406782][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888020191c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 155.421340][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806728f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 155.442035][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c8da800: rx timeout, send abort [pid 3968] close(8) = -1 EBADF (Bad file descriptor) [pid 3968] close(9) = -1 EBADF (Bad file descriptor) [pid 3968] close(10) = -1 EBADF (Bad file descriptor) [pid 3968] close(11) = -1 EBADF (Bad file descriptor) [pid 3968] close(12) = -1 EBADF (Bad file descriptor) [pid 3968] close(13) = -1 EBADF (Bad file descriptor) [pid 3968] close(14) = -1 EBADF (Bad file descriptor) [pid 3968] close(15) = -1 EBADF (Bad file descriptor) [pid 3968] close(16) = -1 EBADF (Bad file descriptor) [pid 3968] close(17) = -1 EBADF (Bad file descriptor) [pid 3968] close(18 [pid 3969] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(3 [pid 3968] close(19) = -1 EBADF (Bad file descriptor) [pid 3968] close(20) = -1 EBADF (Bad file descriptor) [pid 3968] close(21) = -1 EBADF (Bad file descriptor) [pid 3968] close(22) = -1 EBADF (Bad file descriptor) [pid 3968] close(23) = -1 EBADF (Bad file descriptor) [pid 3968] close(24) = -1 EBADF (Bad file descriptor) [ 155.520299][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b645000: rx timeout, send abort [ 155.528720][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b646000: rx timeout, send abort [pid 3968] close(25) = -1 EBADF (Bad file descriptor) [pid 3969] <... close resumed>) = 0 [pid 3968] close(26 [pid 3969] close(4) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(5 [pid 3968] close(27 [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(6 [ 155.560237][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b645000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 155.574779][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b646000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3968] close(28 [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(7 [pid 3968] close(29 [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(8 [pid 3968] exit_group(0 [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3968] <... exit_group resumed>) = ? [pid 3969] close(9) = -1 EBADF (Bad file descriptor) [pid 3968] +++ exited with 0 +++ [pid 3969] close(10 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3969] close(11 [pid 3620] getdents64(3, [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(12) = -1 EBADF (Bad file descriptor) [pid 3969] close(13 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3969] close(14) = -1 EBADF (Bad file descriptor) [pid 3969] close(15) = -1 EBADF (Bad file descriptor) [pid 3969] close(16) = -1 EBADF (Bad file descriptor) [pid 3969] close(17) = -1 EBADF (Bad file descriptor) [pid 3969] close(18) = -1 EBADF (Bad file descriptor) [pid 3969] close(19) = -1 EBADF (Bad file descriptor) [pid 3969] close(20) = -1 EBADF (Bad file descriptor) [pid 3969] close(21) = -1 EBADF (Bad file descriptor) [pid 3969] close(22 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(23) = -1 EBADF (Bad file descriptor) [pid 3969] close(24) = -1 EBADF (Bad file descriptor) [pid 3969] close(25 [pid 3620] lstat("./41/binderfs", [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(26) = -1 EBADF (Bad file descriptor) [pid 3969] close(27) = -1 EBADF (Bad file descriptor) [pid 3969] close(28) = -1 EBADF (Bad file descriptor) [pid 3969] close(29) = -1 EBADF (Bad file descriptor) [pid 3969] exit_group(0) = ? [pid 3969] +++ exited with 0 +++ [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] unlink("./41/binderfs" [pid 3617] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] <... unlink resumed>) = 0 [pid 3617] fstat(3, [pid 3620] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] lstat("./41/cgroup", [pid 3617] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./35/binderfs" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./35/cgroup", [pid 3620] unlink("./41/cgroup" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./35/cgroup") = 0 [pid 3617] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./35/cgroup.net") = 0 [pid 3617] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./35/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./35" [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... rmdir resumed>) = 0 [pid 3620] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] mkdir("./36", 0777 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... mkdir resumed>) = 0 [pid 3620] lstat("./41/cgroup.net", [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3972 attached [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3972] chdir("./36" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 38 [pid 3972] <... chdir resumed>) = 0 [pid 3620] unlink("./41/cgroup.net" [pid 3972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3972] setpgid(0, 0) = 0 [pid 3972] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3620] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3972] <... symlink resumed>) = 0 [pid 3972] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3972] <... symlink resumed>) = 0 [pid 3972] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3972] write(3, "1000", 4) = 4 [pid 3972] close(3) = 0 [pid 3970] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] lstat("./41/cgroup.cpu", [pid 3972] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3972] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3972] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3972] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 155.779698][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806e778800: rx timeout, send abort [ 155.788118][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806e779000: rx timeout, send abort [ 155.808869][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e778800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3972] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3970] close(3 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3970] <... close resumed>) = 0 [pid 3970] close(4 [pid 3620] unlink("./41/cgroup.cpu" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(5 [pid 3620] <... unlink resumed>) = 0 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3970] close(6 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(7 [pid 3620] close(3 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... close resumed>) = 0 [pid 3970] close(8 [pid 3620] rmdir("./41" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(9 [pid 3620] <... rmdir resumed>) = 0 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] mkdir("./42", 0777 [pid 3970] close(10 [pid 3620] <... mkdir resumed>) = 0 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(11 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3973 attached [pid 3970] close(12 [pid 3973] chdir("./42" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 44 [ 155.823391][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e779000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3973] <... chdir resumed>) = 0 [pid 3970] close(13 [pid 3973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... prctl resumed>) = 0 [pid 3970] close(14 [pid 3973] setpgid(0, 0 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... setpgid resumed>) = 0 [pid 3970] close(15 [pid 3973] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... symlink resumed>) = 0 [pid 3970] close(16 [pid 3973] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... symlink resumed>) = 0 [pid 3970] close(17 [pid 3973] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(18 [pid 3973] <... symlink resumed>) = 0 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(19 [pid 3973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... openat resumed>) = 3 [pid 3970] close(20 [pid 3973] write(3, "1000", 4 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... write resumed>) = 4 [pid 3970] close(21 [pid 3973] close(3 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... close resumed>) = 0 [pid 3970] close(22 [pid 3973] symlink("/dev/binderfs", "./binderfs" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... symlink resumed>) = 0 [pid 3970] close(23) = -1 EBADF (Bad file descriptor) [pid 3970] close(24 [pid 3973] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... socket resumed>) = 3 [pid 3970] close(25 [pid 3973] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3970] close(26 [pid 3973] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3973] <... bind resumed>) = 0 [pid 3970] close(27 [pid 3973] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(28) = -1 EBADF (Bad file descriptor) [pid 3970] close(29) = -1 EBADF (Bad file descriptor) [pid 3970] exit_group(0) = ? [pid 3970] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./42/binderfs") = 0 [pid 3616] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./42/cgroup") = 0 [pid 3616] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./42/cgroup.net") = 0 [pid 3616] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 155.962561][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c8da800: abort rx timeout. Force session deactivation [pid 3616] unlink("./42/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./42") = 0 [pid 3616] mkdir("./43", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3974 attached [pid 3974] chdir("./43") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 45 [pid 3974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3974] setpgid(0, 0) = 0 [pid 3974] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3974] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3974] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3974] write(3, "1000", 4) = 4 [pid 3974] close(3) = 0 [pid 3974] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3974] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3974] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3974] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3974] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3960] <... close resumed>) = 0 [pid 3960] close(4) = -1 EBADF (Bad file descriptor) [pid 3960] close(5) = -1 EBADF (Bad file descriptor) [pid 3960] close(6) = -1 EBADF (Bad file descriptor) [pid 3960] close(7) = -1 EBADF (Bad file descriptor) [pid 3960] close(8) = -1 EBADF (Bad file descriptor) [pid 3960] close(9) = -1 EBADF (Bad file descriptor) [pid 3960] close(10) = -1 EBADF (Bad file descriptor) [pid 3960] close(11) = -1 EBADF (Bad file descriptor) [pid 3960] close(12) = -1 EBADF (Bad file descriptor) [pid 3960] close(13) = -1 EBADF (Bad file descriptor) [pid 3960] close(14) = -1 EBADF (Bad file descriptor) [pid 3960] close(15) = -1 EBADF (Bad file descriptor) [pid 3960] close(16) = -1 EBADF (Bad file descriptor) [pid 3960] close(17) = -1 EBADF (Bad file descriptor) [pid 3960] close(18) = -1 EBADF (Bad file descriptor) [pid 3960] close(19) = -1 EBADF (Bad file descriptor) [pid 3960] close(20) = -1 EBADF (Bad file descriptor) [pid 3960] close(21) = -1 EBADF (Bad file descriptor) [pid 3960] close(22) = -1 EBADF (Bad file descriptor) [pid 3960] close(23) = -1 EBADF (Bad file descriptor) [pid 3960] close(24) = -1 EBADF (Bad file descriptor) [pid 3960] close(25) = -1 EBADF (Bad file descriptor) [pid 3960] close(26) = -1 EBADF (Bad file descriptor) [pid 3960] close(27) = -1 EBADF (Bad file descriptor) [pid 3960] close(28) = -1 EBADF (Bad file descriptor) [pid 3960] close(29) = -1 EBADF (Bad file descriptor) [pid 3960] exit_group(0) = ? [pid 3960] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./35/binderfs") = 0 [pid 3613] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./35/cgroup") = 0 [pid 3613] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./35/cgroup.net") = 0 [pid 3613] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./35/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./35") = 0 [pid 3613] mkdir("./36", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3975 attached [pid 3975] chdir("./36") = 0 [pid 3975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3975] setpgid(0, 0) = 0 [pid 3975] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 38 [pid 3975] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3975] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3975] write(3, "1000", 4) = 4 [pid 3975] close(3) = 0 [pid 3975] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3975] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3975] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3975] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3975] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 157.020388][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f4c3800: rx timeout, send abort [ 157.028810][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f1a6800: rx timeout, send abort [pid 3974] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3974] close(3) = 0 [pid 3974] close(4) = -1 EBADF (Bad file descriptor) [pid 3974] close(5) = -1 EBADF (Bad file descriptor) [pid 3974] close(6) = -1 EBADF (Bad file descriptor) [pid 3974] close(7) = -1 EBADF (Bad file descriptor) [pid 3974] close(8) = -1 EBADF (Bad file descriptor) [pid 3974] close(9) = -1 EBADF (Bad file descriptor) [pid 3974] close(10) = -1 EBADF (Bad file descriptor) [pid 3974] close(11) = -1 EBADF (Bad file descriptor) [ 157.062961][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f4c3800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 157.077515][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f1a6800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3974] close(12) = -1 EBADF (Bad file descriptor) [pid 3974] close(13) = -1 EBADF (Bad file descriptor) [pid 3974] close(14) = -1 EBADF (Bad file descriptor) [pid 3974] close(15 [pid 3971] <... sendmsg resumed>) = 106496 [pid 3971] close(3 [pid 3974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3974] close(16) = -1 EBADF (Bad file descriptor) [pid 3974] close(17) = -1 EBADF (Bad file descriptor) [pid 3974] close(18) = -1 EBADF (Bad file descriptor) [pid 3974] close(19) = -1 EBADF (Bad file descriptor) [pid 3974] close(20) = -1 EBADF (Bad file descriptor) [pid 3974] close(21) = -1 EBADF (Bad file descriptor) [pid 3974] close(22) = -1 EBADF (Bad file descriptor) [pid 3974] close(23) = -1 EBADF (Bad file descriptor) [pid 3974] close(24) = -1 EBADF (Bad file descriptor) [pid 3974] close(25) = -1 EBADF (Bad file descriptor) [pid 3974] close(26) = -1 EBADF (Bad file descriptor) [pid 3974] close(27) = -1 EBADF (Bad file descriptor) [pid 3974] close(28) = -1 EBADF (Bad file descriptor) [pid 3974] close(29) = -1 EBADF (Bad file descriptor) [pid 3974] exit_group(0) = ? [pid 3974] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./43/binderfs") = 0 [pid 3616] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./43/cgroup") = 0 [pid 3616] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./43/cgroup.net") = 0 [pid 3616] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./43/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./43") = 0 [pid 3616] mkdir("./44", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3976 attached , child_tidptr=0x555556f5d5d0) = 46 [pid 3976] chdir("./44") = 0 [pid 3976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3976] setpgid(0, 0) = 0 [pid 3976] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3976] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3976] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3976] write(3, "1000", 4) = 4 [pid 3976] close(3 [pid 3975] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3976] <... close resumed>) = 0 [pid 3975] close(3 [pid 3976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3976] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3976] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [ 157.492265][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806aa78800: rx timeout, send abort [ 157.500653][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888073f7e800: rx timeout, send abort [pid 3976] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3976] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3975] <... close resumed>) = 0 [pid 3975] close(4) = -1 EBADF (Bad file descriptor) [pid 3975] close(5) = -1 EBADF (Bad file descriptor) [pid 3975] close(6) = -1 EBADF (Bad file descriptor) [pid 3975] close(7) = -1 EBADF (Bad file descriptor) [ 157.562819][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806aa78800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 157.577368][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073f7e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3975] close(8) = -1 EBADF (Bad file descriptor) [pid 3975] close(9) = -1 EBADF (Bad file descriptor) [pid 3975] close(10) = -1 EBADF (Bad file descriptor) [pid 3975] close(11) = -1 EBADF (Bad file descriptor) [pid 3975] close(12) = -1 EBADF (Bad file descriptor) [pid 3975] close(13) = -1 EBADF (Bad file descriptor) [pid 3975] close(14) = -1 EBADF (Bad file descriptor) [pid 3975] close(15) = -1 EBADF (Bad file descriptor) [pid 3975] close(16) = -1 EBADF (Bad file descriptor) [pid 3975] close(17) = -1 EBADF (Bad file descriptor) [pid 3975] close(18) = -1 EBADF (Bad file descriptor) [pid 3975] close(19) = -1 EBADF (Bad file descriptor) [pid 3975] close(20) = -1 EBADF (Bad file descriptor) [pid 3975] close(21) = -1 EBADF (Bad file descriptor) [pid 3975] close(22) = -1 EBADF (Bad file descriptor) [pid 3975] close(23) = -1 EBADF (Bad file descriptor) [pid 3975] close(24) = -1 EBADF (Bad file descriptor) [pid 3975] close(25) = -1 EBADF (Bad file descriptor) [pid 3975] close(26) = -1 EBADF (Bad file descriptor) [pid 3975] close(27) = -1 EBADF (Bad file descriptor) [pid 3975] close(28) = -1 EBADF (Bad file descriptor) [pid 3975] close(29) = -1 EBADF (Bad file descriptor) [pid 3975] exit_group(0) = ? [pid 3975] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./36/binderfs") = 0 [pid 3613] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./36/cgroup") = 0 [pid 3613] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./36/cgroup.net") = 0 [pid 3613] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./36/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./36") = 0 [pid 3613] mkdir("./37", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 39 ./strace-static-x86_64: Process 3977 attached [pid 3977] chdir("./37") = 0 [pid 3977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3977] setpgid(0, 0) = 0 [pid 3977] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3977] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3977] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3977] write(3, "1000", 4) = 4 [pid 3977] close(3) = 0 [pid 3977] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3977] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3977] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3977] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3977] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3976] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 158.501537][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880232acc00: rx timeout, send abort [ 158.509920][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065f1f400: rx timeout, send abort [pid 3976] close(3) = 0 [pid 3976] close(4) = -1 EBADF (Bad file descriptor) [pid 3976] close(5) = -1 EBADF (Bad file descriptor) [pid 3976] close(6) = -1 EBADF (Bad file descriptor) [pid 3976] close(7) = -1 EBADF (Bad file descriptor) [pid 3976] close(8) = -1 EBADF (Bad file descriptor) [pid 3976] close(9) = -1 EBADF (Bad file descriptor) [pid 3976] close(10) = -1 EBADF (Bad file descriptor) [pid 3976] close(11) = -1 EBADF (Bad file descriptor) [pid 3976] close(12) = -1 EBADF (Bad file descriptor) [pid 3976] close(13) = -1 EBADF (Bad file descriptor) [pid 3976] close(14) = -1 EBADF (Bad file descriptor) [pid 3976] close(15) = -1 EBADF (Bad file descriptor) [pid 3976] close(16) = -1 EBADF (Bad file descriptor) [pid 3976] close(17) = -1 EBADF (Bad file descriptor) [pid 3976] close(18) = -1 EBADF (Bad file descriptor) [pid 3976] close(19) = -1 EBADF (Bad file descriptor) [pid 3976] close(20) = -1 EBADF (Bad file descriptor) [pid 3976] close(21) = -1 EBADF (Bad file descriptor) [pid 3976] close(22) = -1 EBADF (Bad file descriptor) [pid 3976] close(23) = -1 EBADF (Bad file descriptor) [pid 3976] close(24) = -1 EBADF (Bad file descriptor) [pid 3976] close(25) = -1 EBADF (Bad file descriptor) [pid 3976] close(26) = -1 EBADF (Bad file descriptor) [pid 3976] close(27) = -1 EBADF (Bad file descriptor) [pid 3976] close(28) = -1 EBADF (Bad file descriptor) [pid 3976] close(29) = -1 EBADF (Bad file descriptor) [pid 3976] exit_group(0) = ? [pid 3976] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 158.577436][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880232acc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 158.592021][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065f1f400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./44/binderfs") = 0 [pid 3616] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./44/cgroup") = 0 [pid 3616] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./44/cgroup.net") = 0 [pid 3616] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./44/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./44") = 0 [pid 3616] mkdir("./45", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3978 attached [pid 3978] chdir("./45" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 47 [pid 3978] <... chdir resumed>) = 0 [pid 3978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3978] setpgid(0, 0) = 0 [pid 3978] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3978] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3978] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3978] write(3, "1000", 4) = 4 [pid 3978] close(3) = 0 [pid 3978] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3978] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3978] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3978] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3978] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3971] <... close resumed>) = 0 [pid 3971] close(4) = -1 EBADF (Bad file descriptor) [pid 3971] close(5) = -1 EBADF (Bad file descriptor) [pid 3971] close(6) = -1 EBADF (Bad file descriptor) [pid 3971] close(7) = -1 EBADF (Bad file descriptor) [pid 3971] close(8) = -1 EBADF (Bad file descriptor) [pid 3971] close(9) = -1 EBADF (Bad file descriptor) [pid 3971] close(10) = -1 EBADF (Bad file descriptor) [pid 3971] close(11) = -1 EBADF (Bad file descriptor) [pid 3971] close(12) = -1 EBADF (Bad file descriptor) [pid 3971] close(13) = -1 EBADF (Bad file descriptor) [pid 3971] close(14) = -1 EBADF (Bad file descriptor) [pid 3971] close(15) = -1 EBADF (Bad file descriptor) [pid 3971] close(16) = -1 EBADF (Bad file descriptor) [pid 3971] close(17) = -1 EBADF (Bad file descriptor) [pid 3971] close(18) = -1 EBADF (Bad file descriptor) [pid 3971] close(19) = -1 EBADF (Bad file descriptor) [pid 3971] close(20) = -1 EBADF (Bad file descriptor) [pid 3971] close(21) = -1 EBADF (Bad file descriptor) [pid 3971] close(22) = -1 EBADF (Bad file descriptor) [pid 3971] close(23) = -1 EBADF (Bad file descriptor) [pid 3971] close(24) = -1 EBADF (Bad file descriptor) [pid 3971] close(25) = -1 EBADF (Bad file descriptor) [pid 3971] close(26) = -1 EBADF (Bad file descriptor) [pid 3971] close(27) = -1 EBADF (Bad file descriptor) [pid 3971] close(28) = -1 EBADF (Bad file descriptor) [pid 3971] close(29) = -1 EBADF (Bad file descriptor) [pid 3971] exit_group(0) = ? [pid 3971] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3619] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3977] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3619] <... openat resumed>) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3977] close(3 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./43/binderfs") = 0 [pid 3619] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./43/cgroup") = 0 [pid 3619] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./43/cgroup.net") = 0 [pid 3619] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 158.998386][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807aa5a400: rx timeout, send abort [ 159.006781][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888077f68800: rx timeout, send abort [pid 3619] unlink("./43/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 3977] <... close resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./43") = 0 [pid 3619] mkdir("./44", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3979 attached [pid 3979] chdir("./44" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 46 [pid 3979] <... chdir resumed>) = 0 [pid 3979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3979] setpgid(0, 0) = 0 [pid 3979] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3977] close(4 [pid 3979] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3979] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3977] close(5 [pid 3979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3979] write(3, "1000", 4) = 4 [pid 3979] close(3 [pid 3977] close(6 [pid 3979] <... close resumed>) = 0 [pid 3979] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3979] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3979] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3979] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 159.045700][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807aa5a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 159.060240][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077f68800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3979] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3977] close(7 [pid 3972] <... sendmsg resumed>) = 106496 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] close(3 [pid 3977] close(8) = -1 EBADF (Bad file descriptor) [pid 3977] close(9) = -1 EBADF (Bad file descriptor) [pid 3977] close(10) = -1 EBADF (Bad file descriptor) [pid 3977] close(11) = -1 EBADF (Bad file descriptor) [pid 3977] close(12) = -1 EBADF (Bad file descriptor) [pid 3977] close(13) = -1 EBADF (Bad file descriptor) [pid 3977] close(14) = -1 EBADF (Bad file descriptor) [pid 3977] close(15) = -1 EBADF (Bad file descriptor) [pid 3977] close(16) = -1 EBADF (Bad file descriptor) [pid 3977] close(17) = -1 EBADF (Bad file descriptor) [pid 3977] close(18) = -1 EBADF (Bad file descriptor) [pid 3973] <... sendmsg resumed>) = 106496 [pid 3977] close(19 [pid 3973] close(3 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(20) = -1 EBADF (Bad file descriptor) [pid 3977] close(21) = -1 EBADF (Bad file descriptor) [pid 3977] close(22 [pid 3618] kill(-47, SIGKILL [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... kill resumed>) = 0 [pid 3977] close(23 [pid 3618] kill(47, SIGKILL [pid 3967] <... close resumed>) = ? [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... kill resumed>) = 0 [pid 3977] close(24 [pid 3967] +++ killed by SIGKILL +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=47, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3977] close(25 [pid 3618] getdents64(3, [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./45/binderfs") = 0 [pid 3618] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./45/cgroup") = 0 [pid 3618] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./45/cgroup.net") = 0 [pid 3618] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./45/cgroup.cpu" [pid 3977] close(26 [pid 3618] <... unlink resumed>) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(27 [pid 3618] close(3) = 0 [pid 3618] rmdir("./45") = 0 [pid 3618] mkdir("./46", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 48 ./strace-static-x86_64: Process 3980 attached [pid 3977] close(28) = -1 EBADF (Bad file descriptor) [pid 3980] chdir("./46" [pid 3977] close(29) = -1 EBADF (Bad file descriptor) [pid 3980] <... chdir resumed>) = 0 [pid 3977] exit_group(0 [pid 3980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3977] <... exit_group resumed>) = ? [pid 3980] <... prctl resumed>) = 0 [pid 3980] setpgid(0, 0 [pid 3977] +++ exited with 0 +++ [pid 3980] <... setpgid resumed>) = 0 [pid 3980] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3980] <... symlink resumed>) = 0 [pid 3980] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3980] <... symlink resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3980] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3980] <... openat resumed>) = 3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, [pid 3980] write(3, "1000", 4) = 4 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3980] close(3 [pid 3613] getdents64(3, [pid 3980] <... close resumed>) = 0 [pid 3980] symlink("/dev/binderfs", "./binderfs" [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3980] <... symlink resumed>) = 0 [pid 3613] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3980] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3980] <... socket resumed>) = 3 [pid 3980] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] lstat("./37/binderfs", [pid 3980] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3980] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] unlink("./37/binderfs" [pid 3980] <... bind resumed>) = 0 [pid 3980] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./37/cgroup") = 0 [pid 3613] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./37/cgroup.net") = 0 [pid 3613] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./37/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./37") = 0 [pid 3613] mkdir("./38", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3981 attached , child_tidptr=0x555556f5d5d0) = 40 [pid 3981] chdir("./38") = 0 [pid 3981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3981] setpgid(0, 0) = 0 [pid 3981] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3981] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3981] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3981] write(3, "1000", 4) = 4 [pid 3981] close(3) = 0 [pid 3981] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3981] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3981] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3981] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3981] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3978] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 159.769281][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807caa2000: rx timeout, send abort [ 159.777775][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807abbb000: rx timeout, send abort [pid 3978] close(3) = 0 [pid 3978] close(4) = -1 EBADF (Bad file descriptor) [pid 3978] close(5) = -1 EBADF (Bad file descriptor) [pid 3978] close(6) = -1 EBADF (Bad file descriptor) [pid 3978] close(7) = -1 EBADF (Bad file descriptor) [pid 3978] close(8) = -1 EBADF (Bad file descriptor) [pid 3978] close(9) = -1 EBADF (Bad file descriptor) [pid 3978] close(10) = -1 EBADF (Bad file descriptor) [pid 3978] close(11) = -1 EBADF (Bad file descriptor) [pid 3978] close(12) = -1 EBADF (Bad file descriptor) [pid 3978] close(13) = -1 EBADF (Bad file descriptor) [pid 3978] close(14) = -1 EBADF (Bad file descriptor) [pid 3978] close(15) = -1 EBADF (Bad file descriptor) [pid 3978] close(16) = -1 EBADF (Bad file descriptor) [pid 3978] close(17) = -1 EBADF (Bad file descriptor) [pid 3978] close(18) = -1 EBADF (Bad file descriptor) [pid 3978] close(19) = -1 EBADF (Bad file descriptor) [pid 3978] close(20) = -1 EBADF (Bad file descriptor) [pid 3978] close(21) = -1 EBADF (Bad file descriptor) [pid 3978] close(22) = -1 EBADF (Bad file descriptor) [pid 3978] close(23) = -1 EBADF (Bad file descriptor) [pid 3978] close(24) = -1 EBADF (Bad file descriptor) [pid 3978] close(25) = -1 EBADF (Bad file descriptor) [pid 3978] close(26) = -1 EBADF (Bad file descriptor) [pid 3978] close(27) = -1 EBADF (Bad file descriptor) [pid 3978] close(28) = -1 EBADF (Bad file descriptor) [pid 3978] close(29) = -1 EBADF (Bad file descriptor) [pid 3978] exit_group(0) = ? [pid 3978] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3616] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./45/binderfs") = 0 [pid 3616] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./45/cgroup") = 0 [pid 3616] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./45/cgroup.net") = 0 [pid 3616] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./45/cgroup.cpu") = 0 [ 160.283421][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807caa2000: abort rx timeout. Force session deactivation [ 160.309320][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807abbb000: abort rx timeout. Force session deactivation [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./45") = 0 [pid 3616] mkdir("./46", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3982 attached [pid 3982] chdir("./46" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 48 [pid 3982] <... chdir resumed>) = 0 [pid 3982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3982] setpgid(0, 0) = 0 [pid 3982] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3982] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3982] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3982] write(3, "1000", 4) = 4 [pid 3980] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3980] close(3 [pid 3982] close(3) = 0 [pid 3982] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3982] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3982] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3982] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3982] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3979] <... sendmsg resumed>) = 106496 [ 160.372359][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880767fc400: rx timeout, send abort [ 160.380754][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807c44cc00: rx timeout, send abort [ 160.407694][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880767fc400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3979] close(3 [pid 3980] <... close resumed>) = 0 [pid 3980] close(4) = -1 EBADF (Bad file descriptor) [pid 3980] close(5) = -1 EBADF (Bad file descriptor) [pid 3980] close(6) = -1 EBADF (Bad file descriptor) [pid 3980] close(7) = -1 EBADF (Bad file descriptor) [pid 3980] close(8) = -1 EBADF (Bad file descriptor) [pid 3980] close(9) = -1 EBADF (Bad file descriptor) [pid 3980] close(10) = -1 EBADF (Bad file descriptor) [pid 3980] close(11) = -1 EBADF (Bad file descriptor) [pid 3980] close(12) = -1 EBADF (Bad file descriptor) [pid 3980] close(13) = -1 EBADF (Bad file descriptor) [pid 3980] close(14) = -1 EBADF (Bad file descriptor) [pid 3980] close(15) = -1 EBADF (Bad file descriptor) [pid 3980] close(16) = -1 EBADF (Bad file descriptor) [pid 3980] close(17) = -1 EBADF (Bad file descriptor) [pid 3980] close(18) = -1 EBADF (Bad file descriptor) [pid 3980] close(19) = -1 EBADF (Bad file descriptor) [pid 3980] close(20) = -1 EBADF (Bad file descriptor) [pid 3980] close(21) = -1 EBADF (Bad file descriptor) [pid 3980] close(22) = -1 EBADF (Bad file descriptor) [pid 3980] close(23) = -1 EBADF (Bad file descriptor) [pid 3980] close(24) = -1 EBADF (Bad file descriptor) [pid 3980] close(25) = -1 EBADF (Bad file descriptor) [pid 3980] close(26) = -1 EBADF (Bad file descriptor) [pid 3980] close(27) = -1 EBADF (Bad file descriptor) [pid 3980] close(28) = -1 EBADF (Bad file descriptor) [pid 3980] close(29) = -1 EBADF (Bad file descriptor) [pid 3980] exit_group(0) = ? [ 160.422337][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807c44cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3980] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./46/binderfs") = 0 [pid 3618] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 160.510380][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807806e400: rx timeout, send abort [pid 3618] unlink("./46/cgroup") = 0 [pid 3618] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./46/cgroup.net") = 0 [pid 3618] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./46/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./46") = 0 [pid 3618] mkdir("./47", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3983 attached [pid 3983] chdir("./47" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 49 [pid 3983] <... chdir resumed>) = 0 [pid 3983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3983] setpgid(0, 0) = 0 [pid 3983] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3983] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3983] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3981] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3983] write(3, "1000", 4) = 4 [pid 3981] close(3 [pid 3983] close(3) = 0 [pid 3983] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3983] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3983] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3983] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3983] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3981] <... close resumed>) = 0 [pid 3981] close(4) = -1 EBADF (Bad file descriptor) [ 160.610236][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888069db5400: rx timeout, send abort [ 160.618656][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d7c3c00: rx timeout, send abort [ 160.638932][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069db5400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 160.653512][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d7c3c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3981] close(5) = -1 EBADF (Bad file descriptor) [pid 3981] close(6) = -1 EBADF (Bad file descriptor) [pid 3981] close(7) = -1 EBADF (Bad file descriptor) [pid 3981] close(8) = -1 EBADF (Bad file descriptor) [pid 3981] close(9) = -1 EBADF (Bad file descriptor) [pid 3981] close(10) = -1 EBADF (Bad file descriptor) [pid 3981] close(11) = -1 EBADF (Bad file descriptor) [pid 3981] close(12) = -1 EBADF (Bad file descriptor) [pid 3981] close(13) = -1 EBADF (Bad file descriptor) [pid 3981] close(14) = -1 EBADF (Bad file descriptor) [pid 3981] close(15) = -1 EBADF (Bad file descriptor) [pid 3981] close(16) = -1 EBADF (Bad file descriptor) [pid 3981] close(17) = -1 EBADF (Bad file descriptor) [pid 3981] close(18) = -1 EBADF (Bad file descriptor) [pid 3981] close(19) = -1 EBADF (Bad file descriptor) [pid 3981] close(20) = -1 EBADF (Bad file descriptor) [pid 3981] close(21) = -1 EBADF (Bad file descriptor) [pid 3981] close(22) = -1 EBADF (Bad file descriptor) [pid 3981] close(23) = -1 EBADF (Bad file descriptor) [pid 3981] close(24) = -1 EBADF (Bad file descriptor) [pid 3981] close(25) = -1 EBADF (Bad file descriptor) [pid 3981] close(26) = -1 EBADF (Bad file descriptor) [pid 3981] close(27) = -1 EBADF (Bad file descriptor) [pid 3981] close(28) = -1 EBADF (Bad file descriptor) [pid 3981] close(29) = -1 EBADF (Bad file descriptor) [pid 3981] exit_group(0) = ? [pid 3981] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./38/binderfs", [pid 3617] kill(-38, SIGKILL) = 0 [pid 3617] kill(38, SIGKILL [pid 3972] <... close resumed>) = ? [pid 3617] <... kill resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3972] +++ killed by SIGKILL +++ [pid 3613] unlink("./38/binderfs") = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=38, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [ 160.707852][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888069e5f800: rx timeout, send abort [ 160.716247][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806fb62c00: rx timeout, send abort [pid 3613] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./38/cgroup", [pid 3617] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, [pid 3973] <... close resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] unlink("./38/cgroup" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./36/binderfs") = 0 [pid 3617] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3973] close(4 [pid 3617] unlink("./36/cgroup" [pid 3613] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3973] close(5 [pid 3617] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./38/cgroup.net", [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3973] close(6 [pid 3617] lstat("./36/cgroup.net", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./36/cgroup.net") = 0 [pid 3617] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./36/cgroup.cpu", [pid 3613] unlink("./38/cgroup.net" [pid 3973] close(7 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./36/cgroup.cpu" [pid 3613] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3973] close(8 [pid 3617] getdents64(3, [pid 3613] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./36") = 0 [pid 3617] mkdir("./37", 0777 [pid 3973] close(9 [pid 3617] <... mkdir resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3984 attached [pid 3984] chdir("./37" [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 39 [pid 3613] lstat("./38/cgroup.cpu", [pid 3984] <... chdir resumed>) = 0 [pid 3973] close(10 [pid 3984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3984] setpgid(0, 0) = 0 [pid 3984] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3984] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3973] close(11 [pid 3984] <... symlink resumed>) = 0 [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./38/cgroup.cpu" [pid 3984] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3973] close(12 [pid 3984] <... symlink resumed>) = 0 [ 160.776955][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069e5f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 160.791450][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fb62c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 3984] write(3, "1000", 4) = 4 [pid 3984] close(3) = 0 [pid 3984] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3984] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3973] close(13 [pid 3613] getdents64(3, [pid 3984] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3984] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3973] close(14 [pid 3613] close(3 [pid 3984] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... close resumed>) = 0 [pid 3984] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3973] close(15 [pid 3613] rmdir("./38" [pid 3973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] kill(-44, SIGKILL) = 0 [pid 3613] <... rmdir resumed>) = 0 [pid 3973] +++ killed by SIGKILL +++ [pid 3620] kill(44, SIGKILL [pid 3613] mkdir("./39", 0777) = 0 [pid 3620] <... kill resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=44, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 3985 attached [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 41 [pid 3985] chdir("./39") = 0 [pid 3620] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3985] setpgid(0, 0) = 0 [pid 3620] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3985] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3620] <... openat resumed>) = 3 [pid 3620] fstat(3, [pid 3985] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3985] <... symlink resumed>) = 0 [pid 3620] getdents64(3, [pid 3985] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3985] <... symlink resumed>) = 0 [pid 3620] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3985] <... openat resumed>) = 3 [pid 3985] write(3, "1000", 4) = 4 [pid 3985] close(3 [pid 3620] lstat("./42/binderfs", [pid 3985] <... close resumed>) = 0 [pid 3985] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3985] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] unlink("./42/binderfs" [pid 3985] <... socket resumed>) = 3 [pid 3620] <... unlink resumed>) = 0 [pid 3985] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3985] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./42/cgroup", [pid 3985] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./42/cgroup" [pid 3985] <... bind resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./42/cgroup.net" [pid 3985] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./42/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./42") = 0 [pid 3620] mkdir("./43", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 45 ./strace-static-x86_64: Process 3986 attached [pid 3986] chdir("./43") = 0 [pid 3986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3986] setpgid(0, 0) = 0 [pid 3986] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3986] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [ 161.038434][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807806e400: abort rx timeout. Force session deactivation [pid 3986] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3986] write(3, "1000", 4) = 4 [pid 3986] close(3) = 0 [pid 3986] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3986] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3986] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3986] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3986] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3983] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 161.511978][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f4cb000: rx timeout, send abort [ 161.529881][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b90e400: rx timeout, send abort [ 161.538338][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077759800: rx timeout, send abort [pid 3983] close(3 [pid 3984] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3984] close(3) = 0 [pid 3984] close(4) = -1 EBADF (Bad file descriptor) [pid 3984] close(5) = -1 EBADF (Bad file descriptor) [pid 3984] close(6) = -1 EBADF (Bad file descriptor) [pid 3984] close(7) = -1 EBADF (Bad file descriptor) [pid 3984] close(8) = -1 EBADF (Bad file descriptor) [pid 3984] close(9) = -1 EBADF (Bad file descriptor) [pid 3984] close(10) = -1 EBADF (Bad file descriptor) [pid 3984] close(11) = -1 EBADF (Bad file descriptor) [pid 3984] close(12) = -1 EBADF (Bad file descriptor) [pid 3984] close(13) = -1 EBADF (Bad file descriptor) [pid 3984] close(14) = -1 EBADF (Bad file descriptor) [pid 3984] close(15) = -1 EBADF (Bad file descriptor) [pid 3984] close(16) = -1 EBADF (Bad file descriptor) [pid 3984] close(17) = -1 EBADF (Bad file descriptor) [pid 3984] close(18) = -1 EBADF (Bad file descriptor) [pid 3984] close(19) = -1 EBADF (Bad file descriptor) [pid 3984] close(20 [pid 3983] <... close resumed>) = 0 [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(4 [pid 3984] close(21 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(5 [pid 3984] close(22 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(6 [pid 3984] close(23 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(7 [pid 3984] close(24 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(8 [pid 3984] close(25 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(9 [pid 3984] close(26 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(10 [pid 3984] close(27 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(11 [pid 3984] close(28 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(12 [pid 3984] close(29 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(13 [pid 3984] exit_group(0 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3984] <... exit_group resumed>) = ? [pid 3983] close(14 [pid 3984] +++ exited with 0 +++ [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 161.551401][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f5cd000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 161.565856][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d535800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 161.576404][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b90e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 161.594694][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077759800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3983] close(15) = -1 EBADF (Bad file descriptor) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3983] close(16 [pid 3617] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3983] close(17 [pid 3617] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... openat resumed>) = 3 [pid 3983] close(18 [pid 3617] fstat(3, [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3983] close(19 [pid 3617] getdents64(3, [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3983] close(20 [pid 3617] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3983] close(21 [pid 3617] lstat("./37/binderfs", [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3983] close(22 [pid 3617] unlink("./37/binderfs" [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3983] close(23 [pid 3617] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3983] close(24 [pid 3617] lstat("./37/cgroup", [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3983] close(25 [pid 3617] unlink("./37/cgroup" [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3983] close(26 [pid 3617] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3983] close(27 [pid 3617] lstat("./37/cgroup.net", [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3983] close(28 [pid 3617] unlink("./37/cgroup.net" [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3983] close(29 [pid 3617] <... unlink resumed>) = 0 [pid 3983] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3983] exit_group(0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3983] <... exit_group resumed>) = ? [pid 3617] lstat("./37/cgroup.cpu", [pid 3983] +++ exited with 0 +++ [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3618] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] unlink("./37/cgroup.cpu" [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] <... unlink resumed>) = 0 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./47/binderfs") = 0 [pid 3618] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./47/cgroup") = 0 [pid 3618] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./47/cgroup.net") = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./47/cgroup.cpu" [pid 3617] close(3 [pid 3618] <... unlink resumed>) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./47") = 0 [pid 3618] mkdir("./48", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3987 attached [pid 3617] <... close resumed>) = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 50 [pid 3987] chdir("./48" [pid 3617] rmdir("./37" [pid 3987] <... chdir resumed>) = 0 [pid 3617] <... rmdir resumed>) = 0 [pid 3987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] mkdir("./38", 0777 [pid 3987] <... prctl resumed>) = 0 [pid 3987] setpgid(0, 0 [pid 3617] <... mkdir resumed>) = 0 [pid 3987] <... setpgid resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3987] symlink("/syzcgroup/unified/syz0", "./cgroup"./strace-static-x86_64: Process 3988 attached [pid 3988] chdir("./38" [pid 3987] <... symlink resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 40 [pid 3988] <... chdir resumed>) = 0 [pid 3987] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3988] setpgid(0, 0) = 0 [pid 3988] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3988] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3987] <... symlink resumed>) = 0 [pid 3988] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3987] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3988] <... symlink resumed>) = 0 [pid 3988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3988] write(3, "1000", 4) = 4 [pid 3988] close(3) = 0 [pid 3988] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3988] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3988] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3988] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3988] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3987] <... symlink resumed>) = 0 [pid 3987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3987] write(3, "1000", 4) = 4 [pid 3987] close(3) = 0 [pid 3987] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3987] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3987] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3987] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3987] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3985] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 161.911063][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888025496800: rx timeout, send abort [ 161.919444][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807cbcd800: rx timeout, send abort [pid 3985] close(3) = 0 [pid 3985] close(4) = -1 EBADF (Bad file descriptor) [pid 3985] close(5) = -1 EBADF (Bad file descriptor) [pid 3985] close(6) = -1 EBADF (Bad file descriptor) [pid 3985] close(7) = -1 EBADF (Bad file descriptor) [pid 3985] close(8) = -1 EBADF (Bad file descriptor) [pid 3985] close(9) = -1 EBADF (Bad file descriptor) [pid 3985] close(10) = -1 EBADF (Bad file descriptor) [pid 3985] close(11) = -1 EBADF (Bad file descriptor) [pid 3985] close(12) = -1 EBADF (Bad file descriptor) [pid 3985] close(13) = -1 EBADF (Bad file descriptor) [pid 3985] close(14) = -1 EBADF (Bad file descriptor) [pid 3985] close(15) = -1 EBADF (Bad file descriptor) [pid 3985] close(16) = -1 EBADF (Bad file descriptor) [pid 3985] close(17) = -1 EBADF (Bad file descriptor) [pid 3985] close(18) = -1 EBADF (Bad file descriptor) [pid 3985] close(19) = -1 EBADF (Bad file descriptor) [pid 3985] close(20) = -1 EBADF (Bad file descriptor) [pid 3985] close(21) = -1 EBADF (Bad file descriptor) [pid 3985] close(22) = -1 EBADF (Bad file descriptor) [pid 3985] close(23) = -1 EBADF (Bad file descriptor) [pid 3985] close(24) = -1 EBADF (Bad file descriptor) [pid 3985] close(25) = -1 EBADF (Bad file descriptor) [pid 3985] close(26) = -1 EBADF (Bad file descriptor) [pid 3985] close(27) = -1 EBADF (Bad file descriptor) [pid 3985] close(28) = -1 EBADF (Bad file descriptor) [pid 3985] close(29) = -1 EBADF (Bad file descriptor) [pid 3985] exit_group(0) = ? [pid 3985] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 161.990577][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888025496800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 162.005155][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807cbcd800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 162.026725][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f4cb000: abort rx timeout. Force session deactivation [pid 3613] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3982] <... sendmsg resumed>) = 106496 [pid 3982] close(3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./39/binderfs") = 0 [pid 3613] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./39/cgroup") = 0 [pid 3613] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./39/cgroup.net") = 0 [pid 3613] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./39/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./39") = 0 [pid 3613] mkdir("./40", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3989 attached [pid 3989] chdir("./40") = 0 [pid 3989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 42 [pid 3989] <... prctl resumed>) = 0 [pid 3989] setpgid(0, 0) = 0 [pid 3989] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 3989] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3989] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3989] write(3, "1000", 4) = 4 [pid 3989] close(3) = 0 [pid 3989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3989] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3989] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3989] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3989] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3988] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 162.677577][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806989dc00: rx timeout, send abort [ 162.685995][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d886400: rx timeout, send abort [pid 3988] close(3) = 0 [pid 3988] close(4) = -1 EBADF (Bad file descriptor) [pid 3988] close(5) = -1 EBADF (Bad file descriptor) [pid 3988] close(6) = -1 EBADF (Bad file descriptor) [pid 3988] close(7) = -1 EBADF (Bad file descriptor) [pid 3988] close(8) = -1 EBADF (Bad file descriptor) [pid 3988] close(9) = -1 EBADF (Bad file descriptor) [pid 3988] close(10) = -1 EBADF (Bad file descriptor) [pid 3988] close(11) = -1 EBADF (Bad file descriptor) [pid 3988] close(12) = -1 EBADF (Bad file descriptor) [pid 3988] close(13) = -1 EBADF (Bad file descriptor) [pid 3988] close(14) = -1 EBADF (Bad file descriptor) [pid 3988] close(15) = -1 EBADF (Bad file descriptor) [pid 3988] close(16) = -1 EBADF (Bad file descriptor) [ 162.733231][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806989dc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 162.747894][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d886400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3988] close(17) = -1 EBADF (Bad file descriptor) [pid 3988] close(18) = -1 EBADF (Bad file descriptor) [pid 3988] close(19) = -1 EBADF (Bad file descriptor) [pid 3988] close(20) = -1 EBADF (Bad file descriptor) [pid 3988] close(21) = -1 EBADF (Bad file descriptor) [pid 3988] close(22) = -1 EBADF (Bad file descriptor) [pid 3988] close(23) = -1 EBADF (Bad file descriptor) [pid 3988] close(24) = -1 EBADF (Bad file descriptor) [pid 3988] close(25) = -1 EBADF (Bad file descriptor) [pid 3988] close(26) = -1 EBADF (Bad file descriptor) [pid 3988] close(27) = -1 EBADF (Bad file descriptor) [pid 3988] close(28) = -1 EBADF (Bad file descriptor) [pid 3988] close(29) = -1 EBADF (Bad file descriptor) [pid 3988] exit_group(0) = ? [pid 3988] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./38/binderfs") = 0 [pid 3617] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./38/cgroup") = 0 [pid 3617] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./38/cgroup.net") = 0 [pid 3617] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./38/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./38") = 0 [pid 3617] mkdir("./39", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 41 ./strace-static-x86_64: Process 3990 attached [pid 3990] chdir("./39" [pid 3989] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3989] close(3 [pid 3990] <... chdir resumed>) = 0 [pid 3990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3990] setpgid(0, 0) = 0 [pid 3990] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3990] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3990] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [ 163.190855][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888066828000: rx timeout, send abort [ 163.199267][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888066829400: rx timeout, send abort [pid 3990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3990] write(3, "1000", 4) = 4 [pid 3990] close(3) = 0 [pid 3990] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3989] <... close resumed>) = 0 [pid 3989] close(4) = -1 EBADF (Bad file descriptor) [pid 3990] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3989] close(5) = -1 EBADF (Bad file descriptor) [pid 3989] close(6) = -1 EBADF (Bad file descriptor) [pid 3989] close(7) = -1 EBADF (Bad file descriptor) [pid 3989] close(8) = -1 EBADF (Bad file descriptor) [pid 3989] close(9) = -1 EBADF (Bad file descriptor) [pid 3989] close(10) = -1 EBADF (Bad file descriptor) [pid 3989] close(11) = -1 EBADF (Bad file descriptor) [pid 3989] close(12) = -1 EBADF (Bad file descriptor) [pid 3989] close(13) = -1 EBADF (Bad file descriptor) [pid 3989] close(14) = -1 EBADF (Bad file descriptor) [pid 3989] close(15) = -1 EBADF (Bad file descriptor) [pid 3989] close(16) = -1 EBADF (Bad file descriptor) [pid 3989] close(17) = -1 EBADF (Bad file descriptor) [pid 3989] close(18) = -1 EBADF (Bad file descriptor) [pid 3990] <... socket resumed>) = 3 [pid 3989] close(19) = -1 EBADF (Bad file descriptor) [pid 3990] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3989] close(20) = -1 EBADF (Bad file descriptor) [pid 3989] close(21 [pid 3990] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3989] close(22) = -1 EBADF (Bad file descriptor) [pid 3989] close(23) = -1 EBADF (Bad file descriptor) [pid 3989] close(24 [pid 3990] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] <... bind resumed>) = 0 [pid 3989] close(25) = -1 EBADF (Bad file descriptor) [pid 3989] close(26) = -1 EBADF (Bad file descriptor) [pid 3990] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3989] close(27) = -1 EBADF (Bad file descriptor) [pid 3989] close(28) = -1 EBADF (Bad file descriptor) [pid 3989] close(29) = -1 EBADF (Bad file descriptor) [pid 3989] exit_group(0) = ? [pid 3989] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 163.261849][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066828000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 163.276409][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066829400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./40/binderfs") = 0 [pid 3613] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./40/cgroup") = 0 [pid 3613] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./40/cgroup.net") = 0 [pid 3613] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3979] <... close resumed>) = 0 [pid 3979] close(4 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./40/cgroup.cpu", [pid 3979] close(5) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3979] close(6 [pid 3613] unlink("./40/cgroup.cpu" [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 3979] close(7) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 3979] close(8 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] close(3 [pid 3979] close(9) = -1 EBADF (Bad file descriptor) [pid 3613] <... close resumed>) = 0 [pid 3979] close(10 [pid 3613] rmdir("./40" [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3979] close(11 [pid 3613] <... rmdir resumed>) = 0 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] mkdir("./41", 0777 [pid 3979] close(12 [pid 3613] <... mkdir resumed>) = 0 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3979] close(13 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3991 attached [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 43 [pid 3979] close(14 [pid 3991] chdir("./41" [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... chdir resumed>) = 0 [pid 3979] close(15 [pid 3991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3979] close(16 [pid 3991] <... prctl resumed>) = 0 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] setpgid(0, 0 [pid 3979] close(17 [pid 3991] <... setpgid resumed>) = 0 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3979] close(18 [pid 3991] <... symlink resumed>) = 0 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3979] close(19 [pid 3991] <... symlink resumed>) = 0 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3979] close(20 [pid 3991] <... symlink resumed>) = 0 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3979] close(21 [pid 3991] <... openat resumed>) = 3 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] write(3, "1000", 4) = 4 [pid 3979] close(22 [pid 3991] close(3 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = 0 [pid 3979] close(23 [pid 3991] symlink("/dev/binderfs", "./binderfs" [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... symlink resumed>) = 0 [pid 3979] close(24 [pid 3991] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... socket resumed>) = 3 [pid 3979] close(25 [pid 3991] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3979] close(26 [pid 3991] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... bind resumed>) = 0 [pid 3979] close(27) = -1 EBADF (Bad file descriptor) [pid 3991] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3979] close(28) = -1 EBADF (Bad file descriptor) [pid 3979] close(29) = -1 EBADF (Bad file descriptor) [pid 3979] exit_group(0) = ? [pid 3979] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./44/binderfs") = 0 [pid 3619] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./44/cgroup") = 0 [pid 3619] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./44/cgroup.net") = 0 [pid 3619] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./44/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./44") = 0 [pid 3619] mkdir("./45", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3982] <... close resumed>) = 0 [pid 3982] close(4) = -1 EBADF (Bad file descriptor) [pid 3982] close(5) = -1 EBADF (Bad file descriptor) [pid 3982] close(6) = -1 EBADF (Bad file descriptor) [pid 3982] close(7) = -1 EBADF (Bad file descriptor) [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 47 ./strace-static-x86_64: Process 3992 attached [pid 3982] close(8 [pid 3992] chdir("./45" [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... chdir resumed>) = 0 [pid 3982] close(9 [pid 3992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... prctl resumed>) = 0 [pid 3982] close(10 [pid 3992] setpgid(0, 0 [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... setpgid resumed>) = 0 [pid 3982] close(11 [pid 3992] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... symlink resumed>) = 0 [pid 3982] close(12 [pid 3992] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... symlink resumed>) = 0 [pid 3982] close(13 [pid 3992] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... symlink resumed>) = 0 [pid 3982] close(14 [pid 3992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... openat resumed>) = 3 [pid 3982] close(15 [pid 3992] write(3, "1000", 4 [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... write resumed>) = 4 [pid 3982] close(16 [pid 3992] close(3 [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... close resumed>) = 0 [pid 3982] close(17 [pid 3992] symlink("/dev/binderfs", "./binderfs" [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... symlink resumed>) = 0 [pid 3982] close(18 [pid 3992] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... socket resumed>) = 3 [pid 3982] close(19 [pid 3992] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3982] close(20 [pid 3992] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... bind resumed>) = 0 [pid 3982] close(21 [pid 3992] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3982] close(22) = -1 EBADF (Bad file descriptor) [pid 3982] close(23) = -1 EBADF (Bad file descriptor) [pid 3982] close(24) = -1 EBADF (Bad file descriptor) [pid 3982] close(25) = -1 EBADF (Bad file descriptor) [pid 3982] close(26) = -1 EBADF (Bad file descriptor) [pid 3982] close(27) = -1 EBADF (Bad file descriptor) [pid 3982] close(28) = -1 EBADF (Bad file descriptor) [pid 3982] close(29) = -1 EBADF (Bad file descriptor) [pid 3982] exit_group(0) = ? [pid 3982] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./46/binderfs") = 0 [pid 3616] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./46/cgroup") = 0 [pid 3616] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./46/cgroup.net") = 0 [pid 3616] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./46/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./46") = 0 [pid 3616] mkdir("./47", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 49 ./strace-static-x86_64: Process 3993 attached [pid 3993] chdir("./47") = 0 [pid 3993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3993] setpgid(0, 0) = 0 [pid 3993] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 3993] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3993] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3993] write(3, "1000", 4) = 4 [pid 3993] close(3) = 0 [pid 3993] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3993] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3993] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3993] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3993] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3990] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 164.278050][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a0ffc00: rx timeout, send abort [ 164.286462][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888075320c00: rx timeout, send abort [pid 3990] close(3) = 0 [pid 3990] close(4 [pid 3986] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 164.343778][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a0ffc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 164.358319][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075320c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 164.376781][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888071376c00: rx timeout, send abort [ 164.385161][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888071375800: rx timeout, send abort [pid 3986] close(3 [pid 3990] close(5) = -1 EBADF (Bad file descriptor) [pid 3990] close(6 [pid 3986] <... close resumed>) = 0 [pid 3986] close(4) = -1 EBADF (Bad file descriptor) [pid 3986] close(5) = -1 EBADF (Bad file descriptor) [pid 3986] close(6) = -1 EBADF (Bad file descriptor) [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(7) = -1 EBADF (Bad file descriptor) [pid 3986] close(8) = -1 EBADF (Bad file descriptor) [pid 3986] close(9) = -1 EBADF (Bad file descriptor) [pid 3990] close(7 [pid 3986] close(10) = -1 EBADF (Bad file descriptor) [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(11) = -1 EBADF (Bad file descriptor) [pid 3986] close(12) = -1 EBADF (Bad file descriptor) [pid 3986] close(13) = -1 EBADF (Bad file descriptor) [pid 3986] close(14) = -1 EBADF (Bad file descriptor) [pid 3986] close(15) = -1 EBADF (Bad file descriptor) [pid 3986] close(16) = -1 EBADF (Bad file descriptor) [pid 3986] close(17) = -1 EBADF (Bad file descriptor) [pid 3986] close(18) = -1 EBADF (Bad file descriptor) [pid 3986] close(19) = -1 EBADF (Bad file descriptor) [pid 3986] close(20) = -1 EBADF (Bad file descriptor) [pid 3986] close(21) = -1 EBADF (Bad file descriptor) [pid 3986] close(22) = -1 EBADF (Bad file descriptor) [pid 3986] close(23) = -1 EBADF (Bad file descriptor) [pid 3986] close(24) = -1 EBADF (Bad file descriptor) [pid 3990] close(8 [pid 3986] close(25 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(26) = -1 EBADF (Bad file descriptor) [pid 3986] close(27) = -1 EBADF (Bad file descriptor) [pid 3986] close(28 [pid 3990] close(9 [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3986] close(29 [pid 3990] close(10 [pid 3986] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 164.443619][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888071376c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 164.458103][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888071375800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3986] exit_group(0) = ? [pid 3986] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] close(11 [pid 3620] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3990] close(12 [pid 3620] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... openat resumed>) = 3 [pid 3990] close(13 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3990] close(14 [pid 3620] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./43/binderfs") = 0 [pid 3620] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./43/cgroup") = 0 [pid 3620] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./43/cgroup.net" [pid 3990] close(15 [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./43/cgroup.cpu" [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3 [pid 3990] close(16 [pid 3620] <... close resumed>) = 0 [pid 3620] rmdir("./43") = 0 [pid 3620] mkdir("./44", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 46 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3994 attached [pid 3990] close(17 [pid 3994] chdir("./44" [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... chdir resumed>) = 0 [pid 3990] close(18 [pid 3994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... prctl resumed>) = 0 [pid 3990] close(19 [pid 3994] setpgid(0, 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... setpgid resumed>) = 0 [pid 3990] close(20 [pid 3994] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... symlink resumed>) = 0 [pid 3990] close(21 [pid 3994] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... symlink resumed>) = 0 [pid 3994] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3990] close(22 [pid 3994] <... symlink resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3990] close(23 [pid 3994] <... openat resumed>) = 3 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3987] <... sendmsg resumed>) = 106496 [pid 3994] write(3, "1000", 4 [pid 3990] close(24 [pid 3987] close(3 [pid 3994] <... write resumed>) = 4 [pid 3994] close(3 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = 0 [pid 3990] close(25 [pid 3994] symlink("/dev/binderfs", "./binderfs" [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... symlink resumed>) = 0 [pid 3990] close(26 [pid 3994] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... socket resumed>) = 3 [pid 3990] close(27 [pid 3994] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3990] close(28) = -1 EBADF (Bad file descriptor) [pid 3990] close(29 [pid 3994] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... bind resumed>) = 0 [pid 3990] exit_group(0 [pid 3994] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3990] <... exit_group resumed>) = ? [pid 3990] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3617] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./39/binderfs") = 0 [pid 3617] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./39/cgroup") = 0 [pid 3617] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./39/cgroup.net") = 0 [pid 3617] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./39/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./39") = 0 [pid 3617] mkdir("./40", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 42 ./strace-static-x86_64: Process 3995 attached [pid 3995] chdir("./40") = 0 [pid 3995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3995] setpgid(0, 0) = 0 [pid 3995] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3995] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3995] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3995] write(3, "1000", 4) = 4 [pid 3995] close(3) = 0 [pid 3995] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3995] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3995] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3995] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3995] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3992] <... sendmsg resumed>) = 106496 [pid 3992] close(3 [pid 3994] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 165.681816][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880694c0c00: rx timeout, send abort [ 165.690216][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065b21400: rx timeout, send abort [pid 3994] close(3 [pid 3995] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3994] <... close resumed>) = 0 [pid 3995] close(3 [pid 3994] close(4) = -1 EBADF (Bad file descriptor) [ 165.724757][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880694c0c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 165.739282][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065b21400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 165.742887][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d1e9800: rx timeout, send abort [ 165.762020][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d1ea400: rx timeout, send abort [ 165.795288][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d1e9800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 165.809850][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d1ea400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3994] close(5 [pid 3995] <... close resumed>) = 0 [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] close(6) = -1 EBADF (Bad file descriptor) [pid 3995] close(4 [pid 3994] close(7) = -1 EBADF (Bad file descriptor) [pid 3994] close(8) = -1 EBADF (Bad file descriptor) [pid 3994] close(9 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] close(10) = -1 EBADF (Bad file descriptor) [pid 3994] close(11) = -1 EBADF (Bad file descriptor) [pid 3995] close(5 [pid 3994] close(12) = -1 EBADF (Bad file descriptor) [pid 3994] close(13) = -1 EBADF (Bad file descriptor) [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] close(14) = -1 EBADF (Bad file descriptor) [pid 3994] close(15) = -1 EBADF (Bad file descriptor) [pid 3994] close(16) = -1 EBADF (Bad file descriptor) [pid 3994] close(17) = -1 EBADF (Bad file descriptor) [pid 3994] close(18) = -1 EBADF (Bad file descriptor) [pid 3994] close(19 [pid 3995] close(6 [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] close(20) = -1 EBADF (Bad file descriptor) [pid 3994] close(21) = -1 EBADF (Bad file descriptor) [pid 3994] close(22) = -1 EBADF (Bad file descriptor) [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] close(23) = -1 EBADF (Bad file descriptor) [pid 3994] close(24) = -1 EBADF (Bad file descriptor) [pid 3995] close(7 [pid 3994] close(25) = -1 EBADF (Bad file descriptor) [pid 3994] close(26) = -1 EBADF (Bad file descriptor) [pid 3994] close(27) = -1 EBADF (Bad file descriptor) [pid 3994] close(28 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3994] close(29) = -1 EBADF (Bad file descriptor) [pid 3995] close(8 [pid 3994] exit_group(0) = ? [pid 3994] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3620] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./44/binderfs", [pid 3995] close(9 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./44/binderfs") = 0 [pid 3620] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3995] close(10 [pid 3620] unlink("./44/cgroup" [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3995] close(11 [pid 3620] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(12) = -1 EBADF (Bad file descriptor) [pid 3995] close(13) = -1 EBADF (Bad file descriptor) [pid 3995] close(14) = -1 EBADF (Bad file descriptor) [pid 3995] close(15) = -1 EBADF (Bad file descriptor) [pid 3995] close(16) = -1 EBADF (Bad file descriptor) [pid 3995] close(17) = -1 EBADF (Bad file descriptor) [pid 3995] close(18) = -1 EBADF (Bad file descriptor) [pid 3995] close(19) = -1 EBADF (Bad file descriptor) [pid 3995] close(20) = -1 EBADF (Bad file descriptor) [pid 3995] close(21) = -1 EBADF (Bad file descriptor) [pid 3995] close(22) = -1 EBADF (Bad file descriptor) [pid 3995] close(23) = -1 EBADF (Bad file descriptor) [pid 3995] close(24 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./44/cgroup.net", [pid 3995] close(25) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3995] close(26 [pid 3620] unlink("./44/cgroup.net" [pid 3995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3995] close(27) = -1 EBADF (Bad file descriptor) [pid 3995] close(28) = -1 EBADF (Bad file descriptor) [pid 3995] close(29) = -1 EBADF (Bad file descriptor) [pid 3995] exit_group(0) = ? [pid 3995] +++ exited with 0 +++ [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] unlink("./44/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./44") = 0 [pid 3620] mkdir("./45", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 3996 attached [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 47 [pid 3996] chdir("./45" [pid 3617] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3996] <... chdir resumed>) = 0 [pid 3996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3996] setpgid(0, 0) = 0 [pid 3996] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3996] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3617] <... openat resumed>) = 3 [pid 3617] fstat(3, [pid 3996] <... symlink resumed>) = 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3996] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] getdents64(3, [pid 3996] write(3, "1000", 4) = 4 [pid 3996] close(3) = 0 [pid 3996] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3996] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3996] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3996] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3996] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./40/binderfs") = 0 [pid 3617] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./40/cgroup") = 0 [pid 3617] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./40/cgroup.net") = 0 [pid 3617] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./40/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./40") = 0 [pid 3617] mkdir("./41", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3997 attached [pid 3997] chdir("./41" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 43 [pid 3997] <... chdir resumed>) = 0 [pid 3997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3997] setpgid(0, 0) = 0 [pid 3997] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3997] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 3997] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3997] write(3, "1000", 4) = 4 [pid 3997] close(3) = 0 [pid 3997] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3997] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3997] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3997] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3997] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3991] <... sendmsg resumed>) = 106496 [pid 3991] close(3 [pid 3618] kill(-50, SIGKILL) = 0 [pid 3618] kill(50, SIGKILL) = 0 [pid 3987] <... close resumed>) = ? [pid 3987] +++ killed by SIGKILL +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=50, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3618] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./48/binderfs") = 0 [pid 3618] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./48/cgroup") = 0 [pid 3618] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./48/cgroup.net") = 0 [pid 3618] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./48/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./48") = 0 [pid 3618] mkdir("./49", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3998 attached [pid 3998] chdir("./49" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 51 [pid 3998] <... chdir resumed>) = 0 [pid 3998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3998] setpgid(0, 0) = 0 [pid 3998] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3998] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 3998] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3998] write(3, "1000", 4) = 4 [pid 3998] close(3) = 0 [pid 3998] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3998] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3998] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3998] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3998] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3996] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 166.916716][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888026bdf800: rx timeout, send abort [ 166.925144][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888076b2c800: rx timeout, send abort [pid 3996] close(3 [pid 3993] <... sendmsg resumed>) = 106496 [pid 3996] <... close resumed>) = 0 [pid 3996] close(4) = -1 EBADF (Bad file descriptor) [pid 3996] close(5) = -1 EBADF (Bad file descriptor) [pid 3996] close(6) = -1 EBADF (Bad file descriptor) [pid 3996] close(7) = -1 EBADF (Bad file descriptor) [pid 3996] close(8) = -1 EBADF (Bad file descriptor) [pid 3996] close(9) = -1 EBADF (Bad file descriptor) [pid 3996] close(10) = -1 EBADF (Bad file descriptor) [pid 3993] close(3 [pid 3996] close(11) = -1 EBADF (Bad file descriptor) [pid 3996] close(12) = -1 EBADF (Bad file descriptor) [pid 3996] close(13) = -1 EBADF (Bad file descriptor) [pid 3996] close(14) = -1 EBADF (Bad file descriptor) [pid 3996] close(15) = -1 EBADF (Bad file descriptor) [pid 3996] close(16) = -1 EBADF (Bad file descriptor) [pid 3996] close(17) = -1 EBADF (Bad file descriptor) [ 166.956172][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888026bdf800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 166.970759][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076b2c800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3996] close(18) = -1 EBADF (Bad file descriptor) [pid 3996] close(19) = -1 EBADF (Bad file descriptor) [pid 3996] close(20) = -1 EBADF (Bad file descriptor) [pid 3996] close(21) = -1 EBADF (Bad file descriptor) [pid 3996] close(22) = -1 EBADF (Bad file descriptor) [pid 3996] close(23) = -1 EBADF (Bad file descriptor) [pid 3996] close(24) = -1 EBADF (Bad file descriptor) [pid 3996] close(25) = -1 EBADF (Bad file descriptor) [pid 3996] close(26) = -1 EBADF (Bad file descriptor) [pid 3996] close(27) = -1 EBADF (Bad file descriptor) [pid 3996] close(28) = -1 EBADF (Bad file descriptor) [pid 3996] close(29) = -1 EBADF (Bad file descriptor) [pid 3996] exit_group(0) = ? [pid 3996] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3620] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./45/binderfs") = 0 [pid 3620] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./45/cgroup") = 0 [pid 3620] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./45/cgroup.net") = 0 [pid 3620] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./45/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./45") = 0 [pid 3620] mkdir("./46", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3999 attached , child_tidptr=0x555556f5d5d0) = 48 [pid 3999] chdir("./46") = 0 [pid 3999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3999] setpgid(0, 0) = 0 [pid 3999] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3999] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3999] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3997] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3999] <... openat resumed>) = 3 [pid 3999] write(3, "1000", 4) = 4 [pid 3999] close(3) = 0 [pid 3999] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3999] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3999] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3999] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3999] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 167.308070][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880210eac00: rx timeout, send abort [ 167.316499][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068e6f800: rx timeout, send abort [pid 3997] close(3) = 0 [pid 3997] close(4) = -1 EBADF (Bad file descriptor) [pid 3997] close(5) = -1 EBADF (Bad file descriptor) [pid 3997] close(6) = -1 EBADF (Bad file descriptor) [pid 3997] close(7) = -1 EBADF (Bad file descriptor) [pid 3997] close(8) = -1 EBADF (Bad file descriptor) [ 167.350121][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880210eac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 167.364684][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068e6f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3997] close(9) = -1 EBADF (Bad file descriptor) [pid 3997] close(10) = -1 EBADF (Bad file descriptor) [pid 3997] close(11) = -1 EBADF (Bad file descriptor) [pid 3997] close(12) = -1 EBADF (Bad file descriptor) [pid 3997] close(13) = -1 EBADF (Bad file descriptor) [pid 3997] close(14) = -1 EBADF (Bad file descriptor) [pid 3997] close(15) = -1 EBADF (Bad file descriptor) [pid 3997] close(16) = -1 EBADF (Bad file descriptor) [pid 3997] close(17) = -1 EBADF (Bad file descriptor) [pid 3997] close(18) = -1 EBADF (Bad file descriptor) [pid 3997] close(19) = -1 EBADF (Bad file descriptor) [pid 3997] close(20) = -1 EBADF (Bad file descriptor) [pid 3997] close(21) = -1 EBADF (Bad file descriptor) [pid 3997] close(22) = -1 EBADF (Bad file descriptor) [pid 3997] close(23) = -1 EBADF (Bad file descriptor) [pid 3997] close(24) = -1 EBADF (Bad file descriptor) [pid 3997] close(25) = -1 EBADF (Bad file descriptor) [pid 3997] close(26) = -1 EBADF (Bad file descriptor) [pid 3997] close(27) = -1 EBADF (Bad file descriptor) [pid 3997] close(28) = -1 EBADF (Bad file descriptor) [pid 3997] close(29) = -1 EBADF (Bad file descriptor) [pid 3997] exit_group(0) = ? [pid 3997] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3617] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./41/binderfs") = 0 [pid 3617] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./41/cgroup") = 0 [pid 3617] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./41/cgroup.net") = 0 [pid 3617] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./41/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./41") = 0 [pid 3617] mkdir("./42", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 44 ./strace-static-x86_64: Process 4000 attached [pid 4000] chdir("./42") = 0 [pid 4000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4000] setpgid(0, 0) = 0 [pid 4000] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4000] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4000] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4000] write(3, "1000", 4) = 4 [pid 3992] <... close resumed>) = 0 [pid 3992] close(4) = -1 EBADF (Bad file descriptor) [pid 4000] close(3 [pid 3992] close(5 [pid 4000] <... close resumed>) = 0 [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] close(6 [pid 4000] symlink("/dev/binderfs", "./binderfs" [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] close(7) = -1 EBADF (Bad file descriptor) [pid 3992] close(8) = -1 EBADF (Bad file descriptor) [pid 3992] close(9) = -1 EBADF (Bad file descriptor) [pid 3992] close(10) = -1 EBADF (Bad file descriptor) [pid 3992] close(11) = -1 EBADF (Bad file descriptor) [pid 3992] close(12) = -1 EBADF (Bad file descriptor) [pid 4000] <... symlink resumed>) = 0 [pid 3992] close(13) = -1 EBADF (Bad file descriptor) [pid 3992] close(14) = -1 EBADF (Bad file descriptor) [pid 3992] close(15) = -1 EBADF (Bad file descriptor) [pid 3992] close(16) = -1 EBADF (Bad file descriptor) [pid 3992] close(17) = -1 EBADF (Bad file descriptor) [pid 3992] close(18) = -1 EBADF (Bad file descriptor) [pid 3992] close(19) = -1 EBADF (Bad file descriptor) [pid 3992] close(20) = -1 EBADF (Bad file descriptor) [pid 4000] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3992] close(21) = -1 EBADF (Bad file descriptor) [pid 3992] close(22) = -1 EBADF (Bad file descriptor) [pid 4000] <... socket resumed>) = 3 [pid 3992] close(23) = -1 EBADF (Bad file descriptor) [pid 3992] close(24 [pid 4000] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] close(25) = -1 EBADF (Bad file descriptor) [pid 3992] close(26) = -1 EBADF (Bad file descriptor) [pid 3992] close(27) = -1 EBADF (Bad file descriptor) [pid 3992] close(28) = -1 EBADF (Bad file descriptor) [pid 3992] close(29) = -1 EBADF (Bad file descriptor) [pid 4000] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3992] exit_group(0) = ? [pid 3992] +++ exited with 0 +++ [pid 4000] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 4000] <... bind resumed>) = 0 [pid 4000] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./45/binderfs") = 0 [pid 3619] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./45/cgroup") = 0 [pid 3619] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./45/cgroup.net") = 0 [pid 3619] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./45/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./45") = 0 [pid 3619] mkdir("./46", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4001 attached [pid 4001] chdir("./46" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 48 [pid 4001] <... chdir resumed>) = 0 [pid 4001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4001] setpgid(0, 0) = 0 [pid 4001] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4001] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4001] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4001] write(3, "1000", 4) = 4 [pid 4001] close(3) = 0 [pid 4001] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4001] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4001] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4001] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 168.025182][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888023671400: rx timeout, send abort [pid 4001] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3998] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3998] close(3) = 0 [pid 3998] close(4) = -1 EBADF (Bad file descriptor) [pid 3998] close(5) = -1 EBADF (Bad file descriptor) [pid 3998] close(6) = -1 EBADF (Bad file descriptor) [pid 3998] close(7) = -1 EBADF (Bad file descriptor) [pid 3998] close(8) = -1 EBADF (Bad file descriptor) [pid 3998] close(9) = -1 EBADF (Bad file descriptor) [pid 3998] close(10) = -1 EBADF (Bad file descriptor) [pid 3998] close(11) = -1 EBADF (Bad file descriptor) [pid 3998] close(12) = -1 EBADF (Bad file descriptor) [pid 3998] close(13) = -1 EBADF (Bad file descriptor) [pid 3998] close(14) = -1 EBADF (Bad file descriptor) [pid 3998] close(15) = -1 EBADF (Bad file descriptor) [pid 3998] close(16) = -1 EBADF (Bad file descriptor) [pid 3998] close(17) = -1 EBADF (Bad file descriptor) [pid 3998] close(18) = -1 EBADF (Bad file descriptor) [pid 3998] close(19) = -1 EBADF (Bad file descriptor) [ 168.101612][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069871c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 168.116060][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066115c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3998] close(20) = -1 EBADF (Bad file descriptor) [pid 3998] close(21) = -1 EBADF (Bad file descriptor) [pid 3998] close(22) = -1 EBADF (Bad file descriptor) [pid 3998] close(23) = -1 EBADF (Bad file descriptor) [pid 3998] close(24) = -1 EBADF (Bad file descriptor) [pid 3998] close(25) = -1 EBADF (Bad file descriptor) [pid 3998] close(26) = -1 EBADF (Bad file descriptor) [pid 3998] close(27) = -1 EBADF (Bad file descriptor) [pid 3998] close(28) = -1 EBADF (Bad file descriptor) [pid 3998] close(29) = -1 EBADF (Bad file descriptor) [pid 3998] exit_group(0) = ? [pid 3998] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./49/binderfs") = 0 [pid 3618] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./49/cgroup") = 0 [pid 3618] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./49/cgroup.net") = 0 [pid 3618] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./49/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./49") = 0 [pid 3618] mkdir("./50", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4002 attached [pid 4002] chdir("./50" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 52 [pid 4002] <... chdir resumed>) = 0 [pid 4002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4002] setpgid(0, 0) = 0 [pid 4002] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4002] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4002] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4002] write(3, "1000", 4) = 4 [pid 4002] close(3) = 0 [pid 4002] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4002] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4002] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4002] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4002] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] kill(-43, SIGKILL) = 0 [pid 3613] kill(43, SIGKILL) = 0 [pid 3991] <... close resumed>) = ? [pid 3991] +++ killed by SIGKILL +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=43, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3613] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 168.538422][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888023671400: abort rx timeout. Force session deactivation [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./41/binderfs") = 0 [pid 3613] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./41/cgroup") = 0 [pid 3613] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./41/cgroup.net") = 0 [pid 3613] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./41/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./41") = 0 [pid 3613] mkdir("./42", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4003 attached [pid 4003] chdir("./42" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 44 [pid 4003] <... chdir resumed>) = 0 [pid 4003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4003] setpgid(0, 0) = 0 [pid 4003] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4003] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4003] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4003] write(3, "1000", 4) = 4 [pid 4003] close(3) = 0 [pid 4003] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4003] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4003] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4003] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4003] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4000] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 168.644677][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807a6dc400: rx timeout, send abort [ 168.653083][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807a6dd800: rx timeout, send abort [pid 4000] close(3) = 0 [pid 4000] close(4) = -1 EBADF (Bad file descriptor) [pid 4000] close(5) = -1 EBADF (Bad file descriptor) [pid 4000] close(6) = -1 EBADF (Bad file descriptor) [pid 4000] close(7) = -1 EBADF (Bad file descriptor) [pid 4000] close(8) = -1 EBADF (Bad file descriptor) [pid 4000] close(9) = -1 EBADF (Bad file descriptor) [pid 4000] close(10) = -1 EBADF (Bad file descriptor) [pid 4000] close(11) = -1 EBADF (Bad file descriptor) [pid 4000] close(12) = -1 EBADF (Bad file descriptor) [ 168.681924][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a6dc400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 168.696485][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a6dd800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4000] close(13) = -1 EBADF (Bad file descriptor) [pid 4000] close(14) = -1 EBADF (Bad file descriptor) [pid 4000] close(15) = -1 EBADF (Bad file descriptor) [pid 4000] close(16) = -1 EBADF (Bad file descriptor) [pid 4000] close(17) = -1 EBADF (Bad file descriptor) [pid 4000] close(18) = -1 EBADF (Bad file descriptor) [pid 4000] close(19) = -1 EBADF (Bad file descriptor) [pid 4000] close(20) = -1 EBADF (Bad file descriptor) [pid 4000] close(21) = -1 EBADF (Bad file descriptor) [pid 4000] close(22) = -1 EBADF (Bad file descriptor) [pid 4000] close(23) = -1 EBADF (Bad file descriptor) [pid 4000] close(24) = -1 EBADF (Bad file descriptor) [pid 4000] close(25) = -1 EBADF (Bad file descriptor) [pid 4000] close(26) = -1 EBADF (Bad file descriptor) [pid 4000] close(27) = -1 EBADF (Bad file descriptor) [pid 4000] close(28) = -1 EBADF (Bad file descriptor) [pid 4000] close(29) = -1 EBADF (Bad file descriptor) [pid 4000] exit_group(0) = ? [pid 4000] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./42/binderfs") = 0 [pid 3617] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./42/cgroup") = 0 [pid 3617] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./42/cgroup.net") = 0 [pid 3617] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./42/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./42") = 0 [pid 3617] mkdir("./43", 0777) = 0 [pid 4001] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4004 attached [pid 4001] close(3 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 45 [pid 4004] chdir("./43") = 0 [pid 4004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4004] setpgid(0, 0) = 0 [pid 4004] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4004] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4004] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3616] kill(-49, SIGKILL [pid 3993] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 3616] kill(49, SIGKILL) = 0 [pid 4004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3993] +++ killed by SIGKILL +++ [pid 4004] <... openat resumed>) = 3 [pid 4004] write(3, "1000", 4) = 4 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=49, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 4004] close(3) = 0 [pid 4004] symlink("/dev/binderfs", "./binderfs") = 0 [ 168.953083][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e1e3400: rx timeout, send abort [ 168.961484][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807135a400: rx timeout, send abort [pid 4004] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3616] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4004] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4004] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3616] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4004] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3616] <... openat resumed>) = 3 [pid 4004] <... bind resumed>) = 0 [pid 3616] fstat(3, [pid 4004] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./47/binderfs") = 0 [pid 3616] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./47/cgroup") = 0 [pid 3616] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4001] <... close resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./47/cgroup.net" [pid 4001] close(4 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./47/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./47") = 0 [pid 3616] mkdir("./48", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 50 ./strace-static-x86_64: Process 4005 attached [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] chdir("./48" [pid 4001] close(5 [pid 4005] <... chdir resumed>) = 0 [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4001] close(6 [pid 4005] <... prctl resumed>) = 0 [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4001] close(7 [pid 4005] setpgid(0, 0 [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... setpgid resumed>) = 0 [pid 4001] close(8 [pid 4005] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... symlink resumed>) = 0 [pid 4001] close(9 [pid 4005] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4001] close(10) = -1 EBADF (Bad file descriptor) [pid 4005] <... symlink resumed>) = 0 [pid 4001] close(11) = -1 EBADF (Bad file descriptor) [pid 4005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4001] close(12) = -1 EBADF (Bad file descriptor) [pid 4005] <... openat resumed>) = 3 [ 168.999798][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e1e3400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 169.014350][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807135a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4001] close(13 [pid 4005] write(3, "1000", 4 [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... write resumed>) = 4 [pid 4001] close(14 [pid 4005] close(3 [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = 0 [pid 4001] close(15 [pid 4005] symlink("/dev/binderfs", "./binderfs" [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... symlink resumed>) = 0 [pid 4001] close(16 [pid 4005] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... socket resumed>) = 3 [pid 4001] close(17 [pid 4005] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4001] close(18) = -1 EBADF (Bad file descriptor) [pid 4005] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4001] close(19 [pid 4005] <... bind resumed>) = 0 [pid 4001] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4001] close(20) = -1 EBADF (Bad file descriptor) [pid 4001] close(21) = -1 EBADF (Bad file descriptor) [pid 4001] close(22) = -1 EBADF (Bad file descriptor) [pid 4001] close(23) = -1 EBADF (Bad file descriptor) [pid 4001] close(24) = -1 EBADF (Bad file descriptor) [pid 4001] close(25) = -1 EBADF (Bad file descriptor) [pid 4001] close(26) = -1 EBADF (Bad file descriptor) [pid 4001] close(27) = -1 EBADF (Bad file descriptor) [pid 4001] close(28) = -1 EBADF (Bad file descriptor) [pid 4001] close(29) = -1 EBADF (Bad file descriptor) [pid 4001] exit_group(0) = ? [pid 4001] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./46/binderfs") = 0 [pid 3619] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./46/cgroup") = 0 [pid 3619] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./46/cgroup.net") = 0 [pid 3619] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./46/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./46") = 0 [pid 3619] mkdir("./47", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4006 attached , child_tidptr=0x555556f5d5d0) = 49 [pid 4006] chdir("./47") = 0 [pid 4006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4006] setpgid(0, 0) = 0 [pid 4006] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4006] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4006] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4006] write(3, "1000", 4) = 4 [pid 4006] close(3) = 0 [pid 4006] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4006] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4006] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4006] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4006] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4003] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 169.578206][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888070683800: rx timeout, send abort [ 169.586632][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806592a000: rx timeout, send abort [pid 4003] close(3) = 0 [pid 4003] close(4) = -1 EBADF (Bad file descriptor) [pid 4003] close(5) = -1 EBADF (Bad file descriptor) [pid 4003] close(6) = -1 EBADF (Bad file descriptor) [pid 4003] close(7) = -1 EBADF (Bad file descriptor) [pid 4003] close(8) = -1 EBADF (Bad file descriptor) [pid 4003] close(9) = -1 EBADF (Bad file descriptor) [ 169.626574][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888070683800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 169.641153][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806592a000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4003] close(10) = -1 EBADF (Bad file descriptor) [pid 4002] <... sendmsg resumed>) = 106496 [pid 4003] close(11 [pid 4002] close(3 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(12) = -1 EBADF (Bad file descriptor) [pid 4003] close(13) = -1 EBADF (Bad file descriptor) [pid 4003] close(14) = -1 EBADF (Bad file descriptor) [pid 4003] close(15) = -1 EBADF (Bad file descriptor) [pid 4003] close(16) = -1 EBADF (Bad file descriptor) [pid 4003] close(17 [pid 4005] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 169.731107][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806789b000: rx timeout, send abort [ 169.740535][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a8c0c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 169.755014][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a8c2800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4005] close(3 [pid 4003] close(18 [pid 4005] <... close resumed>) = 0 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(4) = -1 EBADF (Bad file descriptor) [pid 4003] close(19 [pid 4005] close(5 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(6 [pid 4003] close(20 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(7) = -1 EBADF (Bad file descriptor) [pid 4003] close(21 [pid 4005] close(8 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(22 [pid 4005] close(9 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(23 [ 169.776843][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888017352000: rx timeout, send abort [pid 4005] close(10 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(24 [pid 4005] close(11 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(25 [pid 4005] close(12) = -1 EBADF (Bad file descriptor) [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(13 [pid 4003] close(26 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(14 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(27 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(15 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] close(28 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(16) = -1 EBADF (Bad file descriptor) [pid 4003] close(29 [pid 4005] close(17 [pid 4003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3999] <... sendmsg resumed>) = 106496 [pid 4003] exit_group(0) = ? [pid 4005] close(18 [pid 3999] close(3 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4003] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4005] close(19) = -1 EBADF (Bad file descriptor) [pid 4005] close(20) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4005] close(21 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./42/binderfs") = 0 [pid 3613] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./42/cgroup" [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./42/cgroup.net") = 0 [pid 4005] close(22) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4005] close(23) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./42/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./42" [pid 4005] close(24 [pid 3613] <... rmdir resumed>) = 0 [pid 3613] mkdir("./43", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4007 attached [pid 4007] chdir("./43" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 45 [pid 4007] <... chdir resumed>) = 0 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4007] setpgid(0, 0) = 0 [pid 4007] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4007] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4007] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4005] close(25) = -1 EBADF (Bad file descriptor) [pid 4005] close(26 [pid 4007] <... symlink resumed>) = 0 [pid 4007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4007] <... openat resumed>) = 3 [pid 4005] close(27 [pid 4007] write(3, "1000", 4) = 4 [pid 4007] close(3) = 0 [pid 4007] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4007] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4007] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4007] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4007] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(28) = -1 EBADF (Bad file descriptor) [pid 4005] close(29) = -1 EBADF (Bad file descriptor) [pid 4005] exit_group(0) = ? [pid 4005] +++ exited with 0 +++ [pid 4004] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4004] close(3 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 169.970976][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880766a4800: rx timeout, send abort [ 169.979388][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069c7e400: rx timeout, send abort [pid 3616] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./48/binderfs", [pid 4004] <... close resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4004] close(4 [pid 3616] unlink("./48/binderfs") = 0 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4004] close(5 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./48/cgroup", [pid 4004] close(6 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./48/cgroup" [pid 4004] close(7) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 4004] close(8 [pid 3616] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4004] close(9) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./48/cgroup.net", [pid 4004] close(10 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./48/cgroup.net" [pid 4004] close(11 [pid 3616] <... unlink resumed>) = 0 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [ 170.074435][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880766a4800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 170.088978][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069c7e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4004] close(12 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./48/cgroup.cpu", [pid 4004] close(13) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4004] close(14 [pid 3616] unlink("./48/cgroup.cpu" [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4006] close(3 [pid 4004] close(15 [pid 3616] <... unlink resumed>) = 0 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, [pid 4004] close(16) = -1 EBADF (Bad file descriptor) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4004] close(17 [pid 3616] close(3 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(18 [pid 3616] <... close resumed>) = 0 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] rmdir("./48" [pid 4004] close(19 [pid 3616] <... rmdir resumed>) = 0 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] mkdir("./49", 0777 [pid 4004] close(20) = -1 EBADF (Bad file descriptor) [pid 3616] <... mkdir resumed>) = 0 [pid 4004] close(21 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4008 attached [pid 4004] close(22 [pid 4008] chdir("./49") = 0 [pid 4008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4008] setpgid(0, 0) = 0 [pid 4008] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4008] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [ 170.156952][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065953800: rx timeout, send abort [ 170.165337][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d797000: rx timeout, send abort [pid 4008] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 51 [pid 4008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4008] write(3, "1000", 4) = 4 [pid 4004] close(23) = -1 EBADF (Bad file descriptor) [pid 4004] close(24) = -1 EBADF (Bad file descriptor) [pid 4004] close(25) = -1 EBADF (Bad file descriptor) [pid 4004] close(26) = -1 EBADF (Bad file descriptor) [pid 4008] close(3 [pid 4006] <... close resumed>) = 0 [ 170.214205][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065953800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 170.228743][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d797000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 170.243849][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806789b000: abort rx timeout. Force session deactivation [pid 4004] close(27 [pid 4008] <... close resumed>) = 0 [pid 4006] close(4 [pid 4008] symlink("/dev/binderfs", "./binderfs" [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4008] <... symlink resumed>) = 0 [pid 4006] close(5 [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4008] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4008] <... socket resumed>) = 3 [pid 4006] close(6 [pid 4008] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4008] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4006] close(7 [pid 4008] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4008] <... bind resumed>) = 0 [pid 4006] close(8 [pid 4008] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] close(9) = -1 EBADF (Bad file descriptor) [pid 4006] close(10) = -1 EBADF (Bad file descriptor) [pid 4006] close(11) = -1 EBADF (Bad file descriptor) [pid 4006] close(12) = -1 EBADF (Bad file descriptor) [pid 4006] close(13) = -1 EBADF (Bad file descriptor) [pid 4006] close(14) = -1 EBADF (Bad file descriptor) [pid 4006] close(15) = -1 EBADF (Bad file descriptor) [pid 4006] close(16) = -1 EBADF (Bad file descriptor) [pid 4006] close(17) = -1 EBADF (Bad file descriptor) [pid 4006] close(18) = -1 EBADF (Bad file descriptor) [pid 4006] close(19) = -1 EBADF (Bad file descriptor) [pid 4006] close(20) = -1 EBADF (Bad file descriptor) [pid 4006] close(21) = -1 EBADF (Bad file descriptor) [pid 4006] close(22) = -1 EBADF (Bad file descriptor) [pid 4006] close(23) = -1 EBADF (Bad file descriptor) [pid 4006] close(24) = -1 EBADF (Bad file descriptor) [pid 4006] close(25) = -1 EBADF (Bad file descriptor) [pid 4006] close(26) = -1 EBADF (Bad file descriptor) [pid 4006] close(27) = -1 EBADF (Bad file descriptor) [pid 4006] close(28) = -1 EBADF (Bad file descriptor) [pid 4006] close(29) = -1 EBADF (Bad file descriptor) [pid 4006] exit_group(0) = ? [pid 4006] +++ exited with 0 +++ [pid 4004] close(28 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4004] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4004] close(29) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4004] exit_group(0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4004] <... exit_group resumed>) = ? [pid 3619] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4004] +++ exited with 0 +++ [pid 3619] <... openat resumed>) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./47/binderfs") = 0 [pid 3619] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 170.288826][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888017352000: abort rx timeout. Force session deactivation [pid 3619] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./47/cgroup") = 0 [pid 3619] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./47/cgroup.net") = 0 [pid 3619] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./47/cgroup.cpu") = 0 [pid 3617] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3619] close(3) = 0 [pid 3619] rmdir("./47") = 0 [pid 3619] mkdir("./48", 0777 [pid 3617] fstat(3, [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 50 ./strace-static-x86_64: Process 4009 attached [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4009] chdir("./48" [pid 3617] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4009] <... chdir resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] lstat("./43/binderfs", [pid 4009] <... prctl resumed>) = 0 [pid 4009] setpgid(0, 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4009] <... setpgid resumed>) = 0 [pid 3617] unlink("./43/binderfs") = 0 [pid 4009] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3617] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4009] <... symlink resumed>) = 0 [pid 3617] lstat("./43/cgroup", [pid 4009] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4009] <... symlink resumed>) = 0 [pid 3617] unlink("./43/cgroup" [pid 4009] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3617] <... unlink resumed>) = 0 [pid 4009] <... symlink resumed>) = 0 [pid 3617] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4009] <... openat resumed>) = 3 [pid 3617] lstat("./43/cgroup.net", [pid 4009] write(3, "1000", 4 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4009] <... write resumed>) = 4 [pid 3617] unlink("./43/cgroup.net" [pid 4009] close(3 [pid 3617] <... unlink resumed>) = 0 [pid 4009] <... close resumed>) = 0 [pid 3617] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4009] symlink("/dev/binderfs", "./binderfs" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4009] <... symlink resumed>) = 0 [pid 3617] unlink("./43/cgroup.cpu") = 0 [pid 4009] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] getdents64(3, [pid 4009] <... socket resumed>) = 3 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4009] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] close(3 [pid 4009] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4009] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] <... close resumed>) = 0 [pid 4009] <... bind resumed>) = 0 [pid 3617] rmdir("./43" [pid 4009] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... rmdir resumed>) = 0 [pid 3617] mkdir("./44", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4010 attached [pid 4010] chdir("./44" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 46 [pid 4010] <... chdir resumed>) = 0 [pid 4010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4010] setpgid(0, 0) = 0 [pid 4010] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4010] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4010] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4010] write(3, "1000", 4) = 4 [pid 4010] close(3) = 0 [pid 4010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4010] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4010] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4010] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4010] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4007] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 170.831968][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c617800: rx timeout, send abort [ 170.840345][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806ee68000: rx timeout, send abort [pid 4007] close(3) = 0 [pid 4007] close(4) = -1 EBADF (Bad file descriptor) [pid 4007] close(5) = -1 EBADF (Bad file descriptor) [pid 4007] close(6) = -1 EBADF (Bad file descriptor) [pid 4007] close(7) = -1 EBADF (Bad file descriptor) [pid 4007] close(8) = -1 EBADF (Bad file descriptor) [pid 4007] close(9) = -1 EBADF (Bad file descriptor) [pid 4007] close(10) = -1 EBADF (Bad file descriptor) [pid 4007] close(11) = -1 EBADF (Bad file descriptor) [pid 4007] close(12) = -1 EBADF (Bad file descriptor) [pid 4007] close(13) = -1 EBADF (Bad file descriptor) [pid 4007] close(14) = -1 EBADF (Bad file descriptor) [pid 4007] close(15) = -1 EBADF (Bad file descriptor) [ 170.886655][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c617800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 170.901232][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ee68000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4007] close(16) = -1 EBADF (Bad file descriptor) [pid 4007] close(17) = -1 EBADF (Bad file descriptor) [pid 4007] close(18) = -1 EBADF (Bad file descriptor) [pid 4007] close(19) = -1 EBADF (Bad file descriptor) [pid 4007] close(20) = -1 EBADF (Bad file descriptor) [pid 4007] close(21) = -1 EBADF (Bad file descriptor) [pid 4007] close(22) = -1 EBADF (Bad file descriptor) [pid 4007] close(23) = -1 EBADF (Bad file descriptor) [pid 4007] close(24) = -1 EBADF (Bad file descriptor) [pid 4007] close(25) = -1 EBADF (Bad file descriptor) [pid 4007] close(26) = -1 EBADF (Bad file descriptor) [pid 4007] close(27) = -1 EBADF (Bad file descriptor) [pid 4007] close(28) = -1 EBADF (Bad file descriptor) [pid 4007] close(29) = -1 EBADF (Bad file descriptor) [pid 4007] exit_group(0) = ? [pid 4007] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./43/binderfs") = 0 [pid 3613] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./43/cgroup") = 0 [pid 3613] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./43/cgroup.net") = 0 [pid 3613] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./43/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./43") = 0 [pid 3613] mkdir("./44", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4011 attached , child_tidptr=0x555556f5d5d0) = 46 [pid 4011] chdir("./44") = 0 [pid 4011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4011] setpgid(0, 0) = 0 [pid 4011] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4011] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4008] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4011] <... symlink resumed>) = 0 [pid 4008] close(3 [pid 4011] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 171.233089][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806df50c00: rx timeout, send abort [ 171.241495][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806e0ec400: rx timeout, send abort [ 171.257105][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806df50c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4011] write(3, "1000", 4 [pid 4008] <... close resumed>) = 0 [pid 4011] <... write resumed>) = 4 [pid 4008] close(4 [pid 4011] close(3 [pid 4008] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 171.271640][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e0ec400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4011] <... close resumed>) = 0 [pid 4008] close(5 [pid 4011] symlink("/dev/binderfs", "./binderfs" [pid 4008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... symlink resumed>) = 0 [pid 4008] close(6 [pid 4011] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... socket resumed>) = 3 [pid 4008] close(7 [pid 4011] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4008] close(8 [pid 4011] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] <... bind resumed>) = 0 [pid 4008] close(9 [pid 4011] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4008] close(10) = -1 EBADF (Bad file descriptor) [pid 4008] close(11) = -1 EBADF (Bad file descriptor) [pid 4008] close(12) = -1 EBADF (Bad file descriptor) [pid 4008] close(13) = -1 EBADF (Bad file descriptor) [pid 4008] close(14) = -1 EBADF (Bad file descriptor) [pid 4008] close(15) = -1 EBADF (Bad file descriptor) [pid 4008] close(16) = -1 EBADF (Bad file descriptor) [pid 4008] close(17) = -1 EBADF (Bad file descriptor) [pid 4008] close(18) = -1 EBADF (Bad file descriptor) [pid 4008] close(19) = -1 EBADF (Bad file descriptor) [pid 4008] close(20) = -1 EBADF (Bad file descriptor) [pid 4008] close(21) = -1 EBADF (Bad file descriptor) [pid 4008] close(22) = -1 EBADF (Bad file descriptor) [pid 4008] close(23) = -1 EBADF (Bad file descriptor) [pid 4008] close(24) = -1 EBADF (Bad file descriptor) [pid 4008] close(25) = -1 EBADF (Bad file descriptor) [pid 4008] close(26) = -1 EBADF (Bad file descriptor) [pid 4008] close(27) = -1 EBADF (Bad file descriptor) [pid 4008] close(28) = -1 EBADF (Bad file descriptor) [pid 4008] close(29) = -1 EBADF (Bad file descriptor) [pid 4008] exit_group(0) = ? [pid 4008] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./49/binderfs") = 0 [pid 3616] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./49/cgroup") = 0 [pid 3616] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./49/cgroup.net") = 0 [pid 3616] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./49/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./49") = 0 [pid 3616] mkdir("./50", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4012 attached [pid 4012] chdir("./50" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 52 [pid 4012] <... chdir resumed>) = 0 [pid 4012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4012] setpgid(0, 0) = 0 [pid 4012] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4012] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4012] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4012] write(3, "1000", 4) = 4 [pid 4012] close(3) = 0 [pid 4012] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4012] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4012] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4012] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4012] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4009] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 171.442720][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f79b800: rx timeout, send abort [ 171.451174][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807c7dc400: rx timeout, send abort [pid 4009] close(3 [pid 4002] <... close resumed>) = 0 [pid 4002] close(4) = -1 EBADF (Bad file descriptor) [pid 4002] close(5) = -1 EBADF (Bad file descriptor) [pid 4002] close(6) = -1 EBADF (Bad file descriptor) [pid 4002] close(7) = -1 EBADF (Bad file descriptor) [pid 4002] close(8) = -1 EBADF (Bad file descriptor) [pid 4002] close(9) = -1 EBADF (Bad file descriptor) [pid 4002] close(10) = -1 EBADF (Bad file descriptor) [pid 4002] close(11) = -1 EBADF (Bad file descriptor) [pid 4002] close(12) = -1 EBADF (Bad file descriptor) [pid 4002] close(13) = -1 EBADF (Bad file descriptor) [pid 4002] close(14) = -1 EBADF (Bad file descriptor) [pid 4002] close(15) = -1 EBADF (Bad file descriptor) [pid 4002] close(16) = -1 EBADF (Bad file descriptor) [pid 4002] close(17) = -1 EBADF (Bad file descriptor) [pid 4002] close(18) = -1 EBADF (Bad file descriptor) [pid 4002] close(19) = -1 EBADF (Bad file descriptor) [pid 4002] close(20) = -1 EBADF (Bad file descriptor) [pid 4002] close(21) = -1 EBADF (Bad file descriptor) [pid 4002] close(22) = -1 EBADF (Bad file descriptor) [pid 4002] close(23) = -1 EBADF (Bad file descriptor) [pid 4002] close(24) = -1 EBADF (Bad file descriptor) [pid 4002] close(25) = -1 EBADF (Bad file descriptor) [pid 4002] close(26) = -1 EBADF (Bad file descriptor) [pid 4002] close(27) = -1 EBADF (Bad file descriptor) [pid 4002] close(28) = -1 EBADF (Bad file descriptor) [pid 4002] close(29) = -1 EBADF (Bad file descriptor) [pid 4002] exit_group(0) = ? [pid 4002] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./50/binderfs") = 0 [pid 3618] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./50/cgroup") = 0 [pid 3618] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./50/cgroup.net") = 0 [pid 3618] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./50/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./50") = 0 [pid 3618] mkdir("./51", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4013 attached , child_tidptr=0x555556f5d5d0) = 53 [pid 4013] chdir("./51") = 0 [pid 4013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4013] setpgid(0, 0) = 0 [pid 4013] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4013] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4013] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4013] write(3, "1000", 4) = 4 [pid 4013] close(3) = 0 [pid 4013] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4013] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4013] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4013] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4013] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4009] <... close resumed>) = 0 [pid 4009] close(4) = -1 EBADF (Bad file descriptor) [pid 4009] close(5) = -1 EBADF (Bad file descriptor) [pid 4009] close(6) = -1 EBADF (Bad file descriptor) [pid 4009] close(7) = -1 EBADF (Bad file descriptor) [pid 4009] close(8) = -1 EBADF (Bad file descriptor) [pid 4009] close(9) = -1 EBADF (Bad file descriptor) [pid 4009] close(10) = -1 EBADF (Bad file descriptor) [pid 4009] close(11) = -1 EBADF (Bad file descriptor) [pid 4009] close(12) = -1 EBADF (Bad file descriptor) [pid 4009] close(13) = -1 EBADF (Bad file descriptor) [pid 4009] close(14) = -1 EBADF (Bad file descriptor) [pid 4009] close(15) = -1 EBADF (Bad file descriptor) [pid 4009] close(16) = -1 EBADF (Bad file descriptor) [pid 4009] close(17) = -1 EBADF (Bad file descriptor) [pid 4009] close(18) = -1 EBADF (Bad file descriptor) [pid 4009] close(19) = -1 EBADF (Bad file descriptor) [pid 4009] close(20) = -1 EBADF (Bad file descriptor) [pid 4009] close(21) = -1 EBADF (Bad file descriptor) [pid 4009] close(22) = -1 EBADF (Bad file descriptor) [pid 4009] close(23) = -1 EBADF (Bad file descriptor) [pid 4009] close(24) = -1 EBADF (Bad file descriptor) [ 171.955004][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f79b800: abort rx timeout. Force session deactivation [ 171.972484][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807c7dc400: abort rx timeout. Force session deactivation [pid 4009] close(25) = -1 EBADF (Bad file descriptor) [pid 4009] close(26) = -1 EBADF (Bad file descriptor) [pid 4009] close(27) = -1 EBADF (Bad file descriptor) [pid 4009] close(28) = -1 EBADF (Bad file descriptor) [pid 4009] close(29) = -1 EBADF (Bad file descriptor) [pid 4009] exit_group(0) = ? [pid 4009] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./48/binderfs") = 0 [pid 3619] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./48/cgroup") = 0 [pid 3619] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./48/cgroup.net") = 0 [pid 3619] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./48/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./48") = 0 [pid 3619] mkdir("./49", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4014 attached [pid 4014] chdir("./49" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 51 [pid 4014] <... chdir resumed>) = 0 [pid 4014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3999] <... close resumed>) = 0 [pid 3999] close(4 [pid 4014] <... prctl resumed>) = 0 [pid 3999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3999] close(5) = -1 EBADF (Bad file descriptor) [pid 3999] close(6) = -1 EBADF (Bad file descriptor) [pid 3999] close(7) = -1 EBADF (Bad file descriptor) [pid 3999] close(8) = -1 EBADF (Bad file descriptor) [pid 3999] close(9 [pid 4014] setpgid(0, 0 [pid 3999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3999] close(10) = -1 EBADF (Bad file descriptor) [pid 3999] close(11) = -1 EBADF (Bad file descriptor) [pid 3999] close(12) = -1 EBADF (Bad file descriptor) [pid 3999] close(13) = -1 EBADF (Bad file descriptor) [pid 3999] close(14) = -1 EBADF (Bad file descriptor) [pid 3999] close(15) = -1 EBADF (Bad file descriptor) [pid 4014] <... setpgid resumed>) = 0 [pid 3999] close(16 [pid 4014] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3999] close(17 [pid 4014] <... symlink resumed>) = 0 [pid 3999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3999] close(18) = -1 EBADF (Bad file descriptor) [pid 3999] close(19) = -1 EBADF (Bad file descriptor) [pid 3999] close(20) = -1 EBADF (Bad file descriptor) [pid 3999] close(21) = -1 EBADF (Bad file descriptor) [pid 3999] close(22 [pid 4014] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3999] close(23) = -1 EBADF (Bad file descriptor) [pid 3999] close(24) = -1 EBADF (Bad file descriptor) [pid 3999] close(25) = -1 EBADF (Bad file descriptor) [pid 3999] close(26) = -1 EBADF (Bad file descriptor) [pid 3999] close(27 [pid 4014] <... symlink resumed>) = 0 [pid 3999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3999] close(28) = -1 EBADF (Bad file descriptor) [pid 3999] close(29) = -1 EBADF (Bad file descriptor) [pid 3999] exit_group(0) = ? [pid 4014] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3999] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4014] <... symlink resumed>) = 0 [pid 4014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4014] write(3, "1000", 4) = 4 [pid 4014] close(3) = 0 [pid 4014] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4014] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4014] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4014] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4014] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./46/binderfs") = 0 [pid 3620] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./46/cgroup") = 0 [pid 3620] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./46/cgroup.net") = 0 [pid 3620] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./46/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./46" [pid 4011] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] <... rmdir resumed>) = 0 [pid 4011] close(3 [pid 3620] mkdir("./47", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 49 ./strace-static-x86_64: Process 4015 attached [pid 4015] chdir("./47") = 0 [pid 4015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4015] setpgid(0, 0) = 0 [pid 4015] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4015] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4015] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 172.273795][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065551400: rx timeout, send abort [ 172.282240][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d108800: rx timeout, send abort [pid 4015] write(3, "1000", 4 [pid 4011] <... close resumed>) = 0 [pid 4015] <... write resumed>) = 4 [pid 4012] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 172.324430][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065551400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 172.338986][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d108800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 172.354991][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888064a7dc00: rx timeout, send abort [ 172.363384][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806ff2b800: rx timeout, send abort [pid 4011] close(4 [pid 4015] close(3 [pid 4012] close(3 [pid 4015] <... close resumed>) = 0 [pid 4015] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4012] <... close resumed>) = 0 [pid 4010] <... sendmsg resumed>) = 106496 [pid 4012] close(4 [pid 4010] close(3 [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] close(5) = -1 EBADF (Bad file descriptor) [pid 4012] close(6) = -1 EBADF (Bad file descriptor) [pid 4012] close(7) = -1 EBADF (Bad file descriptor) [pid 4012] close(8) = -1 EBADF (Bad file descriptor) [pid 4012] close(9) = -1 EBADF (Bad file descriptor) [pid 4012] close(10) = -1 EBADF (Bad file descriptor) [pid 4012] close(11) = -1 EBADF (Bad file descriptor) [pid 4012] close(12) = -1 EBADF (Bad file descriptor) [pid 4012] close(13) = -1 EBADF (Bad file descriptor) [pid 4012] close(14) = -1 EBADF (Bad file descriptor) [pid 4012] close(15) = -1 EBADF (Bad file descriptor) [pid 4012] close(16) = -1 EBADF (Bad file descriptor) [pid 4012] close(17) = -1 EBADF (Bad file descriptor) [pid 4012] close(18 [pid 4015] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4015] <... socket resumed>) = 3 [pid 4012] close(19 [pid 4015] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4015] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4012] close(20 [pid 4015] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4015] <... bind resumed>) = 0 [pid 4012] close(21 [pid 4015] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] close(22 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] close(23) = -1 EBADF (Bad file descriptor) [pid 4012] close(24) = -1 EBADF (Bad file descriptor) [pid 4012] close(25) = -1 EBADF (Bad file descriptor) [pid 4012] close(26) = -1 EBADF (Bad file descriptor) [pid 4011] close(5 [pid 4012] close(27 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(6 [pid 4012] close(28 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(7 [pid 4012] close(29 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(8 [pid 4012] exit_group(0 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4012] <... exit_group resumed>) = ? [pid 4011] close(9 [pid 4012] +++ exited with 0 +++ [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(10 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(11) = -1 EBADF (Bad file descriptor) [pid 4011] close(12 [pid 3616] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] close(13 [pid 3616] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... openat resumed>) = 3 [pid 4011] close(14 [ 172.380853][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888064a7dc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 172.395393][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ff2b800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] fstat(3, [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4011] close(15) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, [pid 4011] close(16 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] close(17 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./50/binderfs", [pid 4011] close(18 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./50/binderfs") = 0 [pid 3616] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./50/cgroup") = 0 [pid 3616] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(19 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./50/cgroup.net", [pid 4011] close(20 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./50/cgroup.net" [pid 4011] close(21) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 4011] close(22 [pid 3616] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] close(23) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./50/cgroup.cpu", [pid 4011] close(24) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4011] close(25 [pid 3616] unlink("./50/cgroup.cpu" [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(26 [pid 3616] <... unlink resumed>) = 0 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4011] close(27 [pid 3616] getdents64(3, [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4011] close(28) = -1 EBADF (Bad file descriptor) [pid 3616] close(3 [pid 4011] close(29 [pid 3616] <... close resumed>) = 0 [pid 4011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] rmdir("./50" [pid 4011] exit_group(0) = ? [pid 3616] <... rmdir resumed>) = 0 [pid 4011] +++ exited with 0 +++ [pid 3616] mkdir("./51", 0777) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4016 attached [pid 4016] chdir("./51") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 53 [pid 4016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4016] setpgid(0, 0) = 0 [pid 4016] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4016] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4016] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3613] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, [pid 4016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./44/binderfs") = 0 [pid 3613] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./44/cgroup") = 0 [pid 3613] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4016] <... openat resumed>) = 3 [pid 3613] unlink("./44/cgroup.net" [pid 4016] write(3, "1000", 4 [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./44/cgroup.cpu", [pid 4016] <... write resumed>) = 4 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./44/cgroup.cpu" [pid 4016] close(3 [pid 3613] <... unlink resumed>) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./44") = 0 [pid 3613] mkdir("./45", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 47 ./strace-static-x86_64: Process 4017 attached [pid 4016] <... close resumed>) = 0 [pid 4017] chdir("./45" [pid 4016] symlink("/dev/binderfs", "./binderfs" [pid 4017] <... chdir resumed>) = 0 [pid 4016] <... symlink resumed>) = 0 [pid 4017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4016] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4017] <... prctl resumed>) = 0 [pid 4016] <... socket resumed>) = 3 [pid 4017] setpgid(0, 0) = 0 [pid 4016] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4017] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4016] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4017] <... symlink resumed>) = 0 [pid 4016] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4017] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4013] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4016] <... bind resumed>) = 0 [pid 4017] <... symlink resumed>) = 0 [pid 4016] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4017] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4017] write(3, "1000", 4) = 4 [pid 4017] close(3) = 0 [pid 4017] symlink("/dev/binderfs", "./binderfs") = 0 [ 172.793808][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888078a9f000: rx timeout, send abort [ 172.802223][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888078a9dc00: rx timeout, send abort [pid 4017] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4013] close(3 [pid 4017] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4013] <... close resumed>) = 0 [pid 4013] close(4 [pid 4017] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4013] close(5 [pid 4017] <... bind resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4017] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4013] close(6) = -1 EBADF (Bad file descriptor) [ 172.839983][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888078a9f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 172.854509][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888078a9dc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4013] close(7) = -1 EBADF (Bad file descriptor) [pid 4013] close(8) = -1 EBADF (Bad file descriptor) [pid 4013] close(9) = -1 EBADF (Bad file descriptor) [pid 4013] close(10) = -1 EBADF (Bad file descriptor) [pid 4013] close(11) = -1 EBADF (Bad file descriptor) [pid 4013] close(12) = -1 EBADF (Bad file descriptor) [pid 4013] close(13) = -1 EBADF (Bad file descriptor) [pid 4013] close(14) = -1 EBADF (Bad file descriptor) [pid 4013] close(15) = -1 EBADF (Bad file descriptor) [pid 4013] close(16) = -1 EBADF (Bad file descriptor) [pid 4013] close(17) = -1 EBADF (Bad file descriptor) [pid 4013] close(18) = -1 EBADF (Bad file descriptor) [pid 4013] close(19) = -1 EBADF (Bad file descriptor) [pid 4013] close(20) = -1 EBADF (Bad file descriptor) [pid 4013] close(21) = -1 EBADF (Bad file descriptor) [pid 4013] close(22) = -1 EBADF (Bad file descriptor) [pid 4013] close(23) = -1 EBADF (Bad file descriptor) [pid 4013] close(24) = -1 EBADF (Bad file descriptor) [pid 4013] close(25) = -1 EBADF (Bad file descriptor) [pid 4013] close(26) = -1 EBADF (Bad file descriptor) [pid 4013] close(27) = -1 EBADF (Bad file descriptor) [pid 4013] close(28) = -1 EBADF (Bad file descriptor) [pid 4013] close(29) = -1 EBADF (Bad file descriptor) [pid 4013] exit_group(0) = ? [pid 4013] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./51/binderfs") = 0 [pid 3618] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./51/cgroup") = 0 [pid 3618] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./51/cgroup.net") = 0 [pid 3618] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./51/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./51") = 0 [pid 3618] mkdir("./52", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4018 attached [pid 4018] chdir("./52" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 54 [pid 4018] <... chdir resumed>) = 0 [pid 4018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4018] setpgid(0, 0) = 0 [pid 4018] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4018] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4018] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4018] write(3, "1000", 4) = 4 [pid 4018] close(3) = 0 [pid 4018] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4018] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4018] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4018] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4018] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4015] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 173.290258][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807abd0800: rx timeout, send abort [ 173.298684][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807abd3800: rx timeout, send abort [pid 4015] close(3) = 0 [pid 4015] close(4) = -1 EBADF (Bad file descriptor) [pid 4015] close(5) = -1 EBADF (Bad file descriptor) [pid 4015] close(6) = -1 EBADF (Bad file descriptor) [pid 4015] close(7) = -1 EBADF (Bad file descriptor) [ 173.338635][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807abd0800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 173.353169][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807abd3800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4015] close(8) = -1 EBADF (Bad file descriptor) [pid 4015] close(9) = -1 EBADF (Bad file descriptor) [pid 4015] close(10) = -1 EBADF (Bad file descriptor) [pid 4015] close(11) = -1 EBADF (Bad file descriptor) [pid 4015] close(12) = -1 EBADF (Bad file descriptor) [pid 4015] close(13) = -1 EBADF (Bad file descriptor) [pid 4015] close(14) = -1 EBADF (Bad file descriptor) [pid 4015] close(15) = -1 EBADF (Bad file descriptor) [pid 4015] close(16) = -1 EBADF (Bad file descriptor) [pid 4015] close(17) = -1 EBADF (Bad file descriptor) [pid 4015] close(18) = -1 EBADF (Bad file descriptor) [pid 4015] close(19) = -1 EBADF (Bad file descriptor) [pid 4015] close(20) = -1 EBADF (Bad file descriptor) [pid 4015] close(21) = -1 EBADF (Bad file descriptor) [pid 4015] close(22) = -1 EBADF (Bad file descriptor) [pid 4015] close(23) = -1 EBADF (Bad file descriptor) [pid 4015] close(24) = -1 EBADF (Bad file descriptor) [pid 4015] close(25) = -1 EBADF (Bad file descriptor) [pid 4015] close(26) = -1 EBADF (Bad file descriptor) [pid 4015] close(27) = -1 EBADF (Bad file descriptor) [pid 4015] close(28) = -1 EBADF (Bad file descriptor) [pid 4015] close(29) = -1 EBADF (Bad file descriptor) [pid 4015] exit_group(0) = ? [pid 4015] +++ exited with 0 +++ [pid 4014] <... sendmsg resumed>) = 106496 [pid 4014] close(3 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./47/binderfs") = 0 [pid 3620] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./47/cgroup") = 0 [pid 3620] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./47/cgroup.net") = 0 [pid 3620] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./47/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./47") = 0 [pid 3620] mkdir("./48", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4019 attached , child_tidptr=0x555556f5d5d0) = 50 [pid 4019] chdir("./48") = 0 [pid 4019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4019] setpgid(0, 0) = 0 [pid 4019] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4019] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4019] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4019] write(3, "1000", 4) = 4 [pid 4019] close(3) = 0 [pid 4019] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4019] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4019] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4019] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4019] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4016] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 173.722135][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c6f2c00: rx timeout, send abort [ 173.730546][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d323800: rx timeout, send abort [pid 4016] close(3) = 0 [pid 4016] close(4) = -1 EBADF (Bad file descriptor) [pid 4016] close(5) = -1 EBADF (Bad file descriptor) [pid 4016] close(6) = -1 EBADF (Bad file descriptor) [ 173.808474][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c6f2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 173.823068][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d323800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4016] close(7) = -1 EBADF (Bad file descriptor) [pid 4016] close(8) = -1 EBADF (Bad file descriptor) [pid 4016] close(9) = -1 EBADF (Bad file descriptor) [pid 4016] close(10) = -1 EBADF (Bad file descriptor) [pid 4016] close(11) = -1 EBADF (Bad file descriptor) [pid 4016] close(12) = -1 EBADF (Bad file descriptor) [pid 4016] close(13) = -1 EBADF (Bad file descriptor) [pid 4016] close(14) = -1 EBADF (Bad file descriptor) [pid 4016] close(15) = -1 EBADF (Bad file descriptor) [pid 4016] close(16) = -1 EBADF (Bad file descriptor) [pid 4016] close(17) = -1 EBADF (Bad file descriptor) [pid 4016] close(18) = -1 EBADF (Bad file descriptor) [pid 4016] close(19) = -1 EBADF (Bad file descriptor) [pid 4016] close(20) = -1 EBADF (Bad file descriptor) [pid 4016] close(21) = -1 EBADF (Bad file descriptor) [pid 4016] close(22) = -1 EBADF (Bad file descriptor) [pid 4016] close(23 [pid 4018] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4016] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4018] close(3 [pid 4016] close(24) = -1 EBADF (Bad file descriptor) [pid 4016] close(25) = -1 EBADF (Bad file descriptor) [pid 4016] close(26) = -1 EBADF (Bad file descriptor) [pid 4016] close(27) = -1 EBADF (Bad file descriptor) [pid 4016] close(28) = -1 EBADF (Bad file descriptor) [ 174.053211][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880653f3800: rx timeout, send abort [ 174.061621][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077794c00: rx timeout, send abort [pid 4016] close(29) = -1 EBADF (Bad file descriptor) [pid 4016] exit_group(0) = ? [pid 4016] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./51/binderfs") = 0 [pid 3616] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./51/cgroup") = 0 [pid 3616] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./51/cgroup.net") = 0 [pid 3616] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./51/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./51") = 0 [pid 3616] mkdir("./52", 0777 [pid 4018] <... close resumed>) = 0 [pid 3616] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4018] close(4 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 54 ./strace-static-x86_64: Process 4020 attached [pid 4018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] chdir("./52" [pid 4018] close(5 [pid 4020] <... chdir resumed>) = 0 [pid 4018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] prctl(PR_SET_PDEATHSIG, SIGKILL [ 174.151772][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880653f3800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 174.166320][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077794c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4018] close(6 [pid 4020] <... prctl resumed>) = 0 [pid 4018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] setpgid(0, 0 [pid 4018] close(7) = -1 EBADF (Bad file descriptor) [pid 4018] close(8) = -1 EBADF (Bad file descriptor) [pid 4018] close(9) = -1 EBADF (Bad file descriptor) [pid 4018] close(10) = -1 EBADF (Bad file descriptor) [pid 4018] close(11) = -1 EBADF (Bad file descriptor) [pid 4018] close(12) = -1 EBADF (Bad file descriptor) [pid 4018] close(13) = -1 EBADF (Bad file descriptor) [pid 4018] close(14) = -1 EBADF (Bad file descriptor) [pid 4018] close(15) = -1 EBADF (Bad file descriptor) [pid 4018] close(16) = -1 EBADF (Bad file descriptor) [pid 4018] close(17) = -1 EBADF (Bad file descriptor) [pid 4018] close(18) = -1 EBADF (Bad file descriptor) [pid 4018] close(19) = -1 EBADF (Bad file descriptor) [pid 4018] close(20 [pid 4020] <... setpgid resumed>) = 0 [pid 4018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4018] close(21) = -1 EBADF (Bad file descriptor) [pid 4018] close(22) = -1 EBADF (Bad file descriptor) [pid 4018] close(23) = -1 EBADF (Bad file descriptor) [pid 4018] close(24) = -1 EBADF (Bad file descriptor) [pid 4018] close(25) = -1 EBADF (Bad file descriptor) [pid 4018] close(26) = -1 EBADF (Bad file descriptor) [pid 4018] close(27) = -1 EBADF (Bad file descriptor) [pid 4018] close(28) = -1 EBADF (Bad file descriptor) [pid 4018] close(29) = -1 EBADF (Bad file descriptor) [pid 4018] exit_group(0) = ? [pid 4018] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, [pid 4020] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./52/binderfs", [pid 4020] <... symlink resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./52/binderfs") = 0 [pid 3618] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4020] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./52/cgroup", [pid 4020] <... symlink resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./52/cgroup") = 0 [pid 3618] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./52/cgroup.net" [pid 4020] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./52/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./52" [pid 4020] <... symlink resumed>) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3618] mkdir("./53", 0777) = 0 [pid 4020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4021 attached [pid 4020] <... openat resumed>) = 3 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 55 [pid 4021] chdir("./53" [pid 4020] write(3, "1000", 4 [pid 4021] <... chdir resumed>) = 0 [pid 4020] <... write resumed>) = 4 [pid 4021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4020] close(3 [pid 4021] <... prctl resumed>) = 0 [pid 4020] <... close resumed>) = 0 [pid 4021] setpgid(0, 0 [pid 4020] symlink("/dev/binderfs", "./binderfs" [pid 4021] <... setpgid resumed>) = 0 [pid 4020] <... symlink resumed>) = 0 [pid 4021] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4020] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4021] <... symlink resumed>) = 0 [pid 4020] <... socket resumed>) = 3 [pid 4021] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4020] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4021] <... symlink resumed>) = 0 [pid 4020] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4021] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4020] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4021] <... symlink resumed>) = 0 [pid 4020] <... bind resumed>) = 0 [pid 4021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4020] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4021] <... openat resumed>) = 3 [pid 4021] write(3, "1000", 4) = 4 [pid 4021] close(3) = 0 [pid 4021] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4021] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4021] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4021] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4021] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4019] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 174.489284][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806abab000: rx timeout, send abort [ 174.497703][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880780aa000: rx timeout, send abort [ 174.524985][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806abab000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4019] close(3) = 0 [pid 4019] close(4) = -1 EBADF (Bad file descriptor) [pid 4019] close(5) = -1 EBADF (Bad file descriptor) [pid 4019] close(6) = -1 EBADF (Bad file descriptor) [pid 4019] close(7) = -1 EBADF (Bad file descriptor) [ 174.539555][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880780aa000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4019] close(8) = -1 EBADF (Bad file descriptor) [pid 4019] close(9) = -1 EBADF (Bad file descriptor) [pid 4019] close(10) = -1 EBADF (Bad file descriptor) [pid 4019] close(11) = -1 EBADF (Bad file descriptor) [pid 4019] close(12) = -1 EBADF (Bad file descriptor) [pid 4019] close(13) = -1 EBADF (Bad file descriptor) [pid 4019] close(14) = -1 EBADF (Bad file descriptor) [pid 4019] close(15) = -1 EBADF (Bad file descriptor) [pid 4019] close(16) = -1 EBADF (Bad file descriptor) [pid 4019] close(17) = -1 EBADF (Bad file descriptor) [pid 4019] close(18) = -1 EBADF (Bad file descriptor) [pid 4019] close(19) = -1 EBADF (Bad file descriptor) [pid 4019] close(20) = -1 EBADF (Bad file descriptor) [pid 4019] close(21) = -1 EBADF (Bad file descriptor) [pid 4019] close(22) = -1 EBADF (Bad file descriptor) [pid 4019] close(23) = -1 EBADF (Bad file descriptor) [pid 4019] close(24) = -1 EBADF (Bad file descriptor) [pid 4019] close(25) = -1 EBADF (Bad file descriptor) [pid 4019] close(26) = -1 EBADF (Bad file descriptor) [pid 4019] close(27) = -1 EBADF (Bad file descriptor) [pid 4019] close(28) = -1 EBADF (Bad file descriptor) [pid 4019] close(29) = -1 EBADF (Bad file descriptor) [pid 4019] exit_group(0) = ? [pid 4019] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3620] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./48/binderfs") = 0 [pid 3620] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./48/cgroup") = 0 [pid 3620] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./48/cgroup.net") = 0 [pid 3620] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./48/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./48") = 0 [pid 3620] mkdir("./49", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4022 attached [pid 4022] chdir("./49" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 51 [pid 4022] <... chdir resumed>) = 0 [pid 4022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4022] setpgid(0, 0) = 0 [pid 4022] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4022] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4022] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4022] write(3, "1000", 4) = 4 [pid 4022] close(3) = 0 [pid 4022] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4022] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4022] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4022] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4022] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4010] <... close resumed>) = 0 [pid 4010] close(4) = -1 EBADF (Bad file descriptor) [pid 4010] close(5) = -1 EBADF (Bad file descriptor) [pid 4010] close(6) = -1 EBADF (Bad file descriptor) [pid 4010] close(7) = -1 EBADF (Bad file descriptor) [pid 4010] close(8) = -1 EBADF (Bad file descriptor) [pid 4010] close(9) = -1 EBADF (Bad file descriptor) [pid 4010] close(10) = -1 EBADF (Bad file descriptor) [pid 4010] close(11) = -1 EBADF (Bad file descriptor) [pid 4010] close(12) = -1 EBADF (Bad file descriptor) [pid 4010] close(13) = -1 EBADF (Bad file descriptor) [pid 4010] close(14) = -1 EBADF (Bad file descriptor) [pid 4010] close(15) = -1 EBADF (Bad file descriptor) [pid 4010] close(16) = -1 EBADF (Bad file descriptor) [pid 4010] close(17 [pid 4021] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(3 [pid 4010] close(18) = -1 EBADF (Bad file descriptor) [pid 4010] close(19) = -1 EBADF (Bad file descriptor) [pid 4010] close(20) = -1 EBADF (Bad file descriptor) [pid 4010] close(21) = -1 EBADF (Bad file descriptor) [pid 4010] close(22) = -1 EBADF (Bad file descriptor) [pid 4010] close(23) = -1 EBADF (Bad file descriptor) [pid 4010] close(24) = -1 EBADF (Bad file descriptor) [pid 4010] close(25) = -1 EBADF (Bad file descriptor) [pid 4010] close(26) = -1 EBADF (Bad file descriptor) [pid 4010] close(27) = -1 EBADF (Bad file descriptor) [pid 4010] close(28) = -1 EBADF (Bad file descriptor) [pid 4010] close(29) = -1 EBADF (Bad file descriptor) [pid 4010] exit_group(0) = ? [ 175.417327][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888075161c00: rx timeout, send abort [ 175.425749][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806968fc00: rx timeout, send abort [pid 4010] +++ exited with 0 +++ [pid 4021] <... close resumed>) = 0 [pid 4017] <... sendmsg resumed>) = 106496 [pid 4021] close(4 [pid 4017] close(3 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4021] close(5 [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... restart_syscall resumed>) = 0 [pid 4021] close(6) = -1 EBADF (Bad file descriptor) [pid 4021] close(7) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4021] close(8 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4021] close(9) = -1 EBADF (Bad file descriptor) [pid 3617] <... openat resumed>) = 3 [pid 4021] close(10) = -1 EBADF (Bad file descriptor) [pid 3617] fstat(3, [pid 4021] close(11 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(12 [pid 3617] getdents64(3, [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(13 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(14) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4021] close(15) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4021] close(16 [pid 3617] lstat("./44/binderfs", [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(17) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4021] close(18 [pid 3617] unlink("./44/binderfs" [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(19 [pid 3617] <... unlink resumed>) = 0 [ 175.471949][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075161c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 175.486500][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806968fc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(20 [pid 3617] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4021] close(21 [pid 3617] lstat("./44/cgroup", [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4021] close(22 [pid 3617] unlink("./44/cgroup" [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(23 [pid 3617] <... unlink resumed>) = 0 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4021] close(24 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(25 [pid 3617] lstat("./44/cgroup.net", [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(26 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./44/cgroup.net" [pid 4021] close(27) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 4021] close(28 [pid 3617] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4014] <... close resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4014] close(4) = -1 EBADF (Bad file descriptor) [pid 4014] close(5) = -1 EBADF (Bad file descriptor) [pid 4021] close(29 [pid 3617] lstat("./44/cgroup.cpu", [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4014] close(6 [pid 4021] exit_group(0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4021] <... exit_group resumed>) = ? [pid 4014] close(7) = -1 EBADF (Bad file descriptor) [pid 4014] close(8) = -1 EBADF (Bad file descriptor) [pid 4014] close(9 [pid 3617] unlink("./44/cgroup.cpu" [pid 4021] +++ exited with 0 +++ [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 4014] close(10 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3617] getdents64(3, [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 4014] close(11 [pid 3618] <... restart_syscall resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] close(3 [pid 4014] close(12) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4014] close(13 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4014] close(14 [pid 3618] <... openat resumed>) = 3 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] fstat(3, [pid 4014] close(15 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4014] close(16 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4014] close(17 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./53/binderfs", [pid 4014] close(18 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] <... close resumed>) = 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./53/binderfs" [pid 3617] rmdir("./44" [pid 4014] close(19 [pid 3618] <... unlink resumed>) = 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... rmdir resumed>) = 0 [pid 4014] close(20 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] mkdir("./45", 0777 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./53/cgroup", [pid 4014] close(21 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./53/cgroup" [pid 4014] close(22 [pid 3618] <... unlink resumed>) = 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4014] close(23 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... mkdir resumed>) = 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./53/cgroup.net", [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4014] close(24 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./53/cgroup.net"./strace-static-x86_64: Process 4023 attached [pid 4014] close(25 [pid 3618] <... unlink resumed>) = 0 [pid 4023] chdir("./45" [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4023] <... chdir resumed>) = 0 [pid 4014] close(26 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./53/cgroup.cpu", [pid 4023] <... prctl resumed>) = 0 [pid 4014] close(27 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4023] setpgid(0, 0 [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./53/cgroup.cpu" [pid 4023] <... setpgid resumed>) = 0 [pid 4014] close(28 [pid 3618] <... unlink resumed>) = 0 [pid 4023] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4023] <... symlink resumed>) = 0 [pid 4014] close(29 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4023] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] close(3 [pid 4023] <... symlink resumed>) = 0 [pid 4014] exit_group(0 [pid 3618] <... close resumed>) = 0 [pid 4023] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4014] <... exit_group resumed>) = ? [pid 3618] rmdir("./53" [pid 4023] <... symlink resumed>) = 0 [pid 4014] +++ exited with 0 +++ [pid 3618] <... rmdir resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 47 [pid 4023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] mkdir("./54", 0777 [pid 4023] <... openat resumed>) = 3 [pid 3618] <... mkdir resumed>) = 0 [pid 4023] write(3, "1000", 4 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4024 attached [pid 4023] <... write resumed>) = 4 [pid 4024] chdir("./54" [pid 4023] close(3 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 56 [pid 4024] <... chdir resumed>) = 0 [pid 4023] <... close resumed>) = 0 [pid 4024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4023] symlink("/dev/binderfs", "./binderfs" [pid 3619] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] <... prctl resumed>) = 0 [pid 4023] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4024] setpgid(0, 0 [pid 4023] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4024] <... setpgid resumed>) = 0 [pid 4023] <... socket resumed>) = 3 [pid 3619] <... openat resumed>) = 3 [pid 4024] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4023] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3619] fstat(3, [pid 4024] <... symlink resumed>) = 0 [pid 4023] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4024] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4023] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] getdents64(3, [pid 4024] <... symlink resumed>) = 0 [pid 4023] <... bind resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4024] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4023] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] <... symlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] lstat("./49/binderfs", [pid 4024] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4024] write(3, "1000", 4 [pid 3619] unlink("./49/binderfs" [pid 4024] <... write resumed>) = 4 [pid 3619] <... unlink resumed>) = 0 [pid 4024] close(3 [pid 3619] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4024] symlink("/dev/binderfs", "./binderfs" [pid 3619] lstat("./49/cgroup", [pid 4024] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4024] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] unlink("./49/cgroup" [pid 4024] <... socket resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 4024] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3619] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4024] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4024] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] lstat("./49/cgroup.net", [pid 4024] <... bind resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4024] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] unlink("./49/cgroup.net") = 0 [pid 3619] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./49/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./49") = 0 [pid 3619] mkdir("./50", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 52 ./strace-static-x86_64: Process 4025 attached [pid 4025] chdir("./50" [pid 4022] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4022] close(3 [pid 4025] <... chdir resumed>) = 0 [pid 4025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4025] setpgid(0, 0) = 0 [pid 4025] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [ 175.750152][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f557400: rx timeout, send abort [ 175.758805][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f557c00: rx timeout, send abort [pid 4025] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4025] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4025] write(3, "1000", 4) = 4 [pid 4025] close(3) = 0 [pid 4025] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4025] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4025] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4025] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4025] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4022] <... close resumed>) = 0 [ 175.794657][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f557400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 175.809230][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f557c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4022] close(4) = -1 EBADF (Bad file descriptor) [pid 4022] close(5) = -1 EBADF (Bad file descriptor) [pid 4022] close(6) = -1 EBADF (Bad file descriptor) [pid 4022] close(7) = -1 EBADF (Bad file descriptor) [pid 4022] close(8) = -1 EBADF (Bad file descriptor) [pid 4022] close(9) = -1 EBADF (Bad file descriptor) [pid 4022] close(10) = -1 EBADF (Bad file descriptor) [pid 4022] close(11) = -1 EBADF (Bad file descriptor) [pid 4022] close(12) = -1 EBADF (Bad file descriptor) [pid 4022] close(13) = -1 EBADF (Bad file descriptor) [pid 4022] close(14) = -1 EBADF (Bad file descriptor) [pid 4022] close(15) = -1 EBADF (Bad file descriptor) [pid 4022] close(16) = -1 EBADF (Bad file descriptor) [pid 4022] close(17) = -1 EBADF (Bad file descriptor) [pid 4022] close(18) = -1 EBADF (Bad file descriptor) [pid 4022] close(19) = -1 EBADF (Bad file descriptor) [pid 4022] close(20) = -1 EBADF (Bad file descriptor) [pid 4022] close(21) = -1 EBADF (Bad file descriptor) [pid 4022] close(22) = -1 EBADF (Bad file descriptor) [pid 4022] close(23) = -1 EBADF (Bad file descriptor) [pid 4022] close(24) = -1 EBADF (Bad file descriptor) [pid 4022] close(25) = -1 EBADF (Bad file descriptor) [pid 4022] close(26) = -1 EBADF (Bad file descriptor) [pid 4022] close(27) = -1 EBADF (Bad file descriptor) [pid 4022] close(28) = -1 EBADF (Bad file descriptor) [pid 4022] close(29) = -1 EBADF (Bad file descriptor) [pid 4022] exit_group(0) = ? [pid 4022] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./49/binderfs") = 0 [pid 3620] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./49/cgroup") = 0 [pid 3620] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./49/cgroup.net") = 0 [pid 3620] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./49/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./49") = 0 [pid 3620] mkdir("./50", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4026 attached [pid 4026] chdir("./50") = 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 52 [pid 4026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4026] setpgid(0, 0) = 0 [pid 4026] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4026] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4026] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4026] write(3, "1000", 4) = 4 [pid 4026] close(3) = 0 [pid 4026] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4026] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4026] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4026] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4026] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4024] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4024] close(3) = 0 [ 176.670764][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806af02000: rx timeout, send abort [ 176.679370][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a82c000: rx timeout, send abort [ 176.688431][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806af02000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 176.702943][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a82c000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4024] close(4) = -1 EBADF (Bad file descriptor) [pid 4024] close(5) = -1 EBADF (Bad file descriptor) [pid 4024] close(6) = -1 EBADF (Bad file descriptor) [pid 4024] close(7) = -1 EBADF (Bad file descriptor) [pid 4024] close(8) = -1 EBADF (Bad file descriptor) [pid 4024] close(9) = -1 EBADF (Bad file descriptor) [pid 4024] close(10) = -1 EBADF (Bad file descriptor) [pid 4024] close(11) = -1 EBADF (Bad file descriptor) [pid 4024] close(12) = -1 EBADF (Bad file descriptor) [pid 4024] close(13) = -1 EBADF (Bad file descriptor) [pid 4024] close(14) = -1 EBADF (Bad file descriptor) [pid 4024] close(15) = -1 EBADF (Bad file descriptor) [pid 4024] close(16) = -1 EBADF (Bad file descriptor) [pid 4024] close(17) = -1 EBADF (Bad file descriptor) [pid 4024] close(18) = -1 EBADF (Bad file descriptor) [pid 4024] close(19 [pid 4023] <... sendmsg resumed>) = 106496 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4023] close(3 [pid 4024] close(20) = -1 EBADF (Bad file descriptor) [pid 4024] close(21) = -1 EBADF (Bad file descriptor) [pid 4024] close(22) = -1 EBADF (Bad file descriptor) [pid 4024] close(23) = -1 EBADF (Bad file descriptor) [pid 4024] close(24) = -1 EBADF (Bad file descriptor) [pid 4024] close(25) = -1 EBADF (Bad file descriptor) [pid 4024] close(26) = -1 EBADF (Bad file descriptor) [pid 4024] close(27) = -1 EBADF (Bad file descriptor) [pid 4024] close(28) = -1 EBADF (Bad file descriptor) [pid 4024] close(29) = -1 EBADF (Bad file descriptor) [pid 4024] exit_group(0) = ? [pid 4024] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./54/binderfs") = 0 [pid 3618] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./54/cgroup") = 0 [pid 3618] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./54/cgroup.net") = 0 [pid 3618] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./54/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./54") = 0 [pid 3618] mkdir("./55", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4027 attached [pid 4027] chdir("./55" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 57 [pid 4027] <... chdir resumed>) = 0 [pid 4027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4027] setpgid(0, 0) = 0 [pid 4027] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4027] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4027] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4027] write(3, "1000", 4) = 4 [pid 4027] close(3) = 0 [pid 4027] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4027] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4027] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4027] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4027] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4026] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 177.274241][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806454b000: rx timeout, send abort [ 177.282679][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807f8eac00: rx timeout, send abort [pid 4026] close(3) = 0 [pid 4026] close(4) = -1 EBADF (Bad file descriptor) [pid 4026] close(5) = -1 EBADF (Bad file descriptor) [pid 4026] close(6) = -1 EBADF (Bad file descriptor) [pid 4026] close(7) = -1 EBADF (Bad file descriptor) [pid 4026] close(8) = -1 EBADF (Bad file descriptor) [pid 4026] close(9) = -1 EBADF (Bad file descriptor) [pid 4026] close(10) = -1 EBADF (Bad file descriptor) [pid 4026] close(11) = -1 EBADF (Bad file descriptor) [pid 4026] close(12) = -1 EBADF (Bad file descriptor) [pid 4026] close(13) = -1 EBADF (Bad file descriptor) [pid 4026] close(14) = -1 EBADF (Bad file descriptor) [pid 4026] close(15) = -1 EBADF (Bad file descriptor) [pid 4026] close(16) = -1 EBADF (Bad file descriptor) [pid 4026] close(17) = -1 EBADF (Bad file descriptor) [pid 4026] close(18) = -1 EBADF (Bad file descriptor) [pid 4026] close(19) = -1 EBADF (Bad file descriptor) [pid 4026] close(20) = -1 EBADF (Bad file descriptor) [pid 4026] close(21) = -1 EBADF (Bad file descriptor) [pid 4026] close(22) = -1 EBADF (Bad file descriptor) [pid 4026] close(23) = -1 EBADF (Bad file descriptor) [pid 4026] close(24) = -1 EBADF (Bad file descriptor) [pid 4026] close(25) = -1 EBADF (Bad file descriptor) [pid 4026] close(26) = -1 EBADF (Bad file descriptor) [pid 4026] close(27) = -1 EBADF (Bad file descriptor) [pid 4026] close(28) = -1 EBADF (Bad file descriptor) [pid 4026] close(29) = -1 EBADF (Bad file descriptor) [pid 4026] exit_group(0) = ? [pid 4026] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 177.338986][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806454b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 177.353528][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807f8eac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./50/binderfs") = 0 [pid 3620] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./50/cgroup") = 0 [pid 3620] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./50/cgroup.net") = 0 [pid 3620] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./50/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./50") = 0 [pid 3620] mkdir("./51", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4028 attached , child_tidptr=0x555556f5d5d0) = 53 [pid 4028] chdir("./51") = 0 [pid 4028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4028] setpgid(0, 0) = 0 [pid 4028] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4028] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4028] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4028] write(3, "1000", 4) = 4 [pid 4028] close(3) = 0 [pid 4028] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4028] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4028] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4028] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4028] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] kill(-47, SIGKILL [pid 4017] <... close resumed>) = ? [pid 3613] <... kill resumed>) = 0 [pid 4017] +++ killed by SIGKILL +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=47, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3613] kill(47, SIGKILL) = 0 [pid 3613] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./45/binderfs") = 0 [pid 3613] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./45/cgroup") = 0 [pid 3613] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./45/cgroup.net") = 0 [pid 4027] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4027] close(3 [pid 3613] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 177.880081][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806dc65c00: rx timeout, send abort [ 177.888509][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807c3a6000: rx timeout, send abort [pid 3613] unlink("./45/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4027] <... close resumed>) = 0 [pid 4027] close(4) = -1 EBADF (Bad file descriptor) [pid 4027] close(5 [pid 3613] close(3 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(6) = -1 EBADF (Bad file descriptor) [pid 4027] close(7) = -1 EBADF (Bad file descriptor) [pid 4027] close(8) = -1 EBADF (Bad file descriptor) [pid 4027] close(9) = -1 EBADF (Bad file descriptor) [pid 4027] close(10) = -1 EBADF (Bad file descriptor) [pid 4027] close(11) = -1 EBADF (Bad file descriptor) [pid 4027] close(12) = -1 EBADF (Bad file descriptor) [pid 4027] close(13) = -1 EBADF (Bad file descriptor) [pid 4027] close(14) = -1 EBADF (Bad file descriptor) [pid 4027] close(15) = -1 EBADF (Bad file descriptor) [pid 4027] close(16) = -1 EBADF (Bad file descriptor) [pid 4027] close(17) = -1 EBADF (Bad file descriptor) [pid 4027] close(18) = -1 EBADF (Bad file descriptor) [pid 4027] close(19) = -1 EBADF (Bad file descriptor) [pid 4027] close(20) = -1 EBADF (Bad file descriptor) [pid 4027] close(21) = -1 EBADF (Bad file descriptor) [pid 4027] close(22) = -1 EBADF (Bad file descriptor) [pid 4027] close(23) = -1 EBADF (Bad file descriptor) [pid 4027] close(24) = -1 EBADF (Bad file descriptor) [pid 4027] close(25 [pid 3613] <... close resumed>) = 0 [pid 4027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4027] close(26) = -1 EBADF (Bad file descriptor) [pid 4027] close(27) = -1 EBADF (Bad file descriptor) [pid 4027] close(28) = -1 EBADF (Bad file descriptor) [pid 4027] close(29) = -1 EBADF (Bad file descriptor) [pid 4027] exit_group(0) = ? [pid 4027] +++ exited with 0 +++ [pid 3613] rmdir("./45" [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... rmdir resumed>) = 0 [pid 3618] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] mkdir("./46", 0777 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] <... mkdir resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] fstat(3, ./strace-static-x86_64: Process 4029 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 177.959076][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806dc65c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 177.973644][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807c3a6000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4029] chdir("./46" [pid 3618] getdents64(3, [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 48 [pid 4029] <... chdir resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4029] <... prctl resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4029] setpgid(0, 0 [pid 3618] lstat("./55/binderfs", [pid 4029] <... setpgid resumed>) = 0 [pid 4029] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4029] <... symlink resumed>) = 0 [pid 3618] unlink("./55/binderfs" [pid 4029] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3618] <... unlink resumed>) = 0 [pid 4029] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3618] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4029] <... symlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] lstat("./55/cgroup", [pid 4029] <... openat resumed>) = 3 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4029] write(3, "1000", 4 [pid 3618] unlink("./55/cgroup" [pid 4029] <... write resumed>) = 4 [pid 3618] <... unlink resumed>) = 0 [pid 4029] close(3 [pid 3618] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4029] <... close resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4029] symlink("/dev/binderfs", "./binderfs" [pid 3618] lstat("./55/cgroup.net", [pid 4029] <... symlink resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4029] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4020] <... sendmsg resumed>) = 106496 [pid 3618] unlink("./55/cgroup.net" [pid 4029] <... socket resumed>) = 3 [pid 4020] close(3 [pid 3618] <... unlink resumed>) = 0 [pid 4029] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3618] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4029] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4029] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3618] lstat("./55/cgroup.cpu", [pid 4029] <... bind resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4029] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] unlink("./55/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./55") = 0 [pid 3618] mkdir("./56", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4030 attached [pid 4030] chdir("./56" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 58 [pid 4030] <... chdir resumed>) = 0 [pid 4030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4030] setpgid(0, 0) = 0 [pid 4030] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4030] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4030] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4023] <... close resumed>) = 0 [pid 4023] close(4 [pid 4030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4030] write(3, "1000", 4) = 4 [pid 4030] close(3) = 0 [pid 4030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4030] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4023] close(5 [pid 4030] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4030] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4023] close(6) = -1 EBADF (Bad file descriptor) [pid 4023] close(7) = -1 EBADF (Bad file descriptor) [pid 4023] close(8) = -1 EBADF (Bad file descriptor) [pid 4023] close(9) = -1 EBADF (Bad file descriptor) [pid 4023] close(10) = -1 EBADF (Bad file descriptor) [pid 4023] close(11) = -1 EBADF (Bad file descriptor) [pid 4023] close(12) = -1 EBADF (Bad file descriptor) [pid 4023] close(13) = -1 EBADF (Bad file descriptor) [pid 4023] close(14) = -1 EBADF (Bad file descriptor) [pid 4023] close(15) = -1 EBADF (Bad file descriptor) [pid 4023] close(16) = -1 EBADF (Bad file descriptor) [pid 4023] close(17) = -1 EBADF (Bad file descriptor) [pid 4023] close(18) = -1 EBADF (Bad file descriptor) [pid 4023] close(19) = -1 EBADF (Bad file descriptor) [pid 4023] close(20) = -1 EBADF (Bad file descriptor) [pid 4023] close(21) = -1 EBADF (Bad file descriptor) [pid 4023] close(22) = -1 EBADF (Bad file descriptor) [pid 4023] close(23) = -1 EBADF (Bad file descriptor) [pid 4023] close(24) = -1 EBADF (Bad file descriptor) [pid 4023] close(25) = -1 EBADF (Bad file descriptor) [pid 4023] close(26) = -1 EBADF (Bad file descriptor) [pid 4023] close(27) = -1 EBADF (Bad file descriptor) [pid 4023] close(28) = -1 EBADF (Bad file descriptor) [pid 4023] close(29) = -1 EBADF (Bad file descriptor) [pid 4023] exit_group(0) = ? [pid 4023] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3617] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./45/binderfs") = 0 [pid 3617] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./45/cgroup") = 0 [pid 3617] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./45/cgroup.net") = 0 [pid 3617] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./45/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./45") = 0 [pid 3617] mkdir("./46", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4031 attached [pid 4031] chdir("./46" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 48 [pid 4031] <... chdir resumed>) = 0 [pid 4031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4031] setpgid(0, 0) = 0 [pid 4031] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4031] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4031] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4031] write(3, "1000", 4) = 4 [pid 4031] close(3) = 0 [pid 4031] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4031] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4031] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4031] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4031] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4028] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 178.427338][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b796400: rx timeout, send abort [ 178.435756][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807949b400: rx timeout, send abort [pid 4028] close(3) = 0 [pid 4028] close(4) = -1 EBADF (Bad file descriptor) [pid 4028] close(5) = -1 EBADF (Bad file descriptor) [pid 4028] close(6) = -1 EBADF (Bad file descriptor) [pid 4028] close(7) = -1 EBADF (Bad file descriptor) [pid 4028] close(8) = -1 EBADF (Bad file descriptor) [pid 4028] close(9) = -1 EBADF (Bad file descriptor) [pid 4028] close(10) = -1 EBADF (Bad file descriptor) [pid 4028] close(11) = -1 EBADF (Bad file descriptor) [pid 4028] close(12) = -1 EBADF (Bad file descriptor) [pid 4028] close(13) = -1 EBADF (Bad file descriptor) [pid 4028] close(14) = -1 EBADF (Bad file descriptor) [pid 4028] close(15) = -1 EBADF (Bad file descriptor) [pid 4028] close(16) = -1 EBADF (Bad file descriptor) [pid 4028] close(17) = -1 EBADF (Bad file descriptor) [pid 4028] close(18) = -1 EBADF (Bad file descriptor) [pid 4028] close(19) = -1 EBADF (Bad file descriptor) [pid 4028] close(20) = -1 EBADF (Bad file descriptor) [pid 4028] close(21) = -1 EBADF (Bad file descriptor) [pid 4028] close(22) = -1 EBADF (Bad file descriptor) [pid 4028] close(23) = -1 EBADF (Bad file descriptor) [pid 4028] close(24) = -1 EBADF (Bad file descriptor) [pid 4028] close(25) = -1 EBADF (Bad file descriptor) [pid 4028] close(26) = -1 EBADF (Bad file descriptor) [pid 4028] close(27) = -1 EBADF (Bad file descriptor) [pid 4028] close(28) = -1 EBADF (Bad file descriptor) [pid 4028] close(29) = -1 EBADF (Bad file descriptor) [pid 4028] exit_group(0) = ? [pid 4028] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3620] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./51/binderfs") = 0 [pid 3620] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./51/cgroup") = 0 [pid 3620] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./51/cgroup.net") = 0 [pid 3620] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./51/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [ 178.485389][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b796400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 178.499916][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801da76400: rx timeout, send abort [ 178.499953][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807949b400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] rmdir("./51") = 0 [pid 3620] mkdir("./52", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4032 attached [pid 4032] chdir("./52" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 54 [pid 4032] <... chdir resumed>) = 0 [pid 4032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4032] setpgid(0, 0) = 0 [pid 4032] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4032] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4032] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4032] write(3, "1000", 4) = 4 [pid 4032] close(3) = 0 [pid 4032] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4032] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4032] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4032] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4032] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4029] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4029] close(3) = 0 [pid 4029] close(4) = -1 EBADF (Bad file descriptor) [ 178.594575][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888016b7f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 178.609110][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ad2ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4029] close(5) = -1 EBADF (Bad file descriptor) [pid 4029] close(6) = -1 EBADF (Bad file descriptor) [pid 4029] close(7) = -1 EBADF (Bad file descriptor) [pid 4029] close(8) = -1 EBADF (Bad file descriptor) [pid 4029] close(9) = -1 EBADF (Bad file descriptor) [pid 4029] close(10) = -1 EBADF (Bad file descriptor) [pid 4029] close(11) = -1 EBADF (Bad file descriptor) [pid 4029] close(12) = -1 EBADF (Bad file descriptor) [pid 4029] close(13) = -1 EBADF (Bad file descriptor) [pid 4029] close(14) = -1 EBADF (Bad file descriptor) [pid 4029] close(15) = -1 EBADF (Bad file descriptor) [pid 4029] close(16) = -1 EBADF (Bad file descriptor) [pid 4029] close(17) = -1 EBADF (Bad file descriptor) [pid 4029] close(18) = -1 EBADF (Bad file descriptor) [pid 4029] close(19) = -1 EBADF (Bad file descriptor) [pid 4029] close(20) = -1 EBADF (Bad file descriptor) [pid 4029] close(21) = -1 EBADF (Bad file descriptor) [pid 4029] close(22) = -1 EBADF (Bad file descriptor) [pid 4029] close(23) = -1 EBADF (Bad file descriptor) [pid 4029] close(24) = -1 EBADF (Bad file descriptor) [pid 4029] close(25) = -1 EBADF (Bad file descriptor) [pid 4029] close(26) = -1 EBADF (Bad file descriptor) [pid 4029] close(27) = -1 EBADF (Bad file descriptor) [pid 4029] close(28) = -1 EBADF (Bad file descriptor) [pid 4029] close(29) = -1 EBADF (Bad file descriptor) [pid 4029] exit_group(0) = ? [pid 4029] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./46/binderfs") = 0 [pid 3613] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./46/cgroup") = 0 [pid 3613] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./46/cgroup.net") = 0 [pid 3613] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./46/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./46") = 0 [pid 3613] mkdir("./47", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4033 attached [pid 4033] chdir("./47") = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 49 [pid 4033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4033] setpgid(0, 0) = 0 [pid 4033] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4033] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4033] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4033] write(3, "1000", 4) = 4 [pid 4033] close(3) = 0 [pid 4033] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4033] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4033] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4033] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 179.012628][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801da76400: abort rx timeout. Force session deactivation [pid 4033] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4031] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4031] close(3 [pid 3616] kill(-54, SIGKILL) = 0 [pid 3616] kill(54, SIGKILL [pid 4020] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 4020] +++ killed by SIGKILL +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=54, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3616] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 179.188504][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065142800: rx timeout, send abort [ 179.196934][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801cee4800: rx timeout, send abort [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./52/binderfs") = 0 [pid 3616] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./52/cgroup") = 0 [pid 3616] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./52/cgroup.net") = 0 [pid 3616] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4030] <... sendmsg resumed>) = 106496 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4030] close(3 [pid 3616] lstat("./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4031] <... close resumed>) = 0 [pid 3616] unlink("./52/cgroup.cpu" [pid 4031] close(4) = -1 EBADF (Bad file descriptor) [pid 4031] close(5 [pid 3616] <... unlink resumed>) = 0 [pid 4031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4031] close(6) = -1 EBADF (Bad file descriptor) [pid 4031] close(7) = -1 EBADF (Bad file descriptor) [pid 4031] close(8) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, [pid 4031] close(9 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4031] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] close(3 [pid 4031] close(10) = -1 EBADF (Bad file descriptor) [pid 4031] close(11) = -1 EBADF (Bad file descriptor) [pid 4031] close(12) = -1 EBADF (Bad file descriptor) [pid 4031] close(13) = -1 EBADF (Bad file descriptor) [pid 4031] close(14) = -1 EBADF (Bad file descriptor) [pid 4031] close(15) = -1 EBADF (Bad file descriptor) [pid 4031] close(16) = -1 EBADF (Bad file descriptor) [pid 4031] close(17) = -1 EBADF (Bad file descriptor) [pid 4031] close(18) = -1 EBADF (Bad file descriptor) [pid 4031] close(19) = -1 EBADF (Bad file descriptor) [pid 4031] close(20) = -1 EBADF (Bad file descriptor) [pid 4031] close(21) = -1 EBADF (Bad file descriptor) [pid 4031] close(22) = -1 EBADF (Bad file descriptor) [pid 4031] close(23) = -1 EBADF (Bad file descriptor) [pid 4031] close(24) = -1 EBADF (Bad file descriptor) [pid 4031] close(25) = -1 EBADF (Bad file descriptor) [pid 4031] close(26) = -1 EBADF (Bad file descriptor) [pid 4031] close(27) = -1 EBADF (Bad file descriptor) [pid 4031] close(28) = -1 EBADF (Bad file descriptor) [pid 3616] <... close resumed>) = 0 [pid 4031] close(29) = -1 EBADF (Bad file descriptor) [pid 3616] rmdir("./52" [pid 4031] exit_group(0) = ? [pid 4031] +++ exited with 0 +++ [pid 3616] <... rmdir resumed>) = 0 [ 179.298249][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065142800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 179.312829][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801cee4800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] mkdir("./53", 0777 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] <... mkdir resumed>) = 0 [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 4034 attached [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 55 [pid 4034] chdir("./53" [pid 3617] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4034] <... chdir resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4034] <... prctl resumed>) = 0 [pid 3617] <... openat resumed>) = 3 [pid 4034] setpgid(0, 0 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4034] <... setpgid resumed>) = 0 [pid 3617] getdents64(3, [pid 4034] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4034] <... symlink resumed>) = 0 [pid 3617] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4034] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4034] <... symlink resumed>) = 0 [pid 4034] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3617] lstat("./46/binderfs", [pid 4034] <... symlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] unlink("./46/binderfs" [pid 4034] <... openat resumed>) = 3 [pid 3617] <... unlink resumed>) = 0 [pid 4034] write(3, "1000", 4) = 4 [pid 3617] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4034] close(3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4034] <... close resumed>) = 0 [pid 3617] lstat("./46/cgroup", [pid 4034] symlink("/dev/binderfs", "./binderfs" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4034] <... symlink resumed>) = 0 [pid 4034] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] unlink("./46/cgroup" [pid 4034] <... socket resumed>) = 3 [pid 3617] <... unlink resumed>) = 0 [pid 4034] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4034] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4034] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] lstat("./46/cgroup.net", [pid 4034] <... bind resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4034] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] unlink("./46/cgroup.net") = 0 [pid 3617] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./46/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./46") = 0 [pid 3617] mkdir("./47", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4035 attached [pid 4035] chdir("./47" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 49 [pid 4035] <... chdir resumed>) = 0 [pid 4035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4035] setpgid(0, 0) = 0 [pid 4035] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4035] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4035] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4035] write(3, "1000", 4) = 4 [pid 4035] close(3) = 0 [pid 4035] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4035] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4035] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4035] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4035] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4033] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 179.865272][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807e76ec00: rx timeout, send abort [ 179.873723][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065c42000: rx timeout, send abort [pid 4033] close(3 [pid 4025] <... sendmsg resumed>) = 106496 [pid 4025] close(3 [pid 4034] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 179.976925][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801690e000: rx timeout, send abort [ 180.010319][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807451e000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4034] close(3) = 0 [pid 4034] close(4) = -1 EBADF (Bad file descriptor) [pid 4034] close(5) = -1 EBADF (Bad file descriptor) [pid 4034] close(6) = -1 EBADF (Bad file descriptor) [pid 4034] close(7) = -1 EBADF (Bad file descriptor) [pid 4034] close(8) = -1 EBADF (Bad file descriptor) [pid 4034] close(9) = -1 EBADF (Bad file descriptor) [pid 4034] close(10) = -1 EBADF (Bad file descriptor) [pid 4034] close(11) = -1 EBADF (Bad file descriptor) [pid 4034] close(12) = -1 EBADF (Bad file descriptor) [pid 4034] close(13) = -1 EBADF (Bad file descriptor) [pid 4034] close(14) = -1 EBADF (Bad file descriptor) [pid 4034] close(15) = -1 EBADF (Bad file descriptor) [pid 4034] close(16) = -1 EBADF (Bad file descriptor) [pid 4034] close(17) = -1 EBADF (Bad file descriptor) [pid 4034] close(18) = -1 EBADF (Bad file descriptor) [pid 4034] close(19) = -1 EBADF (Bad file descriptor) [pid 4034] close(20) = -1 EBADF (Bad file descriptor) [pid 4034] close(21) = -1 EBADF (Bad file descriptor) [pid 4034] close(22) = -1 EBADF (Bad file descriptor) [pid 4034] close(23) = -1 EBADF (Bad file descriptor) [pid 4034] close(24) = -1 EBADF (Bad file descriptor) [pid 4034] close(25) = -1 EBADF (Bad file descriptor) [pid 4034] close(26) = -1 EBADF (Bad file descriptor) [pid 4034] close(27) = -1 EBADF (Bad file descriptor) [pid 4034] close(28) = -1 EBADF (Bad file descriptor) [pid 4034] close(29) = -1 EBADF (Bad file descriptor) [pid 4034] exit_group(0) = ? [pid 4034] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3616] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3616] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 180.024761][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807451e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./53/binderfs") = 0 [pid 3616] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./53/cgroup") = 0 [pid 3616] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./53/cgroup.net") = 0 [pid 3616] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./53/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./53") = 0 [pid 3616] mkdir("./54", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 56 ./strace-static-x86_64: Process 4036 attached [pid 4036] chdir("./54") = 0 [pid 4036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4036] setpgid(0, 0) = 0 [pid 4036] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4036] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4036] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4036] write(3, "1000", 4) = 4 [pid 4036] close(3) = 0 [pid 4036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4036] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4036] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4036] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4036] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4033] <... close resumed>) = 0 [pid 4033] close(4) = -1 EBADF (Bad file descriptor) [pid 4033] close(5) = -1 EBADF (Bad file descriptor) [pid 4033] close(6) = -1 EBADF (Bad file descriptor) [pid 4033] close(7) = -1 EBADF (Bad file descriptor) [pid 4033] close(8) = -1 EBADF (Bad file descriptor) [pid 4033] close(9) = -1 EBADF (Bad file descriptor) [ 180.383433][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807e76ec00: abort rx timeout. Force session deactivation [ 180.393793][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065c42000: abort rx timeout. Force session deactivation [pid 4033] close(10) = -1 EBADF (Bad file descriptor) [pid 4033] close(11) = -1 EBADF (Bad file descriptor) [pid 4033] close(12) = -1 EBADF (Bad file descriptor) [pid 4033] close(13) = -1 EBADF (Bad file descriptor) [pid 4033] close(14) = -1 EBADF (Bad file descriptor) [pid 4033] close(15) = -1 EBADF (Bad file descriptor) [pid 4033] close(16) = -1 EBADF (Bad file descriptor) [pid 4033] close(17) = -1 EBADF (Bad file descriptor) [pid 4033] close(18) = -1 EBADF (Bad file descriptor) [pid 4033] close(19) = -1 EBADF (Bad file descriptor) [pid 4033] close(20) = -1 EBADF (Bad file descriptor) [pid 4033] close(21) = -1 EBADF (Bad file descriptor) [pid 4033] close(22) = -1 EBADF (Bad file descriptor) [pid 4033] close(23) = -1 EBADF (Bad file descriptor) [pid 4033] close(24) = -1 EBADF (Bad file descriptor) [pid 4033] close(25) = -1 EBADF (Bad file descriptor) [pid 4033] close(26) = -1 EBADF (Bad file descriptor) [pid 4033] close(27) = -1 EBADF (Bad file descriptor) [pid 4033] close(28) = -1 EBADF (Bad file descriptor) [pid 4033] close(29) = -1 EBADF (Bad file descriptor) [pid 4033] exit_group(0) = ? [pid 4033] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./47/binderfs") = 0 [pid 3613] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 180.491704][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801690e000: abort rx timeout. Force session deactivation [pid 3613] unlink("./47/cgroup") = 0 [pid 3613] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./47/cgroup.net") = 0 [pid 3613] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./47/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3 [pid 4035] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4035] close(3 [pid 3613] <... close resumed>) = 0 [pid 3613] rmdir("./47") = 0 [pid 3613] mkdir("./48", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4037 attached [pid 4037] chdir("./48" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 50 [pid 4037] <... chdir resumed>) = 0 [pid 4037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4037] setpgid(0, 0) = 0 [pid 4037] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4037] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4037] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4037] write(3, "1000", 4) = 4 [pid 4037] close(3) = 0 [pid 4037] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4037] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [ 180.599062][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888075c1d400: rx timeout, send abort [ 180.607523][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d4f4c00: rx timeout, send abort [pid 4037] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4037] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4037] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4035] <... close resumed>) = 0 [pid 4035] close(4) = -1 EBADF (Bad file descriptor) [pid 4035] close(5) = -1 EBADF (Bad file descriptor) [pid 4035] close(6) = -1 EBADF (Bad file descriptor) [pid 4035] close(7) = -1 EBADF (Bad file descriptor) [pid 4035] close(8) = -1 EBADF (Bad file descriptor) [pid 4035] close(9) = -1 EBADF (Bad file descriptor) [pid 4035] close(10) = -1 EBADF (Bad file descriptor) [pid 4035] close(11) = -1 EBADF (Bad file descriptor) [pid 4035] close(12) = -1 EBADF (Bad file descriptor) [pid 4035] close(13) = -1 EBADF (Bad file descriptor) [pid 4035] close(14) = -1 EBADF (Bad file descriptor) [pid 4035] close(15) = -1 EBADF (Bad file descriptor) [pid 4035] close(16) = -1 EBADF (Bad file descriptor) [pid 4035] close(17) = -1 EBADF (Bad file descriptor) [pid 4035] close(18) = -1 EBADF (Bad file descriptor) [pid 4035] close(19) = -1 EBADF (Bad file descriptor) [pid 4035] close(20) = -1 EBADF (Bad file descriptor) [pid 4035] close(21) = -1 EBADF (Bad file descriptor) [pid 4035] close(22) = -1 EBADF (Bad file descriptor) [pid 4035] close(23) = -1 EBADF (Bad file descriptor) [pid 4035] close(24) = -1 EBADF (Bad file descriptor) [pid 4035] close(25) = -1 EBADF (Bad file descriptor) [pid 4035] close(26) = -1 EBADF (Bad file descriptor) [pid 4035] close(27) = -1 EBADF (Bad file descriptor) [pid 4035] close(28) = -1 EBADF (Bad file descriptor) [pid 4035] close(29) = -1 EBADF (Bad file descriptor) [pid 4035] exit_group(0) = ? [pid 4035] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 180.684427][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075c1d400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 180.698978][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d4f4c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 180.722291][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888016921400: rx timeout, send abort [pid 3617] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./47/binderfs") = 0 [pid 3617] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./47/cgroup") = 0 [pid 3617] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./47/cgroup.net") = 0 [pid 3617] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./47/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./47") = 0 [pid 3617] mkdir("./48", 0777 [pid 3619] kill(-52, SIGKILL [pid 3617] <... mkdir resumed>) = 0 [pid 3619] <... kill resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4038 attached [pid 3619] kill(52, SIGKILL [pid 4038] chdir("./48" [pid 3619] <... kill resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 50 [pid 4038] <... chdir resumed>) = 0 [pid 4038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4038] setpgid(0, 0) = 0 [pid 4038] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4038] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4038] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4038] write(3, "1000", 4) = 4 [pid 4038] close(3) = 0 [pid 4038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4038] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4038] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4038] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4038] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4032] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4025] <... close resumed>) = ? [pid 4032] close(3 [pid 4025] +++ killed by SIGKILL +++ [pid 4032] <... close resumed>) = 0 [pid 4032] close(4 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=52, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4032] close(5 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4032] close(6 [pid 3619] <... openat resumed>) = 3 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 4032] close(7 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4032] close(8 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 180.730885][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f01c000: rx timeout, send abort [ 180.749724][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888016921400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 180.764157][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f01c000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4032] close(9 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./50/binderfs", [pid 4032] close(10 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./50/binderfs" [pid 4032] close(11 [pid 3619] <... unlink resumed>) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4032] close(12 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./50/cgroup", [pid 4032] close(13 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./50/cgroup" [pid 4032] close(14 [pid 3619] <... unlink resumed>) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4032] close(15 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./50/cgroup.net", [pid 4032] close(16 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./50/cgroup.net" [pid 4032] close(17 [pid 3619] <... unlink resumed>) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4032] close(18 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./50/cgroup.cpu", [pid 4032] close(19 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./50/cgroup.cpu" [pid 4032] close(20 [pid 3619] <... unlink resumed>) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4032] close(21 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 4032] close(22 [pid 3619] <... close resumed>) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./50" [pid 4032] close(23 [pid 3619] <... rmdir resumed>) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./51", 0777 [pid 4032] close(24 [pid 3619] <... mkdir resumed>) = 0 [pid 4032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4032] close(25) = -1 EBADF (Bad file descriptor) [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 53 [pid 4032] close(26) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4039 attached [pid 4032] close(27) = -1 EBADF (Bad file descriptor) [pid 4032] close(28) = -1 EBADF (Bad file descriptor) [pid 4032] close(29) = -1 EBADF (Bad file descriptor) [pid 4032] exit_group(0 [pid 4039] chdir("./51" [pid 4032] <... exit_group resumed>) = ? [pid 4039] <... chdir resumed>) = 0 [pid 4032] +++ exited with 0 +++ [pid 4039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3620] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./52/binderfs") = 0 [pid 3620] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./52/cgroup") = 0 [pid 3620] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4039] <... prctl resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./52/cgroup.net", [pid 4039] setpgid(0, 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./52/cgroup.net" [pid 4039] <... setpgid resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./52/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./52") = 0 [pid 3620] mkdir("./53", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4039] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 55 ./strace-static-x86_64: Process 4040 attached [pid 4039] <... symlink resumed>) = 0 [pid 4040] chdir("./53" [pid 4039] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4040] <... chdir resumed>) = 0 [pid 4039] <... symlink resumed>) = 0 [pid 4040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4039] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4040] <... prctl resumed>) = 0 [pid 4039] <... symlink resumed>) = 0 [pid 4040] setpgid(0, 0) = 0 [pid 4039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4040] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4039] <... openat resumed>) = 3 [pid 4040] <... symlink resumed>) = 0 [pid 4039] write(3, "1000", 4 [pid 4040] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4039] <... write resumed>) = 4 [pid 4040] <... symlink resumed>) = 0 [pid 4039] close(3 [pid 4040] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4039] <... close resumed>) = 0 [pid 4040] <... symlink resumed>) = 0 [pid 4039] symlink("/dev/binderfs", "./binderfs" [pid 4040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4039] <... symlink resumed>) = 0 [pid 4040] <... openat resumed>) = 3 [pid 4039] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4040] write(3, "1000", 4 [pid 4039] <... socket resumed>) = 3 [pid 4040] <... write resumed>) = 4 [pid 4039] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4040] close(3 [pid 4039] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4040] <... close resumed>) = 0 [pid 4039] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4040] symlink("/dev/binderfs", "./binderfs" [pid 4039] <... bind resumed>) = 0 [pid 4040] <... symlink resumed>) = 0 [pid 4039] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4040] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4030] <... close resumed>) = 0 [pid 4040] <... socket resumed>) = 3 [pid 4030] close(4) = -1 EBADF (Bad file descriptor) [pid 4030] close(5) = -1 EBADF (Bad file descriptor) [pid 4030] close(6) = -1 EBADF (Bad file descriptor) [pid 4030] close(7) = -1 EBADF (Bad file descriptor) [pid 4030] close(8) = -1 EBADF (Bad file descriptor) [pid 4030] close(9) = -1 EBADF (Bad file descriptor) [pid 4030] close(10) = -1 EBADF (Bad file descriptor) [pid 4030] close(11 [pid 4040] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4040] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4030] close(12 [pid 4040] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(13 [pid 4040] <... bind resumed>) = 0 [pid 4030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4030] close(14) = -1 EBADF (Bad file descriptor) [pid 4030] close(15) = -1 EBADF (Bad file descriptor) [pid 4030] close(16) = -1 EBADF (Bad file descriptor) [pid 4030] close(17) = -1 EBADF (Bad file descriptor) [pid 4030] close(18) = -1 EBADF (Bad file descriptor) [pid 4030] close(19) = -1 EBADF (Bad file descriptor) [pid 4030] close(20) = -1 EBADF (Bad file descriptor) [pid 4030] close(21) = -1 EBADF (Bad file descriptor) [pid 4030] close(22) = -1 EBADF (Bad file descriptor) [pid 4030] close(23) = -1 EBADF (Bad file descriptor) [pid 4030] close(24) = -1 EBADF (Bad file descriptor) [pid 4030] close(25) = -1 EBADF (Bad file descriptor) [pid 4030] close(26) = -1 EBADF (Bad file descriptor) [pid 4030] close(27) = -1 EBADF (Bad file descriptor) [pid 4030] close(28) = -1 EBADF (Bad file descriptor) [pid 4040] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4030] close(29) = -1 EBADF (Bad file descriptor) [pid 4030] exit_group(0) = ? [pid 4030] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./56/binderfs") = 0 [pid 3618] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./56/cgroup") = 0 [pid 3618] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./56/cgroup.net") = 0 [pid 3618] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./56/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./56") = 0 [pid 3618] mkdir("./57", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4041 attached [pid 4041] chdir("./57" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 59 [pid 4041] <... chdir resumed>) = 0 [pid 4041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4041] setpgid(0, 0) = 0 [pid 4041] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4041] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4041] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4041] write(3, "1000", 4) = 4 [pid 4041] close(3) = 0 [pid 4041] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4041] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4041] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4041] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4041] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4039] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4039] close(3) = 0 [pid 4039] close(4) = -1 EBADF (Bad file descriptor) [pid 4039] close(5) = -1 EBADF (Bad file descriptor) [pid 4039] close(6) = -1 EBADF (Bad file descriptor) [pid 4039] close(7) = -1 EBADF (Bad file descriptor) [pid 4039] close(8) = -1 EBADF (Bad file descriptor) [pid 4039] close(9) = -1 EBADF (Bad file descriptor) [pid 4039] close(10) = -1 EBADF (Bad file descriptor) [pid 4039] close(11) = -1 EBADF (Bad file descriptor) [pid 4039] close(12) = -1 EBADF (Bad file descriptor) [pid 4039] close(13) = -1 EBADF (Bad file descriptor) [pid 4039] close(14) = -1 EBADF (Bad file descriptor) [pid 4039] close(15) = -1 EBADF (Bad file descriptor) [ 181.534171][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888072c95c00: rx timeout, send abort [ 181.548279][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806af55400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 181.562727][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d349800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4039] close(16) = -1 EBADF (Bad file descriptor) [pid 4039] close(17) = -1 EBADF (Bad file descriptor) [pid 4039] close(18) = -1 EBADF (Bad file descriptor) [pid 4039] close(19) = -1 EBADF (Bad file descriptor) [pid 4039] close(20) = -1 EBADF (Bad file descriptor) [pid 4039] close(21) = -1 EBADF (Bad file descriptor) [pid 4039] close(22) = -1 EBADF (Bad file descriptor) [pid 4039] close(23) = -1 EBADF (Bad file descriptor) [pid 4039] close(24) = -1 EBADF (Bad file descriptor) [pid 4039] close(25) = -1 EBADF (Bad file descriptor) [pid 4039] close(26) = -1 EBADF (Bad file descriptor) [pid 4039] close(27) = -1 EBADF (Bad file descriptor) [pid 4039] close(28) = -1 EBADF (Bad file descriptor) [pid 4039] close(29) = -1 EBADF (Bad file descriptor) [pid 4039] exit_group(0) = ? [pid 4039] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./51/binderfs") = 0 [pid 3619] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./51/cgroup") = 0 [pid 3619] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./51/cgroup.net") = 0 [pid 3619] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./51/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./51") = 0 [pid 3619] mkdir("./52", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4042 attached , child_tidptr=0x555556f5d5d0) = 54 [pid 4042] chdir("./52") = 0 [pid 4042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4042] setpgid(0, 0) = 0 [pid 4042] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4042] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4042] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4042] write(3, "1000", 4) = 4 [pid 4042] close(3) = 0 [pid 4042] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4042] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4042] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4042] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 182.047799][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888072c95c00: abort rx timeout. Force session deactivation [pid 4042] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4041] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 182.156625][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807386b400: rx timeout, send abort [ 182.165032][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a053800: rx timeout, send abort [pid 4041] close(3) = 0 [pid 4041] close(4) = -1 EBADF (Bad file descriptor) [pid 4041] close(5) = -1 EBADF (Bad file descriptor) [pid 4041] close(6) = -1 EBADF (Bad file descriptor) [pid 4041] close(7) = -1 EBADF (Bad file descriptor) [pid 4041] close(8) = -1 EBADF (Bad file descriptor) [ 182.218246][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807386b400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 182.232831][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a053800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4041] close(9) = -1 EBADF (Bad file descriptor) [pid 4041] close(10) = -1 EBADF (Bad file descriptor) [pid 4041] close(11) = -1 EBADF (Bad file descriptor) [pid 4041] close(12) = -1 EBADF (Bad file descriptor) [pid 4041] close(13) = -1 EBADF (Bad file descriptor) [pid 4041] close(14) = -1 EBADF (Bad file descriptor) [pid 4041] close(15) = -1 EBADF (Bad file descriptor) [pid 4041] close(16) = -1 EBADF (Bad file descriptor) [pid 4041] close(17) = -1 EBADF (Bad file descriptor) [pid 4041] close(18) = -1 EBADF (Bad file descriptor) [pid 4041] close(19) = -1 EBADF (Bad file descriptor) [pid 4041] close(20) = -1 EBADF (Bad file descriptor) [pid 4041] close(21) = -1 EBADF (Bad file descriptor) [pid 4041] close(22) = -1 EBADF (Bad file descriptor) [pid 4041] close(23) = -1 EBADF (Bad file descriptor) [pid 4041] close(24) = -1 EBADF (Bad file descriptor) [pid 4041] close(25) = -1 EBADF (Bad file descriptor) [pid 4041] close(26) = -1 EBADF (Bad file descriptor) [pid 4041] close(27) = -1 EBADF (Bad file descriptor) [pid 4041] close(28) = -1 EBADF (Bad file descriptor) [pid 4041] close(29) = -1 EBADF (Bad file descriptor) [pid 4041] exit_group(0) = ? [pid 4041] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./57/binderfs") = 0 [pid 3618] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./57/cgroup") = 0 [pid 3618] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./57/cgroup.net") = 0 [pid 3618] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./57/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./57") = 0 [pid 3618] mkdir("./58", 0777 [pid 4038] <... sendmsg resumed>) = 106496 [pid 3618] <... mkdir resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4043 attached [pid 4043] chdir("./58" [pid 4038] close(3 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 60 [pid 4043] <... chdir resumed>) = 0 [pid 4043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4043] setpgid(0, 0) = 0 [pid 4043] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4043] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4043] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4043] write(3, "1000", 4) = 4 [pid 4043] close(3) = 0 [pid 4043] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4043] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4040] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4043] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4040] close(3 [pid 4043] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4043] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 182.442447][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d34ac00: rx timeout, send abort [ 182.460096][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806dfc2c00: rx timeout, send abort [pid 4043] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4040] <... close resumed>) = 0 [pid 4040] close(4) = -1 EBADF (Bad file descriptor) [pid 4040] close(5) = -1 EBADF (Bad file descriptor) [pid 4040] close(6) = -1 EBADF (Bad file descriptor) [pid 4040] close(7) = -1 EBADF (Bad file descriptor) [pid 4040] close(8) = -1 EBADF (Bad file descriptor) [pid 4040] close(9) = -1 EBADF (Bad file descriptor) [pid 4040] close(10) = -1 EBADF (Bad file descriptor) [pid 4040] close(11) = -1 EBADF (Bad file descriptor) [pid 4040] close(12) = -1 EBADF (Bad file descriptor) [pid 4040] close(13) = -1 EBADF (Bad file descriptor) [pid 4040] close(14) = -1 EBADF (Bad file descriptor) [pid 4040] close(15) = -1 EBADF (Bad file descriptor) [pid 4040] close(16) = -1 EBADF (Bad file descriptor) [pid 4040] close(17) = -1 EBADF (Bad file descriptor) [pid 4040] close(18) = -1 EBADF (Bad file descriptor) [pid 4040] close(19) = -1 EBADF (Bad file descriptor) [pid 4040] close(20) = -1 EBADF (Bad file descriptor) [pid 4040] close(21) = -1 EBADF (Bad file descriptor) [pid 4040] close(22) = -1 EBADF (Bad file descriptor) [pid 4040] close(23) = -1 EBADF (Bad file descriptor) [pid 4040] close(24) = -1 EBADF (Bad file descriptor) [pid 4040] close(25) = -1 EBADF (Bad file descriptor) [pid 4040] close(26) = -1 EBADF (Bad file descriptor) [pid 4040] close(27) = -1 EBADF (Bad file descriptor) [pid 4040] close(28) = -1 EBADF (Bad file descriptor) [pid 4040] close(29) = -1 EBADF (Bad file descriptor) [pid 4040] exit_group(0) = ? [pid 4040] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 182.520727][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d34ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 182.535296][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806dfc2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./53/binderfs") = 0 [pid 3620] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./53/cgroup") = 0 [pid 3620] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4042] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4042] close(3 [pid 3620] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./53/cgroup.net") = 0 [pid 3620] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./53/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./53") = 0 [pid 3620] mkdir("./54", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4044 attached [pid 4044] chdir("./54" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 56 [pid 4044] <... chdir resumed>) = 0 [pid 4044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4044] setpgid(0, 0) = 0 [pid 4044] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4044] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4044] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4044] write(3, "1000", 4) = 4 [pid 4044] close(3) = 0 [pid 4044] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4044] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4044] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4044] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 182.713064][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888067305400: rx timeout, send abort [ 182.721457][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f4e5000: rx timeout, send abort [pid 4044] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4042] <... close resumed>) = 0 [pid 4042] close(4) = -1 EBADF (Bad file descriptor) [pid 4042] close(5) = -1 EBADF (Bad file descriptor) [pid 4042] close(6) = -1 EBADF (Bad file descriptor) [pid 4042] close(7) = -1 EBADF (Bad file descriptor) [pid 4042] close(8) = -1 EBADF (Bad file descriptor) [pid 4042] close(9) = -1 EBADF (Bad file descriptor) [pid 4042] close(10) = -1 EBADF (Bad file descriptor) [pid 4042] close(11) = -1 EBADF (Bad file descriptor) [pid 4042] close(12) = -1 EBADF (Bad file descriptor) [pid 4042] close(13) = -1 EBADF (Bad file descriptor) [pid 4042] close(14) = -1 EBADF (Bad file descriptor) [pid 4042] close(15) = -1 EBADF (Bad file descriptor) [pid 4042] close(16) = -1 EBADF (Bad file descriptor) [pid 4042] close(17) = -1 EBADF (Bad file descriptor) [pid 4042] close(18) = -1 EBADF (Bad file descriptor) [pid 4042] close(19) = -1 EBADF (Bad file descriptor) [pid 4042] close(20) = -1 EBADF (Bad file descriptor) [pid 4042] close(21) = -1 EBADF (Bad file descriptor) [ 182.774436][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888067305400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 182.789032][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f4e5000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4042] close(22) = -1 EBADF (Bad file descriptor) [pid 4042] close(23) = -1 EBADF (Bad file descriptor) [pid 4042] close(24) = -1 EBADF (Bad file descriptor) [pid 4042] close(25) = -1 EBADF (Bad file descriptor) [pid 4042] close(26) = -1 EBADF (Bad file descriptor) [pid 4042] close(27) = -1 EBADF (Bad file descriptor) [pid 4042] close(28) = -1 EBADF (Bad file descriptor) [pid 4042] close(29) = -1 EBADF (Bad file descriptor) [pid 4042] exit_group(0) = ? [pid 4042] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./52/binderfs") = 0 [pid 3619] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./52/cgroup") = 0 [pid 3619] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./52/cgroup.net") = 0 [pid 3619] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./52/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./52") = 0 [pid 3619] mkdir("./53", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4045 attached , child_tidptr=0x555556f5d5d0) = 55 [pid 4045] chdir("./53") = 0 [pid 4045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4045] setpgid(0, 0) = 0 [pid 4045] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4045] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4036] <... sendmsg resumed>) = 106496 [pid 4045] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4045] write(3, "1000", 4) = 4 [pid 4045] close(3) = 0 [pid 4045] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4045] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4045] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4036] close(3 [pid 4045] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4045] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4043] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 183.464666][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c655800: rx timeout, send abort [ 183.473073][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888079834400: rx timeout, send abort [pid 4043] close(3) = 0 [ 183.525155][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c655800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 183.539798][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888079834400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4043] close(4) = -1 EBADF (Bad file descriptor) [pid 4037] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4043] close(5 [pid 4037] close(3 [pid 4043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4043] close(6) = -1 EBADF (Bad file descriptor) [pid 4043] close(7) = -1 EBADF (Bad file descriptor) [pid 4043] close(8) = -1 EBADF (Bad file descriptor) [pid 4043] close(9) = -1 EBADF (Bad file descriptor) [pid 4043] close(10) = -1 EBADF (Bad file descriptor) [pid 4043] close(11) = -1 EBADF (Bad file descriptor) [pid 4043] close(12) = -1 EBADF (Bad file descriptor) [pid 4043] close(13) = -1 EBADF (Bad file descriptor) [pid 4043] close(14) = -1 EBADF (Bad file descriptor) [pid 4043] close(15) = -1 EBADF (Bad file descriptor) [pid 4043] close(16) = -1 EBADF (Bad file descriptor) [pid 4043] close(17) = -1 EBADF (Bad file descriptor) [pid 4043] close(18) = -1 EBADF (Bad file descriptor) [pid 4043] close(19) = -1 EBADF (Bad file descriptor) [pid 4043] close(20) = -1 EBADF (Bad file descriptor) [ 183.575748][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068dca000: rx timeout, send abort [ 183.584191][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888071350000: rx timeout, send abort [pid 4043] close(21) = -1 EBADF (Bad file descriptor) [pid 4043] close(22) = -1 EBADF (Bad file descriptor) [pid 4043] close(23) = -1 EBADF (Bad file descriptor) [pid 4037] <... close resumed>) = 0 [pid 4037] close(4 [pid 4043] close(24 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(5 [ 183.643782][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068dca000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 183.658297][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888071350000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(6) = -1 EBADF (Bad file descriptor) [pid 4037] close(7) = -1 EBADF (Bad file descriptor) [pid 4037] close(8) = -1 EBADF (Bad file descriptor) [pid 4037] close(9) = -1 EBADF (Bad file descriptor) [pid 4037] close(10) = -1 EBADF (Bad file descriptor) [pid 4037] close(11) = -1 EBADF (Bad file descriptor) [pid 4037] close(12) = -1 EBADF (Bad file descriptor) [pid 4037] close(13) = -1 EBADF (Bad file descriptor) [pid 4037] close(14) = -1 EBADF (Bad file descriptor) [pid 4037] close(15) = -1 EBADF (Bad file descriptor) [pid 4037] close(16) = -1 EBADF (Bad file descriptor) [pid 4037] close(17) = -1 EBADF (Bad file descriptor) [pid 4037] close(18) = -1 EBADF (Bad file descriptor) [pid 4037] close(19) = -1 EBADF (Bad file descriptor) [pid 4037] close(20) = -1 EBADF (Bad file descriptor) [pid 4037] close(21) = -1 EBADF (Bad file descriptor) [pid 4037] close(22) = -1 EBADF (Bad file descriptor) [pid 4037] close(23) = -1 EBADF (Bad file descriptor) [pid 4037] close(24) = -1 EBADF (Bad file descriptor) [pid 4043] close(25 [pid 4037] close(25) = -1 EBADF (Bad file descriptor) [pid 4043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(26 [pid 4043] close(26 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(27) = -1 EBADF (Bad file descriptor) [pid 4037] close(28) = -1 EBADF (Bad file descriptor) [pid 4037] close(29) = -1 EBADF (Bad file descriptor) [pid 4037] exit_group(0) = ? [pid 4043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] +++ exited with 0 +++ [pid 4043] close(27) = -1 EBADF (Bad file descriptor) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4043] close(28) = -1 EBADF (Bad file descriptor) [pid 4043] close(29 [pid 3613] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4043] exit_group(0 [pid 3613] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4043] <... exit_group resumed>) = ? [pid 4043] +++ exited with 0 +++ [pid 3613] <... openat resumed>) = 3 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, [pid 3618] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... openat resumed>) = 3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] fstat(3, [pid 3613] lstat("./48/binderfs", [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] getdents64(3, [pid 3613] unlink("./48/binderfs" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... unlink resumed>) = 0 [pid 3618] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./58/binderfs", [pid 3613] lstat("./48/cgroup", [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./58/binderfs" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3613] unlink("./48/cgroup" [pid 3618] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... unlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./58/cgroup", [pid 3613] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./58/cgroup" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./48/cgroup.net", [pid 3618] <... unlink resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] unlink("./48/cgroup.net" [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... unlink resumed>) = 0 [pid 3618] lstat("./58/cgroup.net", [pid 3613] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] unlink("./58/cgroup.net" [pid 3613] lstat("./48/cgroup.cpu", [pid 3618] <... unlink resumed>) = 0 [pid 4045] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3618] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 183.928073][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880247edc00: rx timeout, send abort [ 183.936573][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806fba0400: rx timeout, send abort [ 183.949050][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880247edc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4045] close(3) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] unlink("./48/cgroup.cpu" [pid 4045] close(4) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./58/cgroup.cpu", [pid 3613] <... unlink resumed>) = 0 [pid 4045] close(5) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] getdents64(3, [pid 4045] close(6 [pid 3618] unlink("./58/cgroup.cpu" [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4045] close(7 [ 183.964474][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fba0400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] close(3 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 3613] <... close resumed>) = 0 [pid 4045] close(8 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] rmdir("./48" [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] close(3 [pid 3613] <... rmdir resumed>) = 0 [pid 4045] close(9 [pid 3618] <... close resumed>) = 0 [pid 3613] mkdir("./49", 0777 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] rmdir("./58" [pid 3613] <... mkdir resumed>) = 0 [pid 4045] close(10 [pid 3618] <... rmdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4046 attached [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] mkdir("./59", 0777 [pid 4045] close(11 [pid 3618] <... mkdir resumed>) = 0 [pid 4046] chdir("./49" [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 51 [pid 4046] <... chdir resumed>) = 0 [pid 4045] close(12 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4047 attached [pid 4046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] chdir("./59" [pid 4046] <... prctl resumed>) = 0 [pid 4045] close(13 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 61 [pid 4047] <... chdir resumed>) = 0 [pid 4046] setpgid(0, 0 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4046] <... setpgid resumed>) = 0 [pid 4045] close(14 [pid 4047] <... prctl resumed>) = 0 [pid 4046] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] setpgid(0, 0 [pid 4046] <... symlink resumed>) = 0 [pid 4045] close(15 [pid 4047] <... setpgid resumed>) = 0 [pid 4046] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4046] <... symlink resumed>) = 0 [pid 4045] close(16 [pid 4047] <... symlink resumed>) = 0 [pid 4046] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4046] <... symlink resumed>) = 0 [pid 4045] close(17 [pid 4047] <... symlink resumed>) = 0 [pid 4046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = 0 [pid 4047] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4046] <... openat resumed>) = 3 [pid 4045] close(18 [pid 4038] close(4 [pid 4047] <... symlink resumed>) = 0 [pid 4046] write(3, "1000", 4 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4046] <... write resumed>) = 4 [pid 4045] close(19 [pid 4047] <... openat resumed>) = 3 [pid 4046] close(3 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] close(5) = -1 EBADF (Bad file descriptor) [pid 4038] close(6) = -1 EBADF (Bad file descriptor) [pid 4047] write(3, "1000", 4 [pid 4046] <... close resumed>) = 0 [pid 4045] close(20 [pid 4038] close(7) = -1 EBADF (Bad file descriptor) [pid 4047] <... write resumed>) = 4 [pid 4046] symlink("/dev/binderfs", "./binderfs" [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] close(8) = -1 EBADF (Bad file descriptor) [pid 4038] close(9) = -1 EBADF (Bad file descriptor) [pid 4047] close(3 [pid 4038] close(10 [pid 4047] <... close resumed>) = 0 [pid 4046] <... symlink resumed>) = 0 [pid 4045] close(21 [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] symlink("/dev/binderfs", "./binderfs" [pid 4046] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] close(11) = -1 EBADF (Bad file descriptor) [pid 4038] close(12) = -1 EBADF (Bad file descriptor) [pid 4038] close(13 [pid 4047] <... symlink resumed>) = 0 [pid 4046] <... socket resumed>) = 3 [pid 4045] close(22 [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4046] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] close(14) = -1 EBADF (Bad file descriptor) [pid 4038] close(15) = -1 EBADF (Bad file descriptor) [pid 4047] <... socket resumed>) = 3 [pid 4046] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4045] close(23 [pid 4038] close(16) = -1 EBADF (Bad file descriptor) [pid 4038] close(17) = -1 EBADF (Bad file descriptor) [pid 4038] close(18 [pid 4047] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4046] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] close(19) = -1 EBADF (Bad file descriptor) [pid 4038] close(20 [pid 4047] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4046] <... bind resumed>) = 0 [pid 4045] close(24 [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4046] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] close(21) = -1 EBADF (Bad file descriptor) [pid 4038] close(22) = -1 EBADF (Bad file descriptor) [pid 4047] <... bind resumed>) = 0 [pid 4045] close(25 [pid 4038] close(23) = -1 EBADF (Bad file descriptor) [pid 4038] close(24) = -1 EBADF (Bad file descriptor) [pid 4038] close(25) = -1 EBADF (Bad file descriptor) [pid 4038] close(26) = -1 EBADF (Bad file descriptor) [pid 4038] close(27) = -1 EBADF (Bad file descriptor) [pid 4038] close(28) = -1 EBADF (Bad file descriptor) [pid 4038] close(29 [pid 4047] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4038] exit_group(0) = ? [pid 4045] close(26 [pid 4038] +++ exited with 0 +++ [pid 4045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4045] close(27) = -1 EBADF (Bad file descriptor) [pid 4045] close(28) = -1 EBADF (Bad file descriptor) [pid 4045] close(29) = -1 EBADF (Bad file descriptor) [pid 4045] exit_group(0) = ? [pid 4045] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./53/binderfs") = 0 [pid 3619] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./53/cgroup") = 0 [pid 3617] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./53/cgroup.net") = 0 [pid 3619] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./53/cgroup.cpu") = 0 [pid 3619] getdents64(3, [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./53") = 0 [pid 3619] mkdir("./54", 0777 [pid 3617] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4048 attached [pid 3617] <... openat resumed>) = 3 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 56 [pid 4048] chdir("./54" [pid 3617] fstat(3, [pid 4048] <... chdir resumed>) = 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] getdents64(3, [pid 4048] <... prctl resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4048] setpgid(0, 0 [pid 3617] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./48/binderfs") = 0 [pid 3617] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4048] <... setpgid resumed>) = 0 [pid 3617] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./48/cgroup" [pid 4048] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./48/cgroup.net", [pid 4048] <... symlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./48/cgroup.net" [pid 4048] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./48/cgroup.cpu", [pid 4048] <... symlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./48/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./48") = 0 [pid 3617] mkdir("./49", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4049 attached [pid 4049] chdir("./49" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 51 [pid 4049] <... chdir resumed>) = 0 [pid 4049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4049] setpgid(0, 0) = 0 [pid 4049] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4048] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4049] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4049] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4048] <... symlink resumed>) = 0 [pid 4049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4049] <... openat resumed>) = 3 [pid 4049] write(3, "1000", 4 [pid 4048] <... openat resumed>) = 3 [pid 4049] <... write resumed>) = 4 [pid 4049] close(3 [pid 4048] write(3, "1000", 4 [pid 4049] <... close resumed>) = 0 [pid 4048] <... write resumed>) = 4 [pid 4049] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4049] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4049] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4049] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4049] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4048] close(3) = 0 [pid 4048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4048] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4048] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4048] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4048] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4047] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 185.089157][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807adfdc00: rx timeout, send abort [ 185.097809][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806603f000: rx timeout, send abort [pid 4047] close(3 [pid 3616] kill(-56, SIGKILL [pid 4036] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 4036] +++ killed by SIGKILL +++ [pid 3616] kill(56, SIGKILL) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=56, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 4047] <... close resumed>) = 0 [pid 3616] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4047] close(4 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4047] close(5 [pid 3616] <... openat resumed>) = 3 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(6 [pid 3616] fstat(3, [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(7 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(8 [pid 3616] getdents64(3, [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./54/binderfs") = 0 [pid 3616] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 185.192025][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807adfdc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 185.206662][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806603f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] unlink("./54/cgroup" [pid 4047] close(9 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./54/cgroup.net") = 0 [pid 3616] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./54/cgroup.cpu") = 0 [pid 4047] close(10 [pid 3616] getdents64(3, [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4047] close(11 [pid 3616] close(3) = 0 [pid 3616] rmdir("./54") = 0 [pid 3616] mkdir("./55", 0777 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... mkdir resumed>) = 0 [pid 4047] close(12 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4050 attached [pid 4050] chdir("./55") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 57 [pid 4050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4048] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] setpgid(0, 0) = 0 [pid 4050] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4050] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4050] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4050] write(3, "1000", 4) = 4 [pid 4050] close(3) = 0 [pid 4050] symlink("/dev/binderfs", "./binderfs") = 0 [ 185.318784][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068bafc00: rx timeout, send abort [ 185.327206][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880168d8c00: rx timeout, send abort [ 185.345773][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068bafc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4050] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4050] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4050] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4048] close(3 [pid 4047] close(13 [pid 4048] <... close resumed>) = 0 [pid 4050] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4048] close(4 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(14 [pid 4048] close(5) = -1 EBADF (Bad file descriptor) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] close(6 [pid 4047] close(15 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 185.360304][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880168d8c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4048] close(7 [pid 4047] close(16 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] close(8 [pid 4047] close(17) = -1 EBADF (Bad file descriptor) [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(18 [pid 4048] close(9) = -1 EBADF (Bad file descriptor) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] close(10 [pid 4047] close(19 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] close(11 [pid 4047] close(20 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] close(12) = -1 EBADF (Bad file descriptor) [pid 4047] close(21 [pid 4048] close(13) = -1 EBADF (Bad file descriptor) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] close(14 [pid 4047] close(22 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] close(15 [pid 4047] close(23) = -1 EBADF (Bad file descriptor) [pid 4044] <... sendmsg resumed>) = 106496 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(24 [pid 4048] close(16 [pid 4044] close(3 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(25 [pid 4048] close(17 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(26 [pid 4048] close(18 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(27 [pid 4048] close(19 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(28) = -1 EBADF (Bad file descriptor) [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] close(29 [pid 4048] close(20 [pid 4047] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4048] close(21 [pid 4047] exit_group(0 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4047] <... exit_group resumed>) = ? [pid 4048] close(22) = -1 EBADF (Bad file descriptor) [pid 4047] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./59/binderfs") = 0 [pid 3618] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4048] close(23 [pid 3618] lstat("./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./59/cgroup" [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4048] close(24) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4048] close(25 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./59/cgroup.net") = 0 [pid 3618] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./59/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./59") = 0 [pid 3618] mkdir("./60", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4051 attached [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] chdir("./60" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 62 [pid 4051] <... chdir resumed>) = 0 [pid 4051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4048] close(26 [pid 4051] <... prctl resumed>) = 0 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] setpgid(0, 0) = 0 [pid 4051] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4051] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4051] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4048] close(27 [pid 4051] <... symlink resumed>) = 0 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4051] write(3, "1000", 4) = 4 [pid 4048] close(28 [pid 4051] close(3 [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = 0 [pid 4048] close(29 [pid 4051] symlink("/dev/binderfs", "./binderfs" [pid 4048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... symlink resumed>) = 0 [pid 4048] exit_group(0 [pid 4051] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4048] <... exit_group resumed>) = ? [pid 4051] <... socket resumed>) = 3 [pid 4051] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4051] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4048] +++ exited with 0 +++ [pid 4051] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./54/binderfs") = 0 [pid 3619] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./54/cgroup") = 0 [pid 3619] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./54/cgroup.net") = 0 [pid 3619] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./54/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./54") = 0 [pid 3619] mkdir("./55", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4052 attached , child_tidptr=0x555556f5d5d0) = 57 [pid 4052] chdir("./55") = 0 [pid 4052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4052] setpgid(0, 0) = 0 [pid 4052] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4052] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4052] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4052] write(3, "1000", 4) = 4 [pid 4052] close(3) = 0 [pid 4052] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4052] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4052] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4052] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4052] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4049] <... sendmsg resumed>) = 106496 [ 186.419894][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807990b000: rx timeout, send abort [pid 4049] close(3 [pid 4050] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4050] close(3) = 0 [pid 4050] close(4) = -1 EBADF (Bad file descriptor) [pid 4050] close(5) = -1 EBADF (Bad file descriptor) [pid 4050] close(6) = -1 EBADF (Bad file descriptor) [pid 4050] close(7) = -1 EBADF (Bad file descriptor) [pid 4050] close(8) = -1 EBADF (Bad file descriptor) [pid 4050] close(9) = -1 EBADF (Bad file descriptor) [pid 4050] close(10) = -1 EBADF (Bad file descriptor) [pid 4050] close(11) = -1 EBADF (Bad file descriptor) [pid 4050] close(12) = -1 EBADF (Bad file descriptor) [pid 4050] close(13) = -1 EBADF (Bad file descriptor) [pid 4050] close(14) = -1 EBADF (Bad file descriptor) [pid 4050] close(15) = -1 EBADF (Bad file descriptor) [pid 4050] close(16) = -1 EBADF (Bad file descriptor) [pid 4050] close(17) = -1 EBADF (Bad file descriptor) [pid 4050] close(18) = -1 EBADF (Bad file descriptor) [pid 4050] close(19) = -1 EBADF (Bad file descriptor) [pid 4050] close(20) = -1 EBADF (Bad file descriptor) [pid 4050] close(21) = -1 EBADF (Bad file descriptor) [pid 4050] close(22) = -1 EBADF (Bad file descriptor) [pid 4050] close(23) = -1 EBADF (Bad file descriptor) [pid 4050] close(24) = -1 EBADF (Bad file descriptor) [pid 4050] close(25) = -1 EBADF (Bad file descriptor) [pid 4050] close(26) = -1 EBADF (Bad file descriptor) [pid 4050] close(27) = -1 EBADF (Bad file descriptor) [pid 4050] close(28) = -1 EBADF (Bad file descriptor) [pid 4050] close(29) = -1 EBADF (Bad file descriptor) [pid 4050] exit_group(0) = ? [pid 4050] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./55/binderfs") = 0 [ 186.461853][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807982d400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 186.476302][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807982c000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./55/cgroup") = 0 [pid 3616] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./55/cgroup.net") = 0 [pid 3616] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./55/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./55") = 0 [pid 3616] mkdir("./56", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 58 ./strace-static-x86_64: Process 4053 attached [pid 4053] chdir("./56") = 0 [pid 4053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4053] setpgid(0, 0) = 0 [pid 4053] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4053] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4053] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4053] write(3, "1000", 4) = 4 [pid 4053] close(3) = 0 [pid 4053] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4053] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4053] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4053] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4053] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4052] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 186.937992][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807990b000: abort rx timeout. Force session deactivation [ 186.967746][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880765ae400: rx timeout, send abort [ 186.976186][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880765afc00: rx timeout, send abort [pid 4052] close(3) = 0 [pid 4052] close(4) = -1 EBADF (Bad file descriptor) [pid 4052] close(5) = -1 EBADF (Bad file descriptor) [pid 4052] close(6) = -1 EBADF (Bad file descriptor) [pid 4052] close(7) = -1 EBADF (Bad file descriptor) [pid 4052] close(8) = -1 EBADF (Bad file descriptor) [pid 4052] close(9) = -1 EBADF (Bad file descriptor) [pid 4052] close(10) = -1 EBADF (Bad file descriptor) [pid 4052] close(11) = -1 EBADF (Bad file descriptor) [pid 4052] close(12) = -1 EBADF (Bad file descriptor) [pid 4052] close(13) = -1 EBADF (Bad file descriptor) [pid 4052] close(14) = -1 EBADF (Bad file descriptor) [pid 4052] close(15) = -1 EBADF (Bad file descriptor) [pid 4052] close(16) = -1 EBADF (Bad file descriptor) [pid 4052] close(17) = -1 EBADF (Bad file descriptor) [pid 4052] close(18) = -1 EBADF (Bad file descriptor) [pid 4052] close(19) = -1 EBADF (Bad file descriptor) [pid 4052] close(20) = -1 EBADF (Bad file descriptor) [pid 4052] close(21) = -1 EBADF (Bad file descriptor) [pid 4052] close(22) = -1 EBADF (Bad file descriptor) [pid 4052] close(23) = -1 EBADF (Bad file descriptor) [pid 4052] close(24) = -1 EBADF (Bad file descriptor) [pid 4052] close(25) = -1 EBADF (Bad file descriptor) [pid 4052] close(26) = -1 EBADF (Bad file descriptor) [pid 4052] close(27) = -1 EBADF (Bad file descriptor) [pid 4052] close(28) = -1 EBADF (Bad file descriptor) [pid 4052] close(29) = -1 EBADF (Bad file descriptor) [pid 4052] exit_group(0) = ? [pid 4052] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4046] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4046] close(3 [pid 3619] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 187.017483][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880765ae400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 187.032024][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880765afc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 187.046681][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b178c00: rx timeout, send abort [ 187.055105][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807adfd800: rx timeout, send abort [pid 4046] <... close resumed>) = 0 [pid 3619] fstat(3, [pid 4046] close(4 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] close(5) = -1 EBADF (Bad file descriptor) [pid 4046] close(6 [pid 3619] getdents64(3, [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] close(7) = -1 EBADF (Bad file descriptor) [pid 4046] close(8) = -1 EBADF (Bad file descriptor) [pid 4046] close(9) = -1 EBADF (Bad file descriptor) [pid 4046] close(10) = -1 EBADF (Bad file descriptor) [pid 4046] close(11) = -1 EBADF (Bad file descriptor) [pid 4046] close(12 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] close(13) = -1 EBADF (Bad file descriptor) [pid 4046] close(14) = -1 EBADF (Bad file descriptor) [pid 4046] close(15) = -1 EBADF (Bad file descriptor) [pid 4046] close(16) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4046] close(17) = -1 EBADF (Bad file descriptor) [pid 4046] close(18) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4046] close(19) = -1 EBADF (Bad file descriptor) [pid 4046] close(20) = -1 EBADF (Bad file descriptor) [pid 4046] close(21) = -1 EBADF (Bad file descriptor) [ 187.073040][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b178c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 187.087529][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807adfd800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] lstat("./55/binderfs", [pid 4046] close(22 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4046] close(23) = -1 EBADF (Bad file descriptor) [pid 4046] close(24) = -1 EBADF (Bad file descriptor) [pid 4046] close(25) = -1 EBADF (Bad file descriptor) [pid 4046] close(26) = -1 EBADF (Bad file descriptor) [pid 4046] close(27) = -1 EBADF (Bad file descriptor) [pid 4046] close(28) = -1 EBADF (Bad file descriptor) [pid 4046] close(29) = -1 EBADF (Bad file descriptor) [pid 4046] exit_group(0) = ? [pid 4046] +++ exited with 0 +++ [pid 3619] unlink("./55/binderfs") = 0 [pid 3619] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3619] lstat("./55/cgroup", [pid 3613] <... restart_syscall resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./55/cgroup") = 0 [pid 3619] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./55/cgroup.net", [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] unlink("./55/cgroup.net" [pid 3613] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] fstat(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] lstat("./55/cgroup.cpu", [pid 3613] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] unlink("./55/cgroup.cpu" [pid 3613] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] getdents64(3, [pid 3613] lstat("./49/binderfs", [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] close(3 [pid 3613] unlink("./49/binderfs" [pid 3619] <... close resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3619] rmdir("./55") = 0 [pid 3613] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./56", 0777 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... mkdir resumed>) = 0 [pid 3613] lstat("./49/cgroup", [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 4054 attached [pid 3613] unlink("./49/cgroup" [pid 4054] chdir("./56") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 58 [pid 4054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... unlink resumed>) = 0 [pid 4054] <... prctl resumed>) = 0 [pid 4054] setpgid(0, 0) = 0 [pid 4054] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4054] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4054] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 3613] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4054] write(3, "1000", 4) = 4 [pid 3613] lstat("./49/cgroup.net", [pid 4054] close(3) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4054] symlink("/dev/binderfs", "./binderfs" [pid 3613] unlink("./49/cgroup.net" [pid 4054] <... symlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 4054] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4054] <... socket resumed>) = 3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4054] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4054] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4054] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./49/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./49") = 0 [pid 3613] mkdir("./50", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4055 attached , child_tidptr=0x555556f5d5d0) = 52 [pid 4055] chdir("./50") = 0 [pid 4055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4044] <... close resumed>) = 0 [pid 4055] <... prctl resumed>) = 0 [pid 4055] setpgid(0, 0) = 0 [pid 4055] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4055] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4055] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4055] write(3, "1000", 4) = 4 [pid 4055] close(3) = 0 [pid 4055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4055] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4055] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4055] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4044] close(4 [pid 4055] <... bind resumed>) = 0 [pid 4044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4044] close(5) = -1 EBADF (Bad file descriptor) [pid 4044] close(6) = -1 EBADF (Bad file descriptor) [pid 4044] close(7) = -1 EBADF (Bad file descriptor) [pid 4044] close(8) = -1 EBADF (Bad file descriptor) [pid 4044] close(9) = -1 EBADF (Bad file descriptor) [pid 4044] close(10) = -1 EBADF (Bad file descriptor) [pid 4044] close(11) = -1 EBADF (Bad file descriptor) [pid 4044] close(12) = -1 EBADF (Bad file descriptor) [pid 4044] close(13) = -1 EBADF (Bad file descriptor) [pid 4044] close(14) = -1 EBADF (Bad file descriptor) [pid 4044] close(15) = -1 EBADF (Bad file descriptor) [pid 4044] close(16) = -1 EBADF (Bad file descriptor) [pid 4044] close(17) = -1 EBADF (Bad file descriptor) [pid 4044] close(18) = -1 EBADF (Bad file descriptor) [pid 4044] close(19) = -1 EBADF (Bad file descriptor) [pid 4044] close(20) = -1 EBADF (Bad file descriptor) [pid 4044] close(21) = -1 EBADF (Bad file descriptor) [pid 4044] close(22) = -1 EBADF (Bad file descriptor) [pid 4044] close(23) = -1 EBADF (Bad file descriptor) [pid 4044] close(24) = -1 EBADF (Bad file descriptor) [pid 4044] close(25) = -1 EBADF (Bad file descriptor) [pid 4044] close(26) = -1 EBADF (Bad file descriptor) [pid 4044] close(27) = -1 EBADF (Bad file descriptor) [pid 4044] close(28) = -1 EBADF (Bad file descriptor) [pid 4044] close(29) = -1 EBADF (Bad file descriptor) [pid 4044] exit_group(0) = ? [pid 4044] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3620] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4053] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4053] close(3 [pid 3620] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [ 187.542605][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801c9a6c00: rx timeout, send abort [ 187.551052][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888025530800: rx timeout, send abort [ 187.577227][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801c9a6c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./54/binderfs", [pid 4053] <... close resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./54/binderfs") = 0 [pid 3620] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./54/cgroup" [pid 4053] close(4 [pid 3620] <... unlink resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./54/cgroup.net") = 0 [pid 3620] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4053] close(5 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./54/cgroup.cpu") = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4053] close(6 [pid 3620] close(3 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... close resumed>) = 0 [pid 4053] close(7 [pid 3620] rmdir("./54" [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... rmdir resumed>) = 0 [pid 3620] mkdir("./55", 0777 [pid 4053] close(8 [pid 3620] <... mkdir resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4053] close(9 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 57 ./strace-static-x86_64: Process 4056 attached [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] chdir("./55" [pid 4053] close(10 [pid 4056] <... chdir resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 187.591775][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888025530800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4053] close(11 [pid 4056] <... prctl resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] setpgid(0, 0 [pid 4053] close(12 [pid 4056] <... setpgid resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4053] close(13 [pid 4056] <... symlink resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4053] close(14) = -1 EBADF (Bad file descriptor) [pid 4053] close(15 [pid 4056] <... symlink resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4053] close(16) = -1 EBADF (Bad file descriptor) [pid 4056] <... symlink resumed>) = 0 [pid 4053] close(17 [pid 4056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] close(18) = -1 EBADF (Bad file descriptor) [pid 4053] close(19) = -1 EBADF (Bad file descriptor) [pid 4053] close(20 [pid 4056] <... openat resumed>) = 3 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] write(3, "1000", 4 [pid 4053] close(21 [pid 4056] <... write resumed>) = 4 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] close(3 [pid 4053] close(22 [pid 4056] <... close resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] symlink("/dev/binderfs", "./binderfs" [pid 4053] close(23 [pid 4056] <... symlink resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4053] close(24 [pid 4056] <... socket resumed>) = 3 [pid 4056] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4056] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4053] close(25 [pid 4056] <... bind resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4053] close(26) = -1 EBADF (Bad file descriptor) [pid 4053] close(27) = -1 EBADF (Bad file descriptor) [pid 4053] close(28) = -1 EBADF (Bad file descriptor) [pid 4053] close(29) = -1 EBADF (Bad file descriptor) [pid 4053] exit_group(0) = ? [pid 4053] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3616] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./56/binderfs") = 0 [pid 3616] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./56/cgroup") = 0 [pid 3616] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./56/cgroup.net") = 0 [pid 3616] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./56/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./56") = 0 [pid 3616] mkdir("./57", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 59 ./strace-static-x86_64: Process 4057 attached [pid 4057] chdir("./57") = 0 [pid 4057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4057] setpgid(0, 0) = 0 [pid 4057] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4057] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4057] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4057] write(3, "1000", 4) = 4 [pid 4057] close(3) = 0 [pid 4057] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4057] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4057] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4057] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4057] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4054] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4051] <... sendmsg resumed>) = 106496 [ 188.298640][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88814af12c00: rx timeout, send abort [ 188.307052][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888070444400: rx timeout, send abort [ 188.322132][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88814af12c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4054] close(3 [pid 4051] close(3 [pid 4054] <... close resumed>) = 0 [pid 4054] close(4) = -1 EBADF (Bad file descriptor) [pid 4054] close(5) = -1 EBADF (Bad file descriptor) [ 188.336649][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888070444400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4054] close(6) = -1 EBADF (Bad file descriptor) [pid 4054] close(7) = -1 EBADF (Bad file descriptor) [pid 4054] close(8) = -1 EBADF (Bad file descriptor) [pid 4054] close(9) = -1 EBADF (Bad file descriptor) [pid 4054] close(10) = -1 EBADF (Bad file descriptor) [pid 4054] close(11) = -1 EBADF (Bad file descriptor) [pid 4054] close(12) = -1 EBADF (Bad file descriptor) [pid 4054] close(13) = -1 EBADF (Bad file descriptor) [pid 4054] close(14) = -1 EBADF (Bad file descriptor) [pid 4054] close(15) = -1 EBADF (Bad file descriptor) [pid 4054] close(16) = -1 EBADF (Bad file descriptor) [pid 4054] close(17) = -1 EBADF (Bad file descriptor) [pid 4054] close(18) = -1 EBADF (Bad file descriptor) [pid 4054] close(19) = -1 EBADF (Bad file descriptor) [pid 4054] close(20) = -1 EBADF (Bad file descriptor) [pid 4054] close(21) = -1 EBADF (Bad file descriptor) [pid 4054] close(22) = -1 EBADF (Bad file descriptor) [pid 4054] close(23) = -1 EBADF (Bad file descriptor) [pid 4054] close(24) = -1 EBADF (Bad file descriptor) [pid 4054] close(25) = -1 EBADF (Bad file descriptor) [pid 4054] close(26) = -1 EBADF (Bad file descriptor) [pid 4054] close(27) = -1 EBADF (Bad file descriptor) [pid 4054] close(28) = -1 EBADF (Bad file descriptor) [pid 4056] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4054] close(29 [pid 4056] close(3 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 188.605879][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806bef0c00: rx timeout, send abort [ 188.614288][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806bef2c00: rx timeout, send abort [pid 4054] exit_group(0 [pid 4056] <... close resumed>) = 0 [pid 4054] <... exit_group resumed>) = ? [pid 4056] close(4 [pid 4054] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4056] close(5 [pid 3619] <... restart_syscall resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] close(6 [pid 3619] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] close(7) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4056] close(8) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4056] close(9 [pid 3619] fstat(3, [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] close(10 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4056] close(11 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] close(12) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] close(13) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./56/binderfs", [pid 4056] close(14) = -1 EBADF (Bad file descriptor) [pid 4056] close(15) = -1 EBADF (Bad file descriptor) [pid 4056] close(16 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] close(17) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./56/binderfs" [pid 4056] close(18) = -1 EBADF (Bad file descriptor) [ 188.658303][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bef0c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 188.672904][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bef2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4056] close(19) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4056] close(20 [pid 3619] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] close(21 [pid 3619] lstat("./56/cgroup", [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4056] close(22 [pid 3619] unlink("./56/cgroup" [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4056] close(23 [pid 3619] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] close(24 [pid 3619] lstat("./56/cgroup.net", [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4056] close(25) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./56/cgroup.net" [pid 4056] close(26 [pid 3619] <... unlink resumed>) = 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] close(27 [pid 3619] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4057] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4056] close(28 [pid 3619] lstat("./56/cgroup.cpu", [pid 4057] close(3 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4056] close(29 [pid 3619] unlink("./56/cgroup.cpu" [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] exit_group(0) = ? [pid 4056] +++ exited with 0 +++ [ 188.831061][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065ad9c00: rx timeout, send abort [ 188.839467][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880774f7000: rx timeout, send abort [ 188.853556][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065ad9c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4057] <... close resumed>) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... unlink resumed>) = 0 [pid 4057] close(4) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4057] close(5 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 4057] close(6 [pid 3619] <... close resumed>) = 0 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./56" [pid 4057] close(7 [pid 3620] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... rmdir resumed>) = 0 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] mkdir("./57", 0777 [pid 4057] close(8 [pid 3620] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... mkdir resumed>) = 0 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... openat resumed>) = 3 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4057] close(9 [pid 4049] <... close resumed>) = 0 [pid 3620] fstat(3, [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(4 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./55/binderfs" [pid 4057] close(10 [pid 4049] close(5 [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 59 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(6 [pid 4057] close(11 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(7 [pid 3620] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4057] close(12 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(8 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4058 attached [pid 4057] close(13 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./55/cgroup", [pid 4058] chdir("./57" [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(9 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4057] close(14 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./55/cgroup" [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(10 [pid 3620] <... unlink resumed>) = 0 [pid 4057] close(15 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(11 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4057] close(16 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./55/cgroup.net", [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(12 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4057] close(17 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./55/cgroup.net" [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(13 [pid 3620] <... unlink resumed>) = 0 [pid 4057] close(18 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4058] <... chdir resumed>) = 0 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(14 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4057] close(19 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./55/cgroup.cpu", [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(15 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4057] close(20 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./55/cgroup.cpu" [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 188.868120][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880774f7000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 188.883493][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065c1b400: rx timeout, send abort [ 188.891858][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065c1ac00: rx timeout, send abort [ 188.900689][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065c1b400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 188.915185][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065c1ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4049] close(16 [pid 3620] <... unlink resumed>) = 0 [pid 4057] close(21 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(17 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4057] close(22 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] close(3 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(18 [pid 3620] <... close resumed>) = 0 [pid 4058] <... prctl resumed>) = 0 [pid 4057] close(23 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] rmdir("./55" [pid 4058] setpgid(0, 0 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(19 [pid 4058] <... setpgid resumed>) = 0 [pid 4058] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4057] close(24 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... rmdir resumed>) = 0 [pid 4058] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4058] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4058] write(3, "1000", 4) = 4 [pid 4058] close(3) = 0 [pid 4058] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4058] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4058] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4058] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4058] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(20 [pid 4057] close(25 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] mkdir("./56", 0777 [pid 4049] close(21 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] close(26 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] close(22 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4057] close(27 [pid 4049] close(23 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... mkdir resumed>) = 0 [pid 4057] close(28 [pid 4049] close(24 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4059 attached [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4059] chdir("./56" [pid 4057] close(29 [pid 4049] close(25 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 58 [pid 4059] <... chdir resumed>) = 0 [pid 4057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4057] exit_group(0 [pid 4049] close(26 [pid 4059] <... prctl resumed>) = 0 [pid 4057] <... exit_group resumed>) = ? [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4059] setpgid(0, 0 [pid 4057] +++ exited with 0 +++ [pid 4049] close(27 [pid 4059] <... setpgid resumed>) = 0 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4059] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4049] close(28 [pid 4059] <... symlink resumed>) = 0 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4059] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4049] close(29 [pid 3616] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4059] <... symlink resumed>) = 0 [pid 4049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4049] exit_group(0 [pid 3616] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4059] <... symlink resumed>) = 0 [pid 4049] <... exit_group resumed>) = ? [pid 3616] <... openat resumed>) = 3 [pid 4059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4049] +++ exited with 0 +++ [pid 3616] fstat(3, [pid 4059] <... openat resumed>) = 3 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4059] write(3, "1000", 4 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3616] getdents64(3, [pid 4059] <... write resumed>) = 4 [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4059] close(3 [pid 3617] <... restart_syscall resumed>) = 0 [pid 3616] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4059] <... close resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] symlink("/dev/binderfs", "./binderfs" [pid 3616] lstat("./57/binderfs", [pid 4059] <... symlink resumed>) = 0 [pid 3617] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4059] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4055] <... sendmsg resumed>) = 106496 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] unlink("./57/binderfs" [pid 4059] <... socket resumed>) = 3 [pid 3617] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] <... unlink resumed>) = 0 [pid 4059] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4055] close(3 [pid 3617] <... openat resumed>) = 3 [pid 3616] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4059] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] fstat(3, [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] lstat("./57/cgroup", [pid 4059] <... bind resumed>) = 0 [pid 3617] getdents64(3, [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4059] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] unlink("./57/cgroup" [pid 3617] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] lstat("./49/binderfs", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] lstat("./57/cgroup.net", [pid 3617] unlink("./49/binderfs" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] unlink("./57/cgroup.net" [pid 3617] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] lstat("./49/cgroup", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] lstat("./57/cgroup.cpu", [pid 3617] unlink("./49/cgroup" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] unlink("./57/cgroup.cpu" [pid 3617] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] getdents64(3, [pid 3617] lstat("./49/cgroup.net", [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] close(3 [pid 3617] unlink("./49/cgroup.net" [pid 3616] <... close resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] rmdir("./57" [pid 3617] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... rmdir resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] mkdir("./58", 0777 [pid 3617] lstat("./49/cgroup.cpu", [pid 3616] <... mkdir resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4060 attached [pid 3617] unlink("./49/cgroup.cpu" [pid 4060] chdir("./58" [pid 3617] <... unlink resumed>) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 60 [pid 4060] <... chdir resumed>) = 0 [pid 3617] getdents64(3, [pid 4060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4060] <... prctl resumed>) = 0 [pid 3617] close(3 [pid 4060] setpgid(0, 0 [pid 3617] <... close resumed>) = 0 [pid 4060] <... setpgid resumed>) = 0 [pid 3617] rmdir("./49" [pid 4060] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3617] <... rmdir resumed>) = 0 [pid 4060] <... symlink resumed>) = 0 [pid 3617] mkdir("./50", 0777 [pid 4060] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3617] <... mkdir resumed>) = 0 [pid 4060] <... symlink resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4061 attached [pid 4060] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4061] chdir("./50" [pid 4060] <... symlink resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 52 [pid 4061] <... chdir resumed>) = 0 [pid 4060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4060] <... openat resumed>) = 3 [pid 4061] <... prctl resumed>) = 0 [pid 4060] write(3, "1000", 4 [pid 4061] setpgid(0, 0 [pid 4060] <... write resumed>) = 4 [pid 4061] <... setpgid resumed>) = 0 [pid 4060] close(3 [pid 4061] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4060] <... close resumed>) = 0 [pid 4061] <... symlink resumed>) = 0 [pid 4060] symlink("/dev/binderfs", "./binderfs" [pid 4061] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4060] <... symlink resumed>) = 0 [pid 4061] <... symlink resumed>) = 0 [pid 4060] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4061] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4060] <... socket resumed>) = 3 [pid 4061] <... symlink resumed>) = 0 [pid 4060] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4060] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4061] <... openat resumed>) = 3 [pid 4060] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4061] write(3, "1000", 4 [pid 4060] <... bind resumed>) = 0 [pid 4061] <... write resumed>) = 4 [pid 4060] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4061] close(3) = 0 [pid 4061] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4061] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4061] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4061] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4061] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EHOSTUNREACH (No route to host) [ 189.514766][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806940dc00: rx timeout, send abort [ 189.544918][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806940dc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4061] close(3) = 0 [pid 4061] close(4) = -1 EBADF (Bad file descriptor) [pid 4061] close(5) = -1 EBADF (Bad file descriptor) [pid 4061] close(6) = -1 EBADF (Bad file descriptor) [pid 4061] close(7) = -1 EBADF (Bad file descriptor) [pid 4061] close(8) = -1 EBADF (Bad file descriptor) [pid 4061] close(9) = -1 EBADF (Bad file descriptor) [pid 4061] close(10) = -1 EBADF (Bad file descriptor) [pid 4061] close(11) = -1 EBADF (Bad file descriptor) [pid 4061] close(12) = -1 EBADF (Bad file descriptor) [pid 4061] close(13) = -1 EBADF (Bad file descriptor) [pid 4061] close(14) = -1 EBADF (Bad file descriptor) [pid 4061] close(15) = -1 EBADF (Bad file descriptor) [pid 4061] close(16) = -1 EBADF (Bad file descriptor) [pid 4061] close(17) = -1 EBADF (Bad file descriptor) [pid 4061] close(18) = -1 EBADF (Bad file descriptor) [pid 4061] close(19) = -1 EBADF (Bad file descriptor) [pid 4061] close(20) = -1 EBADF (Bad file descriptor) [pid 4061] close(21) = -1 EBADF (Bad file descriptor) [pid 4061] close(22) = -1 EBADF (Bad file descriptor) [pid 4061] close(23) = -1 EBADF (Bad file descriptor) [pid 4061] close(24) = -1 EBADF (Bad file descriptor) [pid 4061] close(25) = -1 EBADF (Bad file descriptor) [pid 4061] close(26) = -1 EBADF (Bad file descriptor) [pid 4061] close(27) = -1 EBADF (Bad file descriptor) [pid 4061] close(28) = -1 EBADF (Bad file descriptor) [pid 4061] close(29) = -1 EBADF (Bad file descriptor) [pid 4061] exit_group(0) = ? [ 189.559534][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b179c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4061] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3617] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./50/binderfs") = 0 [pid 3617] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./50/cgroup") = 0 [pid 3617] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./50/cgroup.net") = 0 [pid 3617] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./50/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./50") = 0 [pid 3617] mkdir("./51", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4062 attached , child_tidptr=0x555556f5d5d0) = 53 [pid 4062] chdir("./51") = 0 [pid 4062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4062] setpgid(0, 0) = 0 [pid 4062] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4062] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4062] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4062] write(3, "1000", 4) = 4 [pid 4062] close(3) = 0 [pid 4062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4062] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4062] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4062] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4062] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4051] <... close resumed>) = 0 [pid 4058] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4051] close(4 [pid 4058] close(3 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = 0 [pid 4051] close(5 [pid 4058] close(4 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] close(6 [pid 4058] close(5 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] close(7 [pid 4058] close(6 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] close(8 [pid 4058] close(7 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] close(9 [pid 4058] close(8 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] close(10 [pid 4058] close(9 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] close(11 [pid 4058] close(10 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] close(12 [pid 4058] close(11) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(12 [pid 4051] close(13 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(13 [pid 4051] close(14 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(14 [pid 4051] close(15 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(15 [pid 4051] close(16 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(16 [pid 4051] close(17 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(17 [pid 4051] close(18 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(18 [pid 4051] close(19 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(19 [pid 4051] close(20 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(20 [pid 4051] close(21 [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(21 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] close(22) = -1 EBADF (Bad file descriptor) [pid 4051] close(22 [pid 4058] close(23) = -1 EBADF (Bad file descriptor) [pid 4058] close(24) = -1 EBADF (Bad file descriptor) [pid 4058] close(25) = -1 EBADF (Bad file descriptor) [pid 4058] close(26) = -1 EBADF (Bad file descriptor) [pid 4058] close(27) = -1 EBADF (Bad file descriptor) [pid 4058] close(28) = -1 EBADF (Bad file descriptor) [pid 4058] close(29) = -1 EBADF (Bad file descriptor) [pid 4058] exit_group(0 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4058] <... exit_group resumed>) = ? [ 189.954890][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807abe3c00: rx timeout, send abort [ 189.963321][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880218b7c00: rx timeout, send abort [ 189.972088][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807abe3c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 189.986591][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880218b7c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4058] +++ exited with 0 +++ [pid 4051] close(23 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./57/binderfs") = 0 [pid 3619] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./57/cgroup") = 0 [pid 3619] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./57/cgroup.net") = 0 [pid 3619] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./57/cgroup.cpu" [pid 4051] close(24 [pid 3619] <... unlink resumed>) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./57") = 0 [pid 3619] mkdir("./58", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4063 attached [pid 4063] chdir("./58" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 60 [pid 4063] <... chdir resumed>) = 0 [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4051] close(25 [pid 4063] <... prctl resumed>) = 0 [pid 4063] setpgid(0, 0) = 0 [pid 4063] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4063] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4063] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4063] write(3, "1000", 4) = 4 [pid 4063] close(3) = 0 [pid 4063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4063] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4063] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4063] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4063] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4060] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4060] close(3 [pid 4051] close(26) = -1 EBADF (Bad file descriptor) [pid 4051] close(27) = -1 EBADF (Bad file descriptor) [ 190.085003][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806940d800: rx timeout, send abort [ 190.093455][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b17a000: rx timeout, send abort [pid 4051] close(28) = -1 EBADF (Bad file descriptor) [pid 4060] <... close resumed>) = 0 [pid 4059] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4051] close(29 [pid 4060] close(4 [pid 4059] close(3 [pid 4060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4060] close(5) = -1 EBADF (Bad file descriptor) [pid 4051] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4060] close(6) = -1 EBADF (Bad file descriptor) [pid 4060] close(7) = -1 EBADF (Bad file descriptor) [pid 4060] close(8) = -1 EBADF (Bad file descriptor) [pid 4060] close(9) = -1 EBADF (Bad file descriptor) [pid 4060] close(10) = -1 EBADF (Bad file descriptor) [pid 4060] close(11) = -1 EBADF (Bad file descriptor) [pid 4060] close(12) = -1 EBADF (Bad file descriptor) [pid 4060] close(13) = -1 EBADF (Bad file descriptor) [pid 4060] close(14) = -1 EBADF (Bad file descriptor) [pid 4060] close(15) = -1 EBADF (Bad file descriptor) [pid 4060] close(16) = -1 EBADF (Bad file descriptor) [pid 4060] close(17) = -1 EBADF (Bad file descriptor) [pid 4060] close(18) = -1 EBADF (Bad file descriptor) [pid 4060] close(19) = -1 EBADF (Bad file descriptor) [pid 4060] close(20) = -1 EBADF (Bad file descriptor) [pid 4060] close(21) = -1 EBADF (Bad file descriptor) [pid 4060] close(22) = -1 EBADF (Bad file descriptor) [pid 4060] close(23 [ 190.143675][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806940d800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 190.158316][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b17a000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 190.172970][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806940d400: rx timeout, send abort [ 190.181348][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b17a400: rx timeout, send abort [pid 4051] exit_group(0 [pid 4060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4051] <... exit_group resumed>) = ? [pid 4060] close(24) = -1 EBADF (Bad file descriptor) [pid 4060] close(25) = -1 EBADF (Bad file descriptor) [pid 4060] close(26) = -1 EBADF (Bad file descriptor) [pid 4060] close(27) = -1 EBADF (Bad file descriptor) [pid 4060] close(28) = -1 EBADF (Bad file descriptor) [pid 4060] close(29) = -1 EBADF (Bad file descriptor) [pid 4060] exit_group(0) = ? [pid 4060] +++ exited with 0 +++ [pid 4051] +++ exited with 0 +++ [pid 4059] <... close resumed>) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3618] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./60/binderfs") = 0 [pid 3618] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./60/cgroup") = 0 [pid 3618] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4059] close(4 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4059] close(5 [pid 3618] lstat("./60/cgroup.net", [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4059] close(6 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4059] close(7 [pid 3618] unlink("./60/cgroup.net" [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3616] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4059] close(8) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] close(9 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./60/cgroup.cpu", [pid 4059] close(10 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./60/cgroup.cpu" [pid 4059] close(11 [pid 3618] <... unlink resumed>) = 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4059] close(12 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] close(3 [pid 4059] close(13 [pid 3618] <... close resumed>) = 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] rmdir("./60" [pid 4059] close(14 [pid 3618] <... rmdir resumed>) = 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] mkdir("./61", 0777 [pid 4059] close(15 [pid 3618] <... mkdir resumed>) = 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4064 attached [pid 4059] close(16 [pid 4064] chdir("./61" [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... chdir resumed>) = 0 [pid 4059] close(17 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 63 [pid 4064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... prctl resumed>) = 0 [pid 4059] close(18 [pid 4064] setpgid(0, 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... setpgid resumed>) = 0 [pid 4059] close(19 [pid 4064] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... symlink resumed>) = 0 [pid 4059] close(20 [pid 3616] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4064] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 190.210489][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806940d400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 190.225113][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b17a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4064] <... symlink resumed>) = 0 [pid 4059] close(21 [pid 3616] <... openat resumed>) = 3 [pid 4064] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... symlink resumed>) = 0 [pid 4059] close(22 [pid 4064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... openat resumed>) = 3 [pid 4059] close(23 [pid 4064] write(3, "1000", 4 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... write resumed>) = 4 [pid 4059] close(24 [pid 4064] close(3 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... close resumed>) = 0 [pid 4059] close(25 [pid 4064] symlink("/dev/binderfs", "./binderfs" [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... symlink resumed>) = 0 [pid 4059] close(26 [pid 4064] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... socket resumed>) = 3 [pid 4059] close(27 [pid 4064] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4059] close(28 [pid 4064] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... bind resumed>) = 0 [pid 4059] close(29 [pid 4064] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4059] exit_group(0) = ? [pid 4059] +++ exited with 0 +++ [pid 3616] fstat(3, [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] lstat("./58/binderfs", [pid 3620] <... openat resumed>) = 3 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] fstat(3, [pid 3616] unlink("./58/binderfs" [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 3616] <... unlink resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./56/binderfs", [pid 3616] lstat("./58/cgroup", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./56/binderfs" [pid 3616] unlink("./58/cgroup" [pid 3620] <... unlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./58/cgroup.net", [pid 3620] lstat("./56/cgroup", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./58/cgroup.net" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./56/cgroup" [pid 3616] <... unlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3616] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./58/cgroup.cpu", [pid 3620] lstat("./56/cgroup.net", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./56/cgroup.net" [pid 3616] unlink("./58/cgroup.cpu" [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./56/cgroup.cpu", [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] close(3 [pid 3620] unlink("./56/cgroup.cpu" [pid 3616] <... close resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3616] rmdir("./58" [pid 3620] getdents64(3, [pid 3616] <... rmdir resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] mkdir("./59", 0777 [pid 3620] close(3 [pid 3616] <... mkdir resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3620] rmdir("./56" [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4065 attached [pid 3620] <... rmdir resumed>) = 0 [pid 4065] chdir("./59" [pid 3620] mkdir("./57", 0777 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 61 [pid 4065] <... chdir resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 4065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4065] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 4066 attached [pid 4065] setpgid(0, 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 59 [pid 4066] chdir("./57" [pid 4065] <... setpgid resumed>) = 0 [pid 4066] <... chdir resumed>) = 0 [pid 4065] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4065] <... symlink resumed>) = 0 [pid 4066] <... prctl resumed>) = 0 [pid 4065] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4066] setpgid(0, 0 [pid 4065] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4066] <... setpgid resumed>) = 0 [pid 4065] <... symlink resumed>) = 0 [pid 4065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4066] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4065] <... openat resumed>) = 3 [pid 4066] <... symlink resumed>) = 0 [pid 4065] write(3, "1000", 4 [pid 4066] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4065] <... write resumed>) = 4 [pid 4066] <... symlink resumed>) = 0 [pid 4065] close(3 [pid 4066] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4065] <... close resumed>) = 0 [pid 4066] <... symlink resumed>) = 0 [pid 4065] symlink("/dev/binderfs", "./binderfs" [pid 4066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4065] <... symlink resumed>) = 0 [pid 4066] <... openat resumed>) = 3 [pid 4065] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4066] write(3, "1000", 4 [pid 4065] <... socket resumed>) = 3 [pid 4066] <... write resumed>) = 4 [pid 4065] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4066] close(3 [pid 4065] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4066] <... close resumed>) = 0 [pid 4065] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4066] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4065] <... bind resumed>) = 0 [pid 4066] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4065] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4066] <... socket resumed>) = 3 [pid 4066] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4066] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4066] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4062] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 190.790134][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807a38cc00: rx timeout, send abort [ 190.798728][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888074fd4000: rx timeout, send abort [pid 4062] close(3 [pid 4055] <... close resumed>) = 0 [pid 4062] <... close resumed>) = 0 [pid 4062] close(4) = -1 EBADF (Bad file descriptor) [pid 4062] close(5) = -1 EBADF (Bad file descriptor) [pid 4062] close(6) = -1 EBADF (Bad file descriptor) [pid 4062] close(7) = -1 EBADF (Bad file descriptor) [pid 4062] close(8) = -1 EBADF (Bad file descriptor) [pid 4062] close(9) = -1 EBADF (Bad file descriptor) [pid 4062] close(10 [pid 4055] close(4 [pid 4062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(11 [pid 4055] close(5 [pid 4062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(12) = -1 EBADF (Bad file descriptor) [pid 4062] close(13) = -1 EBADF (Bad file descriptor) [pid 4062] close(14) = -1 EBADF (Bad file descriptor) [pid 4062] close(15) = -1 EBADF (Bad file descriptor) [pid 4062] close(16) = -1 EBADF (Bad file descriptor) [pid 4062] close(17) = -1 EBADF (Bad file descriptor) [pid 4062] close(18) = -1 EBADF (Bad file descriptor) [pid 4062] close(19) = -1 EBADF (Bad file descriptor) [pid 4062] close(20) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(21 [pid 4055] close(6 [pid 4062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(22 [pid 4055] close(7 [pid 4062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(23 [pid 4055] close(8 [pid 4062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4062] close(24) = -1 EBADF (Bad file descriptor) [pid 4062] close(25) = -1 EBADF (Bad file descriptor) [pid 4062] close(26) = -1 EBADF (Bad file descriptor) [pid 4062] close(27) = -1 EBADF (Bad file descriptor) [pid 4062] close(28) = -1 EBADF (Bad file descriptor) [pid 4062] close(29) = -1 EBADF (Bad file descriptor) [pid 4062] exit_group(0) = ? [pid 4062] +++ exited with 0 +++ [ 190.827269][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a38cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 190.841822][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074fd4000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4055] close(9) = -1 EBADF (Bad file descriptor) [pid 4055] close(10) = -1 EBADF (Bad file descriptor) [pid 4055] close(11) = -1 EBADF (Bad file descriptor) [pid 4055] close(12) = -1 EBADF (Bad file descriptor) [pid 4055] close(13) = -1 EBADF (Bad file descriptor) [pid 4055] close(14) = -1 EBADF (Bad file descriptor) [pid 4055] close(15 [pid 3617] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4055] close(16 [pid 3617] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] close(17 [pid 3617] <... openat resumed>) = 3 [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] fstat(3, [pid 4055] close(18) = -1 EBADF (Bad file descriptor) [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4055] close(19 [pid 3617] getdents64(3, [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] close(20 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4055] close(21) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4055] close(22 [pid 3617] lstat("./51/binderfs", [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] close(23 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./51/binderfs" [pid 4055] close(24 [pid 3617] <... unlink resumed>) = 0 [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4055] close(25) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4055] close(26 [pid 3617] lstat("./51/cgroup", [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] close(27 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./51/cgroup") = 0 [pid 4055] close(28) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4055] close(29 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./51/cgroup.net", [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] exit_group(0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4055] <... exit_group resumed>) = ? [pid 3617] unlink("./51/cgroup.net" [pid 4055] +++ exited with 0 +++ [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./51/cgroup.cpu", [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] unlink("./51/cgroup.cpu" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3613] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3617] close(3 [pid 3613] fstat(3, [pid 3617] <... close resumed>) = 0 [pid 3617] rmdir("./51" [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] <... rmdir resumed>) = 0 [pid 3613] getdents64(3, [pid 3617] mkdir("./52", 0777 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... mkdir resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4067 attached [pid 3613] lstat("./50/binderfs", [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 54 [pid 4067] chdir("./52" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4067] <... chdir resumed>) = 0 [pid 3613] unlink("./50/binderfs" [pid 4067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./50/cgroup") = 0 [pid 4067] <... prctl resumed>) = 0 [pid 3613] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4067] setpgid(0, 0) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4067] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3613] lstat("./50/cgroup.net", [pid 4067] <... symlink resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4067] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3613] unlink("./50/cgroup.net" [pid 4067] <... symlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 4067] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3613] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] lstat("./50/cgroup.cpu", [pid 4067] <... openat resumed>) = 3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4067] write(3, "1000", 4 [pid 3613] unlink("./50/cgroup.cpu" [pid 4067] <... write resumed>) = 4 [pid 4067] close(3 [pid 3613] <... unlink resumed>) = 0 [pid 4067] <... close resumed>) = 0 [pid 3613] getdents64(3, [pid 4067] symlink("/dev/binderfs", "./binderfs" [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4067] <... symlink resumed>) = 0 [pid 3613] close(3 [pid 4067] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] <... close resumed>) = 0 [pid 4067] <... socket resumed>) = 3 [pid 4067] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] rmdir("./50" [pid 4067] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4067] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] <... rmdir resumed>) = 0 [pid 4067] <... bind resumed>) = 0 [pid 3613] mkdir("./51", 0777 [pid 4067] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... mkdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4064] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4064] close(3./strace-static-x86_64: Process 4068 attached [pid 4068] chdir("./51" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 53 [pid 4068] <... chdir resumed>) = 0 [pid 4068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4068] setpgid(0, 0) = 0 [pid 4068] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [ 191.185732][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880219bd000: rx timeout, send abort [ 191.194210][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806ec6c400: rx timeout, send abort [pid 4068] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4068] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4064] <... close resumed>) = 0 [pid 4064] close(4) = -1 EBADF (Bad file descriptor) [pid 4064] close(5) = -1 EBADF (Bad file descriptor) [pid 4064] close(6) = -1 EBADF (Bad file descriptor) [pid 4064] close(7) = -1 EBADF (Bad file descriptor) [pid 4064] close(8) = -1 EBADF (Bad file descriptor) [pid 4068] <... symlink resumed>) = 0 [pid 4064] close(9) = -1 EBADF (Bad file descriptor) [pid 4064] close(10) = -1 EBADF (Bad file descriptor) [pid 4064] close(11) = -1 EBADF (Bad file descriptor) [pid 4068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4064] close(12 [pid 4068] <... openat resumed>) = 3 [pid 4064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] close(13) = -1 EBADF (Bad file descriptor) [pid 4064] close(14) = -1 EBADF (Bad file descriptor) [pid 4068] write(3, "1000", 4 [pid 4064] close(15 [pid 4068] <... write resumed>) = 4 [pid 4064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] close(3 [pid 4064] close(16 [pid 4068] <... close resumed>) = 0 [pid 4064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] symlink("/dev/binderfs", "./binderfs" [pid 4064] close(17 [pid 4068] <... symlink resumed>) = 0 [pid 4064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4064] close(18 [pid 4068] <... socket resumed>) = 3 [pid 4064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4064] close(19 [pid 4068] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4064] close(20 [pid 4068] <... bind resumed>) = 0 [pid 4064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4068] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4064] close(21) = -1 EBADF (Bad file descriptor) [pid 4064] close(22) = -1 EBADF (Bad file descriptor) [pid 4064] close(23) = -1 EBADF (Bad file descriptor) [pid 4064] close(24) = -1 EBADF (Bad file descriptor) [pid 4064] close(25) = -1 EBADF (Bad file descriptor) [pid 4064] close(26) = -1 EBADF (Bad file descriptor) [pid 4064] close(27) = -1 EBADF (Bad file descriptor) [pid 4064] close(28) = -1 EBADF (Bad file descriptor) [pid 4064] close(29) = -1 EBADF (Bad file descriptor) [pid 4064] exit_group(0) = ? [pid 4064] +++ exited with 0 +++ [ 191.224150][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880219bd000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 191.238752][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ec6c400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./61/binderfs") = 0 [pid 3618] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./61/cgroup") = 0 [pid 3618] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./61/cgroup.net") = 0 [pid 3618] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./61/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./61") = 0 [pid 3618] mkdir("./62", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4069 attached [pid 4069] chdir("./62") = 0 [pid 4069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4069] setpgid(0, 0) = 0 [pid 4069] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 64 [pid 4069] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4069] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4069] write(3, "1000", 4) = 4 [pid 4069] close(3) = 0 [pid 4069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4069] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4069] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4069] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4069] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4063] <... sendmsg resumed>) = 106496 [pid 4063] close(3 [pid 4066] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 191.585210][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801cd8b800: rx timeout, send abort [ 191.593626][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801cd8a400: rx timeout, send abort [pid 4066] close(3) = 0 [ 191.697724][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801cd8b800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 191.712269][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801cd8a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4066] close(4) = -1 EBADF (Bad file descriptor) [pid 4066] close(5) = -1 EBADF (Bad file descriptor) [pid 4066] close(6) = -1 EBADF (Bad file descriptor) [pid 4066] close(7) = -1 EBADF (Bad file descriptor) [pid 4066] close(8) = -1 EBADF (Bad file descriptor) [pid 4066] close(9) = -1 EBADF (Bad file descriptor) [pid 4066] close(10) = -1 EBADF (Bad file descriptor) [pid 4066] close(11) = -1 EBADF (Bad file descriptor) [pid 4066] close(12) = -1 EBADF (Bad file descriptor) [pid 4066] close(13) = -1 EBADF (Bad file descriptor) [pid 4066] close(14) = -1 EBADF (Bad file descriptor) [pid 4066] close(15) = -1 EBADF (Bad file descriptor) [pid 4066] close(16) = -1 EBADF (Bad file descriptor) [pid 4066] close(17) = -1 EBADF (Bad file descriptor) [pid 4066] close(18) = -1 EBADF (Bad file descriptor) [pid 4066] close(19) = -1 EBADF (Bad file descriptor) [pid 4066] close(20) = -1 EBADF (Bad file descriptor) [pid 4066] close(21) = -1 EBADF (Bad file descriptor) [pid 4066] close(22) = -1 EBADF (Bad file descriptor) [pid 4066] close(23) = -1 EBADF (Bad file descriptor) [pid 4066] close(24) = -1 EBADF (Bad file descriptor) [pid 4066] close(25) = -1 EBADF (Bad file descriptor) [pid 4066] close(26) = -1 EBADF (Bad file descriptor) [pid 4066] close(27) = -1 EBADF (Bad file descriptor) [pid 4066] close(28) = -1 EBADF (Bad file descriptor) [pid 4066] close(29) = -1 EBADF (Bad file descriptor) [pid 4066] exit_group(0) = ? [pid 4066] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./57/binderfs") = 0 [pid 3620] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./57/cgroup") = 0 [pid 3620] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./57/cgroup.net") = 0 [pid 3620] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./57/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./57") = 0 [pid 3620] mkdir("./58", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4070 attached [pid 4070] chdir("./58" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 60 [pid 4070] <... chdir resumed>) = 0 [pid 4070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4070] setpgid(0, 0) = 0 [pid 4070] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4070] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4070] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4070] write(3, "1000", 4) = 4 [pid 4070] close(3) = 0 [pid 4070] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4070] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4070] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4070] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 192.117209][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888023577800: rx timeout, send abort [ 192.125697][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065b1d000: rx timeout, send abort [ 192.139523][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888023577800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4070] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4067] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4067] close(3) = 0 [pid 4067] close(4) = -1 EBADF (Bad file descriptor) [pid 4067] close(5) = -1 EBADF (Bad file descriptor) [pid 4067] close(6) = -1 EBADF (Bad file descriptor) [ 192.154072][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065b1d000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4067] close(7) = -1 EBADF (Bad file descriptor) [pid 4067] close(8) = -1 EBADF (Bad file descriptor) [pid 4067] close(9) = -1 EBADF (Bad file descriptor) [pid 4067] close(10) = -1 EBADF (Bad file descriptor) [pid 4067] close(11) = -1 EBADF (Bad file descriptor) [pid 4067] close(12) = -1 EBADF (Bad file descriptor) [pid 4067] close(13) = -1 EBADF (Bad file descriptor) [pid 4067] close(14) = -1 EBADF (Bad file descriptor) [pid 4067] close(15) = -1 EBADF (Bad file descriptor) [pid 4067] close(16) = -1 EBADF (Bad file descriptor) [pid 4067] close(17) = -1 EBADF (Bad file descriptor) [pid 4067] close(18) = -1 EBADF (Bad file descriptor) [pid 4067] close(19) = -1 EBADF (Bad file descriptor) [pid 4067] close(20) = -1 EBADF (Bad file descriptor) [pid 4067] close(21) = -1 EBADF (Bad file descriptor) [pid 4067] close(22) = -1 EBADF (Bad file descriptor) [pid 4067] close(23) = -1 EBADF (Bad file descriptor) [pid 4067] close(24) = -1 EBADF (Bad file descriptor) [pid 4067] close(25) = -1 EBADF (Bad file descriptor) [pid 4067] close(26) = -1 EBADF (Bad file descriptor) [pid 4067] close(27) = -1 EBADF (Bad file descriptor) [pid 4067] close(28) = -1 EBADF (Bad file descriptor) [pid 4067] close(29) = -1 EBADF (Bad file descriptor) [pid 4067] exit_group(0) = ? [pid 4067] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./52/binderfs") = 0 [pid 3617] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./52/cgroup") = 0 [pid 3617] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./52/cgroup.net") = 0 [pid 3617] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./52/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./52") = 0 [pid 3617] mkdir("./53", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4071 attached [pid 4071] chdir("./53" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 55 [pid 4071] <... chdir resumed>) = 0 [pid 4071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4071] setpgid(0, 0) = 0 [pid 4071] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4071] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4071] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4071] write(3, "1000", 4) = 4 [pid 4071] close(3) = 0 [pid 4071] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4071] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4071] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4071] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4071] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4069] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 192.423776][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880695a4c00: rx timeout, send abort [ 192.432203][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d3f8000: rx timeout, send abort [pid 4069] close(3) = 0 [pid 4069] close(4) = -1 EBADF (Bad file descriptor) [pid 4069] close(5) = -1 EBADF (Bad file descriptor) [pid 4069] close(6) = -1 EBADF (Bad file descriptor) [pid 4069] close(7) = -1 EBADF (Bad file descriptor) [pid 4069] close(8) = -1 EBADF (Bad file descriptor) [pid 4069] close(9) = -1 EBADF (Bad file descriptor) [pid 4069] close(10) = -1 EBADF (Bad file descriptor) [pid 4069] close(11) = -1 EBADF (Bad file descriptor) [pid 4069] close(12) = -1 EBADF (Bad file descriptor) [ 192.516807][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880695a4c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 192.531474][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d3f8000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4069] close(13) = -1 EBADF (Bad file descriptor) [pid 4069] close(14) = -1 EBADF (Bad file descriptor) [pid 4069] close(15) = -1 EBADF (Bad file descriptor) [pid 4069] close(16) = -1 EBADF (Bad file descriptor) [pid 4069] close(17) = -1 EBADF (Bad file descriptor) [pid 4069] close(18) = -1 EBADF (Bad file descriptor) [pid 4069] close(19) = -1 EBADF (Bad file descriptor) [pid 4069] close(20) = -1 EBADF (Bad file descriptor) [pid 4069] close(21) = -1 EBADF (Bad file descriptor) [pid 4069] close(22) = -1 EBADF (Bad file descriptor) [pid 4069] close(23) = -1 EBADF (Bad file descriptor) [pid 4069] close(24) = -1 EBADF (Bad file descriptor) [pid 4069] close(25) = -1 EBADF (Bad file descriptor) [pid 4069] close(26) = -1 EBADF (Bad file descriptor) [pid 4069] close(27) = -1 EBADF (Bad file descriptor) [pid 4069] close(28) = -1 EBADF (Bad file descriptor) [pid 4069] close(29) = -1 EBADF (Bad file descriptor) [pid 4069] exit_group(0) = ? [pid 4069] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./62/binderfs") = 0 [pid 3618] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./62/cgroup") = 0 [pid 3618] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./62/cgroup.net") = 0 [pid 3618] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./62/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./62" [pid 4063] <... close resumed>) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 4063] close(4 [pid 3618] mkdir("./63", 0777 [pid 4063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4063] close(5 [pid 3618] <... mkdir resumed>) = 0 [pid 4063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4063] close(6) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4072 attached [pid 4063] close(7 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 65 [pid 4063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] chdir("./63" [pid 4063] close(8) = -1 EBADF (Bad file descriptor) [pid 4063] close(9) = -1 EBADF (Bad file descriptor) [pid 4063] close(10 [pid 4072] <... chdir resumed>) = 0 [pid 4063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4063] close(11) = -1 EBADF (Bad file descriptor) [pid 4063] close(12) = -1 EBADF (Bad file descriptor) [pid 4063] close(13) = -1 EBADF (Bad file descriptor) [pid 4063] close(14) = -1 EBADF (Bad file descriptor) [pid 4063] close(15 [pid 4072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4063] close(16) = -1 EBADF (Bad file descriptor) [pid 4063] close(17 [pid 4072] <... prctl resumed>) = 0 [pid 4063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4063] close(18) = -1 EBADF (Bad file descriptor) [pid 4063] close(19 [pid 4072] setpgid(0, 0 [pid 4063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4063] close(20) = -1 EBADF (Bad file descriptor) [pid 4063] close(21) = -1 EBADF (Bad file descriptor) [pid 4063] close(22) = -1 EBADF (Bad file descriptor) [pid 4063] close(23) = -1 EBADF (Bad file descriptor) [pid 4063] close(24) = -1 EBADF (Bad file descriptor) [pid 4063] close(25) = -1 EBADF (Bad file descriptor) [pid 4063] close(26) = -1 EBADF (Bad file descriptor) [pid 4063] close(27) = -1 EBADF (Bad file descriptor) [pid 4063] close(28) = -1 EBADF (Bad file descriptor) [pid 4063] close(29 [pid 4072] <... setpgid resumed>) = 0 [pid 4063] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4063] exit_group(0) = ? [pid 4072] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4063] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, [pid 4072] <... symlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4072] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./58/binderfs") = 0 [pid 3619] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4072] <... symlink resumed>) = 0 [pid 3619] unlink("./58/cgroup") = 0 [pid 3619] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4072] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3619] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./58/cgroup.net") = 0 [pid 4072] <... symlink resumed>) = 0 [pid 3619] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4072] <... openat resumed>) = 3 [pid 3619] lstat("./58/cgroup.cpu", [pid 4072] write(3, "1000", 4 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4072] <... write resumed>) = 4 [pid 3619] unlink("./58/cgroup.cpu" [pid 4072] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4072] <... close resumed>) = 0 [pid 3619] close(3 [pid 4072] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... close resumed>) = 0 [pid 4072] <... symlink resumed>) = 0 [pid 3619] rmdir("./58") = 0 [pid 3619] mkdir("./59", 0777 [pid 4072] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4073 attached [pid 4073] chdir("./59" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 61 [pid 4073] <... chdir resumed>) = 0 [pid 4073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4073] setpgid(0, 0) = 0 [pid 4073] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4072] <... socket resumed>) = 3 [pid 4073] <... symlink resumed>) = 0 [pid 4073] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4072] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4073] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4072] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4073] write(3, "1000", 4) = 4 [pid 4073] close(3 [pid 4072] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4073] <... close resumed>) = 0 [pid 4073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4072] <... bind resumed>) = 0 [pid 4073] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4073] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4073] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4073] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4072] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4071] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 193.425959][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b771800: rx timeout, send abort [ 193.434367][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f3a3000: rx timeout, send abort [pid 4071] close(3) = 0 [pid 4071] close(4) = -1 EBADF (Bad file descriptor) [pid 4071] close(5) = -1 EBADF (Bad file descriptor) [pid 4065] <... sendmsg resumed>) = 106496 [pid 4071] close(6) = -1 EBADF (Bad file descriptor) [ 193.514510][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b771800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 193.529064][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f3a3000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4065] close(3 [pid 4071] close(7) = -1 EBADF (Bad file descriptor) [pid 4071] close(8) = -1 EBADF (Bad file descriptor) [pid 4071] close(9) = -1 EBADF (Bad file descriptor) [pid 4071] close(10) = -1 EBADF (Bad file descriptor) [pid 4071] close(11) = -1 EBADF (Bad file descriptor) [pid 4071] close(12) = -1 EBADF (Bad file descriptor) [pid 4071] close(13) = -1 EBADF (Bad file descriptor) [pid 4071] close(14) = -1 EBADF (Bad file descriptor) [pid 4071] close(15) = -1 EBADF (Bad file descriptor) [pid 4071] close(16) = -1 EBADF (Bad file descriptor) [pid 4071] close(17) = -1 EBADF (Bad file descriptor) [pid 4071] close(18) = -1 EBADF (Bad file descriptor) [pid 4071] close(19) = -1 EBADF (Bad file descriptor) [pid 4071] close(20) = -1 EBADF (Bad file descriptor) [pid 4071] close(21) = -1 EBADF (Bad file descriptor) [pid 4071] close(22) = -1 EBADF (Bad file descriptor) [pid 4071] close(23) = -1 EBADF (Bad file descriptor) [pid 4071] close(24) = -1 EBADF (Bad file descriptor) [pid 4071] close(25) = -1 EBADF (Bad file descriptor) [pid 4071] close(26) = -1 EBADF (Bad file descriptor) [pid 4071] close(27) = -1 EBADF (Bad file descriptor) [pid 4071] close(28) = -1 EBADF (Bad file descriptor) [pid 4071] close(29) = -1 EBADF (Bad file descriptor) [pid 4071] exit_group(0) = ? [pid 4071] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./53/binderfs") = 0 [pid 3617] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./53/cgroup") = 0 [pid 3617] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./53/cgroup.net") = 0 [pid 3617] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./53/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./53") = 0 [pid 3617] mkdir("./54", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 56 ./strace-static-x86_64: Process 4074 attached [pid 4074] chdir("./54") = 0 [pid 4074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4074] setpgid(0, 0) = 0 [pid 4074] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4074] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4074] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4074] write(3, "1000", 4) = 4 [pid 4074] close(3) = 0 [pid 4074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4074] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4074] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4074] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4074] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4072] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 193.959372][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806599f000: rx timeout, send abort [ 193.967790][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d651c00: rx timeout, send abort [pid 4072] close(3) = 0 [pid 4072] close(4) = -1 EBADF (Bad file descriptor) [pid 4072] close(5) = -1 EBADF (Bad file descriptor) [pid 4072] close(6) = -1 EBADF (Bad file descriptor) [pid 4072] close(7) = -1 EBADF (Bad file descriptor) [ 194.033232][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806599f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 194.047779][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d651c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4072] close(8) = -1 EBADF (Bad file descriptor) [pid 4072] close(9) = -1 EBADF (Bad file descriptor) [pid 4072] close(10) = -1 EBADF (Bad file descriptor) [pid 4072] close(11) = -1 EBADF (Bad file descriptor) [pid 4072] close(12) = -1 EBADF (Bad file descriptor) [pid 4072] close(13) = -1 EBADF (Bad file descriptor) [pid 4072] close(14) = -1 EBADF (Bad file descriptor) [pid 4072] close(15) = -1 EBADF (Bad file descriptor) [pid 4072] close(16) = -1 EBADF (Bad file descriptor) [pid 4072] close(17) = -1 EBADF (Bad file descriptor) [pid 4072] close(18) = -1 EBADF (Bad file descriptor) [pid 4072] close(19) = -1 EBADF (Bad file descriptor) [pid 4072] close(20) = -1 EBADF (Bad file descriptor) [pid 4072] close(21) = -1 EBADF (Bad file descriptor) [pid 4072] close(22) = -1 EBADF (Bad file descriptor) [pid 4072] close(23) = -1 EBADF (Bad file descriptor) [pid 4072] close(24) = -1 EBADF (Bad file descriptor) [pid 4072] close(25) = -1 EBADF (Bad file descriptor) [pid 4072] close(26) = -1 EBADF (Bad file descriptor) [pid 4072] close(27) = -1 EBADF (Bad file descriptor) [pid 4072] close(28) = -1 EBADF (Bad file descriptor) [pid 4072] close(29) = -1 EBADF (Bad file descriptor) [pid 4072] exit_group(0) = ? [pid 4072] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./63/binderfs") = 0 [pid 3618] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./63/cgroup") = 0 [pid 3618] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./63/cgroup.net") = 0 [pid 3618] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./63/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./63") = 0 [pid 3618] mkdir("./64", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4075 attached , child_tidptr=0x555556f5d5d0) = 66 [pid 4075] chdir("./64") = 0 [pid 4075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4075] setpgid(0, 0) = 0 [pid 4075] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4075] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4075] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4075] write(3, "1000", 4 [pid 4073] <... sendmsg resumed>) = 106496 [pid 4073] close(3 [pid 4075] <... write resumed>) = 4 [pid 4075] close(3) = 0 [pid 4075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4075] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4075] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4075] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4075] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4068] <... sendmsg resumed>) = 106496 [pid 4068] close(3 [pid 4074] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 194.914085][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807f6c1000: rx timeout, send abort [ 194.922520][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880693e4800: rx timeout, send abort [pid 4074] close(3) = 0 [pid 4074] close(4) = -1 EBADF (Bad file descriptor) [pid 4074] close(5) = -1 EBADF (Bad file descriptor) [pid 4074] close(6) = -1 EBADF (Bad file descriptor) [pid 4074] close(7) = -1 EBADF (Bad file descriptor) [pid 4074] close(8) = -1 EBADF (Bad file descriptor) [pid 4074] close(9) = -1 EBADF (Bad file descriptor) [pid 4074] close(10) = -1 EBADF (Bad file descriptor) [pid 4074] close(11) = -1 EBADF (Bad file descriptor) [pid 4074] close(12) = -1 EBADF (Bad file descriptor) [pid 4074] close(13) = -1 EBADF (Bad file descriptor) [pid 4074] close(14) = -1 EBADF (Bad file descriptor) [pid 4074] close(15) = -1 EBADF (Bad file descriptor) [pid 4074] close(16) = -1 EBADF (Bad file descriptor) [pid 4074] close(17) = -1 EBADF (Bad file descriptor) [pid 4074] close(18) = -1 EBADF (Bad file descriptor) [pid 4074] close(19) = -1 EBADF (Bad file descriptor) [ 195.054338][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807f6c1000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 195.068944][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880693e4800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4074] close(20) = -1 EBADF (Bad file descriptor) [pid 4074] close(21) = -1 EBADF (Bad file descriptor) [pid 4074] close(22) = -1 EBADF (Bad file descriptor) [pid 4074] close(23) = -1 EBADF (Bad file descriptor) [pid 4074] close(24) = -1 EBADF (Bad file descriptor) [pid 4074] close(25) = -1 EBADF (Bad file descriptor) [pid 4074] close(26) = -1 EBADF (Bad file descriptor) [pid 4074] close(27) = -1 EBADF (Bad file descriptor) [pid 4074] close(28) = -1 EBADF (Bad file descriptor) [pid 4074] close(29) = -1 EBADF (Bad file descriptor) [pid 4074] exit_group(0) = ? [pid 4074] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3617] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./54/binderfs") = 0 [pid 3617] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./54/cgroup") = 0 [pid 3617] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./54/cgroup.net") = 0 [pid 3617] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./54/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./54") = 0 [pid 3617] mkdir("./55", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 57 ./strace-static-x86_64: Process 4076 attached [pid 4076] chdir("./55") = 0 [pid 4076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4076] setpgid(0, 0) = 0 [pid 4076] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4076] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4076] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4076] write(3, "1000", 4) = 4 [pid 4076] close(3) = 0 [pid 4076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4076] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4076] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4076] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4076] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] kill(-61, SIGKILL [pid 4065] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 4065] +++ killed by SIGKILL +++ [pid 3616] kill(61, SIGKILL) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=61, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3616] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4075] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4075] close(3 [pid 3616] fstat(3, [pid 4070] <... sendmsg resumed>) = 106496 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4070] close(3 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./59/binderfs") = 0 [pid 3616] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 195.535283][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888064d2c000: rx timeout, send abort [ 195.543717][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f130000: rx timeout, send abort [pid 3616] lstat("./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./59/cgroup") = 0 [pid 3616] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./59/cgroup.net") = 0 [pid 3616] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./59/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./59") = 0 [pid 3616] mkdir("./60", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4077 attached , child_tidptr=0x555556f5d5d0) = 62 [pid 4077] chdir("./60") = 0 [pid 4077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4077] setpgid(0, 0) = 0 [pid 4077] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4077] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4077] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4077] write(3, "1000", 4) = 4 [pid 4077] close(3) = 0 [pid 4077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4077] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4077] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4077] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4077] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4073] <... close resumed>) = 0 [pid 4073] close(4) = -1 EBADF (Bad file descriptor) [pid 4073] close(5) = -1 EBADF (Bad file descriptor) [pid 4073] close(6) = -1 EBADF (Bad file descriptor) [pid 4073] close(7) = -1 EBADF (Bad file descriptor) [pid 4073] close(8) = -1 EBADF (Bad file descriptor) [pid 4073] close(9) = -1 EBADF (Bad file descriptor) [pid 4073] close(10) = -1 EBADF (Bad file descriptor) [pid 4073] close(11) = -1 EBADF (Bad file descriptor) [pid 4073] close(12) = -1 EBADF (Bad file descriptor) [pid 4073] close(13) = -1 EBADF (Bad file descriptor) [pid 4073] close(14) = -1 EBADF (Bad file descriptor) [pid 4073] close(15) = -1 EBADF (Bad file descriptor) [pid 4073] close(16) = -1 EBADF (Bad file descriptor) [pid 4073] close(17) = -1 EBADF (Bad file descriptor) [pid 4073] close(18) = -1 EBADF (Bad file descriptor) [pid 4073] close(19) = -1 EBADF (Bad file descriptor) [pid 4073] close(20) = -1 EBADF (Bad file descriptor) [pid 4073] close(21) = -1 EBADF (Bad file descriptor) [pid 4073] close(22) = -1 EBADF (Bad file descriptor) [pid 4073] close(23) = -1 EBADF (Bad file descriptor) [pid 4073] close(24) = -1 EBADF (Bad file descriptor) [pid 4073] close(25) = -1 EBADF (Bad file descriptor) [pid 4073] close(26) = -1 EBADF (Bad file descriptor) [pid 4073] close(27) = -1 EBADF (Bad file descriptor) [pid 4073] close(28) = -1 EBADF (Bad file descriptor) [pid 4073] close(29) = -1 EBADF (Bad file descriptor) [pid 4073] exit_group(0) = ? [pid 4073] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./59/binderfs") = 0 [pid 3619] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./59/cgroup") = 0 [pid 3619] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./59/cgroup.net") = 0 [pid 3619] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./59/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./59") = 0 [pid 3619] mkdir("./60", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 62 ./strace-static-x86_64: Process 4078 attached [pid 4078] chdir("./60") = 0 [pid 4078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4078] setpgid(0, 0) = 0 [pid 4078] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4078] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4078] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4078] write(3, "1000", 4) = 4 [pid 4078] close(3) = 0 [pid 4078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4078] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4078] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4078] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4078] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4075] <... close resumed>) = 0 [pid 4075] close(4) = -1 EBADF (Bad file descriptor) [pid 4075] close(5) = -1 EBADF (Bad file descriptor) [pid 4075] close(6) = -1 EBADF (Bad file descriptor) [pid 4075] close(7) = -1 EBADF (Bad file descriptor) [pid 4075] close(8) = -1 EBADF (Bad file descriptor) [pid 4075] close(9) = -1 EBADF (Bad file descriptor) [pid 4075] close(10) = -1 EBADF (Bad file descriptor) [pid 4075] close(11) = -1 EBADF (Bad file descriptor) [pid 4075] close(12) = -1 EBADF (Bad file descriptor) [pid 4075] close(13) = -1 EBADF (Bad file descriptor) [pid 4075] close(14) = -1 EBADF (Bad file descriptor) [pid 4075] close(15) = -1 EBADF (Bad file descriptor) [ 196.054049][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888064d2c000: abort rx timeout. Force session deactivation [ 196.064391][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f130000: abort rx timeout. Force session deactivation [pid 4075] close(16) = -1 EBADF (Bad file descriptor) [pid 4075] close(17) = -1 EBADF (Bad file descriptor) [pid 4075] close(18) = -1 EBADF (Bad file descriptor) [pid 4075] close(19) = -1 EBADF (Bad file descriptor) [pid 4075] close(20) = -1 EBADF (Bad file descriptor) [pid 4075] close(21) = -1 EBADF (Bad file descriptor) [pid 4075] close(22) = -1 EBADF (Bad file descriptor) [pid 4075] close(23) = -1 EBADF (Bad file descriptor) [pid 4075] close(24) = -1 EBADF (Bad file descriptor) [pid 4075] close(25) = -1 EBADF (Bad file descriptor) [pid 4075] close(26) = -1 EBADF (Bad file descriptor) [pid 4075] close(27) = -1 EBADF (Bad file descriptor) [pid 4075] close(28) = -1 EBADF (Bad file descriptor) [pid 4075] close(29) = -1 EBADF (Bad file descriptor) [pid 4075] exit_group(0) = ? [pid 4075] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3618] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./64/binderfs") = 0 [pid 3618] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./64/cgroup", [pid 3613] kill(-53, SIGKILL [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... kill resumed>) = 0 [pid 4068] <... close resumed>) = ? [pid 3618] unlink("./64/cgroup" [pid 3613] kill(53, SIGKILL [pid 4068] +++ killed by SIGKILL +++ [pid 3618] <... unlink resumed>) = 0 [pid 3613] <... kill resumed>) = 0 [pid 3618] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=53, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] unlink("./64/cgroup.net" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... unlink resumed>) = 0 [pid 3613] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... openat resumed>) = 3 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] fstat(3, [pid 3618] lstat("./64/cgroup.cpu", [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] getdents64(3, [pid 3618] unlink("./64/cgroup.cpu" [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] <... unlink resumed>) = 0 [pid 3613] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] getdents64(3, [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] lstat("./51/binderfs", [pid 3618] close(3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] <... close resumed>) = 0 [pid 3613] unlink("./51/binderfs" [pid 3618] rmdir("./64" [pid 3613] <... unlink resumed>) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3613] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] mkdir("./65", 0777 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... mkdir resumed>) = 0 [pid 3613] lstat("./51/cgroup", [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 4079 attached [pid 3613] unlink("./51/cgroup" [pid 4079] chdir("./65" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 67 [pid 3613] <... unlink resumed>) = 0 [pid 4079] <... chdir resumed>) = 0 [pid 3613] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4079] <... prctl resumed>) = 0 [pid 3613] lstat("./51/cgroup.net", [pid 4079] setpgid(0, 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4079] <... setpgid resumed>) = 0 [pid 3613] unlink("./51/cgroup.net" [pid 4079] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3613] <... unlink resumed>) = 0 [pid 4079] <... symlink resumed>) = 0 [pid 3613] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4079] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4079] <... symlink resumed>) = 0 [pid 3613] lstat("./51/cgroup.cpu", [pid 4079] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4079] <... symlink resumed>) = 0 [pid 3613] unlink("./51/cgroup.cpu" [pid 4079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... unlink resumed>) = 0 [pid 4079] <... openat resumed>) = 3 [pid 3613] getdents64(3, [pid 4079] write(3, "1000", 4 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4079] <... write resumed>) = 4 [pid 3613] close(3 [pid 4079] close(3 [pid 3613] <... close resumed>) = 0 [pid 4079] <... close resumed>) = 0 [pid 3613] rmdir("./51" [pid 4079] symlink("/dev/binderfs", "./binderfs" [pid 3613] <... rmdir resumed>) = 0 [pid 4079] <... symlink resumed>) = 0 [pid 3613] mkdir("./52", 0777 [pid 4079] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] <... mkdir resumed>) = 0 [pid 4079] <... socket resumed>) = 3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4079] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4079] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 54 [pid 4079] <... bind resumed>) = 0 [pid 4079] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0./strace-static-x86_64: Process 4080 attached [pid 4080] chdir("./52") = 0 [pid 4080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4080] setpgid(0, 0) = 0 [pid 4080] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4080] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4080] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4080] write(3, "1000", 4) = 4 [pid 4080] close(3) = 0 [pid 4080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4080] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4076] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4076] close(3 [pid 4080] <... socket resumed>) = 3 [pid 4080] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4080] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 196.383299][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888077744000: rx timeout, send abort [ 196.391700][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888069fe3c00: rx timeout, send abort [pid 4080] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4076] <... close resumed>) = 0 [pid 4076] close(4) = -1 EBADF (Bad file descriptor) [pid 4076] close(5) = -1 EBADF (Bad file descriptor) [pid 4076] close(6) = -1 EBADF (Bad file descriptor) [pid 4076] close(7) = -1 EBADF (Bad file descriptor) [pid 4076] close(8) = -1 EBADF (Bad file descriptor) [pid 4076] close(9) = -1 EBADF (Bad file descriptor) [pid 4076] close(10) = -1 EBADF (Bad file descriptor) [pid 4076] close(11) = -1 EBADF (Bad file descriptor) [pid 4076] close(12) = -1 EBADF (Bad file descriptor) [pid 4076] close(13) = -1 EBADF (Bad file descriptor) [pid 4076] close(14) = -1 EBADF (Bad file descriptor) [pid 4076] close(15) = -1 EBADF (Bad file descriptor) [pid 4076] close(16) = -1 EBADF (Bad file descriptor) [pid 4076] close(17) = -1 EBADF (Bad file descriptor) [pid 4076] close(18) = -1 EBADF (Bad file descriptor) [pid 4076] close(19) = -1 EBADF (Bad file descriptor) [pid 4076] close(20) = -1 EBADF (Bad file descriptor) [pid 4076] close(21) = -1 EBADF (Bad file descriptor) [pid 4076] close(22) = -1 EBADF (Bad file descriptor) [pid 4076] close(23) = -1 EBADF (Bad file descriptor) [pid 4076] close(24) = -1 EBADF (Bad file descriptor) [pid 4076] close(25) = -1 EBADF (Bad file descriptor) [pid 4076] close(26) = -1 EBADF (Bad file descriptor) [pid 4076] close(27) = -1 EBADF (Bad file descriptor) [pid 4076] close(28) = -1 EBADF (Bad file descriptor) [pid 4076] close(29) = -1 EBADF (Bad file descriptor) [pid 4076] exit_group(0) = ? [pid 4076] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 196.444301][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077744000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 196.458855][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069fe3c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./55/binderfs") = 0 [pid 3617] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./55/cgroup") = 0 [pid 3617] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./55/cgroup.net") = 0 [pid 3617] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./55/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./55") = 0 [pid 3617] mkdir("./56", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4081 attached , child_tidptr=0x555556f5d5d0) = 58 [pid 4081] chdir("./56") = 0 [pid 4081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4081] setpgid(0, 0) = 0 [pid 4081] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4081] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4081] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4081] write(3, "1000", 4) = 4 [pid 4081] close(3) = 0 [pid 4081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4081] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4081] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4081] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 196.728632][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801cd8a800: rx timeout, send abort [pid 4081] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4077] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4077] close(3) = 0 [pid 4077] close(4) = -1 EBADF (Bad file descriptor) [pid 4077] close(5) = -1 EBADF (Bad file descriptor) [pid 4077] close(6) = -1 EBADF (Bad file descriptor) [pid 4077] close(7) = -1 EBADF (Bad file descriptor) [pid 4077] close(8) = -1 EBADF (Bad file descriptor) [pid 4077] close(9) = -1 EBADF (Bad file descriptor) [pid 4077] close(10) = -1 EBADF (Bad file descriptor) [pid 4077] close(11) = -1 EBADF (Bad file descriptor) [pid 4077] close(12) = -1 EBADF (Bad file descriptor) [pid 4077] close(13) = -1 EBADF (Bad file descriptor) [pid 4077] close(14) = -1 EBADF (Bad file descriptor) [pid 4077] close(15) = -1 EBADF (Bad file descriptor) [pid 4077] close(16) = -1 EBADF (Bad file descriptor) [pid 4077] close(17) = -1 EBADF (Bad file descriptor) [pid 4077] close(18) = -1 EBADF (Bad file descriptor) [pid 4077] close(19) = -1 EBADF (Bad file descriptor) [pid 4077] close(20) = -1 EBADF (Bad file descriptor) [pid 4077] close(21) = -1 EBADF (Bad file descriptor) [pid 4077] close(22) = -1 EBADF (Bad file descriptor) [pid 4077] close(23) = -1 EBADF (Bad file descriptor) [pid 4077] close(24) = -1 EBADF (Bad file descriptor) [pid 4077] close(25) = -1 EBADF (Bad file descriptor) [pid 4077] close(26) = -1 EBADF (Bad file descriptor) [pid 4077] close(27) = -1 EBADF (Bad file descriptor) [pid 4077] close(28) = -1 EBADF (Bad file descriptor) [pid 4077] close(29) = -1 EBADF (Bad file descriptor) [pid 4077] exit_group(0) = ? [pid 4077] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 196.786670][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ec93000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 196.801150][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807577f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./60/binderfs") = 0 [pid 3620] kill(-60, SIGKILL [pid 3616] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./60/cgroup") = 0 [pid 3616] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./60/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./60/cgroup.net") = 0 [pid 3616] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./60/cgroup.cpu", [pid 4070] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4070] +++ killed by SIGKILL +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=60, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3616] unlink("./60/cgroup.cpu" [pid 3620] kill(60, SIGKILL [pid 3616] <... unlink resumed>) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./60") = 0 [pid 3616] mkdir("./61", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4082 attached [pid 3620] <... kill resumed>) = 0 [pid 4082] chdir("./61") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 63 [pid 4082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4082] <... prctl resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4082] setpgid(0, 0) = 0 [pid 4082] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4082] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 3620] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4082] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3620] <... openat resumed>) = 3 [pid 4082] <... symlink resumed>) = 0 [pid 4082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] fstat(3, [pid 4082] write(3, "1000", 4) = 4 [pid 4082] close(3) = 0 [pid 4082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4082] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4082] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4082] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4082] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./58/binderfs") = 0 [pid 3620] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./58/cgroup") = 0 [pid 3620] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./58/cgroup.net") = 0 [pid 3620] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./58/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./58") = 0 [pid 3620] mkdir("./59", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4083 attached , child_tidptr=0x555556f5d5d0) = 61 [pid 4083] chdir("./59") = 0 [pid 4083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4083] setpgid(0, 0) = 0 [pid 4083] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4083] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4083] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4083] write(3, "1000", 4) = 4 [pid 4083] close(3) = 0 [pid 4083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4083] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4083] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4083] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4079] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4083] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [ 197.159211][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069a4bc00: rx timeout, send abort [ 197.167662][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069a4a400: rx timeout, send abort [pid 4079] close(3) = 0 [pid 4079] close(4) = -1 EBADF (Bad file descriptor) [pid 4079] close(5) = -1 EBADF (Bad file descriptor) [pid 4079] close(6) = -1 EBADF (Bad file descriptor) [pid 4079] close(7) = -1 EBADF (Bad file descriptor) [pid 4079] close(8) = -1 EBADF (Bad file descriptor) [ 197.195820][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069a4bc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 197.210343][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069a4a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 197.247789][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801cd8a800: abort rx timeout. Force session deactivation [pid 4079] close(9) = -1 EBADF (Bad file descriptor) [pid 4080] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 197.292982][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806dfd4800: rx timeout, send abort [ 197.301385][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807e769c00: rx timeout, send abort [ 197.324687][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806dfd4800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4079] close(10 [pid 4080] close(3 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] <... sendmsg resumed>) = 106496 [pid 4080] <... close resumed>) = 0 [pid 4079] close(11 [pid 4078] close(3 [pid 4080] close(4 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(12 [pid 4080] close(5 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(13 [pid 4080] close(6 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(14 [pid 4080] close(7) = -1 EBADF (Bad file descriptor) [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] close(8 [ 197.339194][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807e769c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4079] close(15 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] close(9 [pid 4079] close(16 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] close(10 [pid 4079] close(17) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(18 [pid 4080] close(11 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(19 [pid 4080] close(12 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(20 [pid 4080] close(13 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(21 [pid 4080] close(14 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(22 [pid 4080] close(15 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(23 [pid 4080] close(16 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(24 [pid 4080] close(17 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(25 [pid 4080] close(18 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(26 [pid 4080] close(19 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(27 [pid 4080] close(20 [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] close(28) = -1 EBADF (Bad file descriptor) [pid 4079] close(29 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] close(21 [ 197.456845][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801db91000: rx timeout, send abort [pid 4079] exit_group(0 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4079] <... exit_group resumed>) = ? [pid 4080] close(22 [pid 4079] +++ exited with 0 +++ [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] close(23 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4080] close(24 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4080] close(25 [pid 3618] <... openat resumed>) = 3 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] fstat(3, [pid 4080] close(26 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4080] close(27 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4080] close(28 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./65/binderfs", [pid 4080] close(29 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./65/binderfs" [pid 4080] exit_group(0 [pid 3618] <... unlink resumed>) = 0 [pid 4080] <... exit_group resumed>) = ? [pid 3618] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4080] +++ exited with 0 +++ [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./65/cgroup") = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./65/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./65/cgroup.net") = 0 [pid 3618] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./65/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./65/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./65") = 0 [pid 3618] mkdir("./66", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4084 attached [pid 4084] chdir("./66" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 68 [pid 4084] <... chdir resumed>) = 0 [pid 4084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4084] setpgid(0, 0) = 0 [pid 4084] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4084] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4084] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4084] write(3, "1000", 4) = 4 [pid 4084] close(3) = 0 [pid 4084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4084] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4084] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4084] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4084] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4081] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3613] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 197.637024][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888075e59c00: rx timeout, send abort [ 197.645558][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806dc96400: rx timeout, send abort [ 197.657116][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806dc8b800: rx timeout, send abort [pid 4081] close(3 [pid 3613] <... openat resumed>) = 3 [pid 4083] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4083] close(3) = 0 [pid 4083] close(4) = -1 EBADF (Bad file descriptor) [pid 4083] close(5) = -1 EBADF (Bad file descriptor) [pid 4083] close(6) = -1 EBADF (Bad file descriptor) [pid 4083] close(7) = -1 EBADF (Bad file descriptor) [pid 4083] close(8 [pid 4081] <... close resumed>) = 0 [pid 3613] fstat(3, [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4083] close(9) = -1 EBADF (Bad file descriptor) [pid 4083] close(10) = -1 EBADF (Bad file descriptor) [pid 4083] close(11) = -1 EBADF (Bad file descriptor) [pid 4083] close(12) = -1 EBADF (Bad file descriptor) [ 197.675480][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075e59c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 197.690015][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806dc96400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 197.704671][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a2f7400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 197.719620][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a2f7c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4083] close(13) = -1 EBADF (Bad file descriptor) [pid 4083] close(14) = -1 EBADF (Bad file descriptor) [pid 4083] close(15) = -1 EBADF (Bad file descriptor) [pid 4083] close(16) = -1 EBADF (Bad file descriptor) [pid 4083] close(17) = -1 EBADF (Bad file descriptor) [pid 4083] close(18) = -1 EBADF (Bad file descriptor) [pid 4081] close(4 [pid 4083] close(19 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4083] close(20 [pid 4081] close(5 [pid 3613] getdents64(3, [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4083] close(21 [pid 4081] close(6 [pid 3613] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4083] close(22 [pid 4081] close(7 [pid 3613] lstat("./52/binderfs", [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4083] close(23 [pid 4081] close(8 [pid 3613] unlink("./52/binderfs" [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4083] close(24 [pid 4081] close(9 [pid 3613] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4083] close(25 [pid 4081] close(10 [pid 3613] lstat("./52/cgroup", [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4083] close(26 [pid 4081] close(11 [pid 3613] unlink("./52/cgroup" [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4083] close(27 [pid 4081] close(12 [pid 3613] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4083] close(28 [pid 4081] close(13 [pid 3613] lstat("./52/cgroup.net", [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4083] close(29 [pid 4081] close(14 [pid 3613] unlink("./52/cgroup.net" [pid 4083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4083] exit_group(0 [pid 4081] close(15 [pid 3613] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4083] <... exit_group resumed>) = ? [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4083] +++ exited with 0 +++ [pid 4081] close(16 [pid 3613] lstat("./52/cgroup.cpu", [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4081] close(17) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./52/cgroup.cpu" [pid 4081] close(18 [pid 3620] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... unlink resumed>) = 0 [pid 4081] close(19 [pid 3620] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] getdents64(3, [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... openat resumed>) = 3 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4081] close(20 [pid 3620] fstat(3, [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] close(3 [pid 4081] close(21 [pid 3620] getdents64(3, [pid 3613] <... close resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] rmdir("./52" [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... rmdir resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4081] close(22 [pid 3620] lstat("./59/binderfs", [pid 3613] mkdir("./53", 0777 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 4081] close(23) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./59/binderfs" [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4081] close(24 [pid 3620] <... unlink resumed>) = 0 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4085 attached [pid 4081] close(25 [pid 3620] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4085] chdir("./53" [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4081] close(26 [pid 3620] lstat("./59/cgroup", [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 55 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... chdir resumed>) = 0 [pid 4085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4085] setpgid(0, 0) = 0 [pid 4085] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4085] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4081] close(27 [pid 3620] unlink("./59/cgroup" [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4081] close(28 [pid 3620] <... unlink resumed>) = 0 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4081] close(29 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./59/cgroup.net", [pid 4085] <... symlink resumed>) = 0 [pid 4081] exit_group(0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4081] <... exit_group resumed>) = ? [pid 3620] unlink("./59/cgroup.net" [pid 4085] write(3, "1000", 4) = 4 [pid 4085] close(3) = 0 [pid 4085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4085] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4081] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] <... unlink resumed>) = 0 [pid 4085] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4085] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4085] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./59/cgroup.cpu" [pid 3617] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] getdents64(3, [pid 3617] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] fstat(3, [pid 3620] close(3 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] <... close resumed>) = 0 [pid 3617] getdents64(3, [pid 3620] rmdir("./59" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] <... rmdir resumed>) = 0 [pid 3617] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] mkdir("./60", 0777 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... mkdir resumed>) = 0 [pid 3617] lstat("./56/binderfs", [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 4086 attached [pid 3617] unlink("./56/binderfs" [pid 4086] chdir("./60" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 62 [pid 3617] <... unlink resumed>) = 0 [pid 4086] <... chdir resumed>) = 0 [pid 3617] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./56/cgroup") = 0 [pid 3617] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./56/cgroup.net") = 0 [pid 3617] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./56/cgroup.cpu") = 0 [pid 4086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 4086] <... prctl resumed>) = 0 [pid 3617] rmdir("./56") = 0 [pid 3617] mkdir("./57", 0777 [pid 4086] setpgid(0, 0 [pid 3617] <... mkdir resumed>) = 0 [pid 4086] <... setpgid resumed>) = 0 [pid 4086] symlink("/syzcgroup/unified/syz4", "./cgroup" [ 197.990126][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801db91000: abort rx timeout. Force session deactivation [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4086] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 4087 attached [pid 4086] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4086] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 59 [pid 4087] chdir("./57" [pid 4086] <... symlink resumed>) = 0 [pid 4086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4087] <... chdir resumed>) = 0 [pid 4086] <... openat resumed>) = 3 [pid 4086] write(3, "1000", 4) = 4 [pid 4086] close(3) = 0 [pid 4086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4086] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4086] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4086] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4086] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4086] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4087] <... prctl resumed>) = 0 [pid 4087] setpgid(0, 0) = 0 [pid 4087] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4087] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4087] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4087] write(3, "1000", 4) = 4 [pid 4087] close(3) = 0 [pid 4087] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4087] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4087] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4087] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 198.174746][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806dc8b800: abort rx timeout. Force session deactivation [ 198.468833][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069082000: rx timeout, send abort [ 198.477235][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069083400: rx timeout, send abort [pid 4087] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4084] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4082] <... sendmsg resumed>) = 106496 [pid 4084] close(3 [pid 4082] close(3 [pid 4084] <... close resumed>) = 0 [pid 4084] close(4) = -1 EBADF (Bad file descriptor) [pid 4084] close(5) = -1 EBADF (Bad file descriptor) [pid 4084] close(6) = -1 EBADF (Bad file descriptor) [pid 4084] close(7) = -1 EBADF (Bad file descriptor) [ 198.508045][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069082000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 198.522605][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069083400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4084] close(8) = -1 EBADF (Bad file descriptor) [pid 4084] close(9) = -1 EBADF (Bad file descriptor) [pid 4084] close(10) = -1 EBADF (Bad file descriptor) [pid 4084] close(11) = -1 EBADF (Bad file descriptor) [pid 4084] close(12) = -1 EBADF (Bad file descriptor) [pid 4084] close(13) = -1 EBADF (Bad file descriptor) [pid 4084] close(14) = -1 EBADF (Bad file descriptor) [pid 4084] close(15) = -1 EBADF (Bad file descriptor) [pid 4084] close(16) = -1 EBADF (Bad file descriptor) [pid 4084] close(17) = -1 EBADF (Bad file descriptor) [pid 4084] close(18) = -1 EBADF (Bad file descriptor) [pid 4084] close(19) = -1 EBADF (Bad file descriptor) [pid 4084] close(20) = -1 EBADF (Bad file descriptor) [pid 4084] close(21) = -1 EBADF (Bad file descriptor) [pid 4084] close(22) = -1 EBADF (Bad file descriptor) [pid 4084] close(23) = -1 EBADF (Bad file descriptor) [pid 4084] close(24) = -1 EBADF (Bad file descriptor) [pid 4084] close(25) = -1 EBADF (Bad file descriptor) [pid 4084] close(26) = -1 EBADF (Bad file descriptor) [pid 4084] close(27) = -1 EBADF (Bad file descriptor) [pid 4084] close(28) = -1 EBADF (Bad file descriptor) [pid 4084] close(29) = -1 EBADF (Bad file descriptor) [pid 4084] exit_group(0) = ? [pid 4084] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./66/binderfs") = 0 [pid 3618] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./66/cgroup") = 0 [pid 3618] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./66/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./66/cgroup.net") = 0 [pid 3618] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./66/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./66/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./66") = 0 [pid 3618] mkdir("./67", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4088 attached , child_tidptr=0x555556f5d5d0) = 69 [pid 4088] chdir("./67") = 0 [pid 4088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4088] setpgid(0, 0) = 0 [pid 4088] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4088] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4088] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4085] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4088] <... symlink resumed>) = 0 [pid 4085] close(3 [pid 4088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 198.804738][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806bad0400: rx timeout, send abort [ 198.813154][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806bad2c00: rx timeout, send abort [ 198.833108][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bad0400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4088] write(3, "1000", 4) = 4 [pid 4085] <... close resumed>) = 0 [pid 4085] close(4 [pid 4088] close(3 [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = 0 [pid 4085] close(5 [pid 4088] symlink("/dev/binderfs", "./binderfs" [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... symlink resumed>) = 0 [pid 4085] close(6) = -1 EBADF (Bad file descriptor) [pid 4088] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4085] close(7 [pid 4088] <... socket resumed>) = 3 [pid 4078] <... close resumed>) = 0 [pid 4078] close(4) = -1 EBADF (Bad file descriptor) [pid 4078] close(5) = -1 EBADF (Bad file descriptor) [pid 4078] close(6) = -1 EBADF (Bad file descriptor) [pid 4078] close(7) = -1 EBADF (Bad file descriptor) [pid 4078] close(8) = -1 EBADF (Bad file descriptor) [pid 4078] close(9) = -1 EBADF (Bad file descriptor) [pid 4078] close(10 [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 198.848080][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bad2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4088] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4085] close(8 [pid 4078] close(11 [pid 4088] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] close(12 [pid 4088] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4085] close(9 [pid 4078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] close(13) = -1 EBADF (Bad file descriptor) [pid 4088] <... bind resumed>) = 0 [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] close(14) = -1 EBADF (Bad file descriptor) [pid 4078] close(15) = -1 EBADF (Bad file descriptor) [pid 4088] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4085] close(10 [pid 4078] close(16) = -1 EBADF (Bad file descriptor) [pid 4078] close(17) = -1 EBADF (Bad file descriptor) [pid 4078] close(18) = -1 EBADF (Bad file descriptor) [pid 4078] close(19 [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] close(20) = -1 EBADF (Bad file descriptor) [pid 4085] close(11 [pid 4078] close(21) = -1 EBADF (Bad file descriptor) [pid 4078] close(22) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] close(23) = -1 EBADF (Bad file descriptor) [pid 4078] close(24) = -1 EBADF (Bad file descriptor) [pid 4085] close(12 [pid 4078] close(25 [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4078] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] close(13 [pid 4078] close(26) = -1 EBADF (Bad file descriptor) [pid 4078] close(27) = -1 EBADF (Bad file descriptor) [pid 4078] close(28) = -1 EBADF (Bad file descriptor) [pid 4078] close(29) = -1 EBADF (Bad file descriptor) [pid 4078] exit_group(0) = ? [pid 4078] +++ exited with 0 +++ [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] close(14) = -1 EBADF (Bad file descriptor) [pid 4085] close(15) = -1 EBADF (Bad file descriptor) [pid 4085] close(16) = -1 EBADF (Bad file descriptor) [pid 4085] close(17) = -1 EBADF (Bad file descriptor) [ 198.966315][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888074c51800: rx timeout, send abort [ 198.975271][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888074c52400: rx timeout, send abort [ 198.983845][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074c51800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 198.998525][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074c52400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4085] close(18 [pid 4086] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4086] close(3 [pid 4085] close(19 [pid 4086] <... close resumed>) = 0 [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(4 [pid 4085] close(20 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(5 [pid 4085] close(21 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(6 [pid 4085] close(22 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(7 [pid 4085] close(23 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(8 [pid 4085] close(24 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(9 [pid 4085] close(25 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(10 [pid 4085] close(26 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(11 [pid 4085] close(27 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(12 [pid 4085] close(28 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(13 [pid 4085] close(29 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4086] close(14 [pid 4085] exit_group(0 [pid 4087] close(3 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4085] <... exit_group resumed>) = ? [pid 4086] close(15 [pid 4085] +++ exited with 0 +++ [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4086] close(16) = -1 EBADF (Bad file descriptor) [pid 4086] close(17 [pid 3613] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4086] close(18 [pid 3613] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... openat resumed>) = 3 [pid 4086] close(19 [pid 3613] fstat(3, [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4086] close(20 [pid 3613] getdents64(3, [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4086] close(21 [pid 3613] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4086] close(22 [pid 3613] lstat("./53/binderfs", [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4086] close(23 [pid 3613] unlink("./53/binderfs" [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4086] close(24 [pid 3613] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4086] close(25 [pid 3613] lstat("./53/cgroup", [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 199.008853][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806557c000: rx timeout, send abort [ 199.021272][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a96a000: rx timeout, send abort [ 199.047042][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806557c000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4086] close(26 [pid 3613] unlink("./53/cgroup" [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4086] close(27 [pid 3613] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4086] close(28 [pid 3613] lstat("./53/cgroup.net", [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4086] close(29 [pid 3613] unlink("./53/cgroup.net" [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4086] exit_group(0 [pid 3613] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4086] <... exit_group resumed>) = ? [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4086] +++ exited with 0 +++ [pid 3613] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./53/cgroup.cpu") = 0 [pid 4087] <... close resumed>) = 0 [pid 3619] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./53") = 0 [pid 3613] mkdir("./54", 0777 [pid 4087] close(4 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... mkdir resumed>) = 0 [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4089 attached [pid 4089] chdir("./54" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 56 [pid 4089] <... chdir resumed>) = 0 [pid 4089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4089] setpgid(0, 0) = 0 [pid 4089] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4089] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4089] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4089] write(3, "1000", 4) = 4 [pid 4089] close(3) = 0 [pid 4089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4087] close(5 [pid 4089] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4089] <... socket resumed>) = 3 [pid 4089] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4089] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4087] close(6 [pid 3620] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] fstat(3, [pid 4089] <... bind resumed>) = 0 [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 199.061636][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a96a000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4089] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4087] close(7 [pid 3620] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] getdents64(3, [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... openat resumed>) = 3 [pid 4087] close(8 [pid 3620] fstat(3, [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4087] close(9 [pid 3620] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] lstat("./60/binderfs", [pid 4087] close(10) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4087] close(11 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./60/binderfs" [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4087] close(12) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./60/binderfs", [pid 3619] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4087] close(13 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./60/binderfs" [pid 3619] lstat("./60/cgroup", [pid 4087] close(14) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4087] close(15 [pid 3620] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./60/cgroup" [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4087] close(16 [pid 3620] lstat("./60/cgroup", [pid 3619] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4087] close(17 [pid 3620] unlink("./60/cgroup" [pid 3619] lstat("./60/cgroup.net", [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4087] close(18) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./60/cgroup.net" [pid 4087] close(19 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] close(20) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./60/cgroup.net", [pid 3619] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4087] close(21 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./60/cgroup.net" [pid 3619] lstat("./60/cgroup.cpu", [pid 4087] close(22) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4087] close(23 [pid 3620] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./60/cgroup.cpu" [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] close(24) = -1 EBADF (Bad file descriptor) [pid 4087] close(25) = -1 EBADF (Bad file descriptor) [pid 4087] close(26) = -1 EBADF (Bad file descriptor) [pid 4087] close(27) = -1 EBADF (Bad file descriptor) [pid 4087] close(28) = -1 EBADF (Bad file descriptor) [pid 4087] close(29) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4087] exit_group(0) = ? [pid 4087] +++ exited with 0 +++ [pid 3620] lstat("./60/cgroup.cpu", [pid 3619] <... unlink resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] getdents64(3, [pid 3620] unlink("./60/cgroup.cpu" [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] <... unlink resumed>) = 0 [pid 3619] close(3 [pid 3617] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] getdents64(3, [pid 3619] <... close resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] rmdir("./60" [pid 3620] close(3 [pid 3619] <... rmdir resumed>) = 0 [pid 3617] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] <... close resumed>) = 0 [pid 3619] mkdir("./61", 0777 [pid 3617] <... openat resumed>) = 3 [pid 3620] rmdir("./60") = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3617] fstat(3, [pid 3620] mkdir("./61", 0777 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 4090 attached [pid 3620] <... mkdir resumed>) = 0 [pid 3617] getdents64(3, [pid 4090] chdir("./61" [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 63 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 4091 attached [pid 3617] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4090] <... chdir resumed>) = 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 63 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4091] chdir("./61" [pid 4090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] lstat("./57/binderfs", [pid 4091] <... chdir resumed>) = 0 [pid 4090] <... prctl resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4090] setpgid(0, 0 [pid 3617] unlink("./57/binderfs" [pid 4091] <... prctl resumed>) = 0 [pid 4091] setpgid(0, 0 [pid 4090] <... setpgid resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 4091] <... setpgid resumed>) = 0 [pid 4090] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3617] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4091] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4090] <... symlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4091] <... symlink resumed>) = 0 [pid 4090] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3617] lstat("./57/cgroup", [pid 4090] <... symlink resumed>) = 0 [pid 4091] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4090] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4091] <... symlink resumed>) = 0 [pid 4091] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4090] <... symlink resumed>) = 0 [pid 3617] unlink("./57/cgroup" [pid 4091] <... symlink resumed>) = 0 [pid 4090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... unlink resumed>) = 0 [pid 4091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4090] <... openat resumed>) = 3 [pid 3617] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4091] <... openat resumed>) = 3 [pid 4090] write(3, "1000", 4 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4091] write(3, "1000", 4 [pid 4090] <... write resumed>) = 4 [pid 3617] lstat("./57/cgroup.net", [pid 4091] <... write resumed>) = 4 [pid 4090] close(3 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4091] close(3 [pid 4090] <... close resumed>) = 0 [pid 3617] unlink("./57/cgroup.net" [pid 4091] <... close resumed>) = 0 [pid 4090] symlink("/dev/binderfs", "./binderfs" [pid 3617] <... unlink resumed>) = 0 [pid 4090] <... symlink resumed>) = 0 [pid 4091] symlink("/dev/binderfs", "./binderfs" [pid 4090] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4091] <... symlink resumed>) = 0 [pid 4090] <... socket resumed>) = 3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4091] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4090] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] lstat("./57/cgroup.cpu", [pid 4091] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4090] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4091] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4090] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] unlink("./57/cgroup.cpu" [pid 4091] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4090] <... bind resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 4091] <... bind resumed>) = 0 [pid 4090] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] getdents64(3, [pid 4091] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./57") = 0 [pid 3617] mkdir("./58", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4092 attached , child_tidptr=0x555556f5d5d0) = 60 [pid 4092] chdir("./58") = 0 [pid 4092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4092] setpgid(0, 0) = 0 [pid 4092] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4092] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4092] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4092] write(3, "1000", 4) = 4 [pid 4092] close(3) = 0 [pid 4092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4092] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4092] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4092] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4092] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4088] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 199.752930][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d23c400: rx timeout, send abort [ 199.761519][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888075273800: rx timeout, send abort [pid 4088] close(3 [pid 4091] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4088] <... close resumed>) = 0 [pid 4091] close(3 [pid 4088] close(4) = -1 EBADF (Bad file descriptor) [pid 4088] close(5) = -1 EBADF (Bad file descriptor) [pid 4088] close(6) = -1 EBADF (Bad file descriptor) [pid 4088] close(7) = -1 EBADF (Bad file descriptor) [pid 4088] close(8) = -1 EBADF (Bad file descriptor) [pid 4088] close(9) = -1 EBADF (Bad file descriptor) [pid 4088] close(10) = -1 EBADF (Bad file descriptor) [pid 4088] close(11) = -1 EBADF (Bad file descriptor) [pid 4088] close(12) = -1 EBADF (Bad file descriptor) [pid 4088] close(13) = -1 EBADF (Bad file descriptor) [pid 4088] close(14) = -1 EBADF (Bad file descriptor) [pid 4088] close(15) = -1 EBADF (Bad file descriptor) [pid 4088] close(16) = -1 EBADF (Bad file descriptor) [ 199.831516][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d23c400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 199.846146][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075273800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 199.860956][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88802619a800: rx timeout, send abort [pid 4088] close(17) = -1 EBADF (Bad file descriptor) [pid 4088] close(18) = -1 EBADF (Bad file descriptor) [pid 4088] close(19) = -1 EBADF (Bad file descriptor) [pid 4091] <... close resumed>) = 0 [pid 4088] close(20) = -1 EBADF (Bad file descriptor) [pid 4091] close(4 [pid 4088] close(21 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(5 [pid 4088] close(22 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(6 [pid 4088] close(23 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(7 [pid 4088] close(24 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(8 [pid 4088] close(25 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(9 [pid 4088] close(26 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(10 [pid 4088] close(27 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(11 [pid 4088] close(28 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(12 [pid 4088] close(29 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(13 [pid 4088] exit_group(0 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... exit_group resumed>) = ? [pid 4091] close(14) = -1 EBADF (Bad file descriptor) [pid 4088] +++ exited with 0 +++ [pid 4091] close(15) = -1 EBADF (Bad file descriptor) [ 199.933060][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88802619a800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 199.947734][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801b674c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4091] close(16 [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... restart_syscall resumed>) = 0 [pid 4091] close(17) = -1 EBADF (Bad file descriptor) [pid 4091] close(18) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4091] close(19 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4091] close(20) = -1 EBADF (Bad file descriptor) [pid 3618] <... openat resumed>) = 3 [pid 4091] close(21 [pid 3618] fstat(3, [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(22 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4091] close(23) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4091] close(24 [pid 3618] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4091] close(25 [pid 3618] lstat("./67/binderfs", [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4091] close(26 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./67/binderfs" [pid 4091] close(27 [pid 3618] <... unlink resumed>) = 0 [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4091] close(28) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4091] close(29 [pid 3618] lstat("./67/cgroup", [pid 4091] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4091] exit_group(0 [pid 3618] unlink("./67/cgroup" [pid 4091] <... exit_group resumed>) = ? [pid 3618] <... unlink resumed>) = 0 [pid 4091] +++ exited with 0 +++ [pid 3618] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, [pid 3618] lstat("./67/cgroup.net", [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./61/binderfs") = 0 [pid 3618] unlink("./67/cgroup.net" [pid 3620] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./61/cgroup") = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3620] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./61/cgroup.net") = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./61/cgroup.cpu" [pid 3618] lstat("./67/cgroup.cpu", [pid 3620] <... unlink resumed>) = 0 [pid 3620] getdents64(3, [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] unlink("./67/cgroup.cpu" [pid 3620] close(3) = 0 [pid 3620] rmdir("./61") = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3620] mkdir("./62", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 64 ./strace-static-x86_64: Process 4093 attached [pid 3618] getdents64(3, [pid 4093] chdir("./62" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4093] <... chdir resumed>) = 0 [pid 3618] close(3 [pid 4093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] <... close resumed>) = 0 [pid 4093] <... prctl resumed>) = 0 [pid 4093] setpgid(0, 0 [pid 3618] rmdir("./67" [pid 4093] <... setpgid resumed>) = 0 [pid 4093] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 4093] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3618] mkdir("./68", 0777 [pid 4093] <... symlink resumed>) = 0 [pid 4093] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3618] <... mkdir resumed>) = 0 [pid 4093] <... symlink resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 4094 attached [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 70 [pid 4093] <... openat resumed>) = 3 [pid 4094] chdir("./68" [pid 4093] write(3, "1000", 4 [pid 4094] <... chdir resumed>) = 0 [pid 4093] <... write resumed>) = 4 [pid 4094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4093] close(3 [pid 4094] <... prctl resumed>) = 0 [pid 4093] <... close resumed>) = 0 [pid 4094] setpgid(0, 0 [pid 4093] symlink("/dev/binderfs", "./binderfs" [pid 4094] <... setpgid resumed>) = 0 [pid 4093] <... symlink resumed>) = 0 [pid 4094] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4093] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4094] <... symlink resumed>) = 0 [pid 4094] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4093] <... socket resumed>) = 3 [pid 4094] <... symlink resumed>) = 0 [pid 4093] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4094] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4093] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4094] <... symlink resumed>) = 0 [pid 4093] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4093] <... bind resumed>) = 0 [pid 4094] <... openat resumed>) = 3 [pid 4093] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4094] write(3, "1000", 4) = 4 [pid 4094] close(3) = 0 [pid 4094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4094] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4094] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4094] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4094] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4089] <... sendmsg resumed>) = 106496 [pid 4089] close(3 [pid 4092] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 200.460403][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888078dac400: rx timeout, send abort [ 200.469041][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888078dacc00: rx timeout, send abort [ 200.482630][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888078dac400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4092] close(3) = 0 [pid 4092] close(4) = -1 EBADF (Bad file descriptor) [pid 4092] close(5) = -1 EBADF (Bad file descriptor) [pid 4092] close(6) = -1 EBADF (Bad file descriptor) [pid 4092] close(7) = -1 EBADF (Bad file descriptor) [pid 4092] close(8) = -1 EBADF (Bad file descriptor) [pid 4092] close(9) = -1 EBADF (Bad file descriptor) [pid 4092] close(10) = -1 EBADF (Bad file descriptor) [pid 4092] close(11) = -1 EBADF (Bad file descriptor) [pid 4092] close(12) = -1 EBADF (Bad file descriptor) [pid 4092] close(13) = -1 EBADF (Bad file descriptor) [pid 4092] close(14) = -1 EBADF (Bad file descriptor) [pid 4092] close(15) = -1 EBADF (Bad file descriptor) [pid 4092] close(16) = -1 EBADF (Bad file descriptor) [pid 4092] close(17) = -1 EBADF (Bad file descriptor) [pid 4092] close(18) = -1 EBADF (Bad file descriptor) [pid 4092] close(19) = -1 EBADF (Bad file descriptor) [pid 4092] close(20) = -1 EBADF (Bad file descriptor) [pid 4092] close(21) = -1 EBADF (Bad file descriptor) [pid 4092] close(22) = -1 EBADF (Bad file descriptor) [pid 4092] close(23) = -1 EBADF (Bad file descriptor) [pid 4092] close(24) = -1 EBADF (Bad file descriptor) [pid 4092] close(25) = -1 EBADF (Bad file descriptor) [pid 4092] close(26) = -1 EBADF (Bad file descriptor) [pid 4092] close(27) = -1 EBADF (Bad file descriptor) [pid 4092] close(28) = -1 EBADF (Bad file descriptor) [pid 4092] close(29) = -1 EBADF (Bad file descriptor) [pid 4092] exit_group(0) = ? [pid 4092] +++ exited with 0 +++ [pid 4090] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4090] close(3 [pid 3617] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [ 200.497209][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888078dacc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 200.513576][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888073bcbc00: rx timeout, send abort [ 200.522063][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801b675000: rx timeout, send abort [pid 3617] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./58/binderfs") = 0 [pid 3617] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./58/cgroup") = 0 [pid 3617] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./58/cgroup.net") = 0 [pid 3617] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./58/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./58") = 0 [pid 3617] mkdir("./59", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4095 attached [pid 4095] chdir("./59" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 61 [pid 4095] <... chdir resumed>) = 0 [pid 4095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4095] setpgid(0, 0) = 0 [pid 4095] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4095] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4095] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4095] write(3, "1000", 4) = 4 [pid 4095] close(3) = 0 [pid 4095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4095] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4095] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4095] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4095] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4090] <... close resumed>) = 0 [pid 4090] close(4) = -1 EBADF (Bad file descriptor) [pid 4090] close(5) = -1 EBADF (Bad file descriptor) [pid 4090] close(6) = -1 EBADF (Bad file descriptor) [pid 4090] close(7) = -1 EBADF (Bad file descriptor) [pid 4090] close(8) = -1 EBADF (Bad file descriptor) [pid 4090] close(9) = -1 EBADF (Bad file descriptor) [pid 4090] close(10) = -1 EBADF (Bad file descriptor) [pid 4090] close(11) = -1 EBADF (Bad file descriptor) [pid 4090] close(12) = -1 EBADF (Bad file descriptor) [pid 4090] close(13) = -1 EBADF (Bad file descriptor) [pid 4090] close(14) = -1 EBADF (Bad file descriptor) [pid 4090] close(15) = -1 EBADF (Bad file descriptor) [pid 4090] close(16) = -1 EBADF (Bad file descriptor) [pid 4090] close(17) = -1 EBADF (Bad file descriptor) [pid 4090] close(18) = -1 EBADF (Bad file descriptor) [pid 4090] close(19) = -1 EBADF (Bad file descriptor) [pid 4090] close(20) = -1 EBADF (Bad file descriptor) [pid 4090] close(21) = -1 EBADF (Bad file descriptor) [ 200.604231][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073bcbc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 200.618790][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801b675000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4090] close(22) = -1 EBADF (Bad file descriptor) [pid 4090] close(23) = -1 EBADF (Bad file descriptor) [pid 4090] close(24) = -1 EBADF (Bad file descriptor) [pid 4090] close(25) = -1 EBADF (Bad file descriptor) [pid 4090] close(26) = -1 EBADF (Bad file descriptor) [pid 4090] close(27) = -1 EBADF (Bad file descriptor) [pid 4090] close(28) = -1 EBADF (Bad file descriptor) [pid 4090] close(29) = -1 EBADF (Bad file descriptor) [pid 4090] exit_group(0) = ? [pid 4090] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./61/binderfs") = 0 [pid 3619] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./61/cgroup") = 0 [pid 3619] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./61/cgroup.net") = 0 [pid 3619] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./61/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./61") = 0 [pid 3619] mkdir("./62", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4096 attached , child_tidptr=0x555556f5d5d0) = 64 [pid 4096] chdir("./62") = 0 [pid 4096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4096] setpgid(0, 0) = 0 [pid 4096] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4096] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4096] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4096] write(3, "1000", 4) = 4 [pid 4096] close(3) = 0 [pid 4096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4096] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4096] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4096] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4096] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4082] <... close resumed>) = 0 [pid 4082] close(4) = -1 EBADF (Bad file descriptor) [pid 4082] close(5) = -1 EBADF (Bad file descriptor) [pid 4082] close(6) = -1 EBADF (Bad file descriptor) [pid 4082] close(7) = -1 EBADF (Bad file descriptor) [pid 4082] close(8) = -1 EBADF (Bad file descriptor) [pid 4082] close(9) = -1 EBADF (Bad file descriptor) [pid 4082] close(10) = -1 EBADF (Bad file descriptor) [pid 4082] close(11) = -1 EBADF (Bad file descriptor) [pid 4082] close(12) = -1 EBADF (Bad file descriptor) [pid 4082] close(13) = -1 EBADF (Bad file descriptor) [pid 4082] close(14) = -1 EBADF (Bad file descriptor) [pid 4082] close(15) = -1 EBADF (Bad file descriptor) [pid 4082] close(16) = -1 EBADF (Bad file descriptor) [pid 4082] close(17) = -1 EBADF (Bad file descriptor) [pid 4082] close(18) = -1 EBADF (Bad file descriptor) [pid 4082] close(19) = -1 EBADF (Bad file descriptor) [pid 4082] close(20) = -1 EBADF (Bad file descriptor) [pid 4082] close(21) = -1 EBADF (Bad file descriptor) [pid 4082] close(22) = -1 EBADF (Bad file descriptor) [pid 4082] close(23) = -1 EBADF (Bad file descriptor) [pid 4082] close(24) = -1 EBADF (Bad file descriptor) [pid 4082] close(25) = -1 EBADF (Bad file descriptor) [pid 4082] close(26) = -1 EBADF (Bad file descriptor) [pid 4082] close(27) = -1 EBADF (Bad file descriptor) [pid 4082] close(28) = -1 EBADF (Bad file descriptor) [pid 4082] close(29) = -1 EBADF (Bad file descriptor) [pid 4082] exit_group(0) = ? [pid 4082] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3616] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./61/binderfs") = 0 [pid 3616] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./61/cgroup") = 0 [pid 3616] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./61/cgroup.net") = 0 [pid 3616] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./61/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./61") = 0 [pid 3616] mkdir("./62", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4097 attached [pid 4097] chdir("./62" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 64 [pid 4097] <... chdir resumed>) = 0 [pid 4097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4097] setpgid(0, 0) = 0 [pid 4097] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4097] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4097] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4097] write(3, "1000", 4) = 4 [pid 4097] close(3) = 0 [pid 4097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4097] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4097] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4097] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4097] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4094] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 201.358190][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b87d400: rx timeout, send abort [ 201.366605][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b87d000: rx timeout, send abort [pid 4094] close(3) = 0 [pid 4094] close(4) = -1 EBADF (Bad file descriptor) [pid 4094] close(5) = -1 EBADF (Bad file descriptor) [pid 4094] close(6) = -1 EBADF (Bad file descriptor) [pid 4094] close(7) = -1 EBADF (Bad file descriptor) [pid 4094] close(8) = -1 EBADF (Bad file descriptor) [pid 4094] close(9) = -1 EBADF (Bad file descriptor) [pid 4094] close(10) = -1 EBADF (Bad file descriptor) [pid 4094] close(11) = -1 EBADF (Bad file descriptor) [pid 4094] close(12) = -1 EBADF (Bad file descriptor) [pid 4094] close(13) = -1 EBADF (Bad file descriptor) [pid 4094] close(14) = -1 EBADF (Bad file descriptor) [pid 4094] close(15) = -1 EBADF (Bad file descriptor) [pid 4094] close(16) = -1 EBADF (Bad file descriptor) [pid 4094] close(17) = -1 EBADF (Bad file descriptor) [pid 4094] close(18) = -1 EBADF (Bad file descriptor) [pid 4094] close(19) = -1 EBADF (Bad file descriptor) [pid 4094] close(20) = -1 EBADF (Bad file descriptor) [pid 4094] close(21) = -1 EBADF (Bad file descriptor) [pid 4094] close(22) = -1 EBADF (Bad file descriptor) [pid 4094] close(23) = -1 EBADF (Bad file descriptor) [pid 4094] close(24) = -1 EBADF (Bad file descriptor) [pid 4094] close(25) = -1 EBADF (Bad file descriptor) [pid 4094] close(26) = -1 EBADF (Bad file descriptor) [pid 4094] close(27) = -1 EBADF (Bad file descriptor) [pid 4094] close(28) = -1 EBADF (Bad file descriptor) [pid 4094] close(29) = -1 EBADF (Bad file descriptor) [pid 4094] exit_group(0) = ? [pid 4094] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./68/binderfs") = 0 [pid 3618] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./68/cgroup") = 0 [pid 3618] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 201.419453][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b87d400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 201.434307][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b87d000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] unlink("./68/cgroup.net") = 0 [pid 3618] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./68/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./68") = 0 [pid 3618] mkdir("./69", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4098 attached [pid 4098] chdir("./69" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 71 [pid 4098] <... chdir resumed>) = 0 [pid 4098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4098] setpgid(0, 0) = 0 [pid 4098] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4098] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4098] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4098] write(3, "1000", 4) = 4 [pid 4098] close(3) = 0 [pid 4098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4098] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4098] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4098] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 201.499719][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801e602000: rx timeout, send abort [ 201.508279][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b87c800: rx timeout, send abort [ 201.527126][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801e602000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4098] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4093] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4093] close(3) = 0 [pid 4093] close(4) = -1 EBADF (Bad file descriptor) [pid 4093] close(5) = -1 EBADF (Bad file descriptor) [pid 4093] close(6) = -1 EBADF (Bad file descriptor) [pid 4093] close(7) = -1 EBADF (Bad file descriptor) [pid 4093] close(8) = -1 EBADF (Bad file descriptor) [pid 4093] close(9) = -1 EBADF (Bad file descriptor) [pid 4093] close(10) = -1 EBADF (Bad file descriptor) [pid 4093] close(11) = -1 EBADF (Bad file descriptor) [pid 4093] close(12) = -1 EBADF (Bad file descriptor) [pid 4093] close(13) = -1 EBADF (Bad file descriptor) [pid 4093] close(14) = -1 EBADF (Bad file descriptor) [pid 4093] close(15) = -1 EBADF (Bad file descriptor) [pid 4093] close(16) = -1 EBADF (Bad file descriptor) [pid 4093] close(17) = -1 EBADF (Bad file descriptor) [pid 4093] close(18) = -1 EBADF (Bad file descriptor) [pid 4093] close(19) = -1 EBADF (Bad file descriptor) [pid 4093] close(20) = -1 EBADF (Bad file descriptor) [pid 4093] close(21) = -1 EBADF (Bad file descriptor) [pid 4093] close(22) = -1 EBADF (Bad file descriptor) [pid 4093] close(23) = -1 EBADF (Bad file descriptor) [pid 4093] close(24) = -1 EBADF (Bad file descriptor) [pid 4093] close(25) = -1 EBADF (Bad file descriptor) [pid 4093] close(26) = -1 EBADF (Bad file descriptor) [pid 4093] close(27) = -1 EBADF (Bad file descriptor) [pid 4093] close(28) = -1 EBADF (Bad file descriptor) [pid 4093] close(29) = -1 EBADF (Bad file descriptor) [pid 4093] exit_group(0) = ? [pid 4093] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 201.541662][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b87c800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./62/binderfs") = 0 [pid 3620] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./62/cgroup") = 0 [pid 3620] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./62/cgroup.net") = 0 [pid 3620] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./62/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./62") = 0 [pid 3620] mkdir("./63", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4099 attached [pid 4099] chdir("./63" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 65 [pid 4099] <... chdir resumed>) = 0 [pid 4099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4099] setpgid(0, 0) = 0 [pid 4099] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4099] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4099] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4099] write(3, "1000", 4) = 4 [pid 4099] close(3) = 0 [pid 4099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4099] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4099] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4099] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4099] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4096] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 201.703716][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a923000: rx timeout, send abort [ 201.712157][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880695a2000: rx timeout, send abort [pid 4096] close(3) = 0 [pid 4096] close(4) = -1 EBADF (Bad file descriptor) [pid 4096] close(5) = -1 EBADF (Bad file descriptor) [pid 4096] close(6) = -1 EBADF (Bad file descriptor) [pid 4096] close(7) = -1 EBADF (Bad file descriptor) [pid 4096] close(8) = -1 EBADF (Bad file descriptor) [pid 4096] close(9) = -1 EBADF (Bad file descriptor) [pid 4096] close(10) = -1 EBADF (Bad file descriptor) [pid 4096] close(11) = -1 EBADF (Bad file descriptor) [ 201.766927][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a923000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 201.781510][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880695a2000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4096] close(12) = -1 EBADF (Bad file descriptor) [pid 4096] close(13) = -1 EBADF (Bad file descriptor) [pid 4096] close(14) = -1 EBADF (Bad file descriptor) [pid 4096] close(15) = -1 EBADF (Bad file descriptor) [pid 4096] close(16) = -1 EBADF (Bad file descriptor) [pid 4096] close(17) = -1 EBADF (Bad file descriptor) [pid 4096] close(18) = -1 EBADF (Bad file descriptor) [pid 4096] close(19) = -1 EBADF (Bad file descriptor) [pid 4096] close(20) = -1 EBADF (Bad file descriptor) [pid 4096] close(21) = -1 EBADF (Bad file descriptor) [pid 4096] close(22) = -1 EBADF (Bad file descriptor) [pid 4096] close(23) = -1 EBADF (Bad file descriptor) [pid 4096] close(24) = -1 EBADF (Bad file descriptor) [pid 4096] close(25) = -1 EBADF (Bad file descriptor) [pid 4096] close(26) = -1 EBADF (Bad file descriptor) [pid 4096] close(27) = -1 EBADF (Bad file descriptor) [pid 4096] close(28) = -1 EBADF (Bad file descriptor) [pid 4096] close(29) = -1 EBADF (Bad file descriptor) [pid 4096] exit_group(0) = ? [pid 4096] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./62/binderfs") = 0 [pid 3619] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./62/cgroup") = 0 [pid 3619] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./62/cgroup.net") = 0 [pid 3619] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./62/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./62") = 0 [pid 3619] mkdir("./63", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4100 attached , child_tidptr=0x555556f5d5d0) = 65 [pid 4100] chdir("./63") = 0 [pid 4100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4100] setpgid(0, 0) = 0 [pid 4100] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4100] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4100] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4100] write(3, "1000", 4) = 4 [pid 4100] close(3) = 0 [pid 4100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4100] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4100] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4100] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4100] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4099] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 202.698689][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807bc0d800: rx timeout, send abort [ 202.707474][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880659c7000: rx timeout, send abort [pid 4099] close(3 [pid 4089] <... close resumed>) = 0 [pid 4089] close(4) = -1 EBADF (Bad file descriptor) [pid 4089] close(5) = -1 EBADF (Bad file descriptor) [pid 4089] close(6) = -1 EBADF (Bad file descriptor) [pid 4089] close(7) = -1 EBADF (Bad file descriptor) [pid 4089] close(8) = -1 EBADF (Bad file descriptor) [pid 4089] close(9) = -1 EBADF (Bad file descriptor) [pid 4089] close(10) = -1 EBADF (Bad file descriptor) [pid 4089] close(11) = -1 EBADF (Bad file descriptor) [pid 4089] close(12) = -1 EBADF (Bad file descriptor) [pid 4089] close(13) = -1 EBADF (Bad file descriptor) [pid 4089] close(14) = -1 EBADF (Bad file descriptor) [pid 4089] close(15) = -1 EBADF (Bad file descriptor) [pid 4089] close(16) = -1 EBADF (Bad file descriptor) [pid 4089] close(17) = -1 EBADF (Bad file descriptor) [pid 4089] close(18) = -1 EBADF (Bad file descriptor) [pid 4089] close(19) = -1 EBADF (Bad file descriptor) [pid 4099] <... close resumed>) = 0 [pid 4089] close(20) = -1 EBADF (Bad file descriptor) [pid 4089] close(21) = -1 EBADF (Bad file descriptor) [pid 4089] close(22) = -1 EBADF (Bad file descriptor) [pid 4089] close(23) = -1 EBADF (Bad file descriptor) [pid 4089] close(24) = -1 EBADF (Bad file descriptor) [pid 4089] close(25) = -1 EBADF (Bad file descriptor) [pid 4089] close(26) = -1 EBADF (Bad file descriptor) [pid 4089] close(27) = -1 EBADF (Bad file descriptor) [pid 4099] close(4 [pid 4089] close(28) = -1 EBADF (Bad file descriptor) [pid 4089] close(29) = -1 EBADF (Bad file descriptor) [pid 4089] exit_group(0) = ? [pid 4089] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4099] close(5 [pid 3613] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./54/binderfs", [pid 4099] close(6 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./54/binderfs" [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./54/cgroup", [pid 4099] close(7 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./54/cgroup") = 0 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4099] close(8 [pid 3613] unlink("./54/cgroup.net") = 0 [ 202.773980][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807bc0d800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 202.788579][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880659c7000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./54/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./54" [pid 4099] close(9 [pid 3613] <... rmdir resumed>) = 0 [pid 3613] mkdir("./55", 0777 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... mkdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4101 attached [pid 4101] chdir("./55" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 57 [pid 4101] <... chdir resumed>) = 0 [pid 4101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4099] close(10 [pid 4101] <... prctl resumed>) = 0 [pid 4101] setpgid(0, 0) = 0 [pid 4100] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 202.879092][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806fb89400: rx timeout, send abort [ 202.887537][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806fb88400: rx timeout, send abort [ 202.896373][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fb89400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 202.910972][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fb88400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4100] close(3 [pid 4099] close(11 [pid 4101] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4100] <... close resumed>) = 0 [pid 4101] <... symlink resumed>) = 0 [pid 4100] close(4 [pid 4101] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4101] <... symlink resumed>) = 0 [pid 4100] close(5 [pid 4101] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4101] <... symlink resumed>) = 0 [pid 4100] close(6 [pid 4101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4101] <... openat resumed>) = 3 [pid 4100] close(7 [pid 4101] write(3, "1000", 4 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4101] <... write resumed>) = 4 [pid 4100] close(8 [pid 4101] close(3 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4101] <... close resumed>) = 0 [pid 4100] close(9 [pid 4101] symlink("/dev/binderfs", "./binderfs" [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4101] <... symlink resumed>) = 0 [pid 4100] close(10 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4101] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4101] <... socket resumed>) = 3 [pid 4100] close(11 [pid 4095] close(3 [pid 4101] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = 0 [pid 4101] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4100] close(12 [pid 4095] close(4 [pid 4101] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4099] close(12 [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4101] <... bind resumed>) = 0 [pid 4100] close(13 [pid 4095] close(5 [pid 4101] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(14 [pid 4095] close(6 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(15 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] close(7 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4099] close(13 [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(16 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] close(8 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(17 [pid 4095] close(9 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(18 [pid 4095] close(10 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(19 [pid 4095] close(11 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4099] close(14 [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(20 [pid 4095] close(12 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(21 [pid 4095] close(13 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(22 [pid 4095] close(14 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(23 [pid 4095] close(15 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(24 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] close(16 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4099] close(15 [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(25 [pid 4095] close(17 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(26 [pid 4095] close(18 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(27 [pid 4095] close(19 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 202.948286][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f9e8000: rx timeout, send abort [ 202.956782][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f9eac00: rx timeout, send abort [ 202.967555][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f9e8000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 202.982108][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f9eac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4100] close(28 [pid 4095] close(20 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] close(29 [pid 4095] close(21 [pid 4100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] exit_group(0 [pid 4095] close(22 [pid 4100] <... exit_group resumed>) = ? [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4100] +++ exited with 0 +++ [pid 4099] close(16 [pid 4095] close(23) = -1 EBADF (Bad file descriptor) [pid 4095] close(24) = -1 EBADF (Bad file descriptor) [pid 4095] close(25) = -1 EBADF (Bad file descriptor) [pid 4095] close(26) = -1 EBADF (Bad file descriptor) [pid 4095] close(27) = -1 EBADF (Bad file descriptor) [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] close(28 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] close(29) = -1 EBADF (Bad file descriptor) [pid 4095] exit_group(0) = ? [pid 4099] close(17 [pid 4095] +++ exited with 0 +++ [pid 3619] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... openat resumed>) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, [pid 4099] close(18 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4099] close(19 [pid 3619] <... openat resumed>) = 3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 3617] lstat("./59/binderfs", [pid 4099] close(20 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./59/binderfs") = 0 [pid 3617] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./59/cgroup") = 0 [pid 3617] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./59/cgroup.net") = 0 [pid 3619] getdents64(3, [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4099] close(21 [pid 3619] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./59/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./59" [pid 4099] close(22 [pid 3619] lstat("./63/binderfs", [pid 3617] <... rmdir resumed>) = 0 [pid 3617] mkdir("./60", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4102 attached [pid 4102] chdir("./60") = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 62 [pid 4102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4102] setpgid(0, 0) = 0 [pid 4102] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4102] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4102] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4102] write(3, "1000", 4) = 4 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4102] close(3) = 0 [pid 4102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4102] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4102] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4102] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4102] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4099] close(23 [pid 3619] unlink("./63/binderfs" [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4099] close(24 [pid 3619] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4099] close(25 [pid 3619] lstat("./63/cgroup", [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4099] close(26) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./63/cgroup" [pid 4099] close(27 [pid 3619] <... unlink resumed>) = 0 [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4099] close(28 [pid 3619] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4099] close(29 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./63/cgroup.net", [pid 4099] exit_group(0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4099] <... exit_group resumed>) = ? [pid 3619] unlink("./63/cgroup.net" [pid 4099] +++ exited with 0 +++ [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./63/cgroup.cpu", [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] unlink("./63/cgroup.cpu" [pid 3620] <... openat resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3620] fstat(3, [pid 3619] getdents64(3, [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] getdents64(3, [pid 3619] close(3 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... close resumed>) = 0 [pid 3620] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] rmdir("./63" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./63/binderfs", [pid 3619] <... rmdir resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] mkdir("./64", 0777 [pid 3620] unlink("./63/binderfs") = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3620] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4103 attached [pid 3620] lstat("./63/cgroup", [pid 4103] chdir("./64" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 66 [pid 4103] <... chdir resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] unlink("./63/cgroup" [pid 4103] <... prctl resumed>) = 0 [pid 4103] setpgid(0, 0 [pid 3620] <... unlink resumed>) = 0 [pid 4103] <... setpgid resumed>) = 0 [pid 4103] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3620] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4103] <... symlink resumed>) = 0 [pid 4103] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4103] <... symlink resumed>) = 0 [pid 4103] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3620] lstat("./63/cgroup.net", [pid 4103] <... symlink resumed>) = 0 [pid 4103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4103] <... openat resumed>) = 3 [pid 3620] unlink("./63/cgroup.net" [pid 4103] write(3, "1000", 4 [pid 3620] <... unlink resumed>) = 0 [pid 4103] <... write resumed>) = 4 [pid 3620] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4103] close(3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4103] <... close resumed>) = 0 [pid 3620] lstat("./63/cgroup.cpu", [pid 4103] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4103] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3620] unlink("./63/cgroup.cpu" [pid 4103] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] <... unlink resumed>) = 0 [pid 4103] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3620] getdents64(3, [pid 4103] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4103] <... bind resumed>) = 0 [pid 3620] close(3 [pid 4103] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... close resumed>) = 0 [pid 3620] rmdir("./63") = 0 [pid 3620] mkdir("./64", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4104 attached , child_tidptr=0x555556f5d5d0) = 66 [pid 4104] chdir("./64") = 0 [pid 4104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4104] setpgid(0, 0) = 0 [pid 4104] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4104] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4104] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4104] write(3, "1000", 4) = 4 [pid 4104] close(3) = 0 [pid 4104] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4104] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4104] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4104] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4104] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4098] <... sendmsg resumed>) = 106496 [pid 4098] close(3 [pid 4102] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 203.962677][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073f7f000: rx timeout, send abort [ 203.971103][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b79e400: rx timeout, send abort [pid 4102] close(3) = 0 [pid 4102] close(4) = -1 EBADF (Bad file descriptor) [pid 4102] close(5) = -1 EBADF (Bad file descriptor) [pid 4102] close(6) = -1 EBADF (Bad file descriptor) [pid 4102] close(7) = -1 EBADF (Bad file descriptor) [pid 4102] close(8) = -1 EBADF (Bad file descriptor) [pid 4102] close(9) = -1 EBADF (Bad file descriptor) [pid 4102] close(10) = -1 EBADF (Bad file descriptor) [pid 4102] close(11) = -1 EBADF (Bad file descriptor) [pid 4102] close(12) = -1 EBADF (Bad file descriptor) [pid 4102] close(13) = -1 EBADF (Bad file descriptor) [pid 4102] close(14) = -1 EBADF (Bad file descriptor) [pid 4102] close(15) = -1 EBADF (Bad file descriptor) [pid 4102] close(16) = -1 EBADF (Bad file descriptor) [pid 4102] close(17) = -1 EBADF (Bad file descriptor) [pid 4102] close(18) = -1 EBADF (Bad file descriptor) [pid 4102] close(19) = -1 EBADF (Bad file descriptor) [pid 4102] close(20) = -1 EBADF (Bad file descriptor) [pid 4102] close(21) = -1 EBADF (Bad file descriptor) [ 204.009204][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073f7f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 204.023776][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b79e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4102] close(22) = -1 EBADF (Bad file descriptor) [pid 4102] close(23) = -1 EBADF (Bad file descriptor) [pid 4102] close(24) = -1 EBADF (Bad file descriptor) [pid 4102] close(25) = -1 EBADF (Bad file descriptor) [pid 4102] close(26) = -1 EBADF (Bad file descriptor) [pid 4102] close(27) = -1 EBADF (Bad file descriptor) [pid 4102] close(28) = -1 EBADF (Bad file descriptor) [pid 4102] close(29) = -1 EBADF (Bad file descriptor) [pid 4102] exit_group(0) = ? [pid 4102] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./60/binderfs") = 0 [pid 3617] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./60/cgroup" [pid 4103] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] <... unlink resumed>) = 0 [pid 4103] close(3 [pid 3617] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 204.201807][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b642c00: rx timeout, send abort [ 204.210226][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807e768800: rx timeout, send abort [ 204.240657][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b642c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 204.241920][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b37ac00: rx timeout, send abort [ 204.255167][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807e768800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 204.263370][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b37bc00: rx timeout, send abort [ 204.278196][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065afb000: rx timeout, send abort [pid 3617] lstat("./60/cgroup.net", [pid 4104] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4104] close(3 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4097] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] unlink("./60/cgroup.net" [pid 4103] <... close resumed>) = 0 [pid 4103] close(4) = -1 EBADF (Bad file descriptor) [ 204.294778][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065afb800: rx timeout, send abort [ 204.305203][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065afb000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 204.306665][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b37ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 204.319653][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065afb800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 204.334045][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b37bc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4103] close(5 [pid 4104] <... close resumed>) = 0 [pid 4097] close(3 [pid 3617] <... unlink resumed>) = 0 [pid 4104] close(4) = -1 EBADF (Bad file descriptor) [pid 4104] close(5) = -1 EBADF (Bad file descriptor) [pid 4104] close(6) = -1 EBADF (Bad file descriptor) [pid 4104] close(7) = -1 EBADF (Bad file descriptor) [pid 4104] close(8) = -1 EBADF (Bad file descriptor) [pid 4104] close(9) = -1 EBADF (Bad file descriptor) [pid 4104] close(10) = -1 EBADF (Bad file descriptor) [pid 4104] close(11) = -1 EBADF (Bad file descriptor) [pid 4104] close(12) = -1 EBADF (Bad file descriptor) [pid 4104] close(13) = -1 EBADF (Bad file descriptor) [pid 4104] close(14) = -1 EBADF (Bad file descriptor) [pid 4104] close(15) = -1 EBADF (Bad file descriptor) [pid 4104] close(16) = -1 EBADF (Bad file descriptor) [pid 4104] close(17) = -1 EBADF (Bad file descriptor) [pid 4104] close(18) = -1 EBADF (Bad file descriptor) [pid 4104] close(19) = -1 EBADF (Bad file descriptor) [pid 4104] close(20) = -1 EBADF (Bad file descriptor) [pid 4104] close(21) = -1 EBADF (Bad file descriptor) [pid 4104] close(22) = -1 EBADF (Bad file descriptor) [pid 4104] close(23) = -1 EBADF (Bad file descriptor) [pid 4104] close(24) = -1 EBADF (Bad file descriptor) [pid 4104] close(25) = -1 EBADF (Bad file descriptor) [pid 4104] close(26) = -1 EBADF (Bad file descriptor) [pid 4104] close(27) = -1 EBADF (Bad file descriptor) [pid 4104] close(28) = -1 EBADF (Bad file descriptor) [pid 4104] close(29) = -1 EBADF (Bad file descriptor) [pid 4104] exit_group(0) = ? [pid 4104] +++ exited with 0 +++ [pid 4103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4103] close(6) = -1 EBADF (Bad file descriptor) [pid 4103] close(7) = -1 EBADF (Bad file descriptor) [pid 4103] close(8) = -1 EBADF (Bad file descriptor) [pid 4103] close(9) = -1 EBADF (Bad file descriptor) [pid 4103] close(10) = -1 EBADF (Bad file descriptor) [pid 4103] close(11 [pid 4097] <... close resumed>) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4097] close(4 [pid 4103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4103] close(12) = -1 EBADF (Bad file descriptor) [pid 4103] close(13) = -1 EBADF (Bad file descriptor) [pid 4103] close(14) = -1 EBADF (Bad file descriptor) [pid 4103] close(15) = -1 EBADF (Bad file descriptor) [pid 4103] close(16) = -1 EBADF (Bad file descriptor) [pid 4103] close(17) = -1 EBADF (Bad file descriptor) [pid 4103] close(18) = -1 EBADF (Bad file descriptor) [pid 4103] close(19) = -1 EBADF (Bad file descriptor) [pid 4103] close(20) = -1 EBADF (Bad file descriptor) [pid 4103] close(21) = -1 EBADF (Bad file descriptor) [pid 4103] close(22) = -1 EBADF (Bad file descriptor) [pid 4103] close(23) = -1 EBADF (Bad file descriptor) [pid 4103] close(24) = -1 EBADF (Bad file descriptor) [pid 4103] close(25) = -1 EBADF (Bad file descriptor) [pid 4103] close(26) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4103] close(27 [pid 3617] lstat("./60/cgroup.cpu", [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4103] close(28) = -1 EBADF (Bad file descriptor) [pid 4097] close(5 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4103] close(29 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] unlink("./60/cgroup.cpu" [pid 4097] close(6 [pid 4103] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4103] exit_group(0) = ? [pid 4103] +++ exited with 0 +++ [pid 3620] <... openat resumed>) = 3 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] fstat(3, [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] <... unlink resumed>) = 0 [pid 4097] close(7 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 4097] close(8 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(9 [pid 3620] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] close(3 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... close resumed>) = 0 [pid 4097] close(10 [pid 3620] lstat("./64/binderfs", [pid 3617] rmdir("./60" [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4097] close(11 [pid 3620] unlink("./64/binderfs" [pid 3619] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... rmdir resumed>) = 0 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(12 [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] mkdir("./61", 0777 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] <... mkdir resumed>) = 0 [pid 4097] close(13 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... openat resumed>) = 3 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] lstat("./64/cgroup", [pid 3619] fstat(3, [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4097] close(14 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 4105 attached [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] getdents64(3, [pid 4105] chdir("./61") = 0 [pid 4105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4105] setpgid(0, 0) = 0 [pid 4105] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4097] close(15 [pid 3620] unlink("./64/cgroup" [pid 4105] <... symlink resumed>) = 0 [pid 4105] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4105] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 63 [pid 4105] <... symlink resumed>) = 0 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3619] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4105] write(3, "1000", 4) = 4 [pid 4097] close(16 [pid 3620] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4105] close(3 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./64/binderfs", [pid 4105] <... close resumed>) = 0 [pid 4105] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4097] close(17 [pid 3620] lstat("./64/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./64/binderfs" [pid 4097] close(18 [pid 3620] unlink("./64/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 4105] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] <... unlink resumed>) = 0 [pid 3619] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(19 [pid 3620] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./64/cgroup", [pid 4097] close(20 [pid 3620] lstat("./64/cgroup.cpu", [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4097] close(21 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./64/cgroup" [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./64/cgroup.cpu" [pid 4105] <... socket resumed>) = 3 [pid 3619] <... unlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 4097] close(22 [pid 4105] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3619] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4105] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4105] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4105] <... bind resumed>) = 0 [pid 4097] close(23 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] lstat("./64/cgroup.net", [pid 4105] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(24 [pid 3620] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(25 [pid 3620] <... close resumed>) = 0 [pid 3619] unlink("./64/cgroup.net" [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] rmdir("./64" [pid 4097] close(26 [pid 3619] <... unlink resumed>) = 0 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... rmdir resumed>) = 0 [pid 3619] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4097] close(27 [pid 3620] mkdir("./65", 0777 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... mkdir resumed>) = 0 [pid 4097] close(28 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] lstat("./64/cgroup.cpu", [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4106 attached [pid 4097] close(29 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4106] chdir("./65" [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 67 [pid 3619] unlink("./64/cgroup.cpu" [pid 4097] exit_group(0 [pid 4106] <... chdir resumed>) = 0 [pid 4097] <... exit_group resumed>) = ? [pid 3619] <... unlink resumed>) = 0 [pid 4097] +++ exited with 0 +++ [pid 3619] getdents64(3, [pid 4106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4106] setpgid(0, 0) = 0 [pid 3619] close(3 [pid 3616] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4106] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3619] <... close resumed>) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4106] <... symlink resumed>) = 0 [pid 3619] rmdir("./64" [pid 3616] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4106] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3619] <... rmdir resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 4106] <... symlink resumed>) = 0 [pid 3619] mkdir("./65", 0777 [pid 3616] fstat(3, [pid 4106] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3619] <... mkdir resumed>) = 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4106] <... symlink resumed>) = 0 [pid 4106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] getdents64(3, ./strace-static-x86_64: Process 4107 attached [pid 4106] <... openat resumed>) = 3 [pid 4107] chdir("./65" [pid 4106] write(3, "1000", 4 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 67 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4107] <... chdir resumed>) = 0 [pid 4106] <... write resumed>) = 4 [pid 3616] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4106] close(3 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4107] <... prctl resumed>) = 0 [pid 4106] <... close resumed>) = 0 [pid 3616] lstat("./62/binderfs", [pid 4107] setpgid(0, 0 [pid 4106] symlink("/dev/binderfs", "./binderfs" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4107] <... setpgid resumed>) = 0 [pid 4101] <... sendmsg resumed>) = 106496 [pid 4101] close(3 [pid 4107] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4106] <... symlink resumed>) = 0 [pid 3616] unlink("./62/binderfs" [pid 4107] <... symlink resumed>) = 0 [pid 4106] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3616] <... unlink resumed>) = 0 [pid 4107] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4106] <... socket resumed>) = 3 [pid 3616] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4107] <... symlink resumed>) = 0 [pid 4106] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4107] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4107] <... symlink resumed>) = 0 [pid 4106] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3616] lstat("./62/cgroup", [pid 4107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4106] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4107] <... openat resumed>) = 3 [pid 4106] <... bind resumed>) = 0 [pid 3616] unlink("./62/cgroup" [pid 4106] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4107] write(3, "1000", 4 [pid 3616] <... unlink resumed>) = 0 [pid 4107] <... write resumed>) = 4 [pid 3616] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4107] close(3 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4107] <... close resumed>) = 0 [pid 3616] lstat("./62/cgroup.net", [pid 4107] symlink("/dev/binderfs", "./binderfs" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./62/cgroup.net" [pid 4107] <... symlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 4107] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3616] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4107] <... socket resumed>) = 3 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4107] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3616] lstat("./62/cgroup.cpu", [pid 4107] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4107] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3616] unlink("./62/cgroup.cpu" [pid 4107] <... bind resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 4107] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./62") = 0 [pid 3616] mkdir("./63", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4108 attached [pid 4108] chdir("./63" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 65 [pid 4108] <... chdir resumed>) = 0 [pid 4108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4108] setpgid(0, 0) = 0 [pid 4108] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4108] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4108] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4108] write(3, "1000", 4) = 4 [pid 4108] close(3) = 0 [pid 4108] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4108] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4108] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4108] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4108] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4098] <... close resumed>) = 0 [pid 4105] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4098] close(4 [pid 4105] close(3 [pid 4098] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 205.339343][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a923400: rx timeout, send abort [ 205.347752][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807a923c00: rx timeout, send abort [pid 4098] close(5) = -1 EBADF (Bad file descriptor) [pid 4098] close(6) = -1 EBADF (Bad file descriptor) [pid 4098] close(7) = -1 EBADF (Bad file descriptor) [pid 4098] close(8) = -1 EBADF (Bad file descriptor) [pid 4098] close(9) = -1 EBADF (Bad file descriptor) [pid 4098] close(10) = -1 EBADF (Bad file descriptor) [pid 4098] close(11) = -1 EBADF (Bad file descriptor) [pid 4098] close(12) = -1 EBADF (Bad file descriptor) [pid 4098] close(13) = -1 EBADF (Bad file descriptor) [pid 4098] close(14) = -1 EBADF (Bad file descriptor) [pid 4098] close(15) = -1 EBADF (Bad file descriptor) [pid 4098] close(16) = -1 EBADF (Bad file descriptor) [pid 4098] close(17) = -1 EBADF (Bad file descriptor) [pid 4098] close(18) = -1 EBADF (Bad file descriptor) [pid 4098] close(19) = -1 EBADF (Bad file descriptor) [pid 4098] close(20) = -1 EBADF (Bad file descriptor) [pid 4098] close(21) = -1 EBADF (Bad file descriptor) [pid 4098] close(22) = -1 EBADF (Bad file descriptor) [pid 4098] close(23) = -1 EBADF (Bad file descriptor) [pid 4098] close(24) = -1 EBADF (Bad file descriptor) [pid 4098] close(25) = -1 EBADF (Bad file descriptor) [pid 4098] close(26) = -1 EBADF (Bad file descriptor) [pid 4098] close(27) = -1 EBADF (Bad file descriptor) [pid 4098] close(28) = -1 EBADF (Bad file descriptor) [pid 4098] close(29) = -1 EBADF (Bad file descriptor) [pid 4098] exit_group(0) = ? [pid 4098] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3618] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./69/binderfs") = 0 [pid 3618] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./69/cgroup") = 0 [pid 4105] <... close resumed>) = 0 [pid 3618] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4105] close(4 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./69/cgroup.net", [pid 4105] close(5 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./69/cgroup.net" [ 205.423602][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a923400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 205.438174][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a923c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4105] close(6 [pid 3618] <... unlink resumed>) = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4105] close(7 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./69/cgroup.cpu", [pid 4105] close(8 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./69/cgroup.cpu") = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4105] close(9 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] close(3 [pid 4105] close(10 [pid 3618] <... close resumed>) = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] rmdir("./69" [pid 4105] close(11 [pid 3618] <... rmdir resumed>) = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] mkdir("./70", 0777 [pid 4105] close(12 [pid 3618] <... mkdir resumed>) = 0 [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4105] close(13) = -1 EBADF (Bad file descriptor) [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 72 ./strace-static-x86_64: Process 4109 attached [pid 4105] close(14 [pid 4109] chdir("./70" [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] close(15) = -1 EBADF (Bad file descriptor) [pid 4105] close(16) = -1 EBADF (Bad file descriptor) [pid 4105] close(17) = -1 EBADF (Bad file descriptor) [pid 4105] close(18) = -1 EBADF (Bad file descriptor) [pid 4109] <... chdir resumed>) = 0 [pid 4105] close(19) = -1 EBADF (Bad file descriptor) [pid 4105] close(20 [pid 4109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] close(21) = -1 EBADF (Bad file descriptor) [pid 4109] <... prctl resumed>) = 0 [pid 4105] close(22) = -1 EBADF (Bad file descriptor) [pid 4109] setpgid(0, 0 [pid 4105] close(23) = -1 EBADF (Bad file descriptor) [pid 4105] close(24) = -1 EBADF (Bad file descriptor) [pid 4105] close(25) = -1 EBADF (Bad file descriptor) [pid 4105] close(26) = -1 EBADF (Bad file descriptor) [pid 4105] close(27 [pid 4109] <... setpgid resumed>) = 0 [pid 4106] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4106] close(3 [pid 4105] close(28) = -1 EBADF (Bad file descriptor) [pid 4105] close(29) = -1 EBADF (Bad file descriptor) [pid 4105] exit_group(0) = ? [pid 4105] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4109] <... symlink resumed>) = 0 [pid 3617] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4109] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4109] <... symlink resumed>) = 0 [pid 3617] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./61/binderfs" [pid 4109] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4109] <... symlink resumed>) = 0 [pid 3617] unlink("./61/cgroup") = 0 [pid 3617] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./61/cgroup.net" [pid 4109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... unlink resumed>) = 0 [ 205.593381][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880668dfc00: rx timeout, send abort [ 205.601808][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880652f9800: rx timeout, send abort [pid 3617] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4109] <... openat resumed>) = 3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4109] write(3, "1000", 4 [pid 3617] lstat("./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./61/cgroup.cpu" [pid 4109] <... write resumed>) = 4 [pid 3617] <... unlink resumed>) = 0 [pid 4109] close(3 [pid 4106] <... close resumed>) = 0 [pid 3617] getdents64(3, [pid 4106] close(4 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] close(3 [pid 4106] close(5 [pid 3617] <... close resumed>) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] rmdir("./61" [pid 4106] close(6 [pid 3617] <... rmdir resumed>) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] mkdir("./62", 0777 [pid 4106] close(7 [pid 3617] <... mkdir resumed>) = 0 [pid 4109] <... close resumed>) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4106] close(8./strace-static-x86_64: Process 4110 attached [pid 4109] symlink("/dev/binderfs", "./binderfs" [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 64 [pid 4106] close(9) = -1 EBADF (Bad file descriptor) [pid 4106] close(10) = -1 EBADF (Bad file descriptor) [pid 4106] close(11 [pid 4109] <... symlink resumed>) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] chdir("./62" [pid 4109] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4106] close(12) = -1 EBADF (Bad file descriptor) [pid 4106] close(13) = -1 EBADF (Bad file descriptor) [pid 4106] close(14) = -1 EBADF (Bad file descriptor) [pid 4110] <... chdir resumed>) = 0 [pid 4109] <... socket resumed>) = 3 [pid 4106] close(15 [pid 4110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4109] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] <... prctl resumed>) = 0 [pid 4106] close(16) = -1 EBADF (Bad file descriptor) [pid 4106] close(17) = -1 EBADF (Bad file descriptor) [pid 4110] setpgid(0, 0 [pid 4109] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4106] close(18 [pid 4110] <... setpgid resumed>) = 0 [pid 4109] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(19) = -1 EBADF (Bad file descriptor) [pid 4106] close(20 [pid 4110] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4109] <... bind resumed>) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 205.660394][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880668dfc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 205.674964][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880652f9800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4106] close(21 [pid 4110] <... symlink resumed>) = 0 [pid 4109] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4106] close(22 [pid 4110] <... symlink resumed>) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4106] close(23 [pid 4110] <... symlink resumed>) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4106] close(24) = -1 EBADF (Bad file descriptor) [pid 4106] close(25) = -1 EBADF (Bad file descriptor) [pid 4106] close(26) = -1 EBADF (Bad file descriptor) [pid 4106] close(27) = -1 EBADF (Bad file descriptor) [pid 4106] close(28) = -1 EBADF (Bad file descriptor) [pid 4106] close(29 [pid 4110] <... openat resumed>) = 3 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] exit_group(0) = ? [pid 4110] write(3, "1000", 4 [pid 4108] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4106] +++ exited with 0 +++ [pid 4110] <... write resumed>) = 4 [pid 4108] close(3 [pid 4110] close(3 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4110] <... close resumed>) = 0 [pid 3620] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4110] symlink("/dev/binderfs", "./binderfs" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 205.764102][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076389400: rx timeout, send abort [ 205.772571][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807638b000: rx timeout, send abort [pid 3620] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4110] <... symlink resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 4110] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./65/binderfs") = 0 [pid 3620] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./65/cgroup") = 0 [pid 3620] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./65/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4110] <... socket resumed>) = 3 [pid 4108] <... close resumed>) = 0 [pid 3620] unlink("./65/cgroup.net") = 0 [pid 3620] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./65/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./65/cgroup.cpu") = 0 [pid 4110] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4108] close(4 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./65") = 0 [pid 3620] mkdir("./66", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 68 [pid 4110] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4111 attached [pid 4110] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [ 205.806947][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076389400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 205.821495][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807638b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4108] close(5 [pid 4111] chdir("./66" [pid 4110] <... bind resumed>) = 0 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... chdir resumed>) = 0 [pid 4108] close(6 [pid 4111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4110] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... prctl resumed>) = 0 [pid 4111] setpgid(0, 0 [pid 4108] close(7 [pid 4111] <... setpgid resumed>) = 0 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4108] close(8 [pid 4111] <... symlink resumed>) = 0 [pid 4111] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... symlink resumed>) = 0 [pid 4108] close(9 [pid 4111] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... symlink resumed>) = 0 [pid 4108] close(10 [pid 4111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... openat resumed>) = 3 [pid 4108] close(11) = -1 EBADF (Bad file descriptor) [pid 4111] write(3, "1000", 4 [pid 4108] close(12 [pid 4111] <... write resumed>) = 4 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] close(3 [pid 4108] close(13 [pid 4111] <... close resumed>) = 0 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] symlink("/dev/binderfs", "./binderfs" [pid 4108] close(14 [pid 4111] <... symlink resumed>) = 0 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4108] close(15 [pid 4111] <... socket resumed>) = 3 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4108] close(16 [pid 4111] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4108] close(17 [pid 4111] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4111] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4108] close(18) = -1 EBADF (Bad file descriptor) [pid 4108] close(19) = -1 EBADF (Bad file descriptor) [pid 4108] close(20) = -1 EBADF (Bad file descriptor) [pid 4108] close(21) = -1 EBADF (Bad file descriptor) [pid 4108] close(22) = -1 EBADF (Bad file descriptor) [pid 4108] close(23) = -1 EBADF (Bad file descriptor) [pid 4108] close(24) = -1 EBADF (Bad file descriptor) [pid 4108] close(25) = -1 EBADF (Bad file descriptor) [pid 4108] close(26) = -1 EBADF (Bad file descriptor) [pid 4108] close(27) = -1 EBADF (Bad file descriptor) [pid 4108] close(28) = -1 EBADF (Bad file descriptor) [pid 4108] close(29) = -1 EBADF (Bad file descriptor) [pid 4108] exit_group(0) = ? [pid 4108] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./63/binderfs") = 0 [pid 3616] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./63/cgroup") = 0 [pid 3616] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./63/cgroup.net") = 0 [pid 3616] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./63/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./63") = 0 [pid 3616] mkdir("./64", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4112 attached , child_tidptr=0x555556f5d5d0) = 66 [pid 4112] chdir("./64") = 0 [pid 4112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4112] setpgid(0, 0) = 0 [pid 4112] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4112] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4112] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4112] write(3, "1000", 4) = 4 [pid 4112] close(3) = 0 [pid 4112] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4112] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4112] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4112] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4112] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4107] <... sendmsg resumed>) = 106496 [pid 4107] close(3 [pid 4110] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 206.843410][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f095000: rx timeout, send abort [ 206.852019][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888067f12c00: rx timeout, send abort [pid 4110] close(3) = 0 [pid 4110] close(4) = -1 EBADF (Bad file descriptor) [pid 4110] close(5) = -1 EBADF (Bad file descriptor) [pid 4110] close(6) = -1 EBADF (Bad file descriptor) [pid 4110] close(7) = -1 EBADF (Bad file descriptor) [pid 4110] close(8) = -1 EBADF (Bad file descriptor) [ 206.907526][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f095000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 206.922064][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888067f12c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4110] close(9) = -1 EBADF (Bad file descriptor) [pid 4110] close(10) = -1 EBADF (Bad file descriptor) [pid 4110] close(11) = -1 EBADF (Bad file descriptor) [pid 4110] close(12) = -1 EBADF (Bad file descriptor) [pid 4110] close(13) = -1 EBADF (Bad file descriptor) [pid 4110] close(14) = -1 EBADF (Bad file descriptor) [pid 4110] close(15) = -1 EBADF (Bad file descriptor) [pid 4110] close(16) = -1 EBADF (Bad file descriptor) [pid 4110] close(17) = -1 EBADF (Bad file descriptor) [pid 4110] close(18) = -1 EBADF (Bad file descriptor) [pid 4110] close(19) = -1 EBADF (Bad file descriptor) [pid 4110] close(20) = -1 EBADF (Bad file descriptor) [pid 4110] close(21) = -1 EBADF (Bad file descriptor) [pid 4110] close(22) = -1 EBADF (Bad file descriptor) [pid 4110] close(23) = -1 EBADF (Bad file descriptor) [pid 4110] close(24) = -1 EBADF (Bad file descriptor) [pid 4110] close(25) = -1 EBADF (Bad file descriptor) [pid 4110] close(26) = -1 EBADF (Bad file descriptor) [pid 4110] close(27) = -1 EBADF (Bad file descriptor) [pid 4110] close(28) = -1 EBADF (Bad file descriptor) [pid 4110] close(29) = -1 EBADF (Bad file descriptor) [pid 4110] exit_group(0) = ? [pid 4110] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3617] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./62/binderfs") = 0 [pid 3617] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./62/cgroup") = 0 [pid 3617] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./62/cgroup.net") = 0 [pid 3617] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./62/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./62") = 0 [pid 3617] mkdir("./63", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4113 attached , child_tidptr=0x555556f5d5d0) = 65 [pid 4113] chdir("./63") = 0 [pid 4113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4113] setpgid(0, 0) = 0 [pid 4113] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4113] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4113] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4113] write(3, "1000", 4) = 4 [pid 4113] close(3) = 0 [pid 4113] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4113] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4113] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4113] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4113] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4101] <... close resumed>) = 0 [pid 4101] close(4) = -1 EBADF (Bad file descriptor) [pid 4101] close(5) = -1 EBADF (Bad file descriptor) [pid 4101] close(6) = -1 EBADF (Bad file descriptor) [pid 4101] close(7) = -1 EBADF (Bad file descriptor) [pid 4101] close(8) = -1 EBADF (Bad file descriptor) [pid 4101] close(9) = -1 EBADF (Bad file descriptor) [pid 4101] close(10) = -1 EBADF (Bad file descriptor) [pid 4101] close(11) = -1 EBADF (Bad file descriptor) [pid 4101] close(12) = -1 EBADF (Bad file descriptor) [pid 4101] close(13) = -1 EBADF (Bad file descriptor) [pid 4101] close(14) = -1 EBADF (Bad file descriptor) [pid 4101] close(15) = -1 EBADF (Bad file descriptor) [pid 4101] close(16) = -1 EBADF (Bad file descriptor) [pid 4101] close(17) = -1 EBADF (Bad file descriptor) [pid 4101] close(18) = -1 EBADF (Bad file descriptor) [pid 4101] close(19) = -1 EBADF (Bad file descriptor) [pid 4101] close(20) = -1 EBADF (Bad file descriptor) [pid 4101] close(21) = -1 EBADF (Bad file descriptor) [pid 4101] close(22) = -1 EBADF (Bad file descriptor) [pid 4101] close(23) = -1 EBADF (Bad file descriptor) [pid 4101] close(24) = -1 EBADF (Bad file descriptor) [pid 4101] close(25) = -1 EBADF (Bad file descriptor) [pid 4101] close(26) = -1 EBADF (Bad file descriptor) [pid 4101] close(27) = -1 EBADF (Bad file descriptor) [pid 4101] close(28) = -1 EBADF (Bad file descriptor) [pid 4101] close(29) = -1 EBADF (Bad file descriptor) [pid 4101] exit_group(0) = ? [pid 4101] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./55/binderfs") = 0 [pid 3613] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./55/cgroup") = 0 [pid 3613] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./55/cgroup.net") = 0 [pid 3613] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./55/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./55") = 0 [pid 3613] mkdir("./56", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4114 attached [pid 4114] chdir("./56" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 58 [pid 4114] <... chdir resumed>) = 0 [pid 4114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4114] setpgid(0, 0) = 0 [pid 4114] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4114] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4114] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4114] write(3, "1000", 4) = 4 [pid 4114] close(3) = 0 [pid 4114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4114] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4114] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4114] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 208.328077][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068fde800: rx timeout, send abort [ 208.336508][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068fdf800: rx timeout, send abort [ 208.358335][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068fde800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4114] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4113] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4113] close(3) = 0 [pid 4113] close(4) = -1 EBADF (Bad file descriptor) [pid 4113] close(5) = -1 EBADF (Bad file descriptor) [pid 4113] close(6) = -1 EBADF (Bad file descriptor) [pid 4113] close(7) = -1 EBADF (Bad file descriptor) [pid 4113] close(8) = -1 EBADF (Bad file descriptor) [pid 4113] close(9) = -1 EBADF (Bad file descriptor) [pid 4113] close(10) = -1 EBADF (Bad file descriptor) [pid 4113] close(11) = -1 EBADF (Bad file descriptor) [pid 4113] close(12) = -1 EBADF (Bad file descriptor) [pid 4113] close(13) = -1 EBADF (Bad file descriptor) [pid 4113] close(14) = -1 EBADF (Bad file descriptor) [pid 4113] close(15) = -1 EBADF (Bad file descriptor) [pid 4113] close(16) = -1 EBADF (Bad file descriptor) [pid 4113] close(17) = -1 EBADF (Bad file descriptor) [pid 4113] close(18) = -1 EBADF (Bad file descriptor) [pid 4113] close(19) = -1 EBADF (Bad file descriptor) [pid 4113] close(20) = -1 EBADF (Bad file descriptor) [pid 4113] close(21) = -1 EBADF (Bad file descriptor) [pid 4113] close(22) = -1 EBADF (Bad file descriptor) [ 208.372863][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068fdf800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 208.416674][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888079735800: rx timeout, send abort [ 208.425069][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888079734400: rx timeout, send abort [ 208.445312][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888079735800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 208.449956][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068e3ec00: rx timeout, send abort [pid 4113] close(23) = -1 EBADF (Bad file descriptor) [pid 4113] close(24) = -1 EBADF (Bad file descriptor) [pid 4113] close(25) = -1 EBADF (Bad file descriptor) [pid 4113] close(26) = -1 EBADF (Bad file descriptor) [pid 4113] close(27) = -1 EBADF (Bad file descriptor) [pid 4113] close(28) = -1 EBADF (Bad file descriptor) [pid 4113] close(29) = -1 EBADF (Bad file descriptor) [pid 4113] exit_group(0) = ? [pid 4113] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4111] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4114] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4111] close(3 [pid 3617] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4114] close(3 [pid 3617] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4111] <... close resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4111] close(4 [pid 3617] lstat("./63/binderfs", [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./63/binderfs") = 0 [pid 3617] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./63/cgroup") = 0 [pid 3617] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./63/cgroup.net") = 0 [pid 3617] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./63/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3 [pid 4111] close(5 [pid 3617] <... close resumed>) = 0 [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] rmdir("./63") = 0 [pid 3617] mkdir("./64", 0777) = 0 [pid 4111] close(6 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4115 attached [pid 4115] chdir("./64" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 66 [pid 4115] <... chdir resumed>) = 0 [pid 4115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4115] setpgid(0, 0) = 0 [pid 4115] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4111] close(7 [pid 4115] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4115] write(3, "1000", 4) = 4 [pid 4115] close(3) = 0 [pid 4115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4115] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4115] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4115] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 208.459779][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888079734400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 208.468030][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801d1ac400: rx timeout, send abort [pid 4115] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4111] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4111] close(8) = -1 EBADF (Bad file descriptor) [pid 4111] close(9) = -1 EBADF (Bad file descriptor) [pid 4111] close(10) = -1 EBADF (Bad file descriptor) [pid 4111] close(11) = -1 EBADF (Bad file descriptor) [pid 4111] close(12) = -1 EBADF (Bad file descriptor) [pid 4111] close(13) = -1 EBADF (Bad file descriptor) [pid 4111] close(14) = -1 EBADF (Bad file descriptor) [pid 4111] close(15) = -1 EBADF (Bad file descriptor) [pid 4111] close(16) = -1 EBADF (Bad file descriptor) [pid 4111] close(17) = -1 EBADF (Bad file descriptor) [pid 4111] close(18) = -1 EBADF (Bad file descriptor) [pid 4111] close(19) = -1 EBADF (Bad file descriptor) [pid 4111] close(20) = -1 EBADF (Bad file descriptor) [pid 4111] close(21) = -1 EBADF (Bad file descriptor) [pid 4111] close(22) = -1 EBADF (Bad file descriptor) [pid 4111] close(23) = -1 EBADF (Bad file descriptor) [pid 4111] close(24) = -1 EBADF (Bad file descriptor) [pid 4111] close(25) = -1 EBADF (Bad file descriptor) [pid 4111] close(26) = -1 EBADF (Bad file descriptor) [pid 4111] close(27) = -1 EBADF (Bad file descriptor) [pid 4111] close(28) = -1 EBADF (Bad file descriptor) [pid 4111] close(29) = -1 EBADF (Bad file descriptor) [pid 4111] exit_group(0) = ? [pid 4111] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./66/binderfs" [pid 4114] <... close resumed>) = 0 [pid 4107] <... close resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4114] close(4 [pid 3620] unlink("./66/cgroup" [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] close(4 [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./66/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./66/cgroup.net") = 0 [pid 3620] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./66/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./66/cgroup.cpu" [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 4114] close(5 [pid 4107] close(5 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 4114] close(6 [pid 4107] close(6 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./66") = 0 [pid 3620] mkdir("./67", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4116 attached [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] chdir("./67" [pid 4114] close(7 [pid 4107] close(7 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 69 [pid 4116] <... chdir resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4114] close(8 [pid 4107] close(8 [pid 4116] <... prctl resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] setpgid(0, 0 [pid 4114] close(9 [pid 4107] close(9 [pid 4116] <... setpgid resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 208.608264][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068e3ec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 208.623233][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d1ac400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4116] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4114] close(10 [pid 4107] close(10 [pid 4116] <... symlink resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4114] close(11 [pid 4107] close(11 [pid 4116] <... symlink resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4114] close(12 [pid 4107] close(12 [pid 4116] <... symlink resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4114] close(13 [pid 4107] close(13 [pid 4116] <... openat resumed>) = 3 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] write(3, "1000", 4 [pid 4114] close(14 [pid 4107] close(14 [pid 4116] <... write resumed>) = 4 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] close(3 [pid 4114] close(15 [pid 4107] close(15 [pid 4116] <... close resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] symlink("/dev/binderfs", "./binderfs" [pid 4114] close(16 [pid 4107] close(16 [pid 4116] <... symlink resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4114] close(17 [pid 4107] close(17 [pid 4116] <... socket resumed>) = 3 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... sendmsg resumed>) = 106496 [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4114] close(18 [pid 4107] close(18 [pid 4116] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4114] close(19 [pid 4107] close(19 [pid 4116] <... bind resumed>) = 0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4116] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4114] close(20 [pid 4107] close(20 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(3 [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(21 [pid 4107] close(21 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(22 [pid 4107] close(22 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(23 [pid 4107] close(23 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(24 [pid 4107] close(24 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(25 [pid 4107] close(25 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(26 [pid 4107] close(26 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(27 [pid 4107] close(27 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(28 [pid 4107] close(28 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(29 [pid 4107] close(29 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] exit_group(0 [pid 4107] exit_group(0 [pid 4114] <... exit_group resumed>) = ? [pid 4107] <... exit_group resumed>) = ? [pid 4114] +++ exited with 0 +++ [pid 4107] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... openat resumed>) = 3 [pid 3613] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 3613] fstat(3, [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, [pid 3613] getdents64(3, [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./65/binderfs", [pid 3613] lstat("./56/binderfs", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./65/binderfs" [pid 3613] unlink("./56/binderfs" [pid 3619] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3619] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./65/cgroup", [pid 3613] lstat("./56/cgroup", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./65/cgroup" [pid 3613] unlink("./56/cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3619] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./65/cgroup.net", [pid 3613] lstat("./56/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./65/cgroup.net" [pid 3613] unlink("./56/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3619] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./65/cgroup.cpu", [pid 3613] lstat("./56/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./65/cgroup.cpu" [pid 3613] unlink("./56/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3613] getdents64(3, [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 3613] close(3 [pid 3619] <... close resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3619] rmdir("./65" [pid 3613] rmdir("./56" [pid 3619] <... rmdir resumed>) = 0 [pid 3613] <... rmdir resumed>) = 0 [pid 3619] mkdir("./66", 0777 [pid 3613] mkdir("./57", 0777 [pid 3619] <... mkdir resumed>) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4118 attached ./strace-static-x86_64: Process 4117 attached [pid 4118] chdir("./57" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 68 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 59 [pid 4118] <... chdir resumed>) = 0 [pid 4117] chdir("./66" [pid 4118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4117] <... chdir resumed>) = 0 [pid 4118] <... prctl resumed>) = 0 [pid 4117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4118] setpgid(0, 0 [pid 4117] <... prctl resumed>) = 0 [pid 4118] <... setpgid resumed>) = 0 [pid 4117] setpgid(0, 0 [pid 4118] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4117] <... setpgid resumed>) = 0 [pid 4118] <... symlink resumed>) = 0 [pid 4117] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4118] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4117] <... symlink resumed>) = 0 [pid 4118] <... symlink resumed>) = 0 [pid 4117] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4118] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4117] <... symlink resumed>) = 0 [pid 4118] <... symlink resumed>) = 0 [pid 4117] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4118] write(3, "1000", 4) = 4 [pid 4118] close(3) = 0 [pid 4117] <... symlink resumed>) = 0 [pid 4118] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4118] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4118] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4118] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4118] <... bind resumed>) = 0 [pid 4117] <... openat resumed>) = 3 [pid 4118] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4117] write(3, "1000", 4) = 4 [pid 4117] close(3) = 0 [pid 4117] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4117] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4117] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4117] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4117] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4112] <... sendmsg resumed>) = 106496 [pid 4112] close(3 [pid 4115] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 209.489651][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a990000: rx timeout, send abort [ 209.498070][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888075c1a000: rx timeout, send abort [ 209.518236][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a990000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4115] close(3) = 0 [pid 4115] close(4) = -1 EBADF (Bad file descriptor) [pid 4115] close(5) = -1 EBADF (Bad file descriptor) [pid 4115] close(6) = -1 EBADF (Bad file descriptor) [ 209.532831][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075c1a000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 209.557642][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077fb6c00: rx timeout, send abort [ 209.566071][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077fb6800: rx timeout, send abort [pid 4115] close(7) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = 0 [pid 4115] close(8 [pid 4109] close(4 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(9 [pid 4109] close(5 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(10 [pid 4109] close(6 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(11 [pid 4109] close(7 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 209.612674][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077fb6c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 209.627189][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077fb6800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4115] close(12 [pid 4109] close(8 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(13 [pid 4109] close(9 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(14) = -1 EBADF (Bad file descriptor) [pid 4109] close(10 [pid 4115] close(15 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(11 [pid 4115] close(16 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(12 [pid 4115] close(17 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(13 [pid 4115] close(18 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(14 [pid 4115] close(19 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(15 [pid 4115] close(20 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(16 [pid 4115] close(21 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(17 [pid 4115] close(22 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(18 [pid 4115] close(23 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(19 [pid 4115] close(24 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(20 [pid 4115] close(25 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(21 [pid 4115] close(26 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(22 [pid 4115] close(27 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(23 [pid 4115] close(28 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(24 [pid 4115] close(29 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(25 [pid 4115] exit_group(0 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] <... exit_group resumed>) = ? [pid 4109] close(26 [pid 4115] +++ exited with 0 +++ [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(27 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 4109] close(28 [pid 3617] <... restart_syscall resumed>) = 0 [pid 4109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4109] close(29) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4109] exit_group(0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4109] <... exit_group resumed>) = ? [pid 3617] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4109] +++ exited with 0 +++ [pid 3617] <... openat resumed>) = 3 [pid 3617] fstat(3, [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 3617] getdents64(3, [pid 3618] <... restart_syscall resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] lstat("./64/binderfs", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] unlink("./64/binderfs" [pid 3618] <... openat resumed>) = 3 [pid 3617] <... unlink resumed>) = 0 [pid 3618] fstat(3, [pid 3617] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./64/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./64/cgroup") = 0 [pid 3617] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./64/cgroup.net" [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... unlink resumed>) = 0 [pid 3618] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./70/binderfs", [pid 3617] lstat("./64/cgroup.cpu", [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./70/binderfs" [pid 3617] unlink("./64/cgroup.cpu" [pid 3618] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3618] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] getdents64(3, [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] lstat("./70/cgroup", [pid 3617] close(3 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] <... close resumed>) = 0 [pid 3618] unlink("./70/cgroup" [ 209.802416][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a33bc00: rx timeout, send abort [ 209.810857][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807288f000: rx timeout, send abort [ 209.835364][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a33bc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] rmdir("./64" [pid 4118] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3618] <... unlink resumed>) = 0 [pid 3617] <... rmdir resumed>) = 0 [pid 3618] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] mkdir("./65", 0777 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... mkdir resumed>) = 0 [pid 3618] lstat("./70/cgroup.net", [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4119 attached [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4119] chdir("./65" [pid 3618] unlink("./70/cgroup.net" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 67 [pid 4119] <... chdir resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 4119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4119] <... prctl resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4119] setpgid(0, 0 [pid 3618] lstat("./70/cgroup.cpu", [pid 4119] <... setpgid resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4119] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3618] unlink("./70/cgroup.cpu" [pid 4119] <... symlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 4119] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3618] getdents64(3, [pid 4119] <... symlink resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4119] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3618] close(3 [pid 4119] <... symlink resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 4119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] rmdir("./70" [pid 4119] <... openat resumed>) = 3 [pid 3618] <... rmdir resumed>) = 0 [pid 4119] write(3, "1000", 4 [pid 3618] mkdir("./71", 0777 [pid 4119] <... write resumed>) = 4 [pid 3618] <... mkdir resumed>) = 0 [pid 4119] close(3 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4120 attached [pid 4119] <... close resumed>) = 0 [pid 4120] chdir("./71" [pid 4119] symlink("/dev/binderfs", "./binderfs" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 73 [pid 4120] <... chdir resumed>) = 0 [pid 4119] <... symlink resumed>) = 0 [pid 4120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4119] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4120] <... prctl resumed>) = 0 [pid 4119] <... socket resumed>) = 3 [pid 4120] setpgid(0, 0 [pid 4119] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4120] <... setpgid resumed>) = 0 [pid 4119] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4120] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4119] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4120] <... symlink resumed>) = 0 [pid 4119] <... bind resumed>) = 0 [pid 4120] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4119] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4120] <... symlink resumed>) = 0 [pid 4120] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4118] close(3 [pid 4120] write(3, "1000", 4 [pid 4118] <... close resumed>) = 0 [pid 4120] <... write resumed>) = 4 [pid 4118] close(4 [pid 4120] close(3 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4120] <... close resumed>) = 0 [pid 4118] close(5 [pid 4120] symlink("/dev/binderfs", "./binderfs" [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4120] <... symlink resumed>) = 0 [pid 4118] close(6 [pid 4120] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 209.849919][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807288f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4120] <... socket resumed>) = 3 [pid 4118] close(7 [pid 4120] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4120] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4118] close(8 [pid 4120] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4120] <... bind resumed>) = 0 [pid 4120] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4118] close(9) = -1 EBADF (Bad file descriptor) [pid 4118] close(10) = -1 EBADF (Bad file descriptor) [pid 4118] close(11) = -1 EBADF (Bad file descriptor) [pid 4118] close(12) = -1 EBADF (Bad file descriptor) [pid 4118] close(13) = -1 EBADF (Bad file descriptor) [pid 4118] close(14) = -1 EBADF (Bad file descriptor) [pid 4118] close(15) = -1 EBADF (Bad file descriptor) [pid 4118] close(16) = -1 EBADF (Bad file descriptor) [pid 4118] close(17) = -1 EBADF (Bad file descriptor) [pid 4118] close(18) = -1 EBADF (Bad file descriptor) [pid 4118] close(19) = -1 EBADF (Bad file descriptor) [pid 4118] close(20) = -1 EBADF (Bad file descriptor) [pid 4118] close(21) = -1 EBADF (Bad file descriptor) [pid 4118] close(22) = -1 EBADF (Bad file descriptor) [pid 4118] close(23) = -1 EBADF (Bad file descriptor) [pid 4118] close(24) = -1 EBADF (Bad file descriptor) [pid 4118] close(25) = -1 EBADF (Bad file descriptor) [pid 4118] close(26) = -1 EBADF (Bad file descriptor) [pid 4118] close(27) = -1 EBADF (Bad file descriptor) [pid 4118] close(28) = -1 EBADF (Bad file descriptor) [pid 4118] close(29) = -1 EBADF (Bad file descriptor) [pid 4118] exit_group(0) = ? [pid 4118] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./57/binderfs") = 0 [pid 3613] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./57/cgroup") = 0 [pid 3613] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./57/cgroup.net") = 0 [pid 3613] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./57/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./57") = 0 [pid 3613] mkdir("./58", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 60 ./strace-static-x86_64: Process 4121 attached [pid 4121] chdir("./58") = 0 [pid 4121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4121] setpgid(0, 0) = 0 [pid 4121] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4121] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4121] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4121] write(3, "1000", 4) = 4 [pid 4121] close(3) = 0 [pid 4121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4121] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4121] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4121] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4121] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4116] <... sendmsg resumed>) = 106496 [pid 4116] close(3 [pid 4119] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 210.808499][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806dab6000: rx timeout, send abort [ 210.816954][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880756b2000: rx timeout, send abort [pid 4119] close(3) = 0 [pid 4119] close(4) = -1 EBADF (Bad file descriptor) [pid 4119] close(5) = -1 EBADF (Bad file descriptor) [pid 4119] close(6) = -1 EBADF (Bad file descriptor) [pid 4119] close(7) = -1 EBADF (Bad file descriptor) [pid 4119] close(8) = -1 EBADF (Bad file descriptor) [pid 4119] close(9) = -1 EBADF (Bad file descriptor) [pid 4119] close(10) = -1 EBADF (Bad file descriptor) [pid 4119] close(11) = -1 EBADF (Bad file descriptor) [pid 4119] close(12) = -1 EBADF (Bad file descriptor) [pid 4119] close(13) = -1 EBADF (Bad file descriptor) [pid 4119] close(14) = -1 EBADF (Bad file descriptor) [pid 4119] close(15) = -1 EBADF (Bad file descriptor) [pid 4119] close(16) = -1 EBADF (Bad file descriptor) [pid 4119] close(17) = -1 EBADF (Bad file descriptor) [pid 4119] close(18) = -1 EBADF (Bad file descriptor) [pid 4119] close(19) = -1 EBADF (Bad file descriptor) [pid 4119] close(20) = -1 EBADF (Bad file descriptor) [pid 4119] close(21) = -1 EBADF (Bad file descriptor) [pid 4119] close(22) = -1 EBADF (Bad file descriptor) [pid 4119] close(23) = -1 EBADF (Bad file descriptor) [pid 4119] close(24) = -1 EBADF (Bad file descriptor) [pid 4119] close(25) = -1 EBADF (Bad file descriptor) [pid 4119] close(26) = -1 EBADF (Bad file descriptor) [pid 4119] close(27) = -1 EBADF (Bad file descriptor) [pid 4119] close(28) = -1 EBADF (Bad file descriptor) [pid 4119] close(29) = -1 EBADF (Bad file descriptor) [pid 4119] exit_group(0) = ? [pid 4119] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3617] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./65/binderfs") = 0 [pid 3617] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./65/cgroup") = 0 [pid 3617] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./65/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./65/cgroup.net") = 0 [pid 3617] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./65/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 210.884739][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806dab6000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 210.899382][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880756b2000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] unlink("./65/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./65") = 0 [pid 3617] mkdir("./66", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4122 attached [pid 4122] chdir("./66") = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 68 [pid 4122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4122] setpgid(0, 0) = 0 [pid 4122] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4122] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4122] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4122] write(3, "1000", 4) = 4 [pid 4122] close(3) = 0 [pid 4122] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4122] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4122] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4122] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4122] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4121] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 211.157777][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065fb3800: rx timeout, send abort [ 211.166207][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806de76800: rx timeout, send abort [pid 4121] close(3 [pid 3616] kill(-66, SIGKILL [pid 4112] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 4112] +++ killed by SIGKILL +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=66, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3616] kill(66, SIGKILL) = 0 [pid 3616] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./64/binderfs") = 0 [pid 3616] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./64/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./64/cgroup") = 0 [pid 3616] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./64/cgroup.net") = 0 [pid 3616] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./64/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./64/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./64") = 0 [pid 3616] mkdir("./65", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4123 attached [pid 4123] chdir("./65") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 67 [pid 4123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4123] setpgid(0, 0) = 0 [pid 4123] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4123] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4123] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4123] write(3, "1000", 4) = 4 [pid 4123] close(3) = 0 [pid 4123] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4123] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4123] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4123] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4123] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4121] <... close resumed>) = 0 [pid 4121] close(4) = -1 EBADF (Bad file descriptor) [ 211.678396][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065fb3800: abort rx timeout. Force session deactivation [ 211.688747][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806de76800: abort rx timeout. Force session deactivation [pid 4121] close(5) = -1 EBADF (Bad file descriptor) [pid 4121] close(6) = -1 EBADF (Bad file descriptor) [pid 4121] close(7) = -1 EBADF (Bad file descriptor) [pid 4121] close(8) = -1 EBADF (Bad file descriptor) [pid 4121] close(9) = -1 EBADF (Bad file descriptor) [pid 4121] close(10) = -1 EBADF (Bad file descriptor) [pid 4121] close(11) = -1 EBADF (Bad file descriptor) [pid 4121] close(12) = -1 EBADF (Bad file descriptor) [pid 4121] close(13) = -1 EBADF (Bad file descriptor) [pid 4121] close(14) = -1 EBADF (Bad file descriptor) [pid 4121] close(15) = -1 EBADF (Bad file descriptor) [pid 4121] close(16) = -1 EBADF (Bad file descriptor) [pid 4121] close(17) = -1 EBADF (Bad file descriptor) [pid 4121] close(18) = -1 EBADF (Bad file descriptor) [pid 4121] close(19) = -1 EBADF (Bad file descriptor) [pid 4121] close(20) = -1 EBADF (Bad file descriptor) [pid 4121] close(21) = -1 EBADF (Bad file descriptor) [pid 4121] close(22) = -1 EBADF (Bad file descriptor) [pid 4121] close(23) = -1 EBADF (Bad file descriptor) [pid 4121] close(24) = -1 EBADF (Bad file descriptor) [pid 4121] close(25) = -1 EBADF (Bad file descriptor) [pid 4121] close(26) = -1 EBADF (Bad file descriptor) [pid 4121] close(27) = -1 EBADF (Bad file descriptor) [pid 4121] close(28) = -1 EBADF (Bad file descriptor) [pid 4121] close(29) = -1 EBADF (Bad file descriptor) [pid 4121] exit_group(0) = ? [pid 4121] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./58/binderfs") = 0 [pid 3613] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./58/cgroup") = 0 [pid 3613] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./58/cgroup.net") = 0 [pid 3613] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./58/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./58") = 0 [pid 3613] mkdir("./59", 0777) = 0 [pid 4117] <... sendmsg resumed>) = 106496 [pid 4117] close(3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4124 attached , child_tidptr=0x555556f5d5d0) = 61 [pid 4124] chdir("./59") = 0 [pid 4124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4124] setpgid(0, 0) = 0 [pid 4124] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4124] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4124] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4124] write(3, "1000", 4) = 4 [pid 4124] close(3) = 0 [pid 4124] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4124] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4124] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4124] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4124] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4116] <... close resumed>) = 0 [pid 4116] close(4) = -1 EBADF (Bad file descriptor) [pid 4116] close(5) = -1 EBADF (Bad file descriptor) [pid 4116] close(6) = -1 EBADF (Bad file descriptor) [pid 4116] close(7) = -1 EBADF (Bad file descriptor) [pid 4116] close(8) = -1 EBADF (Bad file descriptor) [pid 4116] close(9) = -1 EBADF (Bad file descriptor) [pid 4116] close(10) = -1 EBADF (Bad file descriptor) [pid 4116] close(11) = -1 EBADF (Bad file descriptor) [pid 4116] close(12) = -1 EBADF (Bad file descriptor) [pid 4116] close(13) = -1 EBADF (Bad file descriptor) [pid 4116] close(14) = -1 EBADF (Bad file descriptor) [pid 4116] close(15 [pid 4122] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(3 [pid 4116] close(16) = -1 EBADF (Bad file descriptor) [pid 4116] close(17) = -1 EBADF (Bad file descriptor) [pid 4116] close(18) = -1 EBADF (Bad file descriptor) [pid 4116] close(19) = -1 EBADF (Bad file descriptor) [pid 4116] close(20) = -1 EBADF (Bad file descriptor) [pid 4116] close(21) = -1 EBADF (Bad file descriptor) [pid 4116] close(22) = -1 EBADF (Bad file descriptor) [pid 4116] close(23) = -1 EBADF (Bad file descriptor) [pid 4116] close(24) = -1 EBADF (Bad file descriptor) [pid 4116] close(25) = -1 EBADF (Bad file descriptor) [pid 4116] close(26) = -1 EBADF (Bad file descriptor) [pid 4116] close(27) = -1 EBADF (Bad file descriptor) [pid 4116] close(28) = -1 EBADF (Bad file descriptor) [pid 4116] close(29) = -1 EBADF (Bad file descriptor) [pid 4116] exit_group(0) = ? [pid 4116] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 212.030930][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076789400: rx timeout, send abort [ 212.039353][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c022000: rx timeout, send abort [ 212.059273][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076789400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4122] <... close resumed>) = 0 [pid 3620] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./67/binderfs") = 0 [pid 3620] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./67/cgroup") = 0 [pid 3620] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./67/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./67/cgroup.net") = 0 [pid 3620] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./67/cgroup.cpu" [pid 4122] close(4 [pid 3620] <... unlink resumed>) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... close resumed>) = 0 [pid 3620] rmdir("./67") = 0 [pid 3620] mkdir("./68", 0777 [pid 4122] close(5 [pid 3620] <... mkdir resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4125 attached [pid 4122] close(6 [pid 4125] chdir("./68" [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 70 [pid 4125] <... chdir resumed>) = 0 [pid 4122] close(7 [pid 4125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] <... prctl resumed>) = 0 [pid 4122] close(8 [pid 4125] setpgid(0, 0 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] <... setpgid resumed>) = 0 [pid 4125] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4122] close(9 [pid 4125] <... symlink resumed>) = 0 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 212.073832][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c022000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 212.101196][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b20d800: rx timeout, send abort [pid 4125] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4122] close(10 [pid 4125] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4125] write(3, "1000", 4) = 4 [pid 4125] close(3) = 0 [pid 4125] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4125] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4125] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4125] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4125] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4123] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(3 [pid 4122] close(11 [pid 4123] <... close resumed>) = 0 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(4 [pid 4122] close(12 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(5 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 212.155069][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806be3ec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 212.169700][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880658dc000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4122] close(13 [pid 4123] close(6 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(14 [pid 4123] close(7 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(15 [pid 4123] close(8 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(16 [pid 4123] close(9 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(17 [pid 4123] close(10 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(18 [pid 4123] close(11 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(19 [pid 4123] close(12 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(13 [pid 4122] close(20 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(14 [pid 4122] close(21 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(15 [pid 4122] close(22 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(16 [pid 4122] close(23 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(17 [pid 4122] close(24 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(18 [pid 4122] close(25 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(19 [pid 4122] close(26 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(20 [pid 4122] close(27 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(21 [pid 4122] close(28 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(22 [pid 4122] close(29 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(23 [pid 4122] exit_group(0 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... exit_group resumed>) = ? [pid 4123] close(24 [pid 4122] +++ exited with 0 +++ [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4123] close(25) = -1 EBADF (Bad file descriptor) [pid 4123] close(26) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4123] close(27) = -1 EBADF (Bad file descriptor) [pid 4123] close(28) = -1 EBADF (Bad file descriptor) [pid 4123] close(29) = -1 EBADF (Bad file descriptor) [pid 4123] exit_group(0) = ? [pid 4123] +++ exited with 0 +++ [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] fstat(3, [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... restart_syscall resumed>) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] lstat("./66/binderfs", [pid 3616] <... openat resumed>) = 3 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] fstat(3, [pid 3617] unlink("./66/binderfs" [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] getdents64(3, [pid 3617] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./66/cgroup", [pid 3616] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./66/cgroup" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3616] lstat("./65/binderfs", [pid 3617] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./66/cgroup.net", [pid 3616] unlink("./65/binderfs" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./66/cgroup.net" [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./65/cgroup", [pid 3617] lstat("./66/cgroup.cpu", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./65/cgroup" [pid 3617] unlink("./66/cgroup.cpu" [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] getdents64(3, [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] lstat("./65/cgroup.net", [pid 3617] close(3 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... close resumed>) = 0 [pid 3616] unlink("./65/cgroup.net" [pid 3617] rmdir("./66" [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... rmdir resumed>) = 0 [pid 3616] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] mkdir("./67", 0777 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... mkdir resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] lstat("./65/cgroup.cpu", ./strace-static-x86_64: Process 4126 attached {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 69 [pid 3616] unlink("./65/cgroup.cpu") = 0 [pid 3616] getdents64(3, [pid 4126] chdir("./67" [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3 [pid 4126] <... chdir resumed>) = 0 [pid 4126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3616] <... close resumed>) = 0 [pid 4126] <... prctl resumed>) = 0 [pid 3616] rmdir("./65" [pid 4126] setpgid(0, 0 [pid 3616] <... rmdir resumed>) = 0 [pid 4126] <... setpgid resumed>) = 0 [pid 3616] mkdir("./66", 0777 [pid 4126] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3616] <... mkdir resumed>) = 0 [pid 4126] <... symlink resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4126] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu"./strace-static-x86_64: Process 4127 attached ) = 0 [pid 4127] chdir("./66" [pid 4126] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 68 [pid 4127] <... chdir resumed>) = 0 [pid 4126] <... symlink resumed>) = 0 [pid 4127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4127] <... prctl resumed>) = 0 [pid 4126] <... openat resumed>) = 3 [pid 4127] setpgid(0, 0) = 0 [pid 4126] write(3, "1000", 4 [pid 4127] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4126] <... write resumed>) = 4 [pid 4126] close(3 [pid 4127] <... symlink resumed>) = 0 [pid 4126] <... close resumed>) = 0 [pid 4127] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4126] symlink("/dev/binderfs", "./binderfs" [pid 4127] <... symlink resumed>) = 0 [pid 4126] <... symlink resumed>) = 0 [pid 4127] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4126] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4127] <... symlink resumed>) = 0 [pid 4126] <... socket resumed>) = 3 [pid 4127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4126] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4127] <... openat resumed>) = 3 [pid 4126] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4127] write(3, "1000", 4 [pid 4126] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4127] <... write resumed>) = 4 [pid 4126] <... bind resumed>) = 0 [pid 4127] close(3 [pid 4126] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4127] <... close resumed>) = 0 [pid 4127] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4127] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4127] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4127] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 212.613475][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b20d800: abort rx timeout. Force session deactivation [pid 4127] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4120] <... sendmsg resumed>) = 106496 [pid 4120] close(3 [pid 4127] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4127] close(3 [pid 4124] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 212.974146][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068de8400: rx timeout, send abort [ 213.005253][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d5ce800: rx timeout, send abort [ 213.013691][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a904c00: rx timeout, send abort [ 213.054514][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888061d23400: rx timeout, send abort [ 213.062912][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069806c00: rx timeout, send abort [ 213.097545][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068de8400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 213.112093][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801e62f400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 213.126830][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d5ce800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4124] close(3 [pid 4127] <... close resumed>) = 0 [pid 4117] <... close resumed>) = 0 [pid 4124] <... close resumed>) = 0 [pid 4127] close(4) = -1 EBADF (Bad file descriptor) [pid 4124] close(4 [pid 4117] close(4 [pid 4127] close(5 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(6 [pid 4124] close(5 [pid 4117] close(5 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(7 [pid 4124] close(6 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(6 [pid 4127] close(8 [pid 4124] close(7 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(7 [pid 4127] close(9 [pid 4124] close(8 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(8 [pid 4127] close(10 [pid 4124] close(9 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(9 [pid 4127] close(11 [pid 4124] close(10 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(12 [pid 4124] close(11 [pid 4117] close(10 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(13 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] close(12 [pid 4117] close(11 [pid 4127] close(14 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] close(13 [pid 4117] close(12 [pid 4127] close(15 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] close(14 [pid 4117] close(13 [pid 4127] close(16 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] close(15 [pid 4117] close(14 [pid 4127] close(17 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] close(16 [pid 4117] close(15 [pid 4127] close(18 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] close(17 [pid 4117] close(16 [pid 4127] close(19 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] close(18 [pid 4117] close(17 [pid 4127] close(20 [ 213.141345][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a904c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 213.156058][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888061d23400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 213.170535][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069806c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(21 [pid 4124] close(19 [pid 4117] close(18 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(22 [pid 4125] <... sendmsg resumed>) = 106496 [pid 4124] close(20 [pid 4117] close(19 [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(3 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] close(23 [pid 4124] close(21 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(20 [pid 4127] close(24 [pid 4124] close(22 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(21 [pid 4127] close(25 [pid 4124] close(23 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(22 [pid 4127] close(26 [pid 4124] close(24 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(23 [pid 4127] close(27 [pid 4124] close(25 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(24 [pid 4127] close(28 [pid 4124] close(26 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(25 [pid 4127] close(29 [pid 4124] close(27 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(26 [pid 4127] exit_group(0 [pid 4124] close(28 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4127] <... exit_group resumed>) = ? [pid 4127] +++ exited with 0 +++ [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(27 [pid 4124] close(29 [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4117] close(28 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4124] exit_group(0) = ? [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4124] +++ exited with 0 +++ [pid 4117] close(29 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4117] exit_group(0 [pid 3616] <... openat resumed>) = 3 [pid 4117] <... exit_group resumed>) = ? [pid 3616] fstat(3, [pid 4117] +++ exited with 0 +++ [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./66/binderfs", [pid 3619] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3616] unlink("./66/binderfs" [pid 3619] fstat(3, [pid 3616] <... unlink resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] lstat("./66/cgroup", [pid 3619] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] unlink("./66/cgroup" [pid 3619] lstat("./66/binderfs", [pid 3616] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./66/binderfs" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3616] lstat("./66/cgroup.net", [pid 3619] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] unlink("./66/cgroup.net" [pid 3613] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./66/cgroup", [pid 3616] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./66/cgroup" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3616] lstat("./66/cgroup.cpu", [pid 3619] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] unlink("./66/cgroup.cpu" [pid 3619] lstat("./66/cgroup.net", [pid 3616] <... unlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] getdents64(3, [pid 3619] unlink("./66/cgroup.net" [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3616] close(3 [pid 3619] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] rmdir("./66" [pid 3619] lstat("./66/cgroup.cpu", [pid 3616] <... rmdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] mkdir("./67", 0777 [pid 3619] unlink("./66/cgroup.cpu" [pid 3616] <... mkdir resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4128 attached [pid 3619] getdents64(3, [pid 4128] chdir("./67" [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 69 [pid 4128] <... chdir resumed>) = 0 [pid 3619] close(3 [pid 4128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... close resumed>) = 0 [pid 4128] <... prctl resumed>) = 0 [pid 3619] rmdir("./66" [pid 4128] setpgid(0, 0 [pid 3619] <... rmdir resumed>) = 0 [pid 4128] <... setpgid resumed>) = 0 [pid 3619] mkdir("./67", 0777 [pid 4128] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3619] <... mkdir resumed>) = 0 [pid 4128] <... symlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 4129 attached [pid 4128] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4129] chdir("./67" [pid 4128] <... symlink resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 69 [pid 4129] <... chdir resumed>) = 0 [pid 4128] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3613] <... openat resumed>) = 3 [pid 4129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4128] <... symlink resumed>) = 0 [pid 4129] <... prctl resumed>) = 0 [pid 4128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] fstat(3, [pid 4129] setpgid(0, 0 [pid 4128] <... openat resumed>) = 3 [pid 4129] <... setpgid resumed>) = 0 [pid 4128] write(3, "1000", 4 [pid 4129] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4128] <... write resumed>) = 4 [pid 4129] <... symlink resumed>) = 0 [pid 4128] close(3 [pid 4126] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4129] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4128] <... close resumed>) = 0 [pid 4126] close(3 [pid 3613] getdents64(3, [pid 4129] <... symlink resumed>) = 0 [pid 4128] symlink("/dev/binderfs", "./binderfs" [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4129] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3613] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 213.539691][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068de8800: rx timeout, send abort [ 213.548127][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801e62f800: rx timeout, send abort [pid 4129] <... symlink resumed>) = 0 [pid 4128] <... symlink resumed>) = 0 [pid 3613] unlink("./59/binderfs") = 0 [pid 3613] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./59/cgroup") = 0 [pid 3613] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./59/cgroup.net") = 0 [pid 3613] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./59/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./59") = 0 [pid 3613] mkdir("./60", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4130 attached [pid 4130] chdir("./60" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 62 [pid 4130] <... chdir resumed>) = 0 [pid 4129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4129] <... openat resumed>) = 3 [pid 4130] <... prctl resumed>) = 0 [pid 4129] write(3, "1000", 4 [pid 4130] setpgid(0, 0 [pid 4129] <... write resumed>) = 4 [pid 4126] <... close resumed>) = 0 [pid 4128] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4130] <... setpgid resumed>) = 0 [pid 4129] close(3 [pid 4130] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4129] <... close resumed>) = 0 [pid 4130] <... symlink resumed>) = 0 [pid 4129] symlink("/dev/binderfs", "./binderfs" [pid 4130] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4129] <... symlink resumed>) = 0 [pid 4130] <... symlink resumed>) = 0 [pid 4129] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4128] <... socket resumed>) = 3 [pid 4126] close(4 [pid 4130] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4129] <... socket resumed>) = 3 [pid 4128] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4130] <... symlink resumed>) = 0 [pid 4129] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4128] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4126] close(5 [pid 4130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4129] <... ioctl resumed>, ifr_ifindex=21}) = 0 [ 213.579934][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068de8800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 213.594520][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801e62f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4130] <... openat resumed>) = 3 [pid 4129] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4128] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4130] write(3, "1000", 4 [pid 4129] <... bind resumed>) = 0 [pid 4130] <... write resumed>) = 4 [pid 4129] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4128] <... bind resumed>) = 0 [pid 4126] close(6 [pid 4130] close(3) = 0 [pid 4130] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4130] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4130] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4130] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4130] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4126] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4128] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4126] close(7) = -1 EBADF (Bad file descriptor) [pid 4126] close(8) = -1 EBADF (Bad file descriptor) [pid 4126] close(9) = -1 EBADF (Bad file descriptor) [pid 4126] close(10) = -1 EBADF (Bad file descriptor) [pid 4126] close(11) = -1 EBADF (Bad file descriptor) [pid 4126] close(12) = -1 EBADF (Bad file descriptor) [pid 4126] close(13) = -1 EBADF (Bad file descriptor) [pid 4126] close(14) = -1 EBADF (Bad file descriptor) [pid 4126] close(15) = -1 EBADF (Bad file descriptor) [pid 4126] close(16) = -1 EBADF (Bad file descriptor) [pid 4126] close(17) = -1 EBADF (Bad file descriptor) [pid 4126] close(18) = -1 EBADF (Bad file descriptor) [pid 4126] close(19) = -1 EBADF (Bad file descriptor) [pid 4126] close(20) = -1 EBADF (Bad file descriptor) [pid 4126] close(21) = -1 EBADF (Bad file descriptor) [pid 4126] close(22) = -1 EBADF (Bad file descriptor) [pid 4126] close(23) = -1 EBADF (Bad file descriptor) [pid 4126] close(24) = -1 EBADF (Bad file descriptor) [pid 4126] close(25) = -1 EBADF (Bad file descriptor) [pid 4126] close(26) = -1 EBADF (Bad file descriptor) [pid 4126] close(27) = -1 EBADF (Bad file descriptor) [pid 4126] close(28) = -1 EBADF (Bad file descriptor) [pid 4126] close(29) = -1 EBADF (Bad file descriptor) [pid 4126] exit_group(0) = ? [pid 4126] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3617] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./67/binderfs") = 0 [pid 3617] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./67/cgroup") = 0 [pid 3617] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./67/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./67/cgroup.net") = 0 [pid 3617] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./67/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./67") = 0 [pid 3617] mkdir("./68", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4131 attached [pid 4131] chdir("./68" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 70 [pid 4131] <... chdir resumed>) = 0 [pid 4131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4131] setpgid(0, 0) = 0 [pid 4131] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4131] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4131] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4131] write(3, "1000", 4) = 4 [pid 4131] close(3) = 0 [pid 4131] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4131] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4131] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4131] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4131] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4130] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 214.029219][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888074d0d000: rx timeout, send abort [pid 4130] close(3) = 0 [pid 4130] close(4) = -1 EBADF (Bad file descriptor) [ 214.067891][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074d0d000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 214.082437][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888020ea9400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4130] close(5) = -1 EBADF (Bad file descriptor) [pid 4130] close(6) = -1 EBADF (Bad file descriptor) [pid 4130] close(7) = -1 EBADF (Bad file descriptor) [pid 4130] close(8) = -1 EBADF (Bad file descriptor) [pid 4130] close(9) = -1 EBADF (Bad file descriptor) [pid 4130] close(10) = -1 EBADF (Bad file descriptor) [pid 4130] close(11) = -1 EBADF (Bad file descriptor) [pid 4130] close(12) = -1 EBADF (Bad file descriptor) [pid 4130] close(13) = -1 EBADF (Bad file descriptor) [pid 4130] close(14) = -1 EBADF (Bad file descriptor) [pid 4130] close(15) = -1 EBADF (Bad file descriptor) [pid 4130] close(16) = -1 EBADF (Bad file descriptor) [pid 4130] close(17) = -1 EBADF (Bad file descriptor) [pid 4130] close(18) = -1 EBADF (Bad file descriptor) [pid 4130] close(19) = -1 EBADF (Bad file descriptor) [pid 4130] close(20) = -1 EBADF (Bad file descriptor) [pid 4130] close(21) = -1 EBADF (Bad file descriptor) [pid 4130] close(22) = -1 EBADF (Bad file descriptor) [pid 4130] close(23) = -1 EBADF (Bad file descriptor) [pid 4130] close(24) = -1 EBADF (Bad file descriptor) [pid 4130] close(25) = -1 EBADF (Bad file descriptor) [pid 4130] close(26) = -1 EBADF (Bad file descriptor) [pid 4130] close(27) = -1 EBADF (Bad file descriptor) [pid 4130] close(28) = -1 EBADF (Bad file descriptor) [pid 4130] close(29) = -1 EBADF (Bad file descriptor) [pid 4130] exit_group(0) = ? [pid 4130] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./60/binderfs") = 0 [pid 3613] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./60/cgroup") = 0 [pid 3613] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./60/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./60/cgroup.net") = 0 [pid 3613] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./60/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./60/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./60") = 0 [pid 3613] mkdir("./61", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4132 attached [pid 4132] chdir("./61" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 63 [pid 4132] <... chdir resumed>) = 0 [pid 4132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4132] setpgid(0, 0) = 0 [pid 4132] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4132] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4132] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4132] write(3, "1000", 4) = 4 [pid 4132] close(3) = 0 [pid 4132] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4132] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4132] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4132] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4132] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4129] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4128] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4128] close(3 [ 214.560079][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888074d0cc00: rx timeout, send abort [ 214.568502][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888020ea9000: rx timeout, send abort [ 214.577958][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888022647800: rx timeout, send abort [ 214.586365][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888022645400: rx timeout, send abort [pid 4129] close(3) = 0 [pid 4129] close(4) = -1 EBADF (Bad file descriptor) [pid 4129] close(5) = -1 EBADF (Bad file descriptor) [pid 4129] close(6) = -1 EBADF (Bad file descriptor) [pid 4129] close(7) = -1 EBADF (Bad file descriptor) [pid 4129] close(8) = -1 EBADF (Bad file descriptor) [pid 4129] close(9) = -1 EBADF (Bad file descriptor) [pid 4129] close(10) = -1 EBADF (Bad file descriptor) [pid 4129] close(11) = -1 EBADF (Bad file descriptor) [pid 4129] close(12) = -1 EBADF (Bad file descriptor) [pid 4129] close(13) = -1 EBADF (Bad file descriptor) [pid 4129] close(14) = -1 EBADF (Bad file descriptor) [pid 4129] close(15) = -1 EBADF (Bad file descriptor) [pid 4129] close(16) = -1 EBADF (Bad file descriptor) [pid 4129] close(17) = -1 EBADF (Bad file descriptor) [pid 4129] close(18) = -1 EBADF (Bad file descriptor) [pid 4129] close(19) = -1 EBADF (Bad file descriptor) [pid 4129] close(20) = -1 EBADF (Bad file descriptor) [pid 4129] close(21) = -1 EBADF (Bad file descriptor) [pid 4129] close(22) = -1 EBADF (Bad file descriptor) [pid 4129] close(23) = -1 EBADF (Bad file descriptor) [pid 4129] close(24) = -1 EBADF (Bad file descriptor) [ 214.616919][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074d0cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 214.631464][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888020ea9000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4129] close(25) = -1 EBADF (Bad file descriptor) [pid 4129] close(26) = -1 EBADF (Bad file descriptor) [pid 4129] close(27) = -1 EBADF (Bad file descriptor) [pid 4129] close(28) = -1 EBADF (Bad file descriptor) [pid 4129] close(29) = -1 EBADF (Bad file descriptor) [pid 4129] exit_group(0) = ? [pid 4128] <... close resumed>) = 0 [pid 4129] +++ exited with 0 +++ [pid 4128] close(4) = -1 EBADF (Bad file descriptor) [pid 4128] close(5 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4128] close(6 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4128] close(7 [pid 3619] <... openat resumed>) = 3 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 4128] close(8 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4128] close(9 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4128] close(10 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./67/binderfs", [pid 4128] close(11 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./67/binderfs" [pid 4128] close(12 [pid 3619] <... unlink resumed>) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4128] close(13 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./67/cgroup", [pid 4128] close(14 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./67/cgroup" [pid 4128] close(15 [pid 3619] <... unlink resumed>) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4128] close(16 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./67/cgroup.net", [pid 4128] close(17 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./67/cgroup.net" [pid 4128] close(18 [pid 3619] <... unlink resumed>) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4128] close(19 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./67/cgroup.cpu", [pid 4128] close(20 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./67/cgroup.cpu" [pid 4128] close(21 [pid 3619] <... unlink resumed>) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4128] close(22 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 4128] close(23 [pid 3619] <... close resumed>) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./67" [pid 4128] close(24 [pid 3619] <... rmdir resumed>) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./68", 0777 [pid 4128] close(25 [pid 3619] <... mkdir resumed>) = 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4133 attached [pid 4128] close(26 [pid 4133] chdir("./68" [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 70 [pid 4133] <... chdir resumed>) = 0 [pid 4128] close(27 [pid 4133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... prctl resumed>) = 0 [pid 4128] close(28 [pid 4133] setpgid(0, 0 [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... setpgid resumed>) = 0 [pid 4128] close(29 [pid 4133] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... symlink resumed>) = 0 [pid 4128] exit_group(0 [pid 4133] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4128] <... exit_group resumed>) = ? [pid 4133] <... symlink resumed>) = 0 [pid 4128] +++ exited with 0 +++ [ 214.657895][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888022647800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 214.672438][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888022645400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4133] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4133] <... symlink resumed>) = 0 [pid 4133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4133] write(3, "1000", 4) = 4 [pid 4133] close(3) = 0 [pid 4133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4133] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4133] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4133] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4133] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./67/binderfs") = 0 [pid 3616] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./67/cgroup") = 0 [pid 3616] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./67/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./67/cgroup.net") = 0 [pid 3616] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./67/cgroup.cpu") = 0 [pid 3616] getdents64(3, [pid 4125] <... close resumed>) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4125] close(4 [pid 3618] kill(-73, SIGKILL [pid 3616] close(3 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... kill resumed>) = 0 [pid 3616] <... close resumed>) = 0 [pid 4125] close(5 [pid 3618] kill(73, SIGKILL [pid 3616] rmdir("./67" [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4120] <... close resumed>) = ? [pid 3618] <... kill resumed>) = 0 [pid 3616] <... rmdir resumed>) = 0 [pid 4125] close(6 [pid 4120] +++ killed by SIGKILL +++ [pid 3616] mkdir("./68", 0777 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4125] close(7 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=73, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3616] <... mkdir resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4125] close(8 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4134 attached [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4134] chdir("./68" [pid 4125] close(9 [pid 3618] <... openat resumed>) = 3 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 70 [pid 4134] <... chdir resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] fstat(3, [pid 4134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4125] close(10 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4134] <... prctl resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4134] setpgid(0, 0 [pid 4125] close(11 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4134] <... setpgid resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4134] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4125] close(12 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4134] <... symlink resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./71/binderfs", [pid 4134] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4125] close(13 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4134] <... symlink resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./71/binderfs" [pid 4134] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4125] close(14 [pid 3618] <... unlink resumed>) = 0 [pid 4134] <... symlink resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4125] close(15 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4134] <... openat resumed>) = 3 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./71/cgroup", [pid 4134] write(3, "1000", 4 [pid 4125] close(16 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4134] <... write resumed>) = 4 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./71/cgroup" [pid 4134] close(3 [pid 4125] close(17 [pid 3618] <... unlink resumed>) = 0 [pid 4134] <... close resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4134] symlink("/dev/binderfs", "./binderfs" [pid 4125] close(18 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4134] <... symlink resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./71/cgroup.net", [pid 4134] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4125] close(19 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4134] <... socket resumed>) = 3 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./71/cgroup.net" [pid 4134] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4125] close(20 [pid 3618] <... unlink resumed>) = 0 [pid 4134] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4134] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4125] close(21 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4134] <... bind resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./71/cgroup.cpu", [pid 4134] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4125] close(22 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./71/cgroup.cpu" [pid 4125] close(23 [pid 3618] <... unlink resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4125] close(24 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] close(3 [pid 4125] close(25 [pid 3618] <... close resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] rmdir("./71" [pid 4125] close(26 [pid 3618] <... rmdir resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] mkdir("./72", 0777 [pid 4125] close(27 [pid 3618] <... mkdir resumed>) = 0 [pid 4125] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4135 attached [pid 4125] close(28) = -1 EBADF (Bad file descriptor) [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 74 [pid 4135] chdir("./72" [pid 4125] close(29) = -1 EBADF (Bad file descriptor) [pid 4125] exit_group(0) = ? [pid 4135] <... chdir resumed>) = 0 [pid 4125] +++ exited with 0 +++ [pid 4135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4135] <... prctl resumed>) = 0 [pid 3620] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, [pid 4135] setpgid(0, 0 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./68/binderfs") = 0 [pid 3620] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./68/cgroup") = 0 [pid 3620] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./68/cgroup.net") = 0 [pid 3620] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./68/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./68" [pid 4135] <... setpgid resumed>) = 0 [pid 3620] <... rmdir resumed>) = 0 [pid 3620] mkdir("./69", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4136 attached [pid 4136] chdir("./69" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 71 [pid 4136] <... chdir resumed>) = 0 [pid 4136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4136] setpgid(0, 0) = 0 [pid 4136] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4136] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4136] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4135] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4136] write(3, "1000", 4) = 4 [pid 4136] close(3) = 0 [pid 4136] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4136] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4136] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4136] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4136] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4135] <... symlink resumed>) = 0 [pid 4135] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4135] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4135] write(3, "1000", 4) = 4 [pid 4135] close(3) = 0 [pid 4135] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4135] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4135] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4135] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4135] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4133] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 215.701548][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a0cec00: rx timeout, send abort [ 215.709930][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888061888800: rx timeout, send abort [pid 4133] close(3) = 0 [pid 4133] close(4) = -1 EBADF (Bad file descriptor) [pid 4133] close(5) = -1 EBADF (Bad file descriptor) [ 215.801111][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a0cec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 215.815664][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888061888800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4133] close(6) = -1 EBADF (Bad file descriptor) [pid 4133] close(7) = -1 EBADF (Bad file descriptor) [pid 4133] close(8) = -1 EBADF (Bad file descriptor) [pid 4133] close(9) = -1 EBADF (Bad file descriptor) [pid 4133] close(10) = -1 EBADF (Bad file descriptor) [pid 4133] close(11) = -1 EBADF (Bad file descriptor) [pid 4133] close(12) = -1 EBADF (Bad file descriptor) [pid 4133] close(13) = -1 EBADF (Bad file descriptor) [pid 4133] close(14) = -1 EBADF (Bad file descriptor) [pid 4133] close(15) = -1 EBADF (Bad file descriptor) [pid 4133] close(16) = -1 EBADF (Bad file descriptor) [pid 4133] close(17) = -1 EBADF (Bad file descriptor) [pid 4133] close(18) = -1 EBADF (Bad file descriptor) [pid 4133] close(19) = -1 EBADF (Bad file descriptor) [pid 4133] close(20) = -1 EBADF (Bad file descriptor) [pid 4133] close(21) = -1 EBADF (Bad file descriptor) [pid 4133] close(22) = -1 EBADF (Bad file descriptor) [pid 4133] close(23) = -1 EBADF (Bad file descriptor) [pid 4133] close(24) = -1 EBADF (Bad file descriptor) [pid 4133] close(25 [pid 4136] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4136] close(3 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(26) = -1 EBADF (Bad file descriptor) [pid 4133] close(27) = -1 EBADF (Bad file descriptor) [ 215.980096][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888061b2cc00: rx timeout, send abort [ 215.988541][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801ceec800: rx timeout, send abort [pid 4133] close(28) = -1 EBADF (Bad file descriptor) [pid 4133] close(29) = -1 EBADF (Bad file descriptor) [pid 4133] exit_group(0) = ? [pid 4133] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4136] <... close resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4136] close(4) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./68/binderfs", [pid 4136] close(5) = -1 EBADF (Bad file descriptor) [pid 4136] close(6) = -1 EBADF (Bad file descriptor) [pid 4136] close(7) = -1 EBADF (Bad file descriptor) [pid 4136] close(8) = -1 EBADF (Bad file descriptor) [pid 4136] close(9) = -1 EBADF (Bad file descriptor) [pid 4136] close(10) = -1 EBADF (Bad file descriptor) [pid 4136] close(11 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./68/binderfs" [pid 4136] close(12) = -1 EBADF (Bad file descriptor) [pid 4136] close(13 [pid 3619] <... unlink resumed>) = 0 [pid 4136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4136] close(14) = -1 EBADF (Bad file descriptor) [pid 4136] close(15) = -1 EBADF (Bad file descriptor) [pid 4136] close(16) = -1 EBADF (Bad file descriptor) [pid 4136] close(17) = -1 EBADF (Bad file descriptor) [pid 4136] close(18) = -1 EBADF (Bad file descriptor) [pid 4136] close(19) = -1 EBADF (Bad file descriptor) [pid 4136] close(20) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4136] close(21) = -1 EBADF (Bad file descriptor) [pid 4136] close(22) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4136] close(23 [pid 3619] lstat("./68/cgroup", [pid 4136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4136] close(24 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./68/cgroup" [pid 4136] close(25) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4136] close(26 [pid 3619] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4136] close(27 [pid 3619] lstat("./68/cgroup.net", [pid 4136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4136] close(28 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4136] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./68/cgroup.net" [ 216.057511][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888061b2cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 216.072174][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801ceec800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4136] close(29) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4136] exit_group(0 [pid 3619] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4136] <... exit_group resumed>) = ? [pid 4136] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./68/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./68") = 0 [pid 3619] mkdir("./69", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4138 attached [pid 4138] chdir("./69" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 71 [pid 4138] <... chdir resumed>) = 0 [pid 4138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 216.111206][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880756b1c00: rx timeout, send abort [pid 4138] setpgid(0, 0) = 0 [pid 4138] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4138] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4138] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4138] write(3, "1000", 4) = 4 [pid 4138] close(3) = 0 [pid 4138] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4138] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4135] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4138] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3620] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4138] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4138] <... bind resumed>) = 0 [ 216.179132][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068912c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 216.193591][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068911000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 216.204619][ C0] vxcan1: j1939_xtp_rx_dpo: no connection found [ 216.214252][ C0] vxcan1: j1939_xtp_rx_dpo: no connection found [ 216.220591][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [pid 3620] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4138] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... openat resumed>) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./69/binderfs") = 0 [pid 3620] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./69/cgroup") = 0 [pid 3620] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./69/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./69/cgroup.net") = 0 [pid 3620] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 216.227168][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.233773][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.240288][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.246904][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.253469][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.260047][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.266647][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3620] lstat("./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./69/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./69") = 0 [pid 3620] mkdir("./70", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 72 [ 216.273353][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.279876][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.286508][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.293070][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.299637][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.306285][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.312897][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.319420][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.326045][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.332620][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.339193][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.345766][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.352364][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.358884][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.365513][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.372066][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.378738][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.385305][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.392025][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.398546][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.405170][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.411723][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.418289][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.424862][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.431477][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.437992][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.444608][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.451181][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.457749][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.464311][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.470877][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.477434][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.484048][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.490563][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.497183][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.503741][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.510329][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.516899][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.523521][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.530043][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.536649][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.543209][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.549792][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.556371][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.562978][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.569498][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found ./strace-static-x86_64: Process 4139 attached [ 216.576132][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.582695][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.589265][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.595844][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.602469][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.608991][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.619337][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.625927][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.627946][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880756b1c00: abort rx timeout. Force session deactivation [ 216.632527][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.649169][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.655813][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.662378][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.668953][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.675531][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.682150][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.688667][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.695293][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.701851][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.708439][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.715016][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.721640][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.728167][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.734868][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.741426][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.748118][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.754789][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.761419][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.768638][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.775253][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.781831][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.788410][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.794997][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.801610][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.808129][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.814766][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.821331][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.827906][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.834486][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.841105][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.847624][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.854346][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.860876][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.867499][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.874154][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.880720][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.887299][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.893939][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.900455][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.907104][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.913658][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.920455][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.927027][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.933750][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.940276][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.946902][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.953471][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.960051][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.966631][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.973241][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.979761][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.986378][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 216.992933][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 216.999502][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 217.006077][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 217.012696][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 217.019216][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 217.025846][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [pid 4135] close(3 [pid 4139] chdir("./70") = 0 [pid 4139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4139] setpgid(0, 0) = 0 [pid 4139] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4139] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [ 217.032408][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 217.038980][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 217.045562][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 217.053878][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 217.060420][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 217.067062][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 217.073628][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 4139] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4139] write(3, "1000", 4) = 4 [pid 4139] close(3) = 0 [pid 4139] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4139] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4139] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4139] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4139] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4135] <... close resumed>) = 0 [pid 4135] close(4) = -1 EBADF (Bad file descriptor) [pid 4135] close(5) = -1 EBADF (Bad file descriptor) [pid 4135] close(6) = -1 EBADF (Bad file descriptor) [ 217.080202][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 217.086792][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 217.093422][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 217.099951][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 217.106577][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 217.113157][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 4135] close(7) = -1 EBADF (Bad file descriptor) [pid 4135] close(8) = -1 EBADF (Bad file descriptor) [pid 4135] close(9) = -1 EBADF (Bad file descriptor) [pid 4135] close(10) = -1 EBADF (Bad file descriptor) [pid 4135] close(11) = -1 EBADF (Bad file descriptor) [pid 4135] close(12) = -1 EBADF (Bad file descriptor) [pid 4135] close(13) = -1 EBADF (Bad file descriptor) [pid 4135] close(14) = -1 EBADF (Bad file descriptor) [pid 4135] close(15) = -1 EBADF (Bad file descriptor) [pid 4135] close(16) = -1 EBADF (Bad file descriptor) [pid 4135] close(17) = -1 EBADF (Bad file descriptor) [pid 4135] close(18) = -1 EBADF (Bad file descriptor) [pid 4135] close(19) = -1 EBADF (Bad file descriptor) [pid 4135] close(20) = -1 EBADF (Bad file descriptor) [pid 4135] close(21) = -1 EBADF (Bad file descriptor) [pid 4135] close(22) = -1 EBADF (Bad file descriptor) [pid 4135] close(23) = -1 EBADF (Bad file descriptor) [pid 4135] close(24) = -1 EBADF (Bad file descriptor) [pid 4135] close(25) = -1 EBADF (Bad file descriptor) [pid 4135] close(26) = -1 EBADF (Bad file descriptor) [pid 4135] close(27) = -1 EBADF (Bad file descriptor) [pid 4135] close(28) = -1 EBADF (Bad file descriptor) [pid 4135] close(29) = -1 EBADF (Bad file descriptor) [pid 4135] exit_group(0) = ? [pid 4135] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./72/binderfs") = 0 [pid 3618] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./72/cgroup") = 0 [pid 3618] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./72/cgroup.net") = 0 [pid 3618] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./72/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./72") = 0 [pid 3618] mkdir("./73", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4142 attached , child_tidptr=0x555556f5d5d0) = 75 [pid 4142] chdir("./73") = 0 [pid 4142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4142] setpgid(0, 0) = 0 [pid 4142] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4142] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4142] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4142] write(3, "1000", 4) = 4 [pid 4142] close(3) = 0 [pid 4142] symlink("/dev/binderfs", "./binderfs" [pid 4138] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4138] close(3 [pid 4142] <... symlink resumed>) = 0 [pid 4142] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [ 217.430448][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069e73c00: rx timeout, send abort [ 217.438857][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806af31400: rx timeout, send abort [pid 4142] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4134] <... sendmsg resumed>) = 106496 [pid 4138] <... close resumed>) = 0 [pid 4138] close(4) = -1 EBADF (Bad file descriptor) [pid 4138] close(5) = -1 EBADF (Bad file descriptor) [pid 4138] close(6) = -1 EBADF (Bad file descriptor) [pid 4138] close(7) = -1 EBADF (Bad file descriptor) [pid 4138] close(8) = -1 EBADF (Bad file descriptor) [pid 4138] close(9) = -1 EBADF (Bad file descriptor) [pid 4138] close(10) = -1 EBADF (Bad file descriptor) [pid 4138] close(11) = -1 EBADF (Bad file descriptor) [pid 4138] close(12) = -1 EBADF (Bad file descriptor) [pid 4138] close(13) = -1 EBADF (Bad file descriptor) [pid 4138] close(14) = -1 EBADF (Bad file descriptor) [pid 4138] close(15) = -1 EBADF (Bad file descriptor) [pid 4138] close(16) = -1 EBADF (Bad file descriptor) [pid 4142] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4138] close(17 [pid 4134] close(3 [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4142] <... bind resumed>) = 0 [pid 4138] close(18 [pid 4142] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4138] close(19) = -1 EBADF (Bad file descriptor) [pid 4138] close(20) = -1 EBADF (Bad file descriptor) [pid 4138] close(21) = -1 EBADF (Bad file descriptor) [pid 4138] close(22) = -1 EBADF (Bad file descriptor) [pid 4138] close(23) = -1 EBADF (Bad file descriptor) [pid 4138] close(24) = -1 EBADF (Bad file descriptor) [pid 4138] close(25) = -1 EBADF (Bad file descriptor) [pid 4138] close(26) = -1 EBADF (Bad file descriptor) [pid 4138] close(27) = -1 EBADF (Bad file descriptor) [pid 4138] close(28) = -1 EBADF (Bad file descriptor) [pid 4138] close(29) = -1 EBADF (Bad file descriptor) [pid 4138] exit_group(0) = ? [pid 4138] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 217.483974][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069e73c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 217.498579][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806af31400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4131] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4131] close(3 [pid 3619] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 217.579889][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b766400: rx timeout, send abort [ 217.588304][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806e3ffc00: rx timeout, send abort [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4131] <... close resumed>) = 0 [pid 4131] close(4) = -1 EBADF (Bad file descriptor) [pid 4131] close(5) = -1 EBADF (Bad file descriptor) [pid 4131] close(6) = -1 EBADF (Bad file descriptor) [pid 4131] close(7) = -1 EBADF (Bad file descriptor) [pid 4131] close(8) = -1 EBADF (Bad file descriptor) [pid 4131] close(9) = -1 EBADF (Bad file descriptor) [pid 4131] close(10) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4131] close(11) = -1 EBADF (Bad file descriptor) [pid 4131] close(12) = -1 EBADF (Bad file descriptor) [pid 4131] close(13) = -1 EBADF (Bad file descriptor) [pid 4131] close(14) = -1 EBADF (Bad file descriptor) [pid 4131] close(15) = -1 EBADF (Bad file descriptor) [pid 4131] close(16) = -1 EBADF (Bad file descriptor) [pid 4131] close(17) = -1 EBADF (Bad file descriptor) [pid 4131] close(18) = -1 EBADF (Bad file descriptor) [pid 4131] close(19) = -1 EBADF (Bad file descriptor) [pid 4131] close(20) = -1 EBADF (Bad file descriptor) [pid 4131] close(21) = -1 EBADF (Bad file descriptor) [pid 4131] close(22 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(23 [pid 3619] lstat("./69/binderfs", [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(24 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(25) = -1 EBADF (Bad file descriptor) [pid 4131] close(26) = -1 EBADF (Bad file descriptor) [pid 4131] close(27) = -1 EBADF (Bad file descriptor) [pid 4131] close(28) = -1 EBADF (Bad file descriptor) [pid 4131] close(29) = -1 EBADF (Bad file descriptor) [pid 4131] exit_group(0) = ? [pid 4131] +++ exited with 0 +++ [pid 3619] unlink("./69/binderfs" [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 217.626664][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b766400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 217.641176][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e3ffc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] lstat("./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./68/binderfs") = 0 [pid 3617] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./68/cgroup") = 0 [pid 3617] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./68/cgroup.net") = 0 [pid 3617] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./69/cgroup" [pid 3617] unlink("./68/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./68") = 0 [pid 3617] mkdir("./69", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4145 attached [pid 4145] chdir("./69" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 71 [pid 4145] <... chdir resumed>) = 0 [pid 4145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4145] setpgid(0, 0) = 0 [pid 4145] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4145] <... symlink resumed>) = 0 [pid 4145] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4145] <... symlink resumed>) = 0 [pid 4145] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4145] write(3, "1000", 4) = 4 [pid 3619] lstat("./69/cgroup.net", [pid 4145] close(3) = 0 [pid 4145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4145] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4145] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4145] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] unlink("./69/cgroup.net" [pid 4145] <... bind resumed>) = 0 [pid 4145] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./69/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./69") = 0 [pid 3619] mkdir("./70", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 72 ./strace-static-x86_64: Process 4146 attached [pid 4146] chdir("./70") = 0 [pid 4146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4146] setpgid(0, 0) = 0 [pid 4146] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4146] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4146] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4146] write(3, "1000", 4) = 4 [pid 4146] close(3) = 0 [pid 4146] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4146] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4146] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4146] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4146] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4132] <... sendmsg resumed>) = 106496 [ 218.402837][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888073531400: rx timeout, send abort [ 218.411251][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807aa5a800: rx timeout, send abort [ 218.424443][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073531400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4132] close(3 [pid 4142] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 218.438986][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807aa5a800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4142] close(3) = 0 [pid 4142] close(4) = -1 EBADF (Bad file descriptor) [pid 4142] close(5) = -1 EBADF (Bad file descriptor) [pid 4142] close(6) = -1 EBADF (Bad file descriptor) [pid 4142] close(7) = -1 EBADF (Bad file descriptor) [pid 4142] close(8) = -1 EBADF (Bad file descriptor) [pid 4142] close(9) = -1 EBADF (Bad file descriptor) [pid 4142] close(10) = -1 EBADF (Bad file descriptor) [pid 4142] close(11) = -1 EBADF (Bad file descriptor) [pid 4142] close(12) = -1 EBADF (Bad file descriptor) [pid 4142] close(13) = -1 EBADF (Bad file descriptor) [pid 4142] close(14) = -1 EBADF (Bad file descriptor) [pid 4142] close(15) = -1 EBADF (Bad file descriptor) [pid 4142] close(16) = -1 EBADF (Bad file descriptor) [pid 4142] close(17) = -1 EBADF (Bad file descriptor) [pid 4142] close(18) = -1 EBADF (Bad file descriptor) [pid 4142] close(19) = -1 EBADF (Bad file descriptor) [pid 4142] close(20) = -1 EBADF (Bad file descriptor) [pid 4142] close(21) = -1 EBADF (Bad file descriptor) [pid 4142] close(22) = -1 EBADF (Bad file descriptor) [pid 4142] close(23) = -1 EBADF (Bad file descriptor) [pid 4142] close(24) = -1 EBADF (Bad file descriptor) [pid 4142] close(25) = -1 EBADF (Bad file descriptor) [pid 4142] close(26) = -1 EBADF (Bad file descriptor) [pid 4142] close(27) = -1 EBADF (Bad file descriptor) [pid 4142] close(28) = -1 EBADF (Bad file descriptor) [pid 4142] close(29) = -1 EBADF (Bad file descriptor) [pid 4142] exit_group(0) = ? [pid 4142] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./73/binderfs") = 0 [pid 3618] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./73/cgroup") = 0 [pid 3618] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./73/cgroup.net") = 0 [pid 3618] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4145] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3618] unlink("./73/cgroup.cpu" [pid 4145] close(3 [pid 3618] <... unlink resumed>) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./73") = 0 [pid 3618] mkdir("./74", 0777) = 0 [ 218.676888][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065f46c00: rx timeout, send abort [ 218.685294][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801b6e4000: rx timeout, send abort [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4147 attached [pid 4145] <... close resumed>) = 0 [pid 4147] chdir("./74" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 76 [pid 4145] close(4 [pid 4147] <... chdir resumed>) = 0 [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4145] close(5 [pid 4147] setpgid(0, 0 [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... setpgid resumed>) = 0 [pid 4145] close(6 [pid 4147] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... symlink resumed>) = 0 [pid 4145] close(7 [pid 4147] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... symlink resumed>) = 0 [ 218.730210][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065f46c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 218.744766][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801b6e4000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4145] close(8 [pid 4147] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... symlink resumed>) = 0 [pid 4145] close(9 [pid 4147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... openat resumed>) = 3 [pid 4145] close(10 [pid 4147] write(3, "1000", 4 [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... write resumed>) = 4 [pid 4145] close(11 [pid 4147] close(3 [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] <... close resumed>) = 0 [pid 4145] close(12 [pid 4147] symlink("/dev/binderfs", "./binderfs" [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4145] close(13 [pid 4147] <... symlink resumed>) = 0 [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4145] close(14 [pid 4147] <... socket resumed>) = 3 [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4145] close(15 [pid 4147] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4145] close(16 [pid 4147] <... bind resumed>) = 0 [pid 4145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4147] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4145] close(17) = -1 EBADF (Bad file descriptor) [pid 4145] close(18) = -1 EBADF (Bad file descriptor) [pid 4145] close(19) = -1 EBADF (Bad file descriptor) [pid 4145] close(20) = -1 EBADF (Bad file descriptor) [pid 4145] close(21) = -1 EBADF (Bad file descriptor) [pid 4145] close(22) = -1 EBADF (Bad file descriptor) [pid 4145] close(23) = -1 EBADF (Bad file descriptor) [pid 4145] close(24) = -1 EBADF (Bad file descriptor) [pid 4145] close(25) = -1 EBADF (Bad file descriptor) [pid 4145] close(26) = -1 EBADF (Bad file descriptor) [pid 4145] close(27) = -1 EBADF (Bad file descriptor) [pid 4145] close(28) = -1 EBADF (Bad file descriptor) [pid 4145] close(29) = -1 EBADF (Bad file descriptor) [pid 4145] exit_group(0) = ? [pid 4145] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./69/binderfs") = 0 [pid 3617] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./69/cgroup") = 0 [pid 3617] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./69/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./69/cgroup.net") = 0 [pid 3617] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./69/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./69") = 0 [pid 3617] mkdir("./70", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4149 attached [pid 4149] chdir("./70" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 72 [pid 4149] <... chdir resumed>) = 0 [pid 4149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4149] setpgid(0, 0) = 0 [pid 4149] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4149] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4149] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4149] write(3, "1000", 4) = 4 [pid 4149] close(3) = 0 [pid 4149] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4149] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4149] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4149] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4149] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4134] <... close resumed>) = 0 [pid 4134] close(4) = -1 EBADF (Bad file descriptor) [pid 4134] close(5) = -1 EBADF (Bad file descriptor) [pid 4134] close(6) = -1 EBADF (Bad file descriptor) [pid 4134] close(7) = -1 EBADF (Bad file descriptor) [pid 4134] close(8) = -1 EBADF (Bad file descriptor) [pid 4134] close(9) = -1 EBADF (Bad file descriptor) [pid 4134] close(10) = -1 EBADF (Bad file descriptor) [pid 4134] close(11) = -1 EBADF (Bad file descriptor) [pid 4134] close(12) = -1 EBADF (Bad file descriptor) [pid 4134] close(13) = -1 EBADF (Bad file descriptor) [pid 4134] close(14) = -1 EBADF (Bad file descriptor) [pid 4134] close(15) = -1 EBADF (Bad file descriptor) [pid 4134] close(16) = -1 EBADF (Bad file descriptor) [pid 4134] close(17) = -1 EBADF (Bad file descriptor) [pid 4134] close(18) = -1 EBADF (Bad file descriptor) [pid 4134] close(19) = -1 EBADF (Bad file descriptor) [pid 4134] close(20) = -1 EBADF (Bad file descriptor) [pid 4134] close(21) = -1 EBADF (Bad file descriptor) [pid 4134] close(22) = -1 EBADF (Bad file descriptor) [pid 4134] close(23) = -1 EBADF (Bad file descriptor) [pid 4134] close(24) = -1 EBADF (Bad file descriptor) [pid 4134] close(25) = -1 EBADF (Bad file descriptor) [pid 4134] close(26) = -1 EBADF (Bad file descriptor) [pid 4134] close(27) = -1 EBADF (Bad file descriptor) [pid 4134] close(28) = -1 EBADF (Bad file descriptor) [pid 4134] close(29) = -1 EBADF (Bad file descriptor) [pid 4134] exit_group(0 [pid 3613] kill(-63, SIGKILL [pid 4134] <... exit_group resumed>) = ? [pid 4134] +++ exited with 0 +++ [pid 3613] <... kill resumed>) = 0 [pid 4132] <... close resumed>) = ? [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] kill(63, SIGKILL [pid 4132] +++ killed by SIGKILL +++ [pid 3613] <... kill resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=63, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3616] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./68/binderfs", [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./68/binderfs") = 0 [pid 3616] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./68/cgroup") = 0 [pid 3616] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./68/cgroup.net") = 0 [pid 3616] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./68/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./68") = 0 [pid 3616] mkdir("./69", 0777) = 0 [pid 3613] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... openat resumed>) = 3 ./strace-static-x86_64: Process 4150 attached [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 71 [pid 3613] fstat(3, [pid 4150] chdir("./69" [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4150] <... chdir resumed>) = 0 [pid 3613] getdents64(3, [pid 4150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4150] setpgid(0, 0 [pid 3613] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4150] <... setpgid resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./61/binderfs" [pid 4150] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3613] <... unlink resumed>) = 0 [pid 4150] <... symlink resumed>) = 0 [pid 3613] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4150] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./61/cgroup", [pid 4150] <... symlink resumed>) = 0 [pid 4150] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4150] <... symlink resumed>) = 0 [pid 3613] unlink("./61/cgroup" [pid 4150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... unlink resumed>) = 0 [pid 4150] <... openat resumed>) = 3 [pid 3613] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4150] write(3, "1000", 4) = 4 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4150] close(3 [pid 3613] lstat("./61/cgroup.net", [pid 4150] <... close resumed>) = 0 [pid 4150] symlink("/dev/binderfs", "./binderfs" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4150] <... symlink resumed>) = 0 [pid 4150] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] unlink("./61/cgroup.net" [pid 4150] <... socket resumed>) = 3 [pid 3613] <... unlink resumed>) = 0 [pid 4150] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4150] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4150] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4150] <... bind resumed>) = 0 [pid 3613] lstat("./61/cgroup.cpu", [pid 4150] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./61/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./61") = 0 [pid 3613] mkdir("./62", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4151 attached , child_tidptr=0x555556f5d5d0) = 64 [pid 4151] chdir("./62") = 0 [pid 4151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4151] setpgid(0, 0) = 0 [pid 4151] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4151] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4151] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4151] write(3, "1000", 4) = 4 [pid 4151] close(3) = 0 [pid 4151] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4151] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4151] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4151] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4151] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4147] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 219.739077][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d249c00: rx timeout, send abort [ 219.747494][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b30a400: rx timeout, send abort [ 219.764953][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d249c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4147] close(3) = 0 [ 219.779554][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b30a400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4147] close(4) = -1 EBADF (Bad file descriptor) [pid 4147] close(5) = -1 EBADF (Bad file descriptor) [pid 4147] close(6) = -1 EBADF (Bad file descriptor) [pid 4147] close(7) = -1 EBADF (Bad file descriptor) [pid 4147] close(8) = -1 EBADF (Bad file descriptor) [pid 4147] close(9) = -1 EBADF (Bad file descriptor) [pid 4147] close(10) = -1 EBADF (Bad file descriptor) [pid 4147] close(11) = -1 EBADF (Bad file descriptor) [pid 4147] close(12) = -1 EBADF (Bad file descriptor) [pid 4147] close(13) = -1 EBADF (Bad file descriptor) [pid 4147] close(14) = -1 EBADF (Bad file descriptor) [pid 4147] close(15) = -1 EBADF (Bad file descriptor) [pid 4147] close(16) = -1 EBADF (Bad file descriptor) [pid 4147] close(17) = -1 EBADF (Bad file descriptor) [pid 4147] close(18) = -1 EBADF (Bad file descriptor) [pid 4147] close(19) = -1 EBADF (Bad file descriptor) [pid 4147] close(20) = -1 EBADF (Bad file descriptor) [pid 4147] close(21) = -1 EBADF (Bad file descriptor) [pid 4147] close(22) = -1 EBADF (Bad file descriptor) [pid 4147] close(23) = -1 EBADF (Bad file descriptor) [pid 4147] close(24) = -1 EBADF (Bad file descriptor) [pid 4147] close(25) = -1 EBADF (Bad file descriptor) [pid 4147] close(26) = -1 EBADF (Bad file descriptor) [pid 4147] close(27) = -1 EBADF (Bad file descriptor) [pid 4147] close(28) = -1 EBADF (Bad file descriptor) [pid 4147] close(29) = -1 EBADF (Bad file descriptor) [pid 4147] exit_group(0) = ? [pid 4147] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./74/binderfs") = 0 [pid 3618] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./74/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./74/cgroup") = 0 [pid 3618] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./74/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./74/cgroup.net") = 0 [pid 3618] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./74/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./74") = 0 [pid 3618] mkdir("./75", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4152 attached [pid 4152] chdir("./75" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 77 [pid 4152] <... chdir resumed>) = 0 [pid 4152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4152] setpgid(0, 0) = 0 [pid 4152] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4152] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4152] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4152] write(3, "1000", 4) = 4 [pid 4152] close(3) = 0 [pid 4152] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4152] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4152] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4152] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 220.037053][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880739f9000: rx timeout, send abort [ 220.075358][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a5b1000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 220.089810][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a5b0c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 220.104369][ C1] vxcan1: j1939_xtp_rx_dpo: no connection found [ 220.110632][ C1] vxcan1: j1939_xtp_rx_dpo: no connection found [ 220.116967][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 220.123516][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 220.130080][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 220.136628][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 220.143224][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 220.149743][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 220.156439][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 220.162988][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 220.169679][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 220.176229][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 4152] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4151] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4151] close(3) = 0 [pid 4151] close(4) = -1 EBADF (Bad file descriptor) [pid 4151] close(5) = -1 EBADF (Bad file descriptor) [pid 4151] close(6) = -1 EBADF (Bad file descriptor) [pid 4151] close(7) = -1 EBADF (Bad file descriptor) [pid 4151] close(8) = -1 EBADF (Bad file descriptor) [pid 4151] close(9) = -1 EBADF (Bad file descriptor) [pid 4151] close(10) = -1 EBADF (Bad file descriptor) [pid 4151] close(11) = -1 EBADF (Bad file descriptor) [pid 4151] close(12) = -1 EBADF (Bad file descriptor) [pid 4151] close(13) = -1 EBADF (Bad file descriptor) [pid 4151] close(14) = -1 EBADF (Bad file descriptor) [pid 4151] close(15) = -1 EBADF (Bad file descriptor) [pid 4151] close(16) = -1 EBADF (Bad file descriptor) [pid 4151] close(17) = -1 EBADF (Bad file descriptor) [pid 4151] close(18) = -1 EBADF (Bad file descriptor) [pid 4151] close(19) = -1 EBADF (Bad file descriptor) [pid 4151] close(20) = -1 EBADF (Bad file descriptor) [pid 4151] close(21) = -1 EBADF (Bad file descriptor) [pid 4151] close(22) = -1 EBADF (Bad file descriptor) [pid 4151] close(23) = -1 EBADF (Bad file descriptor) [pid 4151] close(24) = -1 EBADF (Bad file descriptor) [pid 4151] close(25) = -1 EBADF (Bad file descriptor) [pid 4151] close(26) = -1 EBADF (Bad file descriptor) [pid 4151] close(27) = -1 EBADF (Bad file descriptor) [pid 4151] close(28) = -1 EBADF (Bad file descriptor) [pid 4151] close(29) = -1 EBADF (Bad file descriptor) [pid 4151] exit_group(0) = ? [pid 4151] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./62/binderfs") = 0 [pid 3613] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./62/cgroup") = 0 [pid 3613] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./62/cgroup.net") = 0 [ 220.182825][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 220.189347][ C1] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 3613] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4139] <... sendmsg resumed>) = 106496 [pid 3613] lstat("./62/cgroup.cpu", [pid 4139] close(3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./62/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./62") = 0 [pid 3613] mkdir("./63", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4153 attached [pid 4153] chdir("./63" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 65 [pid 4153] <... chdir resumed>) = 0 [pid 4153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4153] setpgid(0, 0) = 0 [pid 4153] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4153] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4153] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4153] write(3, "1000", 4) = 4 [pid 4153] close(3) = 0 [pid 4153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4153] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4153] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4153] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4153] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4150] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 220.356345][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d0b7800: rx timeout, send abort [ 220.364745][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f097400: rx timeout, send abort [ 220.391535][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d0b7800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4150] close(3) = 0 [pid 4150] close(4) = -1 EBADF (Bad file descriptor) [pid 4150] close(5) = -1 EBADF (Bad file descriptor) [pid 4150] close(6) = -1 EBADF (Bad file descriptor) [pid 4150] close(7) = -1 EBADF (Bad file descriptor) [pid 4150] close(8) = -1 EBADF (Bad file descriptor) [pid 4150] close(9) = -1 EBADF (Bad file descriptor) [pid 4150] close(10) = -1 EBADF (Bad file descriptor) [pid 4150] close(11) = -1 EBADF (Bad file descriptor) [pid 4150] close(12) = -1 EBADF (Bad file descriptor) [pid 4150] close(13) = -1 EBADF (Bad file descriptor) [pid 4150] close(14) = -1 EBADF (Bad file descriptor) [pid 4150] close(15) = -1 EBADF (Bad file descriptor) [pid 4150] close(16) = -1 EBADF (Bad file descriptor) [pid 4150] close(17) = -1 EBADF (Bad file descriptor) [pid 4150] close(18) = -1 EBADF (Bad file descriptor) [pid 4150] close(19) = -1 EBADF (Bad file descriptor) [ 220.406058][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f097400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 220.421167][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801b6e4400: rx timeout, send abort [ 220.429933][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806a2f5000: rx timeout, send abort [ 220.438662][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801b6e4400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4150] close(20) = -1 EBADF (Bad file descriptor) [pid 4150] close(21) = -1 EBADF (Bad file descriptor) [pid 4150] close(22) = -1 EBADF (Bad file descriptor) [pid 4150] close(23) = -1 EBADF (Bad file descriptor) [pid 4150] close(24) = -1 EBADF (Bad file descriptor) [pid 4150] close(25) = -1 EBADF (Bad file descriptor) [pid 4150] close(26) = -1 EBADF (Bad file descriptor) [pid 4150] close(27) = -1 EBADF (Bad file descriptor) [pid 4150] close(28) = -1 EBADF (Bad file descriptor) [pid 4150] close(29) = -1 EBADF (Bad file descriptor) [pid 4150] exit_group(0) = ? [pid 4150] +++ exited with 0 +++ [pid 4146] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4146] close(3 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4146] <... close resumed>) = 0 [pid 4146] close(4) = -1 EBADF (Bad file descriptor) [pid 4146] close(5) = -1 EBADF (Bad file descriptor) [pid 4146] close(6) = -1 EBADF (Bad file descriptor) [pid 4146] close(7) = -1 EBADF (Bad file descriptor) [pid 4146] close(8) = -1 EBADF (Bad file descriptor) [pid 4146] close(9 [pid 3616] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(10 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 220.453131][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a2f5000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4146] close(11) = -1 EBADF (Bad file descriptor) [pid 3616] <... openat resumed>) = 3 [pid 4146] close(12) = -1 EBADF (Bad file descriptor) [pid 3616] fstat(3, [pid 4146] close(13 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4146] close(14 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./69/binderfs", [pid 4146] close(15 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./69/binderfs" [pid 4146] close(16 [pid 3616] <... unlink resumed>) = 0 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4146] close(17) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4146] close(18 [pid 3616] lstat("./69/cgroup", [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(19 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./69/cgroup" [pid 4146] close(20) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 4146] close(21 [pid 3616] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(22 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(23 [ 220.549669][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880739f9000: abort rx timeout. Force session deactivation [pid 3616] lstat("./69/cgroup.net", [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4146] close(24 [pid 3616] unlink("./69/cgroup.net" [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4146] close(25 [pid 3616] <... unlink resumed>) = 0 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4146] close(26 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./69/cgroup.cpu", [pid 4146] close(27 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./69/cgroup.cpu" [pid 4146] close(28 [pid 3616] <... unlink resumed>) = 0 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, [pid 4146] close(29 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4146] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] close(3 [pid 4146] exit_group(0 [pid 3616] <... close resumed>) = 0 [pid 4146] <... exit_group resumed>) = ? [pid 3616] rmdir("./69" [pid 4146] +++ exited with 0 +++ [pid 3616] <... rmdir resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] mkdir("./70", 0777) = 0 [pid 3619] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4154 attached [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 72 [pid 3619] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4154] chdir("./70" [pid 3619] fstat(3, [pid 4154] <... chdir resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] getdents64(3, [pid 4154] setpgid(0, 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4154] <... setpgid resumed>) = 0 [pid 3619] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4154] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4154] <... symlink resumed>) = 0 [pid 3619] lstat("./70/binderfs", [pid 4154] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4154] <... symlink resumed>) = 0 [pid 3619] unlink("./70/binderfs" [pid 4154] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4154] <... openat resumed>) = 3 [pid 4154] write(3, "1000", 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4154] <... write resumed>) = 4 [pid 3619] lstat("./70/cgroup", [pid 4154] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4154] <... close resumed>) = 0 [pid 3619] unlink("./70/cgroup" [pid 4154] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4154] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4154] <... socket resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4154] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3619] lstat("./70/cgroup.net", [pid 4154] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4154] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4154] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./70/cgroup.net") = 0 [pid 3619] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./70/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./70/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./70") = 0 [pid 3619] mkdir("./71", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4155 attached , child_tidptr=0x555556f5d5d0) = 73 [pid 4155] chdir("./71") = 0 [pid 4155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4155] setpgid(0, 0) = 0 [pid 4155] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4155] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4155] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4155] write(3, "1000", 4) = 4 [pid 4152] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4155] close(3 [pid 4152] close(3 [pid 4155] <... close resumed>) = 0 [ 220.964369][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880662c3000: rx timeout, send abort [ 220.972782][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880772c6000: rx timeout, send abort [pid 4155] symlink("/dev/binderfs", "./binderfs" [pid 4152] <... close resumed>) = 0 [pid 4149] <... sendmsg resumed>) = 106496 [pid 4152] close(4 [pid 4149] close(3 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(5 [pid 4155] <... symlink resumed>) = 0 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4155] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4152] close(6 [pid 4155] <... socket resumed>) = 3 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(7) = -1 EBADF (Bad file descriptor) [pid 4152] close(8) = -1 EBADF (Bad file descriptor) [pid 4152] close(9) = -1 EBADF (Bad file descriptor) [pid 4152] close(10) = -1 EBADF (Bad file descriptor) [pid 4155] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4152] close(11) = -1 EBADF (Bad file descriptor) [pid 4152] close(12) = -1 EBADF (Bad file descriptor) [pid 4152] close(13 [pid 4155] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4155] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4152] close(14 [pid 4155] <... bind resumed>) = 0 [pid 4155] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(15) = -1 EBADF (Bad file descriptor) [ 221.013867][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880662c3000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 221.028432][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880772c6000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4152] close(16) = -1 EBADF (Bad file descriptor) [pid 4152] close(17) = -1 EBADF (Bad file descriptor) [pid 4152] close(18) = -1 EBADF (Bad file descriptor) [pid 4152] close(19) = -1 EBADF (Bad file descriptor) [pid 4152] close(20) = -1 EBADF (Bad file descriptor) [pid 4152] close(21) = -1 EBADF (Bad file descriptor) [pid 4152] close(22) = -1 EBADF (Bad file descriptor) [pid 4152] close(23) = -1 EBADF (Bad file descriptor) [pid 4152] close(24) = -1 EBADF (Bad file descriptor) [pid 4153] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 221.168879][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807ad29c00: rx timeout, send abort [ 221.177288][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807ad29000: rx timeout, send abort [pid 4152] close(25 [pid 4153] close(3 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4153] <... close resumed>) = 0 [pid 4152] close(26 [pid 4153] close(4 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(27) = -1 EBADF (Bad file descriptor) [pid 4153] close(5 [pid 4152] close(28 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4153] close(6) = -1 EBADF (Bad file descriptor) [pid 4153] close(7) = -1 EBADF (Bad file descriptor) [pid 4153] close(8) = -1 EBADF (Bad file descriptor) [pid 4153] close(9) = -1 EBADF (Bad file descriptor) [pid 4153] close(10) = -1 EBADF (Bad file descriptor) [pid 4153] close(11) = -1 EBADF (Bad file descriptor) [pid 4153] close(12 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(29) = -1 EBADF (Bad file descriptor) [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4153] close(13) = -1 EBADF (Bad file descriptor) [pid 4152] exit_group(0 [pid 4153] close(14 [pid 4152] <... exit_group resumed>) = ? [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4153] close(15) = -1 EBADF (Bad file descriptor) [pid 4153] close(16 [pid 4152] +++ exited with 0 +++ [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4153] close(17) = -1 EBADF (Bad file descriptor) [ 221.207263][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807ad29c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 221.221789][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807ad29000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4153] close(18) = -1 EBADF (Bad file descriptor) [pid 4153] close(19) = -1 EBADF (Bad file descriptor) [pid 4153] close(20) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4153] close(21) = -1 EBADF (Bad file descriptor) [pid 4153] close(22) = -1 EBADF (Bad file descriptor) [pid 4153] close(23) = -1 EBADF (Bad file descriptor) [pid 4153] close(24) = -1 EBADF (Bad file descriptor) [pid 4153] close(25) = -1 EBADF (Bad file descriptor) [pid 4153] close(26) = -1 EBADF (Bad file descriptor) [pid 4153] close(27) = -1 EBADF (Bad file descriptor) [pid 4153] close(28) = -1 EBADF (Bad file descriptor) [pid 4153] close(29) = -1 EBADF (Bad file descriptor) [pid 4153] exit_group(0) = ? [pid 4153] +++ exited with 0 +++ [pid 3620] kill(-72, SIGKILL [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4139] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 3618] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4139] +++ killed by SIGKILL +++ [pid 3620] kill(72, SIGKILL [pid 3613] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, [pid 3620] <... kill resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./63/binderfs" [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=72, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] getdents64(3, [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./63/cgroup") = 0 [pid 3613] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./63/cgroup.net") = 0 [pid 3613] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./63/cgroup.cpu" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... unlink resumed>) = 0 [pid 3620] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./63") = 0 [pid 3613] mkdir("./64", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4156 attached [pid 4156] chdir("./64" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 66 [pid 4156] <... chdir resumed>) = 0 [pid 4156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4156] setpgid(0, 0) = 0 [pid 4156] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4156] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 3618] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4156] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3620] <... openat resumed>) = 3 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4156] <... symlink resumed>) = 0 [pid 3618] lstat("./75/binderfs", [pid 4156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4156] write(3, "1000", 4 [pid 3620] fstat(3, [pid 4156] <... write resumed>) = 4 [pid 4156] close(3) = 0 [pid 4156] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4156] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4156] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] unlink("./75/binderfs" [pid 4156] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4156] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] getdents64(3, [pid 3618] <... unlink resumed>) = 0 [pid 4156] <... bind resumed>) = 0 [pid 4156] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./70/binderfs", [pid 3618] lstat("./75/cgroup", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./70/binderfs" [pid 3618] unlink("./75/cgroup" [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... unlink resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] lstat("./70/cgroup", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] lstat("./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./70/cgroup" [pid 3618] unlink("./75/cgroup.net" [pid 3620] <... unlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3620] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./75/cgroup.cpu", [pid 3620] lstat("./70/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./70/cgroup.net" [pid 3618] unlink("./75/cgroup.cpu") = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3618] getdents64(3, [pid 3620] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] close(3 [pid 3620] lstat("./70/cgroup.cpu", [pid 3618] <... close resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] rmdir("./75" [pid 3620] unlink("./70/cgroup.cpu") = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3620] getdents64(3, [pid 3618] mkdir("./76", 0777 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3 [pid 3618] <... mkdir resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] rmdir("./70"./strace-static-x86_64: Process 4157 attached [pid 4157] chdir("./76") = 0 [pid 3620] <... rmdir resumed>) = 0 [pid 4157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4157] setpgid(0, 0) = 0 [pid 4157] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4157] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4157] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] mkdir("./71", 0777 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 78 [pid 4157] <... openat resumed>) = 3 [pid 4157] write(3, "1000", 4) = 4 [pid 4157] close(3) = 0 [pid 4157] symlink("/dev/binderfs", "./binderfs" [pid 3620] <... mkdir resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4158 attached [pid 4158] chdir("./71") = 0 [pid 4158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4158] setpgid(0, 0) = 0 [pid 4158] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4158] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4158] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4157] <... symlink resumed>) = 0 [pid 4158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4158] write(3, "1000", 4) = 4 [pid 4158] close(3 [pid 4157] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4158] <... close resumed>) = 0 [pid 4157] <... socket resumed>) = 3 [pid 4158] symlink("/dev/binderfs", "./binderfs" [pid 4157] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4158] <... symlink resumed>) = 0 [pid 4157] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4158] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4157] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4158] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4157] <... bind resumed>) = 0 [pid 4158] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4157] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4158] <... bind resumed>) = 0 [pid 4158] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 73 [pid 4155] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 221.943004][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073b6b000: rx timeout, send abort [ 221.951437][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073b6a800: rx timeout, send abort [pid 4155] close(3) = 0 [pid 4155] close(4) = -1 EBADF (Bad file descriptor) [pid 4155] close(5) = -1 EBADF (Bad file descriptor) [pid 4155] close(6) = -1 EBADF (Bad file descriptor) [pid 4155] close(7) = -1 EBADF (Bad file descriptor) [pid 4155] close(8) = -1 EBADF (Bad file descriptor) [pid 4155] close(9) = -1 EBADF (Bad file descriptor) [ 222.030540][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073b6b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 222.045110][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073b6a800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4155] close(10) = -1 EBADF (Bad file descriptor) [pid 4155] close(11) = -1 EBADF (Bad file descriptor) [pid 4155] close(12) = -1 EBADF (Bad file descriptor) [pid 4155] close(13) = -1 EBADF (Bad file descriptor) [pid 4155] close(14) = -1 EBADF (Bad file descriptor) [pid 4155] close(15) = -1 EBADF (Bad file descriptor) [pid 4155] close(16) = -1 EBADF (Bad file descriptor) [pid 4155] close(17) = -1 EBADF (Bad file descriptor) [pid 4155] close(18) = -1 EBADF (Bad file descriptor) [pid 4155] close(19) = -1 EBADF (Bad file descriptor) [pid 4155] close(20) = -1 EBADF (Bad file descriptor) [pid 4155] close(21) = -1 EBADF (Bad file descriptor) [pid 4155] close(22) = -1 EBADF (Bad file descriptor) [pid 4155] close(23) = -1 EBADF (Bad file descriptor) [pid 4155] close(24) = -1 EBADF (Bad file descriptor) [pid 4155] close(25) = -1 EBADF (Bad file descriptor) [pid 4155] close(26) = -1 EBADF (Bad file descriptor) [pid 4155] close(27) = -1 EBADF (Bad file descriptor) [pid 4155] close(28) = -1 EBADF (Bad file descriptor) [pid 4155] close(29) = -1 EBADF (Bad file descriptor) [pid 4155] exit_group(0) = ? [pid 4155] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 222.094981][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801c411400: rx timeout, send abort [pid 3619] fstat(3, [pid 4158] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4158] close(3) = 0 [pid 4158] close(4) = -1 EBADF (Bad file descriptor) [pid 4158] close(5) = -1 EBADF (Bad file descriptor) [pid 4158] close(6) = -1 EBADF (Bad file descriptor) [pid 4158] close(7) = -1 EBADF (Bad file descriptor) [pid 4158] close(8 [pid 3619] getdents64(3, [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4158] close(9) = -1 EBADF (Bad file descriptor) [pid 4158] close(10 [pid 3619] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./71/binderfs", [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4158] close(11 [pid 3619] unlink("./71/binderfs" [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] close(12 [pid 3619] <... unlink resumed>) = 0 [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] close(13) = -1 EBADF (Bad file descriptor) [pid 4158] close(14) = -1 EBADF (Bad file descriptor) [pid 4158] close(15) = -1 EBADF (Bad file descriptor) [pid 4158] close(16) = -1 EBADF (Bad file descriptor) [pid 4158] close(17) = -1 EBADF (Bad file descriptor) [pid 4158] close(18) = -1 EBADF (Bad file descriptor) [pid 4158] close(19) = -1 EBADF (Bad file descriptor) [pid 4158] close(20) = -1 EBADF (Bad file descriptor) [pid 4158] close(21) = -1 EBADF (Bad file descriptor) [pid 4158] close(22) = -1 EBADF (Bad file descriptor) [pid 4158] close(23) = -1 EBADF (Bad file descriptor) [pid 4158] close(24) = -1 EBADF (Bad file descriptor) [pid 4158] close(25) = -1 EBADF (Bad file descriptor) [pid 4158] close(26) = -1 EBADF (Bad file descriptor) [pid 4158] close(27) = -1 EBADF (Bad file descriptor) [pid 4158] close(28) = -1 EBADF (Bad file descriptor) [pid 4158] close(29) = -1 EBADF (Bad file descriptor) [pid 4158] exit_group(0) = ? [pid 4158] +++ exited with 0 +++ [pid 3619] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./71/cgroup" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 222.154339][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065840c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 222.168801][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806660b800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... unlink resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3620] fstat(3, [pid 3619] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] getdents64(3, [pid 3619] lstat("./71/cgroup.net", [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./71/cgroup.net" [pid 3620] lstat("./71/binderfs", [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./71/cgroup.cpu", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./71/binderfs" [pid 3619] unlink("./71/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3619] rmdir("./71" [pid 3620] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... rmdir resumed>) = 0 [pid 3620] lstat("./71/cgroup", [pid 3619] mkdir("./72", 0777 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3620] unlink("./71/cgroup") = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4159 attached [pid 4159] chdir("./72") = 0 [pid 4159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4159] setpgid(0, 0) = 0 [pid 4159] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4159] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4159] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4159] write(3, "1000", 4) = 4 [pid 4159] close(3) = 0 [pid 4159] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4159] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4159] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 74 [pid 3620] lstat("./71/cgroup.net", [pid 4159] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4159] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] unlink("./71/cgroup.net" [pid 4159] <... bind resumed>) = 0 [pid 4159] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./71/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./71") = 0 [pid 3620] mkdir("./72", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4160 attached [pid 4160] chdir("./72" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 74 [pid 4160] <... chdir resumed>) = 0 [pid 4160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4160] setpgid(0, 0) = 0 [pid 4160] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4160] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4160] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4160] write(3, "1000", 4) = 4 [pid 4160] close(3) = 0 [pid 4160] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4160] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4160] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4160] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 222.607423][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801c411400: abort rx timeout. Force session deactivation [pid 4160] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4149] <... close resumed>) = 0 [pid 4149] close(4) = -1 EBADF (Bad file descriptor) [pid 4149] close(5) = -1 EBADF (Bad file descriptor) [pid 4149] close(6) = -1 EBADF (Bad file descriptor) [pid 4149] close(7) = -1 EBADF (Bad file descriptor) [pid 4149] close(8) = -1 EBADF (Bad file descriptor) [pid 4149] close(9) = -1 EBADF (Bad file descriptor) [pid 4149] close(10) = -1 EBADF (Bad file descriptor) [pid 4149] close(11) = -1 EBADF (Bad file descriptor) [pid 4149] close(12) = -1 EBADF (Bad file descriptor) [pid 4149] close(13) = -1 EBADF (Bad file descriptor) [pid 4149] close(14) = -1 EBADF (Bad file descriptor) [pid 4149] close(15) = -1 EBADF (Bad file descriptor) [pid 4149] close(16) = -1 EBADF (Bad file descriptor) [pid 4149] close(17) = -1 EBADF (Bad file descriptor) [pid 4149] close(18) = -1 EBADF (Bad file descriptor) [pid 4149] close(19) = -1 EBADF (Bad file descriptor) [pid 4149] close(20) = -1 EBADF (Bad file descriptor) [pid 4149] close(21) = -1 EBADF (Bad file descriptor) [pid 4149] close(22) = -1 EBADF (Bad file descriptor) [pid 4149] close(23) = -1 EBADF (Bad file descriptor) [pid 4149] close(24) = -1 EBADF (Bad file descriptor) [pid 4149] close(25) = -1 EBADF (Bad file descriptor) [pid 4149] close(26) = -1 EBADF (Bad file descriptor) [pid 4149] close(27) = -1 EBADF (Bad file descriptor) [pid 4149] close(28) = -1 EBADF (Bad file descriptor) [pid 4149] close(29) = -1 EBADF (Bad file descriptor) [pid 4149] exit_group(0) = ? [pid 4149] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./70/binderfs") = 0 [pid 3617] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./70/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./70/cgroup") = 0 [pid 4160] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4160] close(3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 223.344232][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d337c00: rx timeout, send abort [ 223.352657][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d336800: rx timeout, send abort [ 223.361279][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d337c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 223.375784][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d336800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4160] <... close resumed>) = 0 [pid 3617] lstat("./70/cgroup.net", [pid 4160] close(4 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4159] close(3 [pid 4160] close(5 [pid 4154] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] unlink("./70/cgroup.net" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(3 [pid 4160] close(6 [pid 3617] <... unlink resumed>) = 0 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4160] close(7 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./70/cgroup.cpu", [ 223.401461][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065aefc00: rx timeout, send abort [ 223.409828][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888078f1f400: rx timeout, send abort [ 223.410388][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880673ec800: rx timeout, send abort [ 223.426493][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801d52d800: rx timeout, send abort [pid 4160] close(8) = -1 EBADF (Bad file descriptor) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4160] close(9 [pid 4159] <... close resumed>) = 0 [pid 4154] <... close resumed>) = 0 [pid 3617] unlink("./70/cgroup.cpu" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(4 [pid 4154] close(4 [pid 3617] <... unlink resumed>) = 0 [ 223.439805][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880673ec800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 223.442315][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065aefc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 223.454260][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d52d800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 223.468636][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888078f1f400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4160] close(10 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] getdents64(3, [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(5 [pid 4154] close(5 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4160] close(11 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] close(3 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(6 [pid 4154] close(6 [pid 3617] <... close resumed>) = 0 [pid 4160] close(12 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] rmdir("./70" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(7 [pid 4154] close(7 [pid 3617] <... rmdir resumed>) = 0 [pid 4160] close(13 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] mkdir("./71", 0777 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(8 [pid 4156] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4154] close(8 [pid 4156] close(3) = 0 [pid 3617] <... mkdir resumed>) = 0 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] close(14 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] close(4 [pid 4154] close(9 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(9 [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] close(5) = -1 EBADF (Bad file descriptor) [pid 4156] close(6) = -1 EBADF (Bad file descriptor) [pid 4156] close(7) = -1 EBADF (Bad file descriptor) [pid 4156] close(8) = -1 EBADF (Bad file descriptor) [pid 4156] close(9./strace-static-x86_64: Process 4161 attached ) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] close(15 [pid 4159] close(10 [pid 4156] close(10 [pid 4154] close(10 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 73 [pid 4161] chdir("./71" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... chdir resumed>) = 0 [pid 4160] close(16 [pid 4159] close(11 [pid 4156] close(11 [pid 4154] close(11 [pid 4161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... prctl resumed>) = 0 [pid 4160] close(17 [pid 4159] close(12 [pid 4156] close(12 [pid 4154] close(12 [pid 4161] setpgid(0, 0 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... setpgid resumed>) = 0 [pid 4160] close(18 [pid 4159] close(13 [pid 4156] close(13 [pid 4154] close(13 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] close(14 [pid 4154] close(14 [pid 4159] close(14 [pid 4160] close(19 [pid 4161] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... symlink resumed>) = 0 [pid 4160] close(20 [pid 4159] close(15 [pid 4156] close(15 [pid 4154] close(15 [pid 4161] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... symlink resumed>) = 0 [pid 4160] close(21 [pid 4159] close(16 [pid 4156] close(16 [pid 4154] close(16 [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] close(17) = -1 EBADF (Bad file descriptor) [pid 4156] close(18) = -1 EBADF (Bad file descriptor) [pid 4156] close(19) = -1 EBADF (Bad file descriptor) [pid 4156] close(20) = -1 EBADF (Bad file descriptor) [pid 4156] close(21) = -1 EBADF (Bad file descriptor) [pid 4156] close(22) = -1 EBADF (Bad file descriptor) [pid 4156] close(23) = -1 EBADF (Bad file descriptor) [pid 4156] close(24) = -1 EBADF (Bad file descriptor) [pid 4156] close(25) = -1 EBADF (Bad file descriptor) [pid 4161] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 223.497928][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88802616e800: rx timeout, send abort [ 223.506510][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88802616f000: rx timeout, send abort [ 223.515292][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88802616e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 223.529719][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88802616f000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] close(26 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... symlink resumed>) = 0 [pid 4160] close(22 [pid 4159] close(17 [pid 4154] close(17 [pid 4161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... openat resumed>) = 3 [pid 4160] close(23 [pid 4159] close(18 [pid 4154] close(18 [pid 4161] write(3, "1000", 4 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... write resumed>) = 4 [pid 4160] close(24 [pid 4159] close(19 [pid 4154] close(19 [pid 4161] close(3 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] close(27 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... close resumed>) = 0 [pid 4160] close(25 [pid 4159] close(20 [pid 4154] close(20 [pid 4161] symlink("/dev/binderfs", "./binderfs" [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... symlink resumed>) = 0 [pid 4160] close(26 [pid 4159] close(21 [pid 4154] close(21 [pid 4161] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] <... socket resumed>) = 3 [pid 4160] close(27 [pid 4159] close(22 [pid 4154] close(22 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] close(28 [pid 4159] close(23 [pid 4154] close(23 [pid 4161] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4160] close(29 [pid 4159] close(24 [pid 4160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(24 [pid 4161] <... bind resumed>) = 0 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4160] exit_group(0 [pid 4159] close(25 [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4160] <... exit_group resumed>) = ? [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... sendmsg resumed>) = 106496 [pid 4156] close(28 [pid 4154] close(25 [pid 4160] +++ exited with 0 +++ [pid 4159] close(26 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(3 [pid 4156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(26 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4156] close(29) = -1 EBADF (Bad file descriptor) [pid 4159] close(27 [pid 4156] exit_group(0 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4156] <... exit_group resumed>) = ? [pid 4154] close(27 [pid 4159] close(28 [pid 4156] +++ exited with 0 +++ [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(28 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4159] close(29 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4154] close(29 [pid 3620] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4159] exit_group(0 [pid 4154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... exit_group resumed>) = ? [pid 4154] exit_group(0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4159] +++ exited with 0 +++ [pid 4154] <... exit_group resumed>) = ? [pid 3620] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4154] +++ exited with 0 +++ [pid 3620] <... openat resumed>) = 3 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] fstat(3, [pid 3613] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] getdents64(3, [pid 3613] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... openat resumed>) = 3 [pid 3613] fstat(3, [pid 3620] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] getdents64(3, [pid 3620] lstat("./72/binderfs", [pid 3619] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] unlink("./72/binderfs" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] lstat("./64/binderfs", [pid 3620] <... unlink resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] fstat(3, [pid 3613] unlink("./64/binderfs" [pid 3619] getdents64(3, [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3616] getdents64(3, [pid 3613] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./64/cgroup", [pid 3619] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./70/binderfs", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] lstat("./72/cgroup", [pid 3619] lstat("./72/binderfs", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./64/cgroup" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./70/binderfs" [pid 3613] <... unlink resumed>) = 0 [pid 3620] unlink("./72/cgroup" [pid 3619] unlink("./72/binderfs" [pid 3616] <... unlink resumed>) = 0 [pid 3613] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3616] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./64/cgroup.net", [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./70/cgroup", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] lstat("./72/cgroup.net", [pid 3619] lstat("./72/cgroup", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./64/cgroup.net" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./70/cgroup" [pid 3613] <... unlink resumed>) = 0 [pid 3620] unlink("./72/cgroup.net" [pid 3619] unlink("./72/cgroup" [pid 3616] <... unlink resumed>) = 0 [pid 3613] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3616] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./64/cgroup.cpu", [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./72/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./72") = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./70/cgroup.net", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./72/cgroup.net", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./64/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./70/cgroup.net" [pid 3620] mkdir("./73", 0777 [pid 3613] <... unlink resumed>) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3619] unlink("./72/cgroup.net" [pid 3616] <... unlink resumed>) = 0 [pid 3613] getdents64(3, [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4162 attached [pid 4162] chdir("./73" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 75 [pid 4162] <... chdir resumed>) = 0 [pid 4162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4162] setpgid(0, 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4162] <... setpgid resumed>) = 0 [pid 4162] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3616] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] close(3 [pid 3619] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./70/cgroup.cpu", [pid 3613] <... close resumed>) = 0 [pid 3619] lstat("./72/cgroup.cpu", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] rmdir("./64" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./70/cgroup.cpu" [pid 4162] <... symlink resumed>) = 0 [pid 3613] <... rmdir resumed>) = 0 [pid 3619] unlink("./72/cgroup.cpu" [pid 4162] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3613] mkdir("./65", 0777 [pid 4162] <... symlink resumed>) = 0 [pid 4162] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 3619] getdents64(3, [pid 3616] getdents64(3, [pid 4162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... mkdir resumed>) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... close resumed>) = 0 [pid 4162] <... openat resumed>) = 3 [pid 4162] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 4163 attached [pid 4162] close(3 [pid 3619] close(3 [pid 3616] rmdir("./70" [pid 4163] chdir("./65") = 0 [pid 4162] <... close resumed>) = 0 [pid 4163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4162] symlink("/dev/binderfs", "./binderfs" [pid 4163] setpgid(0, 0 [pid 4162] <... symlink resumed>) = 0 [pid 4163] <... setpgid resumed>) = 0 [pid 4163] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4162] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4163] <... symlink resumed>) = 0 [pid 4162] <... socket resumed>) = 3 [pid 3619] <... close resumed>) = 0 [pid 3616] <... rmdir resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 67 [pid 4163] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4162] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4163] <... symlink resumed>) = 0 [pid 4162] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4163] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4162] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4163] <... symlink resumed>) = 0 [pid 4162] <... bind resumed>) = 0 [pid 4163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4162] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4163] <... openat resumed>) = 3 [pid 4163] write(3, "1000", 4) = 4 [pid 4163] close(3) = 0 [pid 4163] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4163] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4163] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4163] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4163] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] rmdir("./72" [pid 3616] mkdir("./71", 0777 [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./73", 0777 [pid 3616] <... mkdir resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4164 attached [pid 4164] chdir("./71") = 0 [pid 4164] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 4165 attached ) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 73 [pid 4164] setpgid(0, 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 75 [pid 4165] chdir("./73" [pid 4164] <... setpgid resumed>) = 0 [pid 4165] <... chdir resumed>) = 0 [pid 4164] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4164] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4164] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4164] write(3, "1000", 4) = 4 [pid 4164] close(3) = 0 [pid 4165] setpgid(0, 0) = 0 [pid 4165] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4164] symlink("/dev/binderfs", "./binderfs" [pid 4165] <... symlink resumed>) = 0 [pid 4164] <... symlink resumed>) = 0 [pid 4164] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4164] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4164] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4165] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4164] <... bind resumed>) = 0 [pid 4164] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4165] <... symlink resumed>) = 0 [pid 4165] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4165] write(3, "1000", 4) = 4 [pid 4165] close(3) = 0 [pid 4165] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4165] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4165] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4165] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4165] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4164] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 224.228371][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888074ed0400: rx timeout, send abort [ 224.262345][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074ed0400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4164] close(3) = 0 [pid 4164] close(4) = -1 EBADF (Bad file descriptor) [pid 4164] close(5) = -1 EBADF (Bad file descriptor) [pid 4164] close(6) = -1 EBADF (Bad file descriptor) [pid 4164] close(7) = -1 EBADF (Bad file descriptor) [pid 4164] close(8) = -1 EBADF (Bad file descriptor) [pid 4164] close(9) = -1 EBADF (Bad file descriptor) [pid 4164] close(10) = -1 EBADF (Bad file descriptor) [pid 4164] close(11) = -1 EBADF (Bad file descriptor) [pid 4164] close(12) = -1 EBADF (Bad file descriptor) [pid 4164] close(13) = -1 EBADF (Bad file descriptor) [pid 4164] close(14) = -1 EBADF (Bad file descriptor) [pid 4164] close(15) = -1 EBADF (Bad file descriptor) [pid 4164] close(16) = -1 EBADF (Bad file descriptor) [pid 4164] close(17) = -1 EBADF (Bad file descriptor) [pid 4164] close(18) = -1 EBADF (Bad file descriptor) [pid 4164] close(19) = -1 EBADF (Bad file descriptor) [pid 4164] close(20) = -1 EBADF (Bad file descriptor) [pid 4164] close(21) = -1 EBADF (Bad file descriptor) [pid 4164] close(22) = -1 EBADF (Bad file descriptor) [pid 4164] close(23) = -1 EBADF (Bad file descriptor) [pid 4164] close(24) = -1 EBADF (Bad file descriptor) [pid 4164] close(25) = -1 EBADF (Bad file descriptor) [pid 4164] close(26) = -1 EBADF (Bad file descriptor) [pid 4164] close(27) = -1 EBADF (Bad file descriptor) [pid 4164] close(28) = -1 EBADF (Bad file descriptor) [pid 4164] close(29) = -1 EBADF (Bad file descriptor) [pid 4164] exit_group(0) = ? [pid 4164] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 224.276919][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806efce400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./71/binderfs") = 0 [pid 3616] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./71/cgroup") = 0 [pid 3616] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./71/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./71/cgroup.net") = 0 [pid 3616] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./71/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./71") = 0 [pid 3616] mkdir("./72", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4166 attached , child_tidptr=0x555556f5d5d0) = 74 [pid 4166] chdir("./72") = 0 [pid 4166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4166] setpgid(0, 0) = 0 [pid 4166] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4166] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4166] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4166] write(3, "1000", 4) = 4 [pid 4166] close(3) = 0 [pid 4166] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4166] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4166] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4166] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4166] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4161] <... sendmsg resumed>) = 106496 [pid 4161] close(3 [pid 4163] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 224.849017][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888075322400: rx timeout, send abort [ 224.857442][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806efcf400: rx timeout, send abort [pid 4163] close(3) = 0 [pid 4163] close(4) = -1 EBADF (Bad file descriptor) [pid 4163] close(5) = -1 EBADF (Bad file descriptor) [pid 4163] close(6) = -1 EBADF (Bad file descriptor) [pid 4163] close(7) = -1 EBADF (Bad file descriptor) [pid 4163] close(8) = -1 EBADF (Bad file descriptor) [pid 4163] close(9) = -1 EBADF (Bad file descriptor) [pid 4163] close(10) = -1 EBADF (Bad file descriptor) [pid 4163] close(11) = -1 EBADF (Bad file descriptor) [pid 4163] close(12) = -1 EBADF (Bad file descriptor) [pid 4163] close(13) = -1 EBADF (Bad file descriptor) [pid 4163] close(14) = -1 EBADF (Bad file descriptor) [pid 4163] close(15) = -1 EBADF (Bad file descriptor) [pid 4163] close(16) = -1 EBADF (Bad file descriptor) [pid 4163] close(17) = -1 EBADF (Bad file descriptor) [pid 4163] close(18) = -1 EBADF (Bad file descriptor) [pid 4163] close(19) = -1 EBADF (Bad file descriptor) [pid 4163] close(20) = -1 EBADF (Bad file descriptor) [pid 4163] close(21) = -1 EBADF (Bad file descriptor) [pid 4163] close(22) = -1 EBADF (Bad file descriptor) [pid 4163] close(23) = -1 EBADF (Bad file descriptor) [pid 4163] close(24) = -1 EBADF (Bad file descriptor) [pid 4163] close(25) = -1 EBADF (Bad file descriptor) [pid 4163] close(26) = -1 EBADF (Bad file descriptor) [pid 4163] close(27) = -1 EBADF (Bad file descriptor) [pid 4163] close(28) = -1 EBADF (Bad file descriptor) [pid 4163] close(29) = -1 EBADF (Bad file descriptor) [pid 4163] exit_group(0) = ? [pid 4163] +++ exited with 0 +++ [ 224.920247][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075322400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 224.934834][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806efcf400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4162] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4162] close(3 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 224.967211][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888075322800: rx timeout, send abort [ 224.975625][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806efcf800: rx timeout, send abort [ 225.003228][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888075322800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4162] <... close resumed>) = 0 [pid 4162] close(4) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4162] close(5 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(6) = -1 EBADF (Bad file descriptor) [pid 3613] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4162] close(7 [pid 3613] <... openat resumed>) = 3 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] fstat(3, [pid 4162] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4162] close(9) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 4162] close(10 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4162] close(11) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4162] close(12 [pid 3613] lstat("./65/binderfs", [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(13) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4162] close(14 [pid 3613] unlink("./65/binderfs" [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(15 [pid 3613] <... unlink resumed>) = 0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4162] close(16 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(17 [ 225.017786][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806efcf800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] lstat("./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./65/cgroup" [pid 4162] close(18 [pid 3613] <... unlink resumed>) = 0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4162] close(19) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4162] close(20 [pid 3613] lstat("./65/cgroup.net", [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(21 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./65/cgroup.net" [pid 4162] close(22) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4162] close(23 [pid 3613] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4162] close(24 [pid 3613] lstat("./65/cgroup.cpu", [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(25 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(26) = -1 EBADF (Bad file descriptor) [pid 4162] close(27) = -1 EBADF (Bad file descriptor) [pid 4162] close(28) = -1 EBADF (Bad file descriptor) [pid 4162] close(29) = -1 EBADF (Bad file descriptor) [pid 4162] exit_group(0 [pid 3613] unlink("./65/cgroup.cpu" [pid 4162] <... exit_group resumed>) = ? [pid 4162] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... unlink resumed>) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] close(3 [pid 3620] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... close resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./73/binderfs") = 0 [pid 3620] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./73/cgroup") = 0 [pid 3620] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./73/cgroup.net") = 0 [pid 3620] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./73/cgroup.cpu") = 0 [pid 3613] rmdir("./65" [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./73") = 0 [pid 3620] mkdir("./74", 0777) = 0 [pid 3613] <... rmdir resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4167 attached [pid 4167] chdir("./74" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 76 [pid 4167] <... chdir resumed>) = 0 [pid 3613] mkdir("./66", 0777 [pid 4167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4167] setpgid(0, 0) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 4167] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4167] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4167] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4167] write(3, "1000", 4) = 4 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 68 ./strace-static-x86_64: Process 4168 attached [pid 4167] close(3 [pid 4168] chdir("./66" [pid 4167] <... close resumed>) = 0 [pid 4167] symlink("/dev/binderfs", "./binderfs" [pid 4168] <... chdir resumed>) = 0 [pid 4167] <... symlink resumed>) = 0 [pid 4167] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4167] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4167] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4167] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4168] <... prctl resumed>) = 0 [pid 4168] setpgid(0, 0) = 0 [pid 4168] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4168] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4168] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4168] write(3, "1000", 4) = 4 [pid 4168] close(3) = 0 [pid 4168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4168] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4168] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4168] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4168] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4165] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4165] close(3 [pid 4166] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 225.295359][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806af31400: rx timeout, send abort [ 225.310749][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f789400: rx timeout, send abort [ 225.319164][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801cb40400: rx timeout, send abort [pid 4166] close(3) = 0 [pid 4165] <... close resumed>) = 0 [pid 4166] close(4 [pid 4165] close(4 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(5 [pid 4165] close(5 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(6 [pid 4165] close(6 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(7 [pid 4165] close(7 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(8 [pid 4165] close(8 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(9 [pid 4165] close(9 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(10 [pid 4165] close(10 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(11 [pid 4165] close(11 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(12 [pid 4165] close(12 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(13 [pid 4165] close(13 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(14 [pid 4165] close(14 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(15 [pid 4165] close(15 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(16 [pid 4165] close(16 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(17 [pid 4165] close(17 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(18 [pid 4165] close(18 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(19 [pid 4165] close(19 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(20 [pid 4165] close(20 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(21 [pid 4165] close(21 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(22 [pid 4165] close(22 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(23 [pid 4165] close(23 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(24 [pid 4165] close(24 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(25 [pid 4165] close(25 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(26 [pid 4165] close(26 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(27 [pid 4165] close(27 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(28 [pid 4165] close(28 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] close(29 [pid 4165] close(29 [pid 4166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4165] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4166] exit_group(0 [pid 4165] exit_group(0 [pid 4166] <... exit_group resumed>) = ? [pid 4165] <... exit_group resumed>) = ? [pid 4166] +++ exited with 0 +++ [pid 4165] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] <... openat resumed>) = 3 [pid 3616] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 3616] fstat(3, [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 225.394950][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806af31400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 225.409554][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f789400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 225.424087][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801cb40400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] getdents64(3, [pid 3616] getdents64(3, [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./73/binderfs", [pid 3616] lstat("./72/binderfs", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./73/binderfs" [pid 3616] unlink("./72/binderfs" [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3619] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./73/cgroup", [pid 3616] lstat("./72/cgroup", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./73/cgroup" [pid 3616] unlink("./72/cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3619] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./73/cgroup.net", [pid 3616] lstat("./72/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./73/cgroup.net" [pid 3616] unlink("./72/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3619] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./73/cgroup.cpu", [pid 3616] lstat("./72/cgroup.cpu", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./73/cgroup.cpu" [pid 3616] unlink("./72/cgroup.cpu" [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3616] getdents64(3, [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3 [pid 3616] close(3 [pid 3619] <... close resumed>) = 0 [pid 3616] <... close resumed>) = 0 [pid 3619] rmdir("./73" [pid 3616] rmdir("./72" [pid 3619] <... rmdir resumed>) = 0 [pid 3616] <... rmdir resumed>) = 0 [pid 3619] mkdir("./74", 0777 [pid 3616] mkdir("./73", 0777 [pid 3619] <... mkdir resumed>) = 0 [pid 3616] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4170 attached ./strace-static-x86_64: Process 4169 attached [pid 4170] chdir("./73" [pid 4169] chdir("./74" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 76 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 75 [pid 4170] <... chdir resumed>) = 0 [pid 4169] <... chdir resumed>) = 0 [pid 4170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4170] <... prctl resumed>) = 0 [pid 4169] <... prctl resumed>) = 0 [pid 4170] setpgid(0, 0 [pid 4169] setpgid(0, 0 [pid 4170] <... setpgid resumed>) = 0 [pid 4169] <... setpgid resumed>) = 0 [pid 4170] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4169] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4170] <... symlink resumed>) = 0 [pid 4169] <... symlink resumed>) = 0 [pid 4170] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4169] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4170] <... symlink resumed>) = 0 [pid 4169] <... symlink resumed>) = 0 [pid 4170] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4169] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4170] <... symlink resumed>) = 0 [pid 4169] <... symlink resumed>) = 0 [pid 4170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4170] <... openat resumed>) = 3 [pid 4169] <... openat resumed>) = 3 [pid 4170] write(3, "1000", 4 [pid 4169] write(3, "1000", 4 [pid 4170] <... write resumed>) = 4 [pid 4169] <... write resumed>) = 4 [pid 4170] close(3 [pid 4169] close(3 [pid 4170] <... close resumed>) = 0 [pid 4169] <... close resumed>) = 0 [pid 4170] symlink("/dev/binderfs", "./binderfs" [pid 4169] symlink("/dev/binderfs", "./binderfs" [pid 4170] <... symlink resumed>) = 0 [pid 4169] <... symlink resumed>) = 0 [pid 4170] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4169] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4170] <... socket resumed>) = 3 [pid 4169] <... socket resumed>) = 3 [pid 4170] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4169] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4170] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4169] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4170] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4169] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4170] <... bind resumed>) = 0 [pid 4169] <... bind resumed>) = 0 [pid 4170] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4169] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4168] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 225.553973][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d54cc00: rx timeout, send abort [pid 4168] close(3) = 0 [ 225.602121][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d54cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 225.616694][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b4af800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4168] close(4) = -1 EBADF (Bad file descriptor) [pid 4168] close(5) = -1 EBADF (Bad file descriptor) [pid 4168] close(6) = -1 EBADF (Bad file descriptor) [pid 4168] close(7) = -1 EBADF (Bad file descriptor) [pid 4168] close(8) = -1 EBADF (Bad file descriptor) [pid 4168] close(9) = -1 EBADF (Bad file descriptor) [pid 4168] close(10) = -1 EBADF (Bad file descriptor) [pid 4168] close(11) = -1 EBADF (Bad file descriptor) [pid 4168] close(12) = -1 EBADF (Bad file descriptor) [pid 4168] close(13) = -1 EBADF (Bad file descriptor) [pid 4168] close(14) = -1 EBADF (Bad file descriptor) [pid 4168] close(15) = -1 EBADF (Bad file descriptor) [pid 4168] close(16) = -1 EBADF (Bad file descriptor) [pid 4168] close(17) = -1 EBADF (Bad file descriptor) [pid 4168] close(18) = -1 EBADF (Bad file descriptor) [pid 4168] close(19) = -1 EBADF (Bad file descriptor) [pid 4168] close(20) = -1 EBADF (Bad file descriptor) [pid 4168] close(21) = -1 EBADF (Bad file descriptor) [pid 4168] close(22) = -1 EBADF (Bad file descriptor) [pid 4168] close(23) = -1 EBADF (Bad file descriptor) [pid 4168] close(24) = -1 EBADF (Bad file descriptor) [pid 4168] close(25) = -1 EBADF (Bad file descriptor) [pid 4168] close(26) = -1 EBADF (Bad file descriptor) [pid 4168] close(27) = -1 EBADF (Bad file descriptor) [pid 4168] close(28) = -1 EBADF (Bad file descriptor) [pid 4168] close(29) = -1 EBADF (Bad file descriptor) [pid 4168] exit_group(0) = ? [pid 4168] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./66/binderfs") = 0 [pid 3613] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./66/cgroup") = 0 [pid 3613] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./66/cgroup.net", [pid 4161] <... close resumed>) = 0 [pid 4161] close(4 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./66/cgroup.net" [pid 4161] close(5) = -1 EBADF (Bad file descriptor) [pid 4161] close(6 [pid 3613] <... unlink resumed>) = 0 [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4161] close(7 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./66/cgroup.cpu", [pid 4161] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4161] close(9 [pid 3613] unlink("./66/cgroup.cpu" [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] close(10) = -1 EBADF (Bad file descriptor) [pid 4161] close(11) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4161] close(12 [pid 3613] getdents64(3, [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4161] close(13 [pid 3613] close(3 [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] close(14 [pid 3613] <... close resumed>) = 0 [pid 3613] rmdir("./66" [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... rmdir resumed>) = 0 [pid 3613] mkdir("./67", 0777 [pid 4161] close(15 [pid 3613] <... mkdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 69 ./strace-static-x86_64: Process 4171 attached [pid 4171] chdir("./67" [pid 4161] close(16 [pid 4171] <... chdir resumed>) = 0 [pid 4171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4171] setpgid(0, 0) = 0 [pid 4171] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4171] <... symlink resumed>) = 0 [pid 4171] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4171] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4171] write(3, "1000", 4) = 4 [pid 4171] close(3) = 0 [pid 4171] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4171] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4161] close(17 [pid 4171] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4171] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4161] close(18 [pid 4171] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4171] <... bind resumed>) = 0 [pid 4161] close(19 [pid 4171] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4161] close(20) = -1 EBADF (Bad file descriptor) [pid 4161] close(21) = -1 EBADF (Bad file descriptor) [pid 4161] close(22) = -1 EBADF (Bad file descriptor) [pid 4161] close(23) = -1 EBADF (Bad file descriptor) [pid 4161] close(24) = -1 EBADF (Bad file descriptor) [pid 4169] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4161] close(25) = -1 EBADF (Bad file descriptor) [pid 4161] close(26) = -1 EBADF (Bad file descriptor) [pid 4161] close(27) = -1 EBADF (Bad file descriptor) [pid 4161] close(28) = -1 EBADF (Bad file descriptor) [pid 4161] close(29) = -1 EBADF (Bad file descriptor) [pid 4169] close(3 [pid 4161] exit_group(0) = ? [pid 4161] +++ exited with 0 +++ [pid 4169] <... close resumed>) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 4169] close(4 [pid 3617] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 225.928862][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807e5cc800: rx timeout, send abort [ 225.940443][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807e5cc800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 225.955001][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801c51ec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] getdents64(3, [pid 4169] close(5 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./71/binderfs") = 0 [pid 3617] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./71/cgroup") = 0 [pid 3617] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./71/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./71/cgroup.net") = 0 [pid 4169] close(6 [pid 3617] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./71/cgroup.cpu", [pid 4169] close(7 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./71/cgroup.cpu") = 0 [pid 3617] getdents64(3, [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./71" [pid 4169] close(8 [pid 3617] <... rmdir resumed>) = 0 [pid 3617] mkdir("./72", 0777) = 0 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4172 attached [pid 4172] chdir("./72" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 74 [pid 4172] <... chdir resumed>) = 0 [pid 4172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4172] setpgid(0, 0) = 0 [pid 4172] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4169] close(9 [pid 4172] <... symlink resumed>) = 0 [pid 4172] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] <... symlink resumed>) = 0 [pid 4169] close(10 [pid 4172] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] <... symlink resumed>) = 0 [pid 4169] close(11 [pid 4172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4172] write(3, "1000", 4) = 4 [pid 4172] close(3) = 0 [pid 4172] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4172] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4172] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4172] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4172] <... bind resumed>) = 0 [pid 4169] close(12 [pid 4172] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(13) = -1 EBADF (Bad file descriptor) [pid 4169] close(14) = -1 EBADF (Bad file descriptor) [pid 4169] close(15) = -1 EBADF (Bad file descriptor) [pid 4169] close(16) = -1 EBADF (Bad file descriptor) [pid 4169] close(17) = -1 EBADF (Bad file descriptor) [pid 4169] close(18) = -1 EBADF (Bad file descriptor) [pid 4169] close(19) = -1 EBADF (Bad file descriptor) [pid 4169] close(20) = -1 EBADF (Bad file descriptor) [pid 4169] close(21) = -1 EBADF (Bad file descriptor) [pid 4169] close(22) = -1 EBADF (Bad file descriptor) [pid 4169] close(23) = -1 EBADF (Bad file descriptor) [pid 4169] close(24) = -1 EBADF (Bad file descriptor) [pid 4169] close(25) = -1 EBADF (Bad file descriptor) [pid 4169] close(26) = -1 EBADF (Bad file descriptor) [pid 4169] close(27) = -1 EBADF (Bad file descriptor) [pid 4169] close(28) = -1 EBADF (Bad file descriptor) [pid 4169] close(29) = -1 EBADF (Bad file descriptor) [pid 4169] exit_group(0) = ? [pid 4169] +++ exited with 0 +++ [ 226.149635][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d54d400: rx timeout, send abort [ 226.158132][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b4afc00: rx timeout, send abort [ 226.173038][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d54d400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4167] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4167] close(3 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4167] <... close resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 4157] <... close resumed>) = 0 [pid 4167] close(4 [pid 4157] close(4) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(5) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4167] close(5 [pid 4157] close(6 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(6 [pid 4157] close(7 [pid 3619] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4157] close(8 [pid 4167] close(7 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(9 [pid 4167] close(8 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(10 [pid 3619] getdents64(3, [pid 4167] close(9 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(11 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4167] close(10 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(12 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4167] close(11 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./74/binderfs", [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(13 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4167] close(12 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./74/binderfs" [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(14 [pid 4167] close(13 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(15 [pid 3619] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4167] close(14 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(16 [pid 3619] lstat("./74/cgroup", [pid 4167] close(15 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(17 [pid 3619] unlink("./74/cgroup" [pid 4167] close(16 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(18 [pid 3619] <... unlink resumed>) = 0 [pid 4167] close(17 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(19 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4167] close(18 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./74/cgroup.net", [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(20 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4167] close(19 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 226.187738][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b4afc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] unlink("./74/cgroup.net" [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(21 [pid 3619] <... unlink resumed>) = 0 [pid 4167] close(20 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(22 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4167] close(21 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./74/cgroup.cpu", [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(23 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4167] close(22 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./74/cgroup.cpu" [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(24 [pid 3619] <... unlink resumed>) = 0 [pid 4167] close(23 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(25 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4167] close(24 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(26 [pid 3619] <... close resumed>) = 0 [pid 4167] close(25 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] rmdir("./74" [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(27 [pid 3619] <... rmdir resumed>) = 0 [pid 4167] close(26 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] mkdir("./75", 0777 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(28 [pid 3619] <... mkdir resumed>) = 0 [pid 4167] close(27 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4173 attached [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] close(29 [pid 4173] chdir("./75" [pid 4167] close(28 [pid 4157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 77 [pid 4173] <... chdir resumed>) = 0 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] exit_group(0 [pid 4173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4167] close(29 [pid 4157] <... exit_group resumed>) = ? [pid 4173] <... prctl resumed>) = 0 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4157] +++ exited with 0 +++ [pid 4173] setpgid(0, 0 [pid 4167] exit_group(0 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4173] <... setpgid resumed>) = 0 [pid 4167] <... exit_group resumed>) = ? [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 4173] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4167] +++ exited with 0 +++ [pid 3618] <... restart_syscall resumed>) = 0 [pid 4173] <... symlink resumed>) = 0 [pid 4173] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4173] <... symlink resumed>) = 0 [pid 3618] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4173] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4173] <... symlink resumed>) = 0 [pid 3618] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] <... openat resumed>) = 3 [pid 4173] <... openat resumed>) = 3 [pid 3618] fstat(3, [pid 4173] write(3, "1000", 4 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4173] <... write resumed>) = 4 [pid 3618] getdents64(3, [pid 4173] close(3 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4173] <... close resumed>) = 0 [pid 3618] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4173] symlink("/dev/binderfs", "./binderfs" [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4173] <... symlink resumed>) = 0 [pid 3618] lstat("./76/binderfs", [pid 4173] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4173] <... socket resumed>) = 3 [pid 3618] unlink("./76/binderfs" [pid 4173] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3618] <... unlink resumed>) = 0 [pid 4173] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3618] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4173] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4173] <... bind resumed>) = 0 [pid 3618] lstat("./76/cgroup", [pid 4173] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./76/cgroup") = 0 [pid 3618] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./76/cgroup.net" [pid 3620] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... unlink resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./76/cgroup.cpu" [pid 3620] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] <... unlink resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] fstat(3, [pid 3618] close(3) = 0 [pid 3618] rmdir("./76") = 0 [pid 3618] mkdir("./77", 0777 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... mkdir resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4174 attached [pid 3620] getdents64(3, [pid 4174] chdir("./77" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 79 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4174] <... chdir resumed>) = 0 [pid 3620] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4174] <... prctl resumed>) = 0 [pid 3620] lstat("./74/binderfs", [pid 4174] setpgid(0, 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4174] <... setpgid resumed>) = 0 [pid 3620] unlink("./74/binderfs" [pid 4174] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4174] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3620] <... unlink resumed>) = 0 [pid 4174] <... symlink resumed>) = 0 [pid 4174] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4174] <... openat resumed>) = 3 [pid 4174] write(3, "1000", 4) = 4 [pid 4174] close(3) = 0 [pid 4174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4174] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4174] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4174] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4174] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./74/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./74/cgroup") = 0 [pid 3620] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./74/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./74/cgroup.net") = 0 [pid 3620] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./74/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./74") = 0 [pid 3620] mkdir("./75", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4175 attached [pid 4175] chdir("./75" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 77 [pid 4175] <... chdir resumed>) = 0 [pid 4175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4175] setpgid(0, 0) = 0 [pid 4175] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4175] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4175] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4175] write(3, "1000", 4) = 4 [pid 4175] close(3) = 0 [pid 4175] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4175] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4175] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4175] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4175] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4170] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 226.498732][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807e5ccc00: rx timeout, send abort [ 226.507176][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801c51cc00: rx timeout, send abort [ 226.528612][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807e5ccc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4170] close(3) = 0 [pid 4170] close(4) = -1 EBADF (Bad file descriptor) [pid 4170] close(5) = -1 EBADF (Bad file descriptor) [pid 4170] close(6) = -1 EBADF (Bad file descriptor) [pid 4170] close(7) = -1 EBADF (Bad file descriptor) [pid 4170] close(8) = -1 EBADF (Bad file descriptor) [pid 4170] close(9) = -1 EBADF (Bad file descriptor) [pid 4170] close(10) = -1 EBADF (Bad file descriptor) [pid 4170] close(11) = -1 EBADF (Bad file descriptor) [pid 4170] close(12) = -1 EBADF (Bad file descriptor) [pid 4170] close(13) = -1 EBADF (Bad file descriptor) [pid 4170] close(14) = -1 EBADF (Bad file descriptor) [pid 4170] close(15) = -1 EBADF (Bad file descriptor) [pid 4170] close(16) = -1 EBADF (Bad file descriptor) [pid 4170] close(17) = -1 EBADF (Bad file descriptor) [pid 4170] close(18) = -1 EBADF (Bad file descriptor) [pid 4170] close(19) = -1 EBADF (Bad file descriptor) [pid 4170] close(20) = -1 EBADF (Bad file descriptor) [pid 4170] close(21) = -1 EBADF (Bad file descriptor) [pid 4170] close(22) = -1 EBADF (Bad file descriptor) [pid 4170] close(23) = -1 EBADF (Bad file descriptor) [pid 4170] close(24) = -1 EBADF (Bad file descriptor) [pid 4170] close(25) = -1 EBADF (Bad file descriptor) [pid 4170] close(26) = -1 EBADF (Bad file descriptor) [pid 4170] close(27) = -1 EBADF (Bad file descriptor) [ 226.543199][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801c51cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4170] close(28) = -1 EBADF (Bad file descriptor) [pid 4170] close(29) = -1 EBADF (Bad file descriptor) [pid 4170] exit_group(0) = ? [pid 4170] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./73/binderfs") = 0 [pid 3616] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./73/cgroup") = 0 [pid 3616] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./73/cgroup.net") = 0 [pid 3616] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./73/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./73") = 0 [pid 3616] mkdir("./74", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4176 attached [pid 4176] chdir("./74" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 76 [pid 4176] <... chdir resumed>) = 0 [pid 4176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4176] setpgid(0, 0) = 0 [pid 4176] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4176] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4176] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4176] write(3, "1000", 4) = 4 [pid 4176] close(3) = 0 [pid 4176] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4176] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4176] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4176] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4176] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4172] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 227.034763][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888074f38000: rx timeout, send abort [ 227.043192][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806edbb000: rx timeout, send abort [pid 4172] close(3) = 0 [pid 4172] close(4) = -1 EBADF (Bad file descriptor) [pid 4172] close(5) = -1 EBADF (Bad file descriptor) [pid 4172] close(6) = -1 EBADF (Bad file descriptor) [pid 4172] close(7) = -1 EBADF (Bad file descriptor) [pid 4172] close(8) = -1 EBADF (Bad file descriptor) [pid 4172] close(9) = -1 EBADF (Bad file descriptor) [pid 4172] close(10) = -1 EBADF (Bad file descriptor) [pid 4172] close(11) = -1 EBADF (Bad file descriptor) [pid 4172] close(12) = -1 EBADF (Bad file descriptor) [pid 4172] close(13) = -1 EBADF (Bad file descriptor) [pid 4172] close(14) = -1 EBADF (Bad file descriptor) [pid 4172] close(15) = -1 EBADF (Bad file descriptor) [pid 4172] close(16) = -1 EBADF (Bad file descriptor) [pid 4172] close(17) = -1 EBADF (Bad file descriptor) [pid 4172] close(18) = -1 EBADF (Bad file descriptor) [pid 4172] close(19) = -1 EBADF (Bad file descriptor) [pid 4172] close(20) = -1 EBADF (Bad file descriptor) [pid 4172] close(21) = -1 EBADF (Bad file descriptor) [pid 4172] close(22) = -1 EBADF (Bad file descriptor) [pid 4172] close(23) = -1 EBADF (Bad file descriptor) [pid 4172] close(24) = -1 EBADF (Bad file descriptor) [pid 4172] close(25) = -1 EBADF (Bad file descriptor) [pid 4172] close(26) = -1 EBADF (Bad file descriptor) [pid 4172] close(27) = -1 EBADF (Bad file descriptor) [pid 4172] close(28) = -1 EBADF (Bad file descriptor) [pid 4172] close(29) = -1 EBADF (Bad file descriptor) [pid 4172] exit_group(0) = ? [pid 4172] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 227.129841][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074f38000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 227.144439][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806edbb000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./72/binderfs") = 0 [pid 3617] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./72/cgroup") = 0 [pid 3617] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./72/cgroup.net") = 0 [pid 3617] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./72/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./72") = 0 [pid 3617] mkdir("./73", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4177 attached [pid 4177] chdir("./73" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 75 [pid 4177] <... chdir resumed>) = 0 [pid 4177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4177] setpgid(0, 0) = 0 [pid 4177] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4177] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4177] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4177] write(3, "1000", 4) = 4 [pid 4177] close(3) = 0 [pid 4177] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4177] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4177] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4177] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4177] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4174] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 227.256005][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806db73400: rx timeout, send abort [ 227.264467][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806db72c00: rx timeout, send abort [pid 4174] close(3) = 0 [pid 4174] close(4) = -1 EBADF (Bad file descriptor) [pid 4174] close(5) = -1 EBADF (Bad file descriptor) [pid 4174] close(6) = -1 EBADF (Bad file descriptor) [pid 4174] close(7) = -1 EBADF (Bad file descriptor) [pid 4174] close(8) = -1 EBADF (Bad file descriptor) [ 227.307503][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806db73400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 227.322053][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806db72c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4174] close(9) = -1 EBADF (Bad file descriptor) [pid 4174] close(10) = -1 EBADF (Bad file descriptor) [pid 4174] close(11) = -1 EBADF (Bad file descriptor) [pid 4174] close(12) = -1 EBADF (Bad file descriptor) [pid 4174] close(13) = -1 EBADF (Bad file descriptor) [pid 4174] close(14) = -1 EBADF (Bad file descriptor) [pid 4174] close(15) = -1 EBADF (Bad file descriptor) [pid 4174] close(16) = -1 EBADF (Bad file descriptor) [pid 4174] close(17) = -1 EBADF (Bad file descriptor) [pid 4174] close(18) = -1 EBADF (Bad file descriptor) [pid 4174] close(19) = -1 EBADF (Bad file descriptor) [pid 4174] close(20) = -1 EBADF (Bad file descriptor) [pid 4174] close(21) = -1 EBADF (Bad file descriptor) [pid 4174] close(22) = -1 EBADF (Bad file descriptor) [pid 4174] close(23) = -1 EBADF (Bad file descriptor) [pid 4174] close(24) = -1 EBADF (Bad file descriptor) [pid 4174] close(25) = -1 EBADF (Bad file descriptor) [pid 4174] close(26) = -1 EBADF (Bad file descriptor) [pid 4174] close(27) = -1 EBADF (Bad file descriptor) [pid 4174] close(28) = -1 EBADF (Bad file descriptor) [pid 4174] close(29) = -1 EBADF (Bad file descriptor) [pid 4174] exit_group(0) = ? [pid 4174] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./77/binderfs") = 0 [pid 3618] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./77/cgroup") = 0 [pid 3618] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./77/cgroup.net") = 0 [pid 3618] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./77/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./77") = 0 [pid 3618] mkdir("./78", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4178 attached [pid 4178] chdir("./78" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 80 [pid 4178] <... chdir resumed>) = 0 [pid 4178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4178] setpgid(0, 0) = 0 [pid 4178] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4178] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4178] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4178] write(3, "1000", 4) = 4 [pid 4178] close(3) = 0 [pid 4178] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4178] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4178] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4178] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4178] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4173] <... sendmsg resumed>) = 106496 [pid 4173] close(3 [pid 4177] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 228.326620][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880761bc400: rx timeout, send abort [ 228.335060][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807736f400: rx timeout, send abort [pid 4177] close(3) = 0 [pid 4177] close(4) = -1 EBADF (Bad file descriptor) [pid 4177] close(5) = -1 EBADF (Bad file descriptor) [pid 4177] close(6) = -1 EBADF (Bad file descriptor) [pid 4177] close(7) = -1 EBADF (Bad file descriptor) [pid 4177] close(8) = -1 EBADF (Bad file descriptor) [pid 4177] close(9) = -1 EBADF (Bad file descriptor) [pid 4177] close(10) = -1 EBADF (Bad file descriptor) [pid 4177] close(11) = -1 EBADF (Bad file descriptor) [pid 4177] close(12) = -1 EBADF (Bad file descriptor) [pid 4177] close(13) = -1 EBADF (Bad file descriptor) [pid 4177] close(14) = -1 EBADF (Bad file descriptor) [pid 4177] close(15) = -1 EBADF (Bad file descriptor) [pid 4177] close(16) = -1 EBADF (Bad file descriptor) [pid 4177] close(17) = -1 EBADF (Bad file descriptor) [pid 4177] close(18) = -1 EBADF (Bad file descriptor) [pid 4177] close(19) = -1 EBADF (Bad file descriptor) [pid 4177] close(20) = -1 EBADF (Bad file descriptor) [pid 4177] close(21) = -1 EBADF (Bad file descriptor) [pid 4177] close(22) = -1 EBADF (Bad file descriptor) [pid 4177] close(23) = -1 EBADF (Bad file descriptor) [pid 4177] close(24) = -1 EBADF (Bad file descriptor) [ 228.492915][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880761bc400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 228.507499][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807736f400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4177] close(25) = -1 EBADF (Bad file descriptor) [pid 4177] close(26) = -1 EBADF (Bad file descriptor) [pid 4177] close(27) = -1 EBADF (Bad file descriptor) [pid 4177] close(28) = -1 EBADF (Bad file descriptor) [pid 4177] close(29) = -1 EBADF (Bad file descriptor) [pid 4177] exit_group(0) = ? [pid 4177] +++ exited with 0 +++ [pid 4171] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4171] close(3 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./73/binderfs") = 0 [pid 3617] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./73/cgroup") = 0 [pid 3617] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 228.569419][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806dd1b000: rx timeout, send abort [ 228.577843][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806dd19000: rx timeout, send abort [pid 3617] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./73/cgroup.net") = 0 [pid 3617] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./73/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./73") = 0 [pid 3617] mkdir("./74", 0777 [pid 4171] <... close resumed>) = 0 [pid 3617] <... mkdir resumed>) = 0 [pid 4171] close(4 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 76 ./strace-static-x86_64: Process 4179 attached [pid 4171] close(5 [pid 4179] chdir("./74" [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... chdir resumed>) = 0 [pid 4171] close(6 [pid 4179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... prctl resumed>) = 0 [pid 4171] close(7 [pid 4179] setpgid(0, 0 [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... setpgid resumed>) = 0 [pid 4171] close(8 [pid 4179] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 228.644612][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806dd1b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 228.659155][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806dd19000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4179] <... symlink resumed>) = 0 [pid 4171] close(9 [pid 4179] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... symlink resumed>) = 0 [pid 4171] close(10 [pid 4179] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... symlink resumed>) = 0 [pid 4171] close(11 [pid 4179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... openat resumed>) = 3 [pid 4171] close(12 [pid 4179] write(3, "1000", 4 [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... write resumed>) = 4 [pid 4171] close(13 [pid 4179] close(3 [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... close resumed>) = 0 [pid 4171] close(14 [pid 4179] symlink("/dev/binderfs", "./binderfs" [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... symlink resumed>) = 0 [pid 4171] close(15 [pid 4179] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... socket resumed>) = 3 [pid 4171] close(16 [pid 4179] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4171] close(17 [pid 4179] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] <... bind resumed>) = 0 [pid 4171] close(18 [pid 4179] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4171] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4171] close(19) = -1 EBADF (Bad file descriptor) [pid 4171] close(20) = -1 EBADF (Bad file descriptor) [pid 4171] close(21) = -1 EBADF (Bad file descriptor) [pid 4171] close(22) = -1 EBADF (Bad file descriptor) [pid 4171] close(23) = -1 EBADF (Bad file descriptor) [pid 4171] close(24) = -1 EBADF (Bad file descriptor) [pid 4171] close(25) = -1 EBADF (Bad file descriptor) [pid 4171] close(26) = -1 EBADF (Bad file descriptor) [pid 4171] close(27) = -1 EBADF (Bad file descriptor) [pid 4171] close(28) = -1 EBADF (Bad file descriptor) [pid 4171] close(29) = -1 EBADF (Bad file descriptor) [pid 4171] exit_group(0) = ? [pid 4171] +++ exited with 0 +++ [pid 4173] <... close resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4173] close(4) = -1 EBADF (Bad file descriptor) [pid 4173] close(5 [pid 3613] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4173] close(6 [pid 3613] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... openat resumed>) = 3 [pid 4173] close(7 [pid 3613] fstat(3, [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4173] close(8 [pid 3613] getdents64(3, [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4173] close(9 [pid 3613] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4173] close(10 [pid 3613] lstat("./67/binderfs", [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4173] close(11 [pid 3613] unlink("./67/binderfs" [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4173] close(12 [pid 3613] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4173] close(13 [pid 3613] lstat("./67/cgroup", [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4173] close(14 [pid 3613] unlink("./67/cgroup" [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4173] close(15 [pid 3613] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4173] close(16 [pid 3613] lstat("./67/cgroup.net", [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4173] close(17 [pid 3613] unlink("./67/cgroup.net" [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4173] close(18 [pid 3613] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4173] close(19 [pid 3613] lstat("./67/cgroup.cpu", [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4173] close(20 [pid 3613] unlink("./67/cgroup.cpu" [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4173] close(21 [pid 3613] getdents64(3, [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4173] close(22 [pid 3613] close(3 [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... close resumed>) = 0 [pid 4173] close(23 [pid 3613] rmdir("./67" [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... rmdir resumed>) = 0 [pid 4173] close(24 [pid 3613] mkdir("./68", 0777 [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... mkdir resumed>) = 0 [pid 4173] close(25 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4180 attached [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4180] chdir("./68" [pid 4173] close(26 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 70 [pid 4180] <... chdir resumed>) = 0 [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4173] close(27 [pid 4180] <... prctl resumed>) = 0 [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4180] setpgid(0, 0 [pid 4173] close(28 [pid 4180] <... setpgid resumed>) = 0 [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4180] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4173] close(29 [pid 4180] <... symlink resumed>) = 0 [pid 4173] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4180] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4173] exit_group(0 [pid 4180] <... symlink resumed>) = 0 [pid 4173] <... exit_group resumed>) = ? [pid 4180] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4173] +++ exited with 0 +++ [pid 4180] <... symlink resumed>) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4180] write(3, "1000", 4 [pid 3619] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4180] <... write resumed>) = 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4180] close(3 [pid 3619] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4180] <... close resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 4180] symlink("/dev/binderfs", "./binderfs" [pid 3619] fstat(3, [pid 4180] <... symlink resumed>) = 0 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4180] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] getdents64(3, [pid 4180] <... socket resumed>) = 3 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4180] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3619] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4180] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4180] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] lstat("./75/binderfs", [pid 4180] <... bind resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4180] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] unlink("./75/binderfs") = 0 [pid 3619] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./75/cgroup") = 0 [pid 3619] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./75/cgroup.net") = 0 [pid 3619] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./75/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./75") = 0 [pid 3619] mkdir("./76", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 78 ./strace-static-x86_64: Process 4181 attached [pid 4181] chdir("./76") = 0 [pid 4181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4181] setpgid(0, 0) = 0 [pid 4181] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4181] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4181] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4181] write(3, "1000", 4) = 4 [pid 4181] close(3) = 0 [pid 4181] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4181] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4181] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4181] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4181] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4179] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 229.824089][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065ae1000: rx timeout, send abort [ 229.832522][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f09c800: rx timeout, send abort [pid 4179] close(3 [pid 4181] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4179] <... close resumed>) = 0 [pid 4181] close(3 [pid 4179] close(4) = -1 EBADF (Bad file descriptor) [pid 4179] close(5) = -1 EBADF (Bad file descriptor) [pid 4179] close(6) = -1 EBADF (Bad file descriptor) [pid 4179] close(7) = -1 EBADF (Bad file descriptor) [ 229.943343][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065ae1000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 229.957987][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f09c800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 229.966733][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068cfc800: rx timeout, send abort [ 229.980713][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068cfd000: rx timeout, send abort [pid 4179] close(8 [pid 4181] <... close resumed>) = 0 [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(4 [pid 4179] close(9 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(5) = -1 EBADF (Bad file descriptor) [pid 4181] close(6) = -1 EBADF (Bad file descriptor) [pid 4181] close(7) = -1 EBADF (Bad file descriptor) [pid 4181] close(8) = -1 EBADF (Bad file descriptor) [pid 4181] close(9) = -1 EBADF (Bad file descriptor) [pid 4181] close(10) = -1 EBADF (Bad file descriptor) [pid 4181] close(11) = -1 EBADF (Bad file descriptor) [pid 4181] close(12) = -1 EBADF (Bad file descriptor) [pid 4181] close(13) = -1 EBADF (Bad file descriptor) [pid 4181] close(14) = -1 EBADF (Bad file descriptor) [pid 4181] close(15) = -1 EBADF (Bad file descriptor) [pid 4181] close(16) = -1 EBADF (Bad file descriptor) [pid 4181] close(17) = -1 EBADF (Bad file descriptor) [pid 4181] close(18) = -1 EBADF (Bad file descriptor) [pid 4181] close(19) = -1 EBADF (Bad file descriptor) [pid 4181] close(20) = -1 EBADF (Bad file descriptor) [pid 4181] close(21) = -1 EBADF (Bad file descriptor) [pid 4181] close(22 [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(23) = -1 EBADF (Bad file descriptor) [pid 4181] close(24) = -1 EBADF (Bad file descriptor) [pid 4181] close(25) = -1 EBADF (Bad file descriptor) [pid 4181] close(26 [pid 4179] close(10 [pid 4181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4181] close(27) = -1 EBADF (Bad file descriptor) [pid 4181] close(28) = -1 EBADF (Bad file descriptor) [pid 4181] close(29) = -1 EBADF (Bad file descriptor) [pid 4181] exit_group(0) = ? [pid 4181] +++ exited with 0 +++ [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] close(11 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] close(12) = -1 EBADF (Bad file descriptor) [pid 4179] close(13 [pid 3619] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4179] close(14 [pid 3619] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] close(15 [pid 3619] <... openat resumed>) = 3 [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] fstat(3, [pid 4179] close(16 [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4179] close(17) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4179] close(18 [ 230.003672][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068cfc800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 230.018285][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068cfd000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4179] close(19 [pid 3619] lstat("./76/binderfs", [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] close(20 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./76/binderfs" [pid 4179] close(21 [pid 3619] <... unlink resumed>) = 0 [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4179] close(22 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./76/cgroup", [pid 4179] close(23 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] unlink("./76/cgroup" [pid 4179] close(24) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4179] close(25 [pid 3619] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4179] close(26 [pid 3619] lstat("./76/cgroup.net", [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4179] close(27 [pid 3619] unlink("./76/cgroup.net" [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4179] close(28 [pid 3619] <... unlink resumed>) = 0 [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4179] close(29 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./76/cgroup.cpu", [pid 4179] exit_group(0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4179] <... exit_group resumed>) = ? [pid 4179] +++ exited with 0 +++ [pid 3619] unlink("./76/cgroup.cpu" [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... unlink resumed>) = 0 [pid 3617] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] getdents64(3, [pid 3617] <... openat resumed>) = 3 [pid 3617] fstat(3, [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./74/binderfs", [pid 3619] close(3 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./74/binderfs") = 0 [pid 3617] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... close resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./74/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./74/cgroup" [pid 3619] rmdir("./76" [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] <... rmdir resumed>) = 0 [pid 3617] lstat("./74/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./74/cgroup.net") = 0 [pid 3617] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] mkdir("./77", 0777 [pid 3617] unlink("./74/cgroup.cpu" [pid 4180] <... sendmsg resumed>) = 106496 [pid 3619] <... mkdir resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 4180] close(3 [pid 3617] getdents64(3, [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./74") = 0 [pid 3617] mkdir("./75", 0777./strace-static-x86_64: Process 4182 attached ) = 0 [pid 4182] chdir("./77" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 79 [pid 4182] <... chdir resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4182] setpgid(0, 0) = 0 [pid 4182] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4182] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu"./strace-static-x86_64: Process 4183 attached ) = 0 [pid 4182] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 77 [pid 4183] chdir("./75" [pid 4182] <... openat resumed>) = 3 [pid 4182] write(3, "1000", 4) = 4 [pid 4182] close(3) = 0 [pid 4182] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4182] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4182] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4182] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4182] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4183] <... chdir resumed>) = 0 [pid 4183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4183] setpgid(0, 0) = 0 [pid 4183] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4183] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4183] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4183] write(3, "1000", 4) = 4 [pid 4183] close(3) = 0 [pid 4183] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4183] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4183] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4183] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4183] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4175] <... sendmsg resumed>) = 106496 [pid 4175] close(3 [pid 4176] <... sendmsg resumed>) = 106496 [pid 4176] close(3 [pid 4183] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 231.194748][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806731ac00: rx timeout, send abort [ 231.203240][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806731a800: rx timeout, send abort [ 231.219037][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806731ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 231.233699][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806731a800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4183] close(3) = 0 [pid 4183] close(4) = -1 EBADF (Bad file descriptor) [pid 4183] close(5) = -1 EBADF (Bad file descriptor) [pid 4183] close(6) = -1 EBADF (Bad file descriptor) [pid 4183] close(7) = -1 EBADF (Bad file descriptor) [pid 4183] close(8) = -1 EBADF (Bad file descriptor) [pid 4183] close(9) = -1 EBADF (Bad file descriptor) [pid 4183] close(10) = -1 EBADF (Bad file descriptor) [pid 4183] close(11) = -1 EBADF (Bad file descriptor) [pid 4183] close(12) = -1 EBADF (Bad file descriptor) [pid 4183] close(13) = -1 EBADF (Bad file descriptor) [pid 4183] close(14) = -1 EBADF (Bad file descriptor) [pid 4183] close(15) = -1 EBADF (Bad file descriptor) [pid 4183] close(16) = -1 EBADF (Bad file descriptor) [pid 4183] close(17) = -1 EBADF (Bad file descriptor) [pid 4183] close(18) = -1 EBADF (Bad file descriptor) [pid 4183] close(19) = -1 EBADF (Bad file descriptor) [pid 4183] close(20) = -1 EBADF (Bad file descriptor) [pid 4183] close(21) = -1 EBADF (Bad file descriptor) [pid 4183] close(22) = -1 EBADF (Bad file descriptor) [pid 4183] close(23) = -1 EBADF (Bad file descriptor) [pid 4183] close(24) = -1 EBADF (Bad file descriptor) [pid 4183] close(25) = -1 EBADF (Bad file descriptor) [pid 4183] close(26) = -1 EBADF (Bad file descriptor) [pid 4183] close(27) = -1 EBADF (Bad file descriptor) [pid 4183] close(28) = -1 EBADF (Bad file descriptor) [pid 4183] close(29) = -1 EBADF (Bad file descriptor) [pid 4183] exit_group(0) = ? [pid 4183] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./75/binderfs") = 0 [pid 3617] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./75/cgroup") = 0 [pid 3617] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./75/cgroup.net") = 0 [pid 3617] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./75/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./75") = 0 [pid 3617] mkdir("./76", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4184 attached , child_tidptr=0x555556f5d5d0) = 78 [pid 4184] chdir("./76") = 0 [pid 4184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4184] setpgid(0, 0) = 0 [pid 4184] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4184] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4184] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4184] write(3, "1000", 4) = 4 [pid 4184] close(3) = 0 [pid 4184] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4184] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4184] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4184] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4182] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4182] close(3 [ 231.315160][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806fa14800: rx timeout, send abort [ 231.323600][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806ed25c00: rx timeout, send abort [pid 4184] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4182] <... close resumed>) = 0 [pid 4182] close(4) = -1 EBADF (Bad file descriptor) [pid 4182] close(5) = -1 EBADF (Bad file descriptor) [pid 4182] close(6) = -1 EBADF (Bad file descriptor) [pid 4182] close(7) = -1 EBADF (Bad file descriptor) [pid 4182] close(8) = -1 EBADF (Bad file descriptor) [pid 4182] close(9) = -1 EBADF (Bad file descriptor) [pid 4182] close(10) = -1 EBADF (Bad file descriptor) [pid 4182] close(11) = -1 EBADF (Bad file descriptor) [pid 4182] close(12) = -1 EBADF (Bad file descriptor) [pid 4182] close(13) = -1 EBADF (Bad file descriptor) [pid 4182] close(14) = -1 EBADF (Bad file descriptor) [pid 4182] close(15) = -1 EBADF (Bad file descriptor) [pid 4182] close(16) = -1 EBADF (Bad file descriptor) [pid 4182] close(17) = -1 EBADF (Bad file descriptor) [pid 4182] close(18) = -1 EBADF (Bad file descriptor) [ 231.395036][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fa14800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 231.409611][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ed25c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4182] close(19) = -1 EBADF (Bad file descriptor) [pid 3620] kill(-77, SIGKILL [pid 4182] close(20) = -1 EBADF (Bad file descriptor) [pid 3620] <... kill resumed>) = 0 [pid 3620] kill(77, SIGKILL) = 0 [pid 4182] close(21 [pid 4175] <... close resumed>) = ? [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4175] +++ killed by SIGKILL +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=77, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3620] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4182] close(22 [pid 3620] <... openat resumed>) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./75/binderfs", [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4182] close(23 [pid 3620] unlink("./75/binderfs") = 0 [pid 3620] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./75/cgroup") = 0 [pid 3620] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./75/cgroup.net", [pid 4182] close(24 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./75/cgroup.net" [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 4182] close(25 [pid 3620] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./75/cgroup.cpu" [pid 4182] close(26 [pid 3620] <... unlink resumed>) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] close(3) = 0 [pid 3620] rmdir("./75" [pid 4182] close(27 [pid 3620] <... rmdir resumed>) = 0 [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] mkdir("./76", 0777 [pid 4182] close(28 [pid 3620] <... mkdir resumed>) = 0 [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4182] close(29./strace-static-x86_64: Process 4185 attached [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 78 [pid 4182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] chdir("./76" [pid 4182] exit_group(0 [pid 4185] <... chdir resumed>) = 0 [pid 4182] <... exit_group resumed>) = ? [pid 4185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4182] +++ exited with 0 +++ [pid 4185] <... prctl resumed>) = 0 [pid 4185] setpgid(0, 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4185] <... setpgid resumed>) = 0 [pid 4185] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4185] <... symlink resumed>) = 0 [pid 3619] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4185] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3619] <... openat resumed>) = 3 [pid 4185] <... symlink resumed>) = 0 [pid 3619] fstat(3, [pid 4185] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4185] <... symlink resumed>) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./77/binderfs", [pid 4185] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4185] write(3, "1000", 4 [pid 3619] unlink("./77/binderfs") = 0 [pid 3619] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4185] <... write resumed>) = 4 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./77/cgroup") = 0 [pid 3619] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./77/cgroup.net" [pid 4185] close(3 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./77/cgroup.cpu") = 0 [pid 3619] getdents64(3, [pid 4185] <... close resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./77") = 0 [pid 3619] mkdir("./78", 0777 [pid 4185] symlink("/dev/binderfs", "./binderfs" [pid 3619] <... mkdir resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 80 ./strace-static-x86_64: Process 4186 attached [pid 4185] <... symlink resumed>) = 0 [pid 4186] chdir("./78" [pid 4185] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3616] kill(-76, SIGKILL [pid 4176] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 4186] <... chdir resumed>) = 0 [pid 4185] <... socket resumed>) = 3 [pid 4186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4185] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4176] +++ killed by SIGKILL +++ [pid 3616] kill(76, SIGKILL [pid 4186] <... prctl resumed>) = 0 [pid 4185] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3616] <... kill resumed>) = 0 [pid 4185] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=76, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 4185] <... bind resumed>) = 0 [pid 4185] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4186] setpgid(0, 0) = 0 [pid 3616] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4186] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3616] <... openat resumed>) = 3 [pid 3616] fstat(3, [pid 4186] <... symlink resumed>) = 0 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4186] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4186] <... symlink resumed>) = 0 [pid 3616] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4186] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4186] <... symlink resumed>) = 0 [pid 3616] lstat("./74/binderfs", [pid 4186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4178] <... sendmsg resumed>) = 106496 [pid 4178] close(3 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4186] <... openat resumed>) = 3 [pid 3616] unlink("./74/binderfs" [pid 4186] write(3, "1000", 4 [pid 3616] <... unlink resumed>) = 0 [pid 4186] <... write resumed>) = 4 [pid 3616] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4186] close(3) = 0 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4186] symlink("/dev/binderfs", "./binderfs" [pid 3616] lstat("./74/cgroup", [pid 4186] <... symlink resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4186] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3616] unlink("./74/cgroup" [pid 4186] <... socket resumed>) = 3 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4186] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3616] lstat("./74/cgroup.net", [pid 4186] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4186] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 3616] unlink("./74/cgroup.net" [pid 4186] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./74/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./74") = 0 [pid 3616] mkdir("./75", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4187 attached , child_tidptr=0x555556f5d5d0) = 77 [pid 4187] chdir("./75") = 0 [pid 4187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4187] setpgid(0, 0) = 0 [pid 4187] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4187] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4187] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4187] write(3, "1000", 4) = 4 [pid 4187] close(3) = 0 [pid 4187] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4187] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4187] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4187] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4187] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4180] <... close resumed>) = 0 [pid 4180] close(4) = -1 EBADF (Bad file descriptor) [pid 4180] close(5) = -1 EBADF (Bad file descriptor) [pid 4180] close(6) = -1 EBADF (Bad file descriptor) [pid 4180] close(7) = -1 EBADF (Bad file descriptor) [pid 4180] close(8) = -1 EBADF (Bad file descriptor) [pid 4180] close(9) = -1 EBADF (Bad file descriptor) [pid 4180] close(10) = -1 EBADF (Bad file descriptor) [pid 4180] close(11) = -1 EBADF (Bad file descriptor) [pid 4180] close(12) = -1 EBADF (Bad file descriptor) [pid 4180] close(13) = -1 EBADF (Bad file descriptor) [pid 4180] close(14) = -1 EBADF (Bad file descriptor) [pid 4180] close(15) = -1 EBADF (Bad file descriptor) [pid 4180] close(16) = -1 EBADF (Bad file descriptor) [pid 4180] close(17) = -1 EBADF (Bad file descriptor) [pid 4180] close(18) = -1 EBADF (Bad file descriptor) [pid 4180] close(19) = -1 EBADF (Bad file descriptor) [pid 4180] close(20) = -1 EBADF (Bad file descriptor) [pid 4180] close(21) = -1 EBADF (Bad file descriptor) [pid 4180] close(22) = -1 EBADF (Bad file descriptor) [pid 4180] close(23) = -1 EBADF (Bad file descriptor) [pid 4180] close(24) = -1 EBADF (Bad file descriptor) [pid 4180] close(25) = -1 EBADF (Bad file descriptor) [pid 4180] close(26) = -1 EBADF (Bad file descriptor) [pid 4180] close(27) = -1 EBADF (Bad file descriptor) [pid 4180] close(28) = -1 EBADF (Bad file descriptor) [pid 4180] close(29) = -1 EBADF (Bad file descriptor) [ 232.469063][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f78f000: rx timeout, send abort [pid 4180] exit_group(0) = ? [pid 4180] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4187] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4187] close(3) = 0 [pid 4187] close(4) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4187] close(5) = -1 EBADF (Bad file descriptor) [pid 4187] close(6) = -1 EBADF (Bad file descriptor) [pid 4187] close(7) = -1 EBADF (Bad file descriptor) [pid 4187] close(8) = -1 EBADF (Bad file descriptor) [pid 4187] close(9) = -1 EBADF (Bad file descriptor) [pid 4187] close(10) = -1 EBADF (Bad file descriptor) [pid 4187] close(11) = -1 EBADF (Bad file descriptor) [pid 4187] close(12) = -1 EBADF (Bad file descriptor) [pid 4187] close(13) = -1 EBADF (Bad file descriptor) [pid 4187] close(14) = -1 EBADF (Bad file descriptor) [pid 4187] close(15) = -1 EBADF (Bad file descriptor) [pid 4187] close(16) = -1 EBADF (Bad file descriptor) [pid 4187] close(17) = -1 EBADF (Bad file descriptor) [pid 4187] close(18) = -1 EBADF (Bad file descriptor) [pid 4187] close(19) = -1 EBADF (Bad file descriptor) [pid 4187] close(20) = -1 EBADF (Bad file descriptor) [pid 4187] close(21) = -1 EBADF (Bad file descriptor) [pid 4187] close(22) = -1 EBADF (Bad file descriptor) [pid 4187] close(23) = -1 EBADF (Bad file descriptor) [pid 4187] close(24) = -1 EBADF (Bad file descriptor) [pid 4187] close(25) = -1 EBADF (Bad file descriptor) [pid 4187] close(26) = -1 EBADF (Bad file descriptor) [pid 4187] close(27) = -1 EBADF (Bad file descriptor) [pid 4187] close(28) = -1 EBADF (Bad file descriptor) [pid 4187] close(29) = -1 EBADF (Bad file descriptor) [pid 4187] exit_group(0) = ? [pid 4187] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./75/binderfs", [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./75/binderfs") = 0 [pid 3616] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./75/cgroup") = 0 [pid 3616] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./75/cgroup.net") = 0 [pid 3616] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./75/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./75") = 0 [pid 3613] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] kill(-80, SIGKILL [pid 3616] mkdir("./76", 0777 [pid 3613] <... openat resumed>) = 3 [pid 4178] <... close resumed>) = ? [pid 3618] <... kill resumed>) = 0 [pid 3613] fstat(3, [pid 4178] +++ killed by SIGKILL +++ [pid 3616] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4188 attached [pid 4188] chdir("./76" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 78 [pid 4188] <... chdir resumed>) = 0 [pid 4188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4188] setpgid(0, 0) = 0 [pid 4188] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4188] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4188] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4188] write(3, "1000", 4) = 4 [pid 4188] close(3) = 0 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=80, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] kill(80, SIGKILL [pid 4188] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3618] <... kill resumed>) = 0 [pid 3613] getdents64(3, [pid 4188] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4188] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4188] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 232.516222][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b10cc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 232.530719][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b10e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4188] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./68/binderfs", [pid 3618] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4185] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3618] <... openat resumed>) = 3 [pid 3613] unlink("./68/binderfs" [pid 4185] close(3 [pid 3618] fstat(3, [pid 3613] <... unlink resumed>) = 0 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, [pid 3613] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./68/cgroup", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./78/binderfs", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./68/cgroup" [pid 3618] unlink("./78/binderfs" [pid 3613] <... unlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3613] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 232.615717][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807e76d400: rx timeout, send abort [ 232.624139][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b22ac00: rx timeout, send abort [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./68/cgroup.net", [pid 3618] lstat("./78/cgroup", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4185] <... close resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./68/cgroup.net" [pid 4185] close(4) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./78/cgroup" [pid 4185] close(5 [pid 3613] <... unlink resumed>) = 0 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(6 [pid 3618] <... unlink resumed>) = 0 [pid 3613] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(7) = -1 EBADF (Bad file descriptor) [pid 4185] close(8) = -1 EBADF (Bad file descriptor) [pid 4185] close(9) = -1 EBADF (Bad file descriptor) [pid 4185] close(10) = -1 EBADF (Bad file descriptor) [pid 4185] close(11) = -1 EBADF (Bad file descriptor) [pid 4185] close(12) = -1 EBADF (Bad file descriptor) [pid 4185] close(13) = -1 EBADF (Bad file descriptor) [pid 4185] close(14) = -1 EBADF (Bad file descriptor) [pid 4185] close(15) = -1 EBADF (Bad file descriptor) [pid 4185] close(16) = -1 EBADF (Bad file descriptor) [pid 4185] close(17) = -1 EBADF (Bad file descriptor) [pid 4185] close(18) = -1 EBADF (Bad file descriptor) [pid 4185] close(19) = -1 EBADF (Bad file descriptor) [pid 4185] close(20) = -1 EBADF (Bad file descriptor) [pid 4185] close(21) = -1 EBADF (Bad file descriptor) [pid 4185] close(22) = -1 EBADF (Bad file descriptor) [pid 4185] close(23) = -1 EBADF (Bad file descriptor) [pid 4185] close(24) = -1 EBADF (Bad file descriptor) [pid 4185] close(25) = -1 EBADF (Bad file descriptor) [pid 4185] close(26) = -1 EBADF (Bad file descriptor) [pid 4185] close(27) = -1 EBADF (Bad file descriptor) [pid 4185] close(28) = -1 EBADF (Bad file descriptor) [pid 4185] close(29) = -1 EBADF (Bad file descriptor) [pid 4185] exit_group(0) = ? [pid 4185] +++ exited with 0 +++ [ 232.666033][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807e76d400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 232.680698][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b22ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] lstat("./78/cgroup.net", [pid 3613] lstat("./68/cgroup.cpu", [pid 3620] restart_syscall(<... resuming interrupted clone ...> [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... restart_syscall resumed>) = 0 [pid 3618] unlink("./78/cgroup.net" [pid 3613] unlink("./68/cgroup.cpu" [pid 3618] <... unlink resumed>) = 0 [pid 3620] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... unlink resumed>) = 0 [pid 3618] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] getdents64(3, [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./78/cgroup.cpu", [pid 3613] close(3 [pid 3620] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... close resumed>) = 0 [pid 3618] unlink("./78/cgroup.cpu" [pid 3613] rmdir("./68" [pid 3620] <... openat resumed>) = 3 [pid 3618] <... unlink resumed>) = 0 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... rmdir resumed>) = 0 [pid 3618] getdents64(3, [pid 3613] mkdir("./69", 0777 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./76/binderfs") = 0 [pid 3620] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./76/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./76/cgroup" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3618] close(3 [pid 3613] <... mkdir resumed>) = 0 [pid 3620] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./76/cgroup.net") = 0 [pid 3620] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... close resumed>) = 0 [pid 3620] unlink("./76/cgroup.cpu" [pid 3618] rmdir("./78" [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] <... unlink resumed>) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./76") = 0 [pid 3620] mkdir("./77", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4189 attached [pid 4189] chdir("./77" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 79 [pid 4189] <... chdir resumed>) = 0 [pid 4189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4189] setpgid(0, 0) = 0 [pid 4189] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4189] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"./strace-static-x86_64: Process 4190 attached ) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 71 [pid 4190] chdir("./69" [pid 4189] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3618] mkdir("./79", 0777 [pid 4190] <... chdir resumed>) = 0 [ 232.732703][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b172800: rx timeout, send abort [pid 4190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4189] <... symlink resumed>) = 0 [pid 3618] <... mkdir resumed>) = 0 [pid 4190] <... prctl resumed>) = 0 [pid 4189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4189] <... openat resumed>) = 3 [pid 4189] write(3, "1000", 4 [pid 4190] setpgid(0, 0 [pid 4189] <... write resumed>) = 4 [pid 4189] close(3) = 0 [pid 4189] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4191 attached [pid 4190] <... setpgid resumed>) = 0 [pid 4189] <... symlink resumed>) = 0 [pid 4191] chdir("./79" [pid 4189] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4191] <... chdir resumed>) = 0 [pid 4189] <... socket resumed>) = 3 [pid 4191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4189] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4191] <... prctl resumed>) = 0 [pid 4189] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4191] setpgid(0, 0 [pid 4189] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4191] <... setpgid resumed>) = 0 [pid 4190] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4189] <... bind resumed>) = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 81 [pid 4191] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4189] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4191] <... symlink resumed>) = 0 [pid 4191] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4190] <... symlink resumed>) = 0 [pid 4191] <... symlink resumed>) = 0 [pid 4191] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4191] write(3, "1000", 4) = 4 [pid 4191] close(3) = 0 [pid 4191] symlink("/dev/binderfs", "./binderfs" [pid 4190] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4191] <... symlink resumed>) = 0 [pid 4191] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4190] <... symlink resumed>) = 0 [pid 4191] <... socket resumed>) = 3 [pid 4191] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4191] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4191] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4190] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4190] write(3, "1000", 4) = 4 [pid 4190] close(3) = 0 [pid 4190] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4190] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4190] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4190] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4190] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4184] <... sendmsg resumed>) = 106496 [pid 4186] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4184] close(3 [ 232.981361][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f78f000: abort rx timeout. Force session deactivation [ 233.010226][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068b6ac00: rx timeout, send abort [ 233.018792][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888068b68000: rx timeout, send abort [pid 4186] close(3) = 0 [pid 4186] close(4) = -1 EBADF (Bad file descriptor) [pid 4186] close(5) = -1 EBADF (Bad file descriptor) [pid 4186] close(6) = -1 EBADF (Bad file descriptor) [ 233.051460][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068b6ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 233.065991][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068b68000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4186] close(7) = -1 EBADF (Bad file descriptor) [pid 4186] close(8) = -1 EBADF (Bad file descriptor) [pid 4186] close(9) = -1 EBADF (Bad file descriptor) [pid 4186] close(10) = -1 EBADF (Bad file descriptor) [pid 4186] close(11) = -1 EBADF (Bad file descriptor) [pid 4186] close(12) = -1 EBADF (Bad file descriptor) [pid 4186] close(13) = -1 EBADF (Bad file descriptor) [pid 4186] close(14) = -1 EBADF (Bad file descriptor) [pid 4186] close(15) = -1 EBADF (Bad file descriptor) [pid 4186] close(16) = -1 EBADF (Bad file descriptor) [pid 4186] close(17) = -1 EBADF (Bad file descriptor) [pid 4186] close(18) = -1 EBADF (Bad file descriptor) [pid 4186] close(19) = -1 EBADF (Bad file descriptor) [pid 4186] close(20) = -1 EBADF (Bad file descriptor) [pid 4186] close(21) = -1 EBADF (Bad file descriptor) [pid 4186] close(22) = -1 EBADF (Bad file descriptor) [pid 4186] close(23) = -1 EBADF (Bad file descriptor) [pid 4186] close(24) = -1 EBADF (Bad file descriptor) [pid 4186] close(25) = -1 EBADF (Bad file descriptor) [pid 4186] close(26) = -1 EBADF (Bad file descriptor) [pid 4186] close(27) = -1 EBADF (Bad file descriptor) [pid 4186] close(28) = -1 EBADF (Bad file descriptor) [pid 4186] close(29) = -1 EBADF (Bad file descriptor) [pid 4186] exit_group(0) = ? [pid 4186] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4191] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4191] close(3 [pid 3619] <... restart_syscall resumed>) = 0 [ 233.162086][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c5cac00: rx timeout, send abort [ 233.187565][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c5cac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4191] <... close resumed>) = 0 [pid 4191] close(4) = -1 EBADF (Bad file descriptor) [pid 4191] close(5) = -1 EBADF (Bad file descriptor) [pid 4191] close(6) = -1 EBADF (Bad file descriptor) [pid 4191] close(7) = -1 EBADF (Bad file descriptor) [pid 4191] close(8) = -1 EBADF (Bad file descriptor) [pid 4191] close(9) = -1 EBADF (Bad file descriptor) [pid 4191] close(10) = -1 EBADF (Bad file descriptor) [pid 4191] close(11) = -1 EBADF (Bad file descriptor) [pid 4191] close(12) = -1 EBADF (Bad file descriptor) [pid 4191] close(13) = -1 EBADF (Bad file descriptor) [pid 4191] close(14) = -1 EBADF (Bad file descriptor) [pid 4191] close(15) = -1 EBADF (Bad file descriptor) [pid 4191] close(16) = -1 EBADF (Bad file descriptor) [pid 4191] close(17) = -1 EBADF (Bad file descriptor) [pid 4191] close(18) = -1 EBADF (Bad file descriptor) [pid 4191] close(19) = -1 EBADF (Bad file descriptor) [ 233.202145][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c5c8000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4191] close(20) = -1 EBADF (Bad file descriptor) [pid 4191] close(21) = -1 EBADF (Bad file descriptor) [pid 4191] close(22) = -1 EBADF (Bad file descriptor) [pid 4191] close(23) = -1 EBADF (Bad file descriptor) [pid 4191] close(24) = -1 EBADF (Bad file descriptor) [pid 4191] close(25) = -1 EBADF (Bad file descriptor) [pid 4191] close(26) = -1 EBADF (Bad file descriptor) [pid 4191] close(27) = -1 EBADF (Bad file descriptor) [pid 4191] close(28) = -1 EBADF (Bad file descriptor) [pid 4191] close(29) = -1 EBADF (Bad file descriptor) [pid 4191] exit_group(0) = ? [pid 4191] +++ exited with 0 +++ [pid 3619] <... openat resumed>) = 3 [pid 3619] fstat(3, [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] getdents64(3, [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... openat resumed>) = 3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] fstat(3, [pid 3619] lstat("./78/binderfs", [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 233.255756][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806b172800: abort rx timeout. Force session deactivation [pid 3618] getdents64(3, [pid 3619] unlink("./78/binderfs" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... unlink resumed>) = 0 [pid 3618] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] lstat("./79/binderfs", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] lstat("./78/cgroup", [pid 3618] unlink("./79/binderfs" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3619] unlink("./78/cgroup" [pid 3618] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] lstat("./79/cgroup", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./78/cgroup.net", [pid 3618] unlink("./79/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3619] unlink("./78/cgroup.net" [pid 3618] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] lstat("./79/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./78/cgroup.cpu", [pid 3618] unlink("./79/cgroup.net" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3619] unlink("./78/cgroup.cpu" [pid 3618] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] lstat("./79/cgroup.cpu", [pid 3619] close(3 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... close resumed>) = 0 [pid 3618] unlink("./79/cgroup.cpu") = 0 [pid 3619] rmdir("./78" [pid 3618] getdents64(3, [pid 3619] <... rmdir resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] mkdir("./79", 0777 [pid 3618] close(3 [pid 3619] <... mkdir resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] rmdir("./79"./strace-static-x86_64: Process 4192 attached ) = 0 [pid 3618] mkdir("./80", 0777 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 81 [pid 4192] chdir("./79" [pid 3618] <... mkdir resumed>) = 0 [pid 4192] <... chdir resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4192] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 4193 attached ) = 0 [pid 4193] chdir("./80") = 0 [pid 4193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4193] setpgid(0, 0) = 0 [pid 4193] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4192] setpgid(0, 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 82 [pid 4193] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4192] <... setpgid resumed>) = 0 [pid 4193] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4192] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4192] <... symlink resumed>) = 0 [pid 4193] write(3, "1000", 4) = 4 [pid 4193] close(3) = 0 [pid 4193] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4193] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4192] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4193] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4192] <... symlink resumed>) = 0 [pid 4193] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4193] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4192] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4192] write(3, "1000", 4) = 4 [pid 4192] close(3) = 0 [pid 4192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4192] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4192] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4192] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4192] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4190] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 233.780500][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077389400: rx timeout, send abort [ 233.788922][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077388c00: rx timeout, send abort [ 233.814306][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807a973400: rx timeout, send abort [ 233.822699][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d8cb800: rx timeout, send abort [ 233.830127][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077389400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 233.831071][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c5c8400: rx timeout, send abort [ 233.845397][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077388c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4190] close(3) = 0 [pid 4190] close(4 [pid 4189] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4193] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] close(3 [pid 4193] close(3) = 0 [pid 4193] close(4) = -1 EBADF (Bad file descriptor) [pid 4193] close(5) = -1 EBADF (Bad file descriptor) [pid 4193] close(6) = -1 EBADF (Bad file descriptor) [pid 4193] close(7) = -1 EBADF (Bad file descriptor) [pid 4193] close(8 [pid 4190] close(5 [pid 4193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = 0 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 233.873401][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b496800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 233.887885][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807c17ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 233.902416][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d8cb800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 233.916951][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c5c8400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4189] close(4 [pid 4193] close(9) = -1 EBADF (Bad file descriptor) [pid 4193] close(10) = -1 EBADF (Bad file descriptor) [pid 4193] close(11) = -1 EBADF (Bad file descriptor) [pid 4193] close(12) = -1 EBADF (Bad file descriptor) [pid 4193] close(13) = -1 EBADF (Bad file descriptor) [pid 4193] close(14) = -1 EBADF (Bad file descriptor) [pid 4193] close(15) = -1 EBADF (Bad file descriptor) [pid 4193] close(16) = -1 EBADF (Bad file descriptor) [pid 4193] close(17) = -1 EBADF (Bad file descriptor) [pid 4193] close(18) = -1 EBADF (Bad file descriptor) [pid 4193] close(19) = -1 EBADF (Bad file descriptor) [pid 4193] close(20) = -1 EBADF (Bad file descriptor) [pid 4193] close(21) = -1 EBADF (Bad file descriptor) [pid 4193] close(22) = -1 EBADF (Bad file descriptor) [pid 4193] close(23) = -1 EBADF (Bad file descriptor) [pid 4193] close(24) = -1 EBADF (Bad file descriptor) [pid 4193] close(25) = -1 EBADF (Bad file descriptor) [pid 4193] close(26) = -1 EBADF (Bad file descriptor) [pid 4193] close(27) = -1 EBADF (Bad file descriptor) [pid 4193] close(28) = -1 EBADF (Bad file descriptor) [pid 4193] close(29) = -1 EBADF (Bad file descriptor) [pid 4193] exit_group(0) = ? [pid 4193] +++ exited with 0 +++ [pid 4190] close(6) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4190] close(7 [pid 4189] close(5 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4190] close(8 [pid 4189] close(6 [pid 3618] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4190] close(9 [pid 4189] close(7 [pid 3618] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... openat resumed>) = 3 [pid 4189] close(8 [pid 4190] close(10 [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] fstat(3, [pid 4189] close(9 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4190] close(11 [pid 4189] close(10 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 4190] close(12 [pid 4189] close(11 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4190] close(13 [pid 4189] close(12 [pid 3618] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4190] close(14 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4189] close(13 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./80/binderfs", [pid 4190] close(15 [pid 4189] close(14 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4190] close(16 [pid 4189] close(15 [pid 3618] unlink("./80/binderfs" [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4189] close(16 [pid 4190] close(17) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] close(18 [pid 4189] close(17 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4190] close(19 [pid 3618] lstat("./80/cgroup", [pid 4189] close(18) = -1 EBADF (Bad file descriptor) [pid 4189] close(19) = -1 EBADF (Bad file descriptor) [pid 4189] close(20 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4190] close(20 [pid 4189] close(21 [pid 3618] unlink("./80/cgroup" [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4190] close(21 [pid 3618] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4190] close(22 [pid 3618] lstat("./80/cgroup.net", [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4190] close(23 [pid 3618] unlink("./80/cgroup.net" [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4190] close(24 [pid 3618] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4190] close(25 [pid 4189] close(22 [pid 3618] lstat("./80/cgroup.cpu", [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4190] close(26 [pid 3618] unlink("./80/cgroup.cpu" [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4190] close(27 [pid 4189] close(23 [pid 3618] getdents64(3, [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4190] close(28 [pid 3618] close(3 [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... close resumed>) = 0 [pid 4190] close(29 [pid 3618] rmdir("./80" [pid 4190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... rmdir resumed>) = 0 [pid 4190] exit_group(0 [pid 3618] mkdir("./81", 0777 [pid 4190] <... exit_group resumed>) = ? [pid 3618] <... mkdir resumed>) = 0 [pid 4190] +++ exited with 0 +++ [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4194 attached [pid 4194] chdir("./81" [pid 4189] close(24 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 83 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4194] <... chdir resumed>) = 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 4194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... restart_syscall resumed>) = 0 [pid 4194] <... prctl resumed>) = 0 [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] setpgid(0, 0) = 0 [pid 3613] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4194] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4194] <... symlink resumed>) = 0 [pid 3613] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4194] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3613] <... openat resumed>) = 3 [pid 4194] <... symlink resumed>) = 0 [pid 3613] fstat(3, [pid 4194] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4194] <... symlink resumed>) = 0 [pid 3613] getdents64(3, [pid 4194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4194] <... openat resumed>) = 3 [pid 3613] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4194] write(3, "1000", 4 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4194] <... write resumed>) = 4 [pid 3613] lstat("./69/binderfs", [pid 4194] close(3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4194] <... close resumed>) = 0 [pid 3613] unlink("./69/binderfs" [pid 4194] symlink("/dev/binderfs", "./binderfs" [pid 3613] <... unlink resumed>) = 0 [pid 4194] <... symlink resumed>) = 0 [pid 3613] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4194] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4194] <... socket resumed>) = 3 [pid 3613] lstat("./69/cgroup", [pid 4194] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4194] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3613] unlink("./69/cgroup" [pid 4194] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] <... unlink resumed>) = 0 [pid 4194] <... bind resumed>) = 0 [pid 3613] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4194] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./69/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./69/cgroup.net") = 0 [pid 3613] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4189] close(25 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./69/cgroup.cpu", [pid 4189] close(26 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./69/cgroup.cpu" [pid 4189] close(27 [pid 3613] <... unlink resumed>) = 0 [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 4189] close(28 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] close(3 [pid 4189] close(29 [pid 3613] <... close resumed>) = 0 [pid 4189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] rmdir("./69" [pid 4189] exit_group(0 [pid 3613] <... rmdir resumed>) = 0 [pid 4189] <... exit_group resumed>) = ? [pid 3613] mkdir("./70", 0777 [pid 4189] +++ exited with 0 +++ [pid 3613] <... mkdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4195 attached [pid 4195] chdir("./70" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 72 [pid 4195] <... chdir resumed>) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4195] setpgid(0, 0) = 0 [pid 4195] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3620] restart_syscall(<... resuming interrupted clone ...> [pid 4195] <... symlink resumed>) = 0 [pid 4195] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4195] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4195] write(3, "1000", 4) = 4 [pid 4195] close(3) = 0 [pid 4195] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3620] <... restart_syscall resumed>) = 0 [pid 4195] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4195] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4195] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4195] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./77/binderfs") = 0 [pid 3620] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./77/cgroup") = 0 [pid 3620] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./77/cgroup.net") = 0 [pid 3620] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./77/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./77") = 0 [pid 3620] mkdir("./78", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4196 attached , child_tidptr=0x555556f5d5d0) = 80 [pid 4196] chdir("./78") = 0 [pid 4196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4196] setpgid(0, 0) = 0 [pid 4196] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4196] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [ 234.329518][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807a973400: abort rx timeout. Force session deactivation [pid 4196] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4196] write(3, "1000", 4) = 4 [pid 4196] close(3) = 0 [pid 4196] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4196] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4196] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4196] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4196] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4194] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 235.063105][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b5adc00: rx timeout, send abort [ 235.071517][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888067325c00: rx timeout, send abort [pid 4194] close(3) = 0 [pid 4194] close(4) = -1 EBADF (Bad file descriptor) [pid 4194] close(5) = -1 EBADF (Bad file descriptor) [pid 4194] close(6) = -1 EBADF (Bad file descriptor) [pid 4194] close(7) = -1 EBADF (Bad file descriptor) [pid 4194] close(8) = -1 EBADF (Bad file descriptor) [pid 4194] close(9) = -1 EBADF (Bad file descriptor) [pid 4194] close(10) = -1 EBADF (Bad file descriptor) [pid 4194] close(11) = -1 EBADF (Bad file descriptor) [pid 4194] close(12) = -1 EBADF (Bad file descriptor) [pid 4194] close(13) = -1 EBADF (Bad file descriptor) [pid 4194] close(14) = -1 EBADF (Bad file descriptor) [pid 4194] close(15) = -1 EBADF (Bad file descriptor) [pid 4194] close(16) = -1 EBADF (Bad file descriptor) [pid 4194] close(17) = -1 EBADF (Bad file descriptor) [pid 4194] close(18) = -1 EBADF (Bad file descriptor) [pid 4194] close(19) = -1 EBADF (Bad file descriptor) [pid 4194] close(20) = -1 EBADF (Bad file descriptor) [pid 4194] close(21) = -1 EBADF (Bad file descriptor) [pid 4194] close(22) = -1 EBADF (Bad file descriptor) [pid 4194] close(23) = -1 EBADF (Bad file descriptor) [pid 4194] close(24) = -1 EBADF (Bad file descriptor) [pid 4194] close(25) = -1 EBADF (Bad file descriptor) [pid 4194] close(26) = -1 EBADF (Bad file descriptor) [pid 4194] close(27) = -1 EBADF (Bad file descriptor) [pid 4194] close(28) = -1 EBADF (Bad file descriptor) [pid 4194] close(29) = -1 EBADF (Bad file descriptor) [pid 4194] exit_group(0) = ? [pid 4194] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3618] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 235.123204][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b5adc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 235.137804][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888067325c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./81/binderfs") = 0 [pid 3618] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./81/cgroup" [pid 4184] <... close resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 4184] close(4 [pid 3618] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4184] close(5 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./81/cgroup.net", [pid 4184] close(6 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./81/cgroup.net" [pid 4184] close(7) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4184] close(8 [pid 3618] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4184] close(9) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./81/cgroup.cpu", [pid 4184] close(10 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./81/cgroup.cpu" [pid 4184] close(11) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4188] <... sendmsg resumed>) = 106496 [pid 4184] close(12 [pid 3618] getdents64(3, [pid 4188] close(3 [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4184] close(13 [pid 3618] close(3 [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... close resumed>) = 0 [pid 4184] close(14) = -1 EBADF (Bad file descriptor) [pid 3618] rmdir("./81" [pid 4184] close(15 [pid 3618] <... rmdir resumed>) = 0 [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] mkdir("./82", 0777 [pid 4184] close(16) = -1 EBADF (Bad file descriptor) [pid 3618] <... mkdir resumed>) = 0 [pid 4184] close(17 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4184] close(18) = -1 EBADF (Bad file descriptor) [pid 4184] close(19) = -1 EBADF (Bad file descriptor) [pid 4184] close(20) = -1 EBADF (Bad file descriptor) [pid 4184] close(21) = -1 EBADF (Bad file descriptor) [pid 4184] close(22) = -1 EBADF (Bad file descriptor) [pid 4184] close(23) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4197 attached [pid 4184] close(24 [pid 4197] chdir("./82" [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 84 [pid 4197] <... chdir resumed>) = 0 [pid 4184] close(25 [pid 4197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... prctl resumed>) = 0 [pid 4197] setpgid(0, 0 [pid 4184] close(26 [pid 4197] <... setpgid resumed>) = 0 [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4184] close(27) = -1 EBADF (Bad file descriptor) [pid 4197] <... symlink resumed>) = 0 [pid 4184] close(28 [pid 4197] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4184] close(29 [pid 4197] <... symlink resumed>) = 0 [pid 4197] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... symlink resumed>) = 0 [pid 4197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4184] exit_group(0 [pid 4197] <... openat resumed>) = 3 [pid 4184] <... exit_group resumed>) = ? [pid 4197] write(3, "1000", 4) = 4 [pid 4184] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 4197] close(3 [pid 3617] <... restart_syscall resumed>) = 0 [pid 4197] <... close resumed>) = 0 [pid 4197] symlink("/dev/binderfs", "./binderfs" [pid 3617] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, [pid 4197] <... symlink resumed>) = 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, [pid 4197] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4197] <... socket resumed>) = 3 [pid 3617] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./76/binderfs", [pid 4197] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./76/binderfs") = 0 [pid 3617] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4197] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./76/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./76/cgroup") = 0 [pid 3617] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./76/cgroup.net") = 0 [pid 4197] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4197] <... bind resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./76/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./76") = 0 [pid 3617] mkdir("./77", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4198 attached [pid 4198] chdir("./77" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 79 [pid 4198] <... chdir resumed>) = 0 [pid 4198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4198] setpgid(0, 0) = 0 [pid 4198] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4197] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4198] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4198] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4198] write(3, "1000", 4) = 4 [pid 4198] close(3) = 0 [pid 4198] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4198] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4198] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4198] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4198] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4192] <... sendmsg resumed>) = 106496 [pid 4192] close(3 [pid 4198] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 236.464507][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888070680c00: rx timeout, send abort [ 236.473027][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a200400: rx timeout, send abort [ 236.497794][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888070680c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4198] close(3) = 0 [pid 4198] close(4) = -1 EBADF (Bad file descriptor) [pid 4198] close(5) = -1 EBADF (Bad file descriptor) [pid 4198] close(6) = -1 EBADF (Bad file descriptor) [pid 4198] close(7) = -1 EBADF (Bad file descriptor) [pid 4198] close(8) = -1 EBADF (Bad file descriptor) [pid 4198] close(9) = -1 EBADF (Bad file descriptor) [pid 4198] close(10) = -1 EBADF (Bad file descriptor) [pid 4198] close(11) = -1 EBADF (Bad file descriptor) [pid 4198] close(12) = -1 EBADF (Bad file descriptor) [pid 4198] close(13) = -1 EBADF (Bad file descriptor) [pid 4198] close(14) = -1 EBADF (Bad file descriptor) [ 236.512395][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a200400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4198] close(15) = -1 EBADF (Bad file descriptor) [pid 4198] close(16) = -1 EBADF (Bad file descriptor) [pid 4198] close(17) = -1 EBADF (Bad file descriptor) [pid 4198] close(18) = -1 EBADF (Bad file descriptor) [ 236.599464][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d847000: rx timeout, send abort [ 236.607890][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d518800: rx timeout, send abort [pid 4198] close(19) = -1 EBADF (Bad file descriptor) [pid 4198] close(20 [pid 4188] <... close resumed>) = 0 [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] close(4 [pid 4198] close(21 [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] close(5 [pid 4198] close(22 [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] close(6 [pid 4198] close(23 [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] close(7 [pid 4198] close(24 [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] close(25 [pid 4188] close(8 [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] close(26 [pid 4188] close(9 [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] close(27 [pid 4188] close(10 [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] close(28 [pid 4188] close(11 [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] close(29 [pid 4188] close(12 [pid 4198] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] exit_group(0 [pid 4188] close(13 [pid 4198] <... exit_group resumed>) = ? [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4198] +++ exited with 0 +++ [pid 4188] close(14 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 236.650887][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d847000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 236.665419][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d518800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4188] close(15 [pid 3617] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... openat resumed>) = 3 [pid 3617] fstat(3, [pid 4188] close(16 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] close(17) = -1 EBADF (Bad file descriptor) [pid 4188] close(18) = -1 EBADF (Bad file descriptor) [pid 4188] close(19) = -1 EBADF (Bad file descriptor) [pid 4188] close(20) = -1 EBADF (Bad file descriptor) [pid 4188] close(21) = -1 EBADF (Bad file descriptor) [pid 4188] close(22) = -1 EBADF (Bad file descriptor) [pid 3617] getdents64(3, [pid 4188] close(23) = -1 EBADF (Bad file descriptor) [pid 4188] close(24 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4188] close(25) = -1 EBADF (Bad file descriptor) [pid 4188] close(26) = -1 EBADF (Bad file descriptor) [pid 4188] close(27) = -1 EBADF (Bad file descriptor) [pid 4188] close(28) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4188] close(29) = -1 EBADF (Bad file descriptor) [pid 4188] exit_group(0) = ? [pid 4188] +++ exited with 0 +++ [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] lstat("./77/binderfs", [pid 3616] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./76/binderfs" [pid 4195] <... sendmsg resumed>) = 106496 [pid 3617] unlink("./77/binderfs" [pid 3616] <... unlink resumed>) = 0 [pid 4195] close(3 [pid 3616] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./76/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./76/cgroup") = 0 [pid 3616] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./76/cgroup.net") = 0 [pid 3616] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./76/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./76") = 0 [pid 3616] mkdir("./77", 0777 [pid 3617] <... unlink resumed>) = 0 [pid 3616] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 79 ./strace-static-x86_64: Process 4199 attached [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4199] chdir("./77" [pid 3617] lstat("./77/cgroup", [pid 4199] <... chdir resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] unlink("./77/cgroup" [pid 4199] <... prctl resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 4199] setpgid(0, 0 [pid 3617] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4199] <... setpgid resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4199] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3617] lstat("./77/cgroup.net", [pid 4199] <... symlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4199] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3617] unlink("./77/cgroup.net" [pid 4199] <... symlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 4199] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3617] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4199] <... symlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] lstat("./77/cgroup.cpu", [pid 4199] <... openat resumed>) = 3 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4199] write(3, "1000", 4 [pid 3617] unlink("./77/cgroup.cpu" [pid 4199] <... write resumed>) = 4 [pid 3617] <... unlink resumed>) = 0 [pid 4199] close(3 [pid 3617] getdents64(3, [pid 4199] <... close resumed>) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4199] symlink("/dev/binderfs", "./binderfs" [pid 3617] close(3 [pid 4199] <... symlink resumed>) = 0 [pid 3617] <... close resumed>) = 0 [pid 4199] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3617] rmdir("./77" [pid 4199] <... socket resumed>) = 3 [pid 3617] <... rmdir resumed>) = 0 [pid 4199] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3617] mkdir("./78", 0777 [pid 4199] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3617] <... mkdir resumed>) = 0 [pid 4199] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4199] <... bind resumed>) = 0 [pid 4199] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 80 ./strace-static-x86_64: Process 4200 attached [pid 4200] chdir("./78") = 0 [pid 4200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4200] setpgid(0, 0) = 0 [pid 4200] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4200] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4200] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4200] write(3, "1000", 4) = 4 [pid 4200] close(3) = 0 [pid 4200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4200] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4200] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4200] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4200] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4196] <... sendmsg resumed>) = 106496 [pid 4196] close(3 [pid 4199] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 237.799048][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f916000: rx timeout, send abort [ 237.807516][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807f866c00: rx timeout, send abort [pid 4199] close(3) = 0 [pid 4199] close(4) = -1 EBADF (Bad file descriptor) [pid 4199] close(5) = -1 EBADF (Bad file descriptor) [pid 4199] close(6) = -1 EBADF (Bad file descriptor) [pid 4199] close(7) = -1 EBADF (Bad file descriptor) [pid 4199] close(8) = -1 EBADF (Bad file descriptor) [pid 4199] close(9) = -1 EBADF (Bad file descriptor) [pid 4199] close(10) = -1 EBADF (Bad file descriptor) [pid 4199] close(11) = -1 EBADF (Bad file descriptor) [pid 4199] close(12) = -1 EBADF (Bad file descriptor) [pid 4199] close(13) = -1 EBADF (Bad file descriptor) [pid 4199] close(14) = -1 EBADF (Bad file descriptor) [pid 4199] close(15) = -1 EBADF (Bad file descriptor) [pid 4199] close(16) = -1 EBADF (Bad file descriptor) [pid 4199] close(17) = -1 EBADF (Bad file descriptor) [pid 4199] close(18) = -1 EBADF (Bad file descriptor) [pid 4199] close(19) = -1 EBADF (Bad file descriptor) [pid 4199] close(20) = -1 EBADF (Bad file descriptor) [pid 4199] close(21) = -1 EBADF (Bad file descriptor) [pid 4199] close(22) = -1 EBADF (Bad file descriptor) [ 237.843169][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f916000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 237.857745][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807f866c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4199] close(23) = -1 EBADF (Bad file descriptor) [pid 4199] close(24) = -1 EBADF (Bad file descriptor) [pid 4199] close(25) = -1 EBADF (Bad file descriptor) [pid 4199] close(26) = -1 EBADF (Bad file descriptor) [pid 4199] close(27) = -1 EBADF (Bad file descriptor) [pid 4199] close(28) = -1 EBADF (Bad file descriptor) [pid 4199] close(29) = -1 EBADF (Bad file descriptor) [pid 4199] exit_group(0) = ? [pid 4199] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4200] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4200] close(3 [pid 3616] lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./77/binderfs") = 0 [ 237.985493][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b13ec00: rx timeout, send abort [ 237.993922][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801d394400: rx timeout, send abort [pid 3616] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4200] <... close resumed>) = 0 [pid 4200] close(4) = -1 EBADF (Bad file descriptor) [pid 4200] close(5) = -1 EBADF (Bad file descriptor) [pid 4200] close(6) = -1 EBADF (Bad file descriptor) [pid 4200] close(7) = -1 EBADF (Bad file descriptor) [pid 4200] close(8) = -1 EBADF (Bad file descriptor) [pid 4200] close(9) = -1 EBADF (Bad file descriptor) [pid 4200] close(10) = -1 EBADF (Bad file descriptor) [pid 4200] close(11) = -1 EBADF (Bad file descriptor) [pid 4200] close(12) = -1 EBADF (Bad file descriptor) [pid 4200] close(13) = -1 EBADF (Bad file descriptor) [pid 4200] close(14) = -1 EBADF (Bad file descriptor) [pid 4200] close(15) = -1 EBADF (Bad file descriptor) [pid 4200] close(16) = -1 EBADF (Bad file descriptor) [pid 4200] close(17) = -1 EBADF (Bad file descriptor) [pid 4200] close(18) = -1 EBADF (Bad file descriptor) [pid 4200] close(19) = -1 EBADF (Bad file descriptor) [pid 4200] close(20) = -1 EBADF (Bad file descriptor) [pid 4200] close(21) = -1 EBADF (Bad file descriptor) [pid 4200] close(22) = -1 EBADF (Bad file descriptor) [pid 4200] close(23) = -1 EBADF (Bad file descriptor) [pid 4200] close(24) = -1 EBADF (Bad file descriptor) [pid 4200] close(25) = -1 EBADF (Bad file descriptor) [pid 4200] close(26) = -1 EBADF (Bad file descriptor) [pid 4200] close(27) = -1 EBADF (Bad file descriptor) [pid 4200] close(28) = -1 EBADF (Bad file descriptor) [pid 4200] close(29) = -1 EBADF (Bad file descriptor) [pid 4200] exit_group(0) = ? [pid 4200] +++ exited with 0 +++ [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] lstat("./77/cgroup", [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] <... restart_syscall resumed>) = 0 [pid 3616] unlink("./77/cgroup") = 0 [pid 3616] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./77/cgroup.net", [pid 3617] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3616] unlink("./77/cgroup.net" [pid 3617] fstat(3, [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] getdents64(3, [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] lstat("./77/cgroup.cpu", [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./78/binderfs", [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./77/cgroup.cpu" [pid 3617] unlink("./78/binderfs" [pid 3616] <... unlink resumed>) = 0 [ 238.040519][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b13ec00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 238.055097][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801d394400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] <... unlink resumed>) = 0 [pid 3616] getdents64(3, [pid 3617] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] close(3 [pid 3617] lstat("./78/cgroup", [pid 3616] <... close resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] rmdir("./77" [pid 3617] unlink("./78/cgroup" [pid 3616] <... rmdir resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] mkdir("./78", 0777 [pid 3617] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] <... mkdir resumed>) = 0 [pid 3617] lstat("./78/cgroup.net", [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./78/cgroup.net"./strace-static-x86_64: Process 4201 attached [pid 4201] chdir("./78") = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 80 [pid 3617] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4201] setpgid(0, 0) = 0 [pid 4201] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4201] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4201] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] lstat("./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./78/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./78") = 0 [pid 3617] mkdir("./79", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4202 attached [pid 4202] chdir("./79" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 81 [pid 4202] <... chdir resumed>) = 0 [pid 4202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4202] setpgid(0, 0) = 0 [pid 4202] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4202] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4201] <... openat resumed>) = 3 [pid 4202] <... symlink resumed>) = 0 [pid 4201] write(3, "1000", 4 [pid 4202] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4201] <... write resumed>) = 4 [pid 4202] <... symlink resumed>) = 0 [pid 4201] close(3 [pid 4202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4201] <... close resumed>) = 0 [pid 4202] write(3, "1000", 4 [pid 4201] symlink("/dev/binderfs", "./binderfs" [pid 4202] <... write resumed>) = 4 [pid 4201] <... symlink resumed>) = 0 [pid 4202] close(3 [pid 4201] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4202] <... close resumed>) = 0 [pid 4201] <... socket resumed>) = 3 [pid 4202] symlink("/dev/binderfs", "./binderfs" [pid 4201] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4202] <... symlink resumed>) = 0 [pid 4201] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4202] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4201] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4202] <... socket resumed>) = 3 [pid 4201] <... bind resumed>) = 0 [pid 4202] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4201] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4202] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4202] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4202] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4195] <... close resumed>) = 0 [pid 4195] close(4) = -1 EBADF (Bad file descriptor) [pid 4195] close(5) = -1 EBADF (Bad file descriptor) [pid 4195] close(6) = -1 EBADF (Bad file descriptor) [pid 4195] close(7) = -1 EBADF (Bad file descriptor) [pid 4195] close(8) = -1 EBADF (Bad file descriptor) [pid 4195] close(9) = -1 EBADF (Bad file descriptor) [pid 4195] close(10) = -1 EBADF (Bad file descriptor) [pid 4195] close(11) = -1 EBADF (Bad file descriptor) [pid 4195] close(12) = -1 EBADF (Bad file descriptor) [pid 4195] close(13) = -1 EBADF (Bad file descriptor) [pid 4195] close(14) = -1 EBADF (Bad file descriptor) [pid 4195] close(15) = -1 EBADF (Bad file descriptor) [pid 4195] close(16) = -1 EBADF (Bad file descriptor) [pid 4195] close(17) = -1 EBADF (Bad file descriptor) [pid 4195] close(18) = -1 EBADF (Bad file descriptor) [pid 4195] close(19) = -1 EBADF (Bad file descriptor) [pid 4195] close(20) = -1 EBADF (Bad file descriptor) [pid 4195] close(21) = -1 EBADF (Bad file descriptor) [pid 4195] close(22) = -1 EBADF (Bad file descriptor) [pid 4195] close(23) = -1 EBADF (Bad file descriptor) [pid 4195] close(24) = -1 EBADF (Bad file descriptor) [pid 4195] close(25) = -1 EBADF (Bad file descriptor) [pid 4195] close(26) = -1 EBADF (Bad file descriptor) [pid 4195] close(27) = -1 EBADF (Bad file descriptor) [pid 4195] close(28) = -1 EBADF (Bad file descriptor) [pid 4195] close(29) = -1 EBADF (Bad file descriptor) [pid 4195] exit_group(0) = ? [pid 4195] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] kill(-81, SIGKILL [pid 3613] lstat("./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./70/binderfs") = 0 [pid 3613] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4192] <... close resumed>) = ? [pid 3619] <... kill resumed>) = 0 [pid 3613] lstat("./70/cgroup", [pid 4192] +++ killed by SIGKILL +++ [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./70/cgroup") = 0 [pid 3613] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./70/cgroup.net", [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=81, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3} --- [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./70/cgroup.net") = 0 [pid 3613] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] kill(81, SIGKILL [pid 3613] lstat("./70/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./70/cgroup.cpu") = 0 [pid 3613] getdents64(3, [pid 3619] <... kill resumed>) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./70") = 0 [pid 3613] mkdir("./71", 0777) = 0 [pid 3619] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4203 attached [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4203] chdir("./71" [pid 3619] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 73 [pid 4203] <... chdir resumed>) = 0 [pid 4203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... openat resumed>) = 3 [pid 4203] <... prctl resumed>) = 0 [pid 4203] setpgid(0, 0 [pid 3619] fstat(3, [pid 4203] <... setpgid resumed>) = 0 [pid 4203] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4203] <... symlink resumed>) = 0 [pid 4203] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4203] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] getdents64(3, [pid 4203] write(3, "1000", 4) = 4 [pid 4203] close(3) = 0 [pid 4203] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4203] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3619] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4203] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4203] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4203] <... bind resumed>) = 0 [pid 4203] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./79/binderfs") = 0 [pid 3619] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4201] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4197] <... sendmsg resumed>) = 106496 [pid 3619] lstat("./79/cgroup", [pid 4201] close(3 [pid 4197] close(3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./79/cgroup") = 0 [pid 3619] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./79/cgroup.net") = 0 [pid 3619] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./79/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./79") = 0 [pid 3619] mkdir("./80", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4204 attached , child_tidptr=0x555556f5d5d0) = 82 [pid 4204] chdir("./80") = 0 [pid 4204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4204] setpgid(0, 0) = 0 [pid 4204] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4204] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4204] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4204] write(3, "1000", 4) = 4 [pid 4204] close(3) = 0 [pid 4204] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4204] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4204] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4204] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 238.641606][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880652a7000: rx timeout, send abort [pid 4204] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4201] <... close resumed>) = 0 [pid 4201] close(4) = -1 EBADF (Bad file descriptor) [pid 4201] close(5) = -1 EBADF (Bad file descriptor) [pid 4201] close(6) = -1 EBADF (Bad file descriptor) [pid 4201] close(7) = -1 EBADF (Bad file descriptor) [pid 4201] close(8) = -1 EBADF (Bad file descriptor) [pid 4201] close(9) = -1 EBADF (Bad file descriptor) [pid 4201] close(10) = -1 EBADF (Bad file descriptor) [pid 4201] close(11) = -1 EBADF (Bad file descriptor) [pid 4201] close(12) = -1 EBADF (Bad file descriptor) [pid 4201] close(13) = -1 EBADF (Bad file descriptor) [pid 4201] close(14) = -1 EBADF (Bad file descriptor) [pid 4201] close(15) = -1 EBADF (Bad file descriptor) [pid 4201] close(16) = -1 EBADF (Bad file descriptor) [pid 4201] close(17) = -1 EBADF (Bad file descriptor) [pid 4201] close(18) = -1 EBADF (Bad file descriptor) [pid 4201] close(19) = -1 EBADF (Bad file descriptor) [pid 4201] close(20) = -1 EBADF (Bad file descriptor) [pid 4201] close(21) = -1 EBADF (Bad file descriptor) [ 238.739711][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880652a7000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 238.754441][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069cc0000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4201] close(22) = -1 EBADF (Bad file descriptor) [pid 4201] close(23) = -1 EBADF (Bad file descriptor) [pid 4201] close(24) = -1 EBADF (Bad file descriptor) [pid 4201] close(25) = -1 EBADF (Bad file descriptor) [pid 4201] close(26) = -1 EBADF (Bad file descriptor) [pid 4201] close(27) = -1 EBADF (Bad file descriptor) [pid 4201] close(28) = -1 EBADF (Bad file descriptor) [pid 4201] close(29) = -1 EBADF (Bad file descriptor) [pid 4201] exit_group(0) = ? [pid 4201] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3616] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./78/binderfs") = 0 [pid 3616] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./78/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./78/cgroup") = 0 [pid 3616] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./78/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./78/cgroup.net") = 0 [pid 3616] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./78/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./78") = 0 [pid 3616] mkdir("./79", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4205 attached [pid 4205] chdir("./79" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 81 [pid 4205] <... chdir resumed>) = 0 [pid 4205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4205] setpgid(0, 0) = 0 [pid 4205] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4205] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4205] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4205] write(3, "1000", 4) = 4 [pid 4205] close(3) = 0 [pid 4205] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4205] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4205] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4205] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4205] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4202] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 239.197884][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880652a6800: rx timeout, send abort [ 239.206306][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880672bbc00: rx timeout, send abort [pid 4202] close(3) = 0 [pid 4202] close(4) = -1 EBADF (Bad file descriptor) [ 239.296664][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880652a6800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 239.311287][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880672bbc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4202] close(5 [ 239.355340][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.362048][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.368665][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.375324][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.381970][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.388594][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.395231][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.401867][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.408461][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.415090][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.421705][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.428302][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.434966][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.441624][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.448219][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.454882][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.461517][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.468128][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.474781][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.481471][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.488106][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.494773][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.501411][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.508028][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.514669][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.521295][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.527901][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.534536][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.541157][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.547745][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [pid 3620] kill(-80, SIGKILL [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... kill resumed>) = 0 [pid 4202] close(6 [pid 3620] kill(80, SIGKILL [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... kill resumed>) = 0 [pid 4202] close(7) = -1 EBADF (Bad file descriptor) [pid 4202] close(8) = -1 EBADF (Bad file descriptor) [pid 4202] close(9) = -1 EBADF (Bad file descriptor) [pid 4202] close(10) = -1 EBADF (Bad file descriptor) [pid 4202] close(11) = -1 EBADF (Bad file descriptor) [pid 4202] close(12) = -1 EBADF (Bad file descriptor) [pid 4202] close(13) = -1 EBADF (Bad file descriptor) [pid 4196] <... close resumed>) = ? [pid 4202] close(14 [pid 4196] +++ killed by SIGKILL +++ [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=80, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3} --- [pid 4202] close(15) = -1 EBADF (Bad file descriptor) [pid 4202] close(16) = -1 EBADF (Bad file descriptor) [pid 4202] close(17) = -1 EBADF (Bad file descriptor) [pid 4202] close(18 [pid 3620] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 239.554384][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.561049][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.568954][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.575635][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 239.582376][ C1] vxcan1: j1939_xtp_rx_dat: no tx connection found [pid 4202] close(19 [pid 3620] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... openat resumed>) = 3 [pid 4202] close(20 [pid 3620] fstat(3, [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4202] close(21 [pid 3620] getdents64(3, [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4202] close(22 [pid 3620] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4202] close(23 [pid 3620] lstat("./78/binderfs", [pid 4204] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4202] close(24 [pid 3620] unlink("./78/binderfs" [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 4202] close(25 [pid 3620] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4204] close(3 [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4204] <... close resumed>) = 0 [pid 4202] close(26 [pid 3620] lstat("./78/cgroup", [pid 4204] close(4 [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4202] close(27 [pid 3620] unlink("./78/cgroup" [pid 4204] close(5 [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4202] close(28 [pid 3620] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4204] close(6 [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4202] close(29 [pid 3620] lstat("./78/cgroup.net", [pid 4204] close(7 [pid 4202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4202] exit_group(0 [pid 3620] unlink("./78/cgroup.net" [pid 4204] close(8 [pid 4202] <... exit_group resumed>) = ? [pid 3620] <... unlink resumed>) = 0 [pid 4202] +++ exited with 0 +++ [pid 3620] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./78/cgroup.cpu", [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 239.612010][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073aca800: rx timeout, send abort [ 239.620402][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888061843400: rx timeout, send abort [ 239.629059][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073aca800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 239.643576][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888061843400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] unlink("./78/cgroup.cpu" [pid 3617] <... restart_syscall resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] close(3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4204] close(9 [pid 3620] <... close resumed>) = 0 [pid 3617] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] rmdir("./78" [pid 3617] <... openat resumed>) = 3 [pid 3620] <... rmdir resumed>) = 0 [pid 3617] fstat(3, [pid 3620] mkdir("./79", 0777 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3617] getdents64(3, [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 81 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./79/binderfs") = 0 [pid 3617] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./79/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./79/cgroup") = 0 [pid 3617] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4206 attached [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./79/cgroup.net", [pid 4206] chdir("./79" [pid 4204] close(10 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./79/cgroup.net" [pid 4206] <... chdir resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4204] close(11 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 239.685166][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c01e400: rx timeout, send abort [pid 4206] <... prctl resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4206] setpgid(0, 0 [pid 4204] close(12 [pid 3617] unlink("./79/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./79") = 0 [pid 4206] <... setpgid resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] mkdir("./80", 0777 [pid 4206] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4204] close(13 [pid 3617] <... mkdir resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 82 [ 239.742959][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888066c1e400: rx timeout, send abort [ 239.751384][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888066c1d400: rx timeout, send abort [ 239.771563][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066c1e400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. ./strace-static-x86_64: Process 4207 attached [pid 4206] <... symlink resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... sendmsg resumed>) = 106496 [pid 4197] <... close resumed>) = 0 [pid 4207] chdir("./80" [pid 4206] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4204] close(14 [pid 4203] close(3 [pid 4197] close(4 [pid 4207] <... chdir resumed>) = 0 [pid 4207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4206] <... symlink resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] <... prctl resumed>) = 0 [pid 4206] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4204] close(15 [pid 4197] close(5 [pid 4207] setpgid(0, 0 [pid 4206] <... symlink resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] <... setpgid resumed>) = 0 [pid 4206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4204] close(16 [pid 4197] close(6 [pid 4207] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4206] <... openat resumed>) = 3 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 239.786086][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066c1d400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4207] <... symlink resumed>) = 0 [pid 4206] write(3, "1000", 4 [pid 4204] close(17 [pid 4197] close(7 [pid 4207] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4206] <... write resumed>) = 4 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(3 [pid 4204] close(18 [pid 4197] close(8 [pid 4206] <... close resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] symlink("/dev/binderfs", "./binderfs" [pid 4204] close(19 [pid 4197] close(9 [pid 4207] <... symlink resumed>) = 0 [pid 4206] <... symlink resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4206] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4204] close(20 [pid 4197] close(10 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... socket resumed>) = 3 [pid 4207] <... symlink resumed>) = 0 [pid 4204] close(21 [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4197] close(11 [pid 4206] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4204] close(22 [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] close(12 [pid 4204] close(23 [pid 4206] <... bind resumed>) = 0 [pid 4207] <... openat resumed>) = 3 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] write(3, "1000", 4 [pid 4206] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4204] close(24 [pid 4197] close(13 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] close(25 [pid 4197] close(14 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] close(26 [pid 4197] close(15 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] close(27 [pid 4197] close(16 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] close(28 [pid 4197] close(17 [pid 4207] <... write resumed>) = 4 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] close(3 [pid 4204] close(29 [pid 4197] close(18 [pid 4207] <... close resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] symlink("/dev/binderfs", "./binderfs" [pid 4204] exit_group(0 [pid 4197] close(19 [pid 4207] <... symlink resumed>) = 0 [pid 4204] <... exit_group resumed>) = ? [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4204] +++ exited with 0 +++ [pid 4197] close(20 [pid 4207] <... socket resumed>) = 3 [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4197] close(21 [pid 4207] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4197] close(22 [pid 4207] <... bind resumed>) = 0 [pid 4197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4197] close(23) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4197] close(24) = -1 EBADF (Bad file descriptor) [pid 4197] close(25) = -1 EBADF (Bad file descriptor) [pid 4197] close(26) = -1 EBADF (Bad file descriptor) [pid 4197] close(27) = -1 EBADF (Bad file descriptor) [pid 4197] close(28) = -1 EBADF (Bad file descriptor) [pid 4197] close(29) = -1 EBADF (Bad file descriptor) [pid 4197] exit_group(0) = ? [pid 4197] +++ exited with 0 +++ [pid 3619] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 3619] <... openat resumed>) = 3 [pid 3618] <... restart_syscall resumed>) = 0 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] lstat("./80/binderfs", [pid 3618] <... openat resumed>) = 3 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] fstat(3, [pid 3619] unlink("./80/binderfs" [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3618] getdents64(3, [pid 3619] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./80/cgroup", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] lstat("./82/binderfs", [pid 3619] unlink("./80/cgroup" [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3618] unlink("./82/binderfs" [pid 3619] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] <... unlink resumed>) = 0 [pid 3619] lstat("./80/cgroup.net", [pid 3618] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./80/cgroup.net" [pid 3618] lstat("./82/cgroup", [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] unlink("./82/cgroup" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... unlink resumed>) = 0 [pid 3619] lstat("./80/cgroup.cpu", [pid 3618] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] unlink("./80/cgroup.cpu" [pid 3618] lstat("./82/cgroup.net", [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] getdents64(3, [pid 3618] unlink("./82/cgroup.net" [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3619] close(3 [pid 3618] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... close resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] rmdir("./80" [pid 3618] lstat("./82/cgroup.cpu", [pid 3619] <... rmdir resumed>) = 0 [pid 3619] mkdir("./81", 0777 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./82/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3 [pid 3619] <... mkdir resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] rmdir("./82") = 0 [pid 3618] mkdir("./83", 0777./strace-static-x86_64: Process 4208 attached [pid 4208] chdir("./81") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 83 [pid 3618] <... mkdir resumed>) = 0 [pid 4208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4208] <... prctl resumed>) = 0 [pid 4208] setpgid(0, 0) = 0 [pid 4208] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4208] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 ./strace-static-x86_64: Process 4209 attached [pid 4208] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4209] chdir("./83" [pid 4208] <... symlink resumed>) = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 85 [pid 4209] <... chdir resumed>) = 0 [pid 4208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4208] <... openat resumed>) = 3 [pid 4209] <... prctl resumed>) = 0 [pid 4208] write(3, "1000", 4 [pid 4209] setpgid(0, 0 [pid 4208] <... write resumed>) = 4 [pid 4209] <... setpgid resumed>) = 0 [pid 4209] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4208] close(3 [pid 4209] <... symlink resumed>) = 0 [pid 4208] <... close resumed>) = 0 [pid 4209] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4208] symlink("/dev/binderfs", "./binderfs" [pid 4209] <... symlink resumed>) = 0 [pid 4209] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4208] <... symlink resumed>) = 0 [pid 4209] <... symlink resumed>) = 0 [pid 4208] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4208] <... socket resumed>) = 3 [pid 4209] <... openat resumed>) = 3 [pid 4208] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4209] write(3, "1000", 4 [pid 4208] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4209] <... write resumed>) = 4 [pid 4208] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4209] close(3 [pid 4208] <... bind resumed>) = 0 [pid 4209] <... close resumed>) = 0 [pid 4208] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4209] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4209] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4209] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4209] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4209] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4207] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 240.209447][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888065920400: rx timeout, send abort [ 240.217885][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806c01e400: abort rx timeout. Force session deactivation [pid 4207] close(3) = 0 [pid 4207] close(4) = -1 EBADF (Bad file descriptor) [pid 4207] close(5) = -1 EBADF (Bad file descriptor) [pid 4207] close(6) = -1 EBADF (Bad file descriptor) [pid 4207] close(7) = -1 EBADF (Bad file descriptor) [pid 4207] close(8) = -1 EBADF (Bad file descriptor) [pid 4207] close(9) = -1 EBADF (Bad file descriptor) [pid 4207] close(10) = -1 EBADF (Bad file descriptor) [pid 4207] close(11) = -1 EBADF (Bad file descriptor) [pid 4207] close(12) = -1 EBADF (Bad file descriptor) [pid 4207] close(13) = -1 EBADF (Bad file descriptor) [pid 4207] close(14) = -1 EBADF (Bad file descriptor) [pid 4207] close(15) = -1 EBADF (Bad file descriptor) [pid 4207] close(16) = -1 EBADF (Bad file descriptor) [pid 4207] close(17) = -1 EBADF (Bad file descriptor) [pid 4207] close(18) = -1 EBADF (Bad file descriptor) [ 240.263823][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065920400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 240.278383][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a057400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4207] close(19) = -1 EBADF (Bad file descriptor) [pid 4207] close(20) = -1 EBADF (Bad file descriptor) [pid 4207] close(21) = -1 EBADF (Bad file descriptor) [pid 4206] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4207] close(22) = -1 EBADF (Bad file descriptor) [pid 4207] close(23 [pid 4206] close(3 [pid 4207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] close(24 [pid 4206] <... close resumed>) = 0 [pid 4207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(4 [pid 4207] close(25 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(5 [pid 4207] close(26) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] close(27 [pid 4206] close(6) = -1 EBADF (Bad file descriptor) [pid 4207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(7 [pid 4207] close(28) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 240.346567][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880770e1c00: rx timeout, send abort [ 240.357794][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065920800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 240.372269][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a057800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4207] close(29 [pid 4206] close(8 [pid 4207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(9 [pid 4207] exit_group(0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4207] <... exit_group resumed>) = ? [pid 4206] close(10 [pid 4207] +++ exited with 0 +++ [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(11 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(12) = -1 EBADF (Bad file descriptor) [pid 4206] close(13) = -1 EBADF (Bad file descriptor) [pid 4206] close(14) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4206] close(15 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(16 [pid 3617] <... openat resumed>) = 3 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] fstat(3, [pid 4206] close(17 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(18 [pid 3617] getdents64(3, [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(19 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4206] close(20 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./80/binderfs", [pid 4206] close(21 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./80/binderfs" [pid 4206] close(22 [pid 3617] <... unlink resumed>) = 0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4206] close(23 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./80/cgroup", [pid 4206] close(24 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./80/cgroup" [pid 4206] close(25) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 4206] close(26 [pid 3617] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(27 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./80/cgroup.net", [pid 4206] close(28 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4206] close(29 [pid 3617] unlink("./80/cgroup.net" [pid 4206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 4206] exit_group(0 [pid 3617] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4206] <... exit_group resumed>) = ? [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./80/cgroup.cpu", [pid 4206] +++ exited with 0 +++ [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./80/cgroup.cpu" [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] <... unlink resumed>) = 0 [pid 3617] getdents64(3, [pid 3620] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] close(3 [pid 3620] <... openat resumed>) = 3 [pid 3617] <... close resumed>) = 0 [pid 3620] fstat(3, [pid 3617] rmdir("./80" [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 3617] <... rmdir resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] mkdir("./81", 0777 [pid 3620] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] <... mkdir resumed>) = 0 [pid 3620] lstat("./79/binderfs", [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 83 ./strace-static-x86_64: Process 4210 attached [pid 4210] chdir("./81" [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4210] <... chdir resumed>) = 0 [pid 3620] unlink("./79/binderfs") = 0 [pid 4210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4210] <... prctl resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4210] setpgid(0, 0 [pid 3620] lstat("./79/cgroup", [pid 4210] <... setpgid resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4210] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3620] unlink("./79/cgroup" [pid 4210] <... symlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 4210] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3620] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4210] <... symlink resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./79/cgroup.net", [pid 4210] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] unlink("./79/cgroup.net" [pid 4210] <... openat resumed>) = 3 [pid 3620] <... unlink resumed>) = 0 [pid 4210] write(3, "1000", 4 [pid 3620] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4210] <... write resumed>) = 4 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4210] close(3 [pid 3620] lstat("./79/cgroup.cpu", [pid 4210] <... close resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4210] symlink("/dev/binderfs", "./binderfs" [pid 3620] unlink("./79/cgroup.cpu" [pid 4210] <... symlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 4210] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] getdents64(3, [pid 4210] <... socket resumed>) = 3 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4210] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] close(3 [pid 4210] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3620] <... close resumed>) = 0 [pid 4210] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] rmdir("./79" [pid 4210] <... bind resumed>) = 0 [pid 3620] <... rmdir resumed>) = 0 [pid 3620] mkdir("./80", 0777 [pid 4210] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... mkdir resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4211 attached [pid 4211] chdir("./80") = 0 [pid 4211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4211] setpgid(0, 0) = 0 [pid 4211] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 82 [pid 4211] <... symlink resumed>) = 0 [pid 4211] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4211] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4211] write(3, "1000", 4) = 4 [pid 4211] close(3) = 0 [pid 4211] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4211] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [ 240.864350][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880770e1c00: abort rx timeout. Force session deactivation [pid 4211] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4211] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4211] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4208] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 241.016327][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073643000: rx timeout, send abort [ 241.024772][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888067e98800: rx timeout, send abort [pid 4208] close(3) = 0 [pid 4205] <... sendmsg resumed>) = 106496 [pid 4208] close(4 [pid 4205] close(3 [pid 4208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4208] close(5) = -1 EBADF (Bad file descriptor) [pid 4208] close(6) = -1 EBADF (Bad file descriptor) [pid 4208] close(7) = -1 EBADF (Bad file descriptor) [pid 4208] close(8) = -1 EBADF (Bad file descriptor) [pid 4208] close(9) = -1 EBADF (Bad file descriptor) [pid 4208] close(10) = -1 EBADF (Bad file descriptor) [ 241.058553][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073643000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 241.073109][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888067e98800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4208] close(11) = -1 EBADF (Bad file descriptor) [pid 4208] close(12) = -1 EBADF (Bad file descriptor) [pid 4208] close(13) = -1 EBADF (Bad file descriptor) [pid 4208] close(14) = -1 EBADF (Bad file descriptor) [pid 4208] close(15) = -1 EBADF (Bad file descriptor) [pid 4208] close(16) = -1 EBADF (Bad file descriptor) [pid 4208] close(17) = -1 EBADF (Bad file descriptor) [pid 4208] close(18) = -1 EBADF (Bad file descriptor) [pid 4208] close(19) = -1 EBADF (Bad file descriptor) [pid 4208] close(20) = -1 EBADF (Bad file descriptor) [pid 4208] close(21) = -1 EBADF (Bad file descriptor) [pid 4208] close(22) = -1 EBADF (Bad file descriptor) [pid 4208] close(23) = -1 EBADF (Bad file descriptor) [pid 4208] close(24) = -1 EBADF (Bad file descriptor) [pid 4208] close(25) = -1 EBADF (Bad file descriptor) [pid 4208] close(26) = -1 EBADF (Bad file descriptor) [pid 4208] close(27) = -1 EBADF (Bad file descriptor) [pid 4208] close(28) = -1 EBADF (Bad file descriptor) [pid 4208] close(29) = -1 EBADF (Bad file descriptor) [pid 4208] exit_group(0) = ? [pid 4208] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./81/binderfs") = 0 [pid 3619] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./81/cgroup") = 0 [pid 3619] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./81/cgroup.net") = 0 [pid 3619] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./81/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./81") = 0 [pid 3619] mkdir("./82", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4212 attached [pid 4212] chdir("./82") = 0 [pid 4212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4212] setpgid(0, 0) = 0 [pid 4212] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 84 [pid 4212] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4212] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4212] write(3, "1000", 4) = 4 [pid 4212] close(3) = 0 [pid 4212] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4212] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4212] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4212] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4212] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4210] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 241.719180][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88802619dc00: rx timeout, send abort [ 241.727617][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888022403000: rx timeout, send abort [pid 4210] close(3) = 0 [pid 4210] close(4) = -1 EBADF (Bad file descriptor) [pid 4210] close(5) = -1 EBADF (Bad file descriptor) [pid 4210] close(6) = -1 EBADF (Bad file descriptor) [pid 4210] close(7) = -1 EBADF (Bad file descriptor) [pid 4210] close(8) = -1 EBADF (Bad file descriptor) [pid 4210] close(9) = -1 EBADF (Bad file descriptor) [pid 4210] close(10) = -1 EBADF (Bad file descriptor) [pid 4210] close(11) = -1 EBADF (Bad file descriptor) [pid 4210] close(12) = -1 EBADF (Bad file descriptor) [pid 4210] close(13) = -1 EBADF (Bad file descriptor) [pid 4210] close(14) = -1 EBADF (Bad file descriptor) [pid 4210] close(15) = -1 EBADF (Bad file descriptor) [pid 4210] close(16) = -1 EBADF (Bad file descriptor) [pid 4210] close(17) = -1 EBADF (Bad file descriptor) [pid 4210] close(18) = -1 EBADF (Bad file descriptor) [pid 4210] close(19) = -1 EBADF (Bad file descriptor) [pid 4210] close(20) = -1 EBADF (Bad file descriptor) [pid 4210] close(21) = -1 EBADF (Bad file descriptor) [pid 4210] close(22) = -1 EBADF (Bad file descriptor) [pid 4210] close(23) = -1 EBADF (Bad file descriptor) [pid 4210] close(24) = -1 EBADF (Bad file descriptor) [pid 4210] close(25) = -1 EBADF (Bad file descriptor) [pid 4210] close(26) = -1 EBADF (Bad file descriptor) [pid 4210] close(27) = -1 EBADF (Bad file descriptor) [pid 4210] close(28) = -1 EBADF (Bad file descriptor) [pid 4210] close(29) = -1 EBADF (Bad file descriptor) [pid 4210] exit_group(0) = ? [pid 4210] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 4203] <... close resumed>) = 0 [pid 3617] <... restart_syscall resumed>) = 0 [pid 4203] close(4) = -1 EBADF (Bad file descriptor) [pid 4203] close(5 [pid 3617] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4203] close(6) = -1 EBADF (Bad file descriptor) [pid 4203] close(7) = -1 EBADF (Bad file descriptor) [pid 4203] close(8) = -1 EBADF (Bad file descriptor) [pid 4203] close(9) = -1 EBADF (Bad file descriptor) [pid 4203] close(10) = -1 EBADF (Bad file descriptor) [pid 4203] close(11) = -1 EBADF (Bad file descriptor) [pid 4203] close(12) = -1 EBADF (Bad file descriptor) [pid 4203] close(13) = -1 EBADF (Bad file descriptor) [pid 4203] close(14) = -1 EBADF (Bad file descriptor) [pid 4203] close(15 [pid 3617] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... openat resumed>) = 3 [pid 4203] close(16 [pid 3617] fstat(3, [pid 4203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4203] close(17 [ 241.846406][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88802619dc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 241.861024][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888022403000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] getdents64(3, [pid 4203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4203] close(18) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4203] close(19) = -1 EBADF (Bad file descriptor) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4203] close(20) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./81/binderfs", [pid 4203] close(21 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./81/binderfs" [pid 4203] close(22) = -1 EBADF (Bad file descriptor) [pid 4203] close(23) = -1 EBADF (Bad file descriptor) [pid 4203] close(24) = -1 EBADF (Bad file descriptor) [pid 4203] close(25) = -1 EBADF (Bad file descriptor) [pid 4203] close(26) = -1 EBADF (Bad file descriptor) [pid 4203] close(27) = -1 EBADF (Bad file descriptor) [pid 4203] close(28) = -1 EBADF (Bad file descriptor) [pid 4203] close(29) = -1 EBADF (Bad file descriptor) [pid 4203] exit_group(0) = ? [pid 4203] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4209] <... sendmsg resumed>) = 106496 [pid 3617] <... unlink resumed>) = 0 [pid 3613] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./81/cgroup" [pid 4209] close(3 [pid 3617] <... unlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./81/cgroup.net") = 0 [pid 3617] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./81/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./81") = 0 [pid 3617] mkdir("./82", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 84 ./strace-static-x86_64: Process 4213 attached [pid 3613] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4213] chdir("./82" [pid 3613] <... openat resumed>) = 3 [pid 4213] <... chdir resumed>) = 0 [pid 3613] fstat(3, [pid 4213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4213] <... prctl resumed>) = 0 [pid 3613] getdents64(3, [pid 4213] setpgid(0, 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4213] <... setpgid resumed>) = 0 [pid 3613] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4213] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4213] <... symlink resumed>) = 0 [pid 4213] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3613] lstat("./71/binderfs", [pid 4213] <... symlink resumed>) = 0 [pid 4213] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4213] <... symlink resumed>) = 0 [pid 4213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] unlink("./71/binderfs" [pid 4213] <... openat resumed>) = 3 [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4213] write(3, "1000", 4 [pid 3613] lstat("./71/cgroup", [pid 4213] <... write resumed>) = 4 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4213] close(3 [pid 3613] unlink("./71/cgroup" [pid 4213] <... close resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 4213] symlink("/dev/binderfs", "./binderfs" [pid 3613] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4213] <... symlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4213] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3613] lstat("./71/cgroup.net", [pid 4213] <... socket resumed>) = 3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4213] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3613] unlink("./71/cgroup.net" [pid 4213] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 4213] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3613] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4213] <... bind resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4213] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3613] lstat("./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./71/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./71") = 0 [pid 3613] mkdir("./72", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 74 ./strace-static-x86_64: Process 4214 attached [pid 4214] chdir("./72") = 0 [pid 4214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4214] setpgid(0, 0) = 0 [pid 4214] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4214] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4214] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4214] write(3, "1000", 4) = 4 [pid 4214] close(3) = 0 [pid 4214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4214] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4214] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4214] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4214] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4213] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 242.912335][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888061b2d800: rx timeout, send abort [ 242.920746][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806db3e000: rx timeout, send abort [pid 4213] close(3) = 0 [pid 4213] close(4) = -1 EBADF (Bad file descriptor) [pid 4213] close(5) = -1 EBADF (Bad file descriptor) [pid 4213] close(6) = -1 EBADF (Bad file descriptor) [pid 4213] close(7) = -1 EBADF (Bad file descriptor) [pid 4213] close(8) = -1 EBADF (Bad file descriptor) [pid 4213] close(9) = -1 EBADF (Bad file descriptor) [pid 4213] close(10) = -1 EBADF (Bad file descriptor) [pid 4213] close(11) = -1 EBADF (Bad file descriptor) [pid 4213] close(12) = -1 EBADF (Bad file descriptor) [pid 4213] close(13) = -1 EBADF (Bad file descriptor) [pid 4213] close(14) = -1 EBADF (Bad file descriptor) [ 243.028160][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888061b2d800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 243.042741][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806db3e000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4213] close(15) = -1 EBADF (Bad file descriptor) [pid 4213] close(16) = -1 EBADF (Bad file descriptor) [pid 4213] close(17) = -1 EBADF (Bad file descriptor) [pid 4213] close(18) = -1 EBADF (Bad file descriptor) [pid 4213] close(19) = -1 EBADF (Bad file descriptor) [pid 4213] close(20) = -1 EBADF (Bad file descriptor) [pid 4213] close(21) = -1 EBADF (Bad file descriptor) [pid 4213] close(22) = -1 EBADF (Bad file descriptor) [pid 4213] close(23) = -1 EBADF (Bad file descriptor) [pid 4213] close(24) = -1 EBADF (Bad file descriptor) [pid 4213] close(25) = -1 EBADF (Bad file descriptor) [pid 4213] close(26) = -1 EBADF (Bad file descriptor) [pid 4213] close(27) = -1 EBADF (Bad file descriptor) [pid 4213] close(28) = -1 EBADF (Bad file descriptor) [pid 4213] close(29) = -1 EBADF (Bad file descriptor) [pid 4213] exit_group(0) = ? [pid 4213] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3617] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4214] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3617] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./82/binderfs" [pid 4214] close(3 [pid 3617] <... unlink resumed>) = 0 [pid 3617] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./82/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./82/cgroup") = 0 [pid 3617] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./82/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./82/cgroup.net") = 0 [pid 3617] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./82/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./82/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./82") = 0 [pid 3617] mkdir("./83", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4215 attached , child_tidptr=0x555556f5d5d0) = 85 [pid 4215] chdir("./83") = 0 [pid 4215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 243.158085][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880619b2400: rx timeout, send abort [ 243.166506][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807626d400: rx timeout, send abort [pid 4215] setpgid(0, 0) = 0 [pid 4215] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4215] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4215] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4215] write(3, "1000", 4) = 4 [pid 4215] close(3) = 0 [pid 4215] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4215] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4215] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4214] <... close resumed>) = 0 [pid 4215] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4214] close(4 [pid 4215] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4215] <... bind resumed>) = 0 [pid 4214] close(5 [pid 4215] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4214] close(6) = -1 EBADF (Bad file descriptor) [pid 4214] close(7) = -1 EBADF (Bad file descriptor) [pid 4214] close(8) = -1 EBADF (Bad file descriptor) [pid 4214] close(9) = -1 EBADF (Bad file descriptor) [pid 4214] close(10) = -1 EBADF (Bad file descriptor) [pid 4214] close(11) = -1 EBADF (Bad file descriptor) [ 243.294807][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880619b2400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 243.309424][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807626d400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4214] close(12) = -1 EBADF (Bad file descriptor) [pid 4214] close(13) = -1 EBADF (Bad file descriptor) [pid 4214] close(14) = -1 EBADF (Bad file descriptor) [pid 4214] close(15) = -1 EBADF (Bad file descriptor) [pid 4214] close(16) = -1 EBADF (Bad file descriptor) [pid 4214] close(17) = -1 EBADF (Bad file descriptor) [pid 4214] close(18) = -1 EBADF (Bad file descriptor) [pid 4214] close(19) = -1 EBADF (Bad file descriptor) [pid 4214] close(20) = -1 EBADF (Bad file descriptor) [pid 4214] close(21) = -1 EBADF (Bad file descriptor) [pid 4214] close(22) = -1 EBADF (Bad file descriptor) [pid 4214] close(23) = -1 EBADF (Bad file descriptor) [pid 4214] close(24) = -1 EBADF (Bad file descriptor) [pid 4214] close(25) = -1 EBADF (Bad file descriptor) [pid 4214] close(26) = -1 EBADF (Bad file descriptor) [pid 4214] close(27) = -1 EBADF (Bad file descriptor) [pid 4214] close(28) = -1 EBADF (Bad file descriptor) [pid 4214] close(29) = -1 EBADF (Bad file descriptor) [pid 4214] exit_group(0) = ? [pid 4214] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./72/binderfs") = 0 [pid 3613] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./72/cgroup") = 0 [pid 3613] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./72/cgroup.net") = 0 [pid 3613] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./72/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./72") = 0 [pid 3613] mkdir("./73", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4216 attached [pid 4216] chdir("./73") = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 75 [pid 4216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4216] setpgid(0, 0) = 0 [pid 4216] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4216] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4216] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4216] write(3, "1000", 4) = 4 [pid 4216] close(3) = 0 [pid 4216] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4216] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4216] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4216] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4216] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4209] <... close resumed>) = 0 [pid 4209] close(4) = -1 EBADF (Bad file descriptor) [pid 4209] close(5) = -1 EBADF (Bad file descriptor) [pid 4209] close(6) = -1 EBADF (Bad file descriptor) [pid 4209] close(7) = -1 EBADF (Bad file descriptor) [pid 4209] close(8) = -1 EBADF (Bad file descriptor) [pid 4209] close(9) = -1 EBADF (Bad file descriptor) [pid 4209] close(10) = -1 EBADF (Bad file descriptor) [pid 4209] close(11) = -1 EBADF (Bad file descriptor) [pid 4209] close(12) = -1 EBADF (Bad file descriptor) [pid 4209] close(13) = -1 EBADF (Bad file descriptor) [pid 4209] close(14) = -1 EBADF (Bad file descriptor) [pid 4209] close(15) = -1 EBADF (Bad file descriptor) [pid 4209] close(16) = -1 EBADF (Bad file descriptor) [pid 4209] close(17) = -1 EBADF (Bad file descriptor) [pid 4209] close(18) = -1 EBADF (Bad file descriptor) [pid 4209] close(19) = -1 EBADF (Bad file descriptor) [pid 4209] close(20) = -1 EBADF (Bad file descriptor) [pid 4209] close(21) = -1 EBADF (Bad file descriptor) [pid 4209] close(22) = -1 EBADF (Bad file descriptor) [pid 4209] close(23) = -1 EBADF (Bad file descriptor) [pid 4209] close(24) = -1 EBADF (Bad file descriptor) [pid 4209] close(25) = -1 EBADF (Bad file descriptor) [pid 4209] close(26) = -1 EBADF (Bad file descriptor) [pid 4209] close(27) = -1 EBADF (Bad file descriptor) [pid 4209] close(28) = -1 EBADF (Bad file descriptor) [pid 4209] close(29) = -1 EBADF (Bad file descriptor) [pid 4209] exit_group(0) = ? [pid 4209] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./83/binderfs") = 0 [pid 3618] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./83/cgroup") = 0 [pid 3618] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./83/cgroup.net") = 0 [pid 3618] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./83/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./83") = 0 [pid 3618] mkdir("./84", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4217 attached [pid 4217] chdir("./84" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 86 [pid 4217] <... chdir resumed>) = 0 [pid 4217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4217] setpgid(0, 0) = 0 [pid 4217] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4217] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4217] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4217] write(3, "1000", 4) = 4 [pid 4217] close(3) = 0 [pid 4217] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4217] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4217] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4217] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3616] kill(-81, SIGKILL [pid 4217] <... bind resumed>) = 0 [pid 3616] <... kill resumed>) = 0 [pid 4217] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3616] kill(81, SIGKILL [pid 4205] <... close resumed>) = ? [pid 3616] <... kill resumed>) = 0 [pid 4205] +++ killed by SIGKILL +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=81, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3616] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./79/binderfs") = 0 [pid 3616] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./79/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./79/cgroup") = 0 [pid 3616] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./79/cgroup.net") = 0 [pid 3616] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./79/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./79") = 0 [pid 3616] mkdir("./80", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4218 attached [pid 4218] chdir("./80") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 82 [pid 4218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4218] setpgid(0, 0) = 0 [pid 4218] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4218] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4218] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4218] write(3, "1000", 4) = 4 [pid 4218] close(3) = 0 [pid 4218] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4218] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4218] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4218] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4218] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4211] <... sendmsg resumed>) = 106496 [pid 4211] close(3 [pid 4216] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 244.505309][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880253c5c00: rx timeout, send abort [ 244.513758][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076308000: rx timeout, send abort [pid 4216] close(3) = 0 [pid 4216] close(4) = -1 EBADF (Bad file descriptor) [pid 4216] close(5) = -1 EBADF (Bad file descriptor) [pid 4216] close(6) = -1 EBADF (Bad file descriptor) [pid 4216] close(7) = -1 EBADF (Bad file descriptor) [pid 4216] close(8) = -1 EBADF (Bad file descriptor) [pid 4216] close(9) = -1 EBADF (Bad file descriptor) [pid 4216] close(10) = -1 EBADF (Bad file descriptor) [pid 4216] close(11) = -1 EBADF (Bad file descriptor) [pid 4216] close(12) = -1 EBADF (Bad file descriptor) [pid 4216] close(13) = -1 EBADF (Bad file descriptor) [pid 4216] close(14) = -1 EBADF (Bad file descriptor) [ 244.544618][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880253c5c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 244.559183][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076308000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4216] close(15) = -1 EBADF (Bad file descriptor) [pid 4216] close(16) = -1 EBADF (Bad file descriptor) [pid 4216] close(17) = -1 EBADF (Bad file descriptor) [pid 4216] close(18) = -1 EBADF (Bad file descriptor) [pid 4216] close(19) = -1 EBADF (Bad file descriptor) [pid 4216] close(20) = -1 EBADF (Bad file descriptor) [pid 4216] close(21) = -1 EBADF (Bad file descriptor) [pid 4216] close(22) = -1 EBADF (Bad file descriptor) [pid 4216] close(23) = -1 EBADF (Bad file descriptor) [pid 4216] close(24) = -1 EBADF (Bad file descriptor) [pid 4216] close(25) = -1 EBADF (Bad file descriptor) [pid 4216] close(26) = -1 EBADF (Bad file descriptor) [pid 4216] close(27) = -1 EBADF (Bad file descriptor) [pid 4216] close(28) = -1 EBADF (Bad file descriptor) [pid 4216] close(29) = -1 EBADF (Bad file descriptor) [pid 4216] exit_group(0) = ? [pid 4216] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3613] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4212] <... sendmsg resumed>) = 106496 [pid 4212] close(3 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./73/binderfs") = 0 [pid 3613] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./73/cgroup") = 0 [pid 3613] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./73/cgroup.net") = 0 [pid 3613] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./73/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./73") = 0 [pid 3613] mkdir("./74", 0777) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4219 attached , child_tidptr=0x555556f5d5d0) = 76 [pid 4217] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4217] close(3 [pid 4219] chdir("./74") = 0 [pid 4219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4219] setpgid(0, 0) = 0 [pid 4219] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4219] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [ 244.853123][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880253c4800: rx timeout, send abort [ 244.861574][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b1f3000: rx timeout, send abort [pid 4219] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4219] write(3, "1000", 4) = 4 [pid 4219] close(3 [pid 4217] <... close resumed>) = 0 [pid 4217] close(4) = -1 EBADF (Bad file descriptor) [pid 4217] close(5) = -1 EBADF (Bad file descriptor) [pid 4217] close(6) = -1 EBADF (Bad file descriptor) [pid 4217] close(7) = -1 EBADF (Bad file descriptor) [pid 4217] close(8) = -1 EBADF (Bad file descriptor) [pid 4217] close(9) = -1 EBADF (Bad file descriptor) [pid 4217] close(10) = -1 EBADF (Bad file descriptor) [pid 4217] close(11) = -1 EBADF (Bad file descriptor) [pid 4217] close(12) = -1 EBADF (Bad file descriptor) [pid 4217] close(13) = -1 EBADF (Bad file descriptor) [pid 4217] close(14) = -1 EBADF (Bad file descriptor) [pid 4217] close(15) = -1 EBADF (Bad file descriptor) [pid 4217] close(16) = -1 EBADF (Bad file descriptor) [pid 4217] close(17) = -1 EBADF (Bad file descriptor) [pid 4217] close(18) = -1 EBADF (Bad file descriptor) [pid 4217] close(19) = -1 EBADF (Bad file descriptor) [pid 4217] close(20) = -1 EBADF (Bad file descriptor) [pid 4217] close(21) = -1 EBADF (Bad file descriptor) [pid 4217] close(22) = -1 EBADF (Bad file descriptor) [pid 4217] close(23) = -1 EBADF (Bad file descriptor) [pid 4217] close(24) = -1 EBADF (Bad file descriptor) [pid 4217] close(25) = -1 EBADF (Bad file descriptor) [pid 4217] close(26) = -1 EBADF (Bad file descriptor) [pid 4217] close(27) = -1 EBADF (Bad file descriptor) [pid 4217] close(28) = -1 EBADF (Bad file descriptor) [pid 4217] close(29) = -1 EBADF (Bad file descriptor) [pid 4217] exit_group(0) = ? [pid 4217] +++ exited with 0 +++ [pid 4219] <... close resumed>) = 0 [pid 4219] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4219] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4219] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4219] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4219] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 244.932329][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880253c4800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 244.946941][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b1f3000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] unlink("./84/binderfs") = 0 [pid 3618] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./84/cgroup") = 0 [pid 3618] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./84/cgroup.net") = 0 [pid 3618] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./84/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./84/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./84") = 0 [pid 3618] mkdir("./85", 0777) = 0 [ 245.138584][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806e1c3400: rx timeout, send abort [ 245.156260][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b1f2400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 245.170729][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b1f0400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4218] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 87 [ 245.170763][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.191679][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.198266][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.204837][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.211442][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.217958][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.224569][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.231141][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.237737][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.244322][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.250897][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.257467][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.264102][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.270623][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.277238][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.283887][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.290461][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.297045][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.303664][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.310188][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.316811][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.323375][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.329951][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.336516][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.343133][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.349650][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.356260][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.362820][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.369389][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.375963][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.382574][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.389101][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.395732][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.402295][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.408872][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.415435][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.422040][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.428561][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.435182][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.441747][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.448319][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.454886][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.461503][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.468029][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.474647][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.481212][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 4218] close(3./strace-static-x86_64: Process 4220 attached [pid 4220] chdir("./85") = 0 [ 245.487785][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.494350][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.527820][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [pid 4220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4220] setpgid(0, 0) = 0 [ 245.534436][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.541073][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.547596][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.554218][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.560743][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [ 245.567373][ C0] vxcan1: j1939_xtp_rx_dat: no tx connection found [ 245.573956][ C0] vxcan1: j1939_xtp_rx_dat: no rx connection found [pid 4220] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4220] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4220] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4220] write(3, "1000", 4) = 4 [pid 4220] close(3) = 0 [pid 4220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4220] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4220] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [ 245.659487][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806e1c3400: abort rx timeout. Force session deactivation [pid 4220] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4220] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] kill(-82, SIGKILL [pid 4211] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 4211] +++ killed by SIGKILL +++ [pid 3620] kill(82, SIGKILL) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=82, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3} --- [pid 3620] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./80/binderfs") = 0 [pid 3620] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./80/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./80/cgroup") = 0 [pid 3620] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./80/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./80/cgroup.net") = 0 [pid 3620] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./80/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./80/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./80") = 0 [pid 3620] mkdir("./81", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 83 ./strace-static-x86_64: Process 4221 attached [pid 4218] <... close resumed>) = 0 [pid 4221] chdir("./81" [pid 4218] close(4 [pid 4221] <... chdir resumed>) = 0 [pid 4221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] <... prctl resumed>) = 0 [pid 4218] close(5) = -1 EBADF (Bad file descriptor) [pid 4218] close(6 [pid 4221] setpgid(0, 0 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] <... setpgid resumed>) = 0 [pid 4218] close(7 [pid 4221] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] <... symlink resumed>) = 0 [pid 4218] close(8 [pid 4221] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] <... symlink resumed>) = 0 [pid 4218] close(9 [pid 4221] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] <... symlink resumed>) = 0 [pid 4218] close(10) = -1 EBADF (Bad file descriptor) [pid 4221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4218] close(11 [pid 4221] <... openat resumed>) = 3 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] write(3, "1000", 4 [pid 4218] close(12 [pid 4221] <... write resumed>) = 4 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(3 [pid 4218] close(13 [pid 4221] <... close resumed>) = 0 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] symlink("/dev/binderfs", "./binderfs" [pid 4218] close(14 [pid 4221] <... symlink resumed>) = 0 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4218] close(15 [pid 4221] <... socket resumed>) = 3 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4218] close(16 [pid 4221] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4221] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] <... bind resumed>) = 0 [pid 4218] close(17 [pid 4221] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4218] close(18) = -1 EBADF (Bad file descriptor) [pid 4218] close(19) = -1 EBADF (Bad file descriptor) [pid 4218] close(20) = -1 EBADF (Bad file descriptor) [pid 4218] close(21) = -1 EBADF (Bad file descriptor) [pid 4218] close(22) = -1 EBADF (Bad file descriptor) [pid 4218] close(23) = -1 EBADF (Bad file descriptor) [pid 4218] close(24) = -1 EBADF (Bad file descriptor) [pid 4218] close(25) = -1 EBADF (Bad file descriptor) [pid 4218] close(26) = -1 EBADF (Bad file descriptor) [pid 4218] close(27) = -1 EBADF (Bad file descriptor) [pid 4218] close(28) = -1 EBADF (Bad file descriptor) [pid 4218] close(29) = -1 EBADF (Bad file descriptor) [pid 4218] exit_group(0) = ? [pid 4218] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./80/binderfs") = 0 [pid 3616] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./80/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./80/cgroup") = 0 [pid 4215] <... sendmsg resumed>) = 106496 [pid 4215] close(3 [pid 3616] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./80/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./80/cgroup.net") = 0 [pid 3616] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./80/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./80/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./80") = 0 [pid 3616] mkdir("./81", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4222 attached [pid 4222] chdir("./81" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 83 [pid 4222] <... chdir resumed>) = 0 [pid 4222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4222] setpgid(0, 0) = 0 [pid 4222] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4222] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4222] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4222] write(3, "1000", 4) = 4 [pid 4222] close(3 [pid 3619] kill(-84, SIGKILL [pid 4222] <... close resumed>) = 0 [pid 4212] <... close resumed>) = ? [pid 3619] <... kill resumed>) = 0 [pid 4222] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4212] +++ killed by SIGKILL +++ [pid 3619] kill(84, SIGKILL [pid 4222] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] <... kill resumed>) = 0 [pid 4222] <... socket resumed>) = 3 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=84, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 4222] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4222] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3619] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4222] <... bind resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4222] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./82/binderfs") = 0 [pid 3619] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./82/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./82/cgroup") = 0 [pid 3619] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./82/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./82/cgroup.net") = 0 [pid 3619] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./82/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./82/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./82") = 0 [pid 3619] mkdir("./83", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4223 attached [pid 4223] chdir("./83" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 85 [pid 4223] <... chdir resumed>) = 0 [pid 4223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4223] setpgid(0, 0) = 0 [pid 4223] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4223] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4223] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4223] write(3, "1000", 4) = 4 [pid 4223] close(3) = 0 [pid 4223] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4223] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4223] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4223] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4223] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4220] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 246.725807][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888064a67c00: rx timeout, send abort [ 246.734277][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88801f1f5c00: rx timeout, send abort [ 246.791865][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888064a67c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 246.806432][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801f1f5c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 246.821297][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888069cc0000: rx timeout, send abort [ 246.829676][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806c004800: rx timeout, send abort [pid 4220] close(3) = 0 [pid 4219] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4220] close(4 [pid 4219] close(3 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = 0 [pid 4220] close(5 [pid 4219] close(4 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(6 [pid 4219] close(5 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(7 [pid 4219] close(6 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(8 [pid 4219] close(7 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(9 [pid 4219] close(8 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(10 [pid 4219] close(9 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(11 [pid 4219] close(10 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(12 [pid 4219] close(11 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(13 [pid 4219] close(12 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(14 [pid 4219] close(13 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(15 [pid 4219] close(14 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(16 [pid 4219] close(15 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 246.838393][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069cc0000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 246.852822][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806c004800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4220] close(17 [pid 4219] close(16 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(18 [pid 4219] close(17 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(19 [pid 4219] close(18 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(20 [pid 4219] close(19 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(21 [pid 4219] close(20 [pid 4221] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(3 [pid 4220] close(22 [pid 4219] close(21 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(23 [pid 4219] close(22 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(24 [pid 4219] close(23 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(25 [pid 4219] close(24 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(26 [pid 4219] close(25 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(27 [pid 4219] close(26 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(28 [pid 4219] close(27 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] close(29 [pid 4219] close(28 [pid 4220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] exit_group(0 [pid 4219] close(29 [pid 4220] <... exit_group resumed>) = ? [pid 4219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4220] +++ exited with 0 +++ [pid 4219] exit_group(0) = ? [pid 4219] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [ 246.918808][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888066110000: rx timeout, send abort [ 246.927253][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888066113000: rx timeout, send abort [pid 3613] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./74/binderfs" [pid 3618] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, [pid 3613] <... unlink resumed>) = 0 [pid 3613] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4221] <... close resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4221] close(4) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./74/cgroup", [pid 4221] close(5) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4221] close(6) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./74/cgroup" [pid 4221] close(7) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4221] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4221] close(9 [pid 3618] lstat("./85/binderfs", [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4221] close(10 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./85/binderfs" [pid 3613] lstat("./74/cgroup.net", [pid 4221] close(11) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4221] close(12 [pid 3618] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./74/cgroup.net" [pid 4221] close(13 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4221] close(14 [pid 3613] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4221] close(15 [pid 3613] lstat("./74/cgroup.cpu", [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./85/cgroup", [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4221] close(16 [pid 3613] unlink("./74/cgroup.cpu" [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4221] close(17 [pid 3613] getdents64(3, [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4221] close(18 [pid 3613] close(3 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... close resumed>) = 0 [pid 4221] close(19 [pid 3613] rmdir("./74" [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./85/cgroup" [pid 3613] <... rmdir resumed>) = 0 [pid 4221] close(20 [pid 3613] mkdir("./75", 0777 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 3613] <... mkdir resumed>) = 0 [pid 4221] close(21 [pid 3618] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4224 attached [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4221] close(22 [pid 4224] chdir("./75" [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 77 [pid 4224] <... chdir resumed>) = 0 [pid 4221] close(23 [pid 3618] lstat("./85/cgroup.net", [pid 4224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(24 [pid 4224] <... prctl resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 247.006234][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066110000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 247.020867][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066113000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4224] setpgid(0, 0 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] unlink("./85/cgroup.net" [pid 4224] <... setpgid resumed>) = 0 [pid 4221] close(25) = -1 EBADF (Bad file descriptor) [pid 4221] close(26 [pid 3618] <... unlink resumed>) = 0 [pid 4224] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(27 [pid 3618] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4224] <... symlink resumed>) = 0 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4224] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4221] close(28 [pid 3618] lstat("./85/cgroup.cpu", [pid 4224] <... symlink resumed>) = 0 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4221] close(29 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] <... symlink resumed>) = 0 [pid 3618] unlink("./85/cgroup.cpu" [pid 4224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4221] exit_group(0) = ? [pid 3618] <... unlink resumed>) = 0 [pid 4224] <... openat resumed>) = 3 [pid 4221] +++ exited with 0 +++ [pid 4224] write(3, "1000", 4 [pid 3618] getdents64(3, [pid 4224] <... write resumed>) = 4 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4224] close(3 [pid 3620] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] close(3 [pid 4224] <... close resumed>) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... close resumed>) = 0 [pid 4224] symlink("/dev/binderfs", "./binderfs" [pid 3620] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3618] rmdir("./85" [pid 4224] <... symlink resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 4224] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3620] fstat(3, [pid 3618] <... rmdir resumed>) = 0 [pid 4224] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4224] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3618] mkdir("./86", 0777 [pid 4224] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3620] getdents64(3, [pid 3618] <... mkdir resumed>) = 0 [pid 4224] <... bind resumed>) = 0 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4224] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4225 attached ) = -1 EINVAL (Invalid argument) [pid 4225] chdir("./86" [pid 3620] lstat("./81/binderfs", [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 88 [pid 4225] <... chdir resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] unlink("./81/binderfs" [pid 4225] <... prctl resumed>) = 0 [pid 4225] setpgid(0, 0 [pid 3620] <... unlink resumed>) = 0 [pid 4225] <... setpgid resumed>) = 0 [pid 3620] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4225] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4225] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4225] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] lstat("./81/cgroup", [pid 4225] <... openat resumed>) = 3 [pid 4225] write(3, "1000", 4) = 4 [pid 4225] close(3) = 0 [pid 4225] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4225] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4225] <... socket resumed>) = 3 [pid 4225] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4225] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4225] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] unlink("./81/cgroup") = 0 [ 247.135555][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806087e400: rx timeout, send abort [pid 3620] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./81/cgroup.net") = 0 [pid 3620] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./81/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./81") = 0 [pid 3620] mkdir("./82", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4226 attached , child_tidptr=0x555556f5d5d0) = 84 [pid 4226] chdir("./82") = 0 [pid 4226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4226] setpgid(0, 0) = 0 [pid 4226] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4226] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4226] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4226] write(3, "1000", 4) = 4 [pid 4226] close(3) = 0 [pid 4226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4226] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4226] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4226] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 247.185823][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888060901800: rx timeout, send abort [pid 4226] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4223] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4223] close(3) = 0 [pid 4223] close(4) = -1 EBADF (Bad file descriptor) [pid 4223] close(5) = -1 EBADF (Bad file descriptor) [pid 4223] close(6) = -1 EBADF (Bad file descriptor) [pid 4223] close(7) = -1 EBADF (Bad file descriptor) [pid 4223] close(8) = -1 EBADF (Bad file descriptor) [pid 4223] close(9) = -1 EBADF (Bad file descriptor) [pid 4223] close(10) = -1 EBADF (Bad file descriptor) [pid 4223] close(11) = -1 EBADF (Bad file descriptor) [pid 4223] close(12) = -1 EBADF (Bad file descriptor) [pid 4223] close(13) = -1 EBADF (Bad file descriptor) [pid 4223] close(14) = -1 EBADF (Bad file descriptor) [pid 4223] close(15) = -1 EBADF (Bad file descriptor) [pid 4223] close(16) = -1 EBADF (Bad file descriptor) [pid 4223] close(17) = -1 EBADF (Bad file descriptor) [pid 4223] close(18) = -1 EBADF (Bad file descriptor) [pid 4223] close(19) = -1 EBADF (Bad file descriptor) [pid 4223] close(20) = -1 EBADF (Bad file descriptor) [pid 4223] close(21) = -1 EBADF (Bad file descriptor) [pid 4223] close(22) = -1 EBADF (Bad file descriptor) [pid 4223] close(23) = -1 EBADF (Bad file descriptor) [pid 4223] close(24) = -1 EBADF (Bad file descriptor) [pid 4223] close(25) = -1 EBADF (Bad file descriptor) [pid 4223] close(26) = -1 EBADF (Bad file descriptor) [pid 4223] close(27) = -1 EBADF (Bad file descriptor) [pid 4223] close(28) = -1 EBADF (Bad file descriptor) [pid 4223] close(29) = -1 EBADF (Bad file descriptor) [pid 4223] exit_group(0) = ? [pid 4223] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 247.313708][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b1a1400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 247.328177][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b1a2800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./83/binderfs") = 0 [pid 3619] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./83/cgroup") = 0 [pid 3619] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./83/cgroup.net") = 0 [pid 3619] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./83/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./83") = 0 [pid 3619] mkdir("./84", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4227 attached [pid 4227] chdir("./84" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 86 [pid 4227] <... chdir resumed>) = 0 [pid 4227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4227] setpgid(0, 0) = 0 [pid 4227] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4227] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4227] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4227] write(3, "1000", 4) = 4 [pid 4227] close(3) = 0 [pid 4227] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4227] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4227] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4227] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 247.652521][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806087e400: abort rx timeout. Force session deactivation [pid 4227] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4215] <... close resumed>) = 0 [pid 4215] close(4) = -1 EBADF (Bad file descriptor) [pid 4215] close(5) = -1 EBADF (Bad file descriptor) [pid 4215] close(6) = -1 EBADF (Bad file descriptor) [pid 4215] close(7) = -1 EBADF (Bad file descriptor) [pid 4215] close(8) = -1 EBADF (Bad file descriptor) [pid 4215] close(9) = -1 EBADF (Bad file descriptor) [pid 4215] close(10) = -1 EBADF (Bad file descriptor) [pid 4215] close(11) = -1 EBADF (Bad file descriptor) [pid 4215] close(12) = -1 EBADF (Bad file descriptor) [pid 4215] close(13) = -1 EBADF (Bad file descriptor) [pid 4215] close(14) = -1 EBADF (Bad file descriptor) [pid 4215] close(15) = -1 EBADF (Bad file descriptor) [pid 4215] close(16) = -1 EBADF (Bad file descriptor) [pid 4215] close(17) = -1 EBADF (Bad file descriptor) [pid 4215] close(18) = -1 EBADF (Bad file descriptor) [pid 4215] close(19) = -1 EBADF (Bad file descriptor) [pid 4215] close(20) = -1 EBADF (Bad file descriptor) [ 247.712843][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888060901800: abort rx timeout. Force session deactivation [pid 4215] close(21) = -1 EBADF (Bad file descriptor) [pid 4215] close(22) = -1 EBADF (Bad file descriptor) [pid 4215] close(23) = -1 EBADF (Bad file descriptor) [pid 4215] close(24) = -1 EBADF (Bad file descriptor) [pid 4215] close(25) = -1 EBADF (Bad file descriptor) [pid 4215] close(26) = -1 EBADF (Bad file descriptor) [pid 4215] close(27) = -1 EBADF (Bad file descriptor) [pid 4215] close(28) = -1 EBADF (Bad file descriptor) [pid 4215] close(29) = -1 EBADF (Bad file descriptor) [pid 4215] exit_group(0) = ? [pid 4215] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3617] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./83/binderfs") = 0 [pid 3617] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./83/cgroup") = 0 [pid 3617] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./83/cgroup.net") = 0 [pid 3617] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./83/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./83") = 0 [pid 3617] mkdir("./84", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4228 attached , child_tidptr=0x555556f5d5d0) = 86 [pid 4228] chdir("./84") = 0 [pid 4228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4228] setpgid(0, 0) = 0 [pid 4228] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4228] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4228] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4228] write(3, "1000", 4) = 4 [pid 4228] close(3) = 0 [pid 4228] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4228] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4228] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4228] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4228] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4224] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 247.990247][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880703bf400: rx timeout, send abort [ 247.998684][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888069e8ac00: rx timeout, send abort [ 248.025066][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880703bf400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4224] close(3) = 0 [pid 4224] close(4) = -1 EBADF (Bad file descriptor) [pid 4224] close(5) = -1 EBADF (Bad file descriptor) [pid 4224] close(6) = -1 EBADF (Bad file descriptor) [pid 4224] close(7) = -1 EBADF (Bad file descriptor) [pid 4224] close(8) = -1 EBADF (Bad file descriptor) [pid 4224] close(9) = -1 EBADF (Bad file descriptor) [pid 4224] close(10) = -1 EBADF (Bad file descriptor) [pid 4224] close(11) = -1 EBADF (Bad file descriptor) [pid 4224] close(12) = -1 EBADF (Bad file descriptor) [pid 4224] close(13) = -1 EBADF (Bad file descriptor) [pid 4224] close(14 [pid 4225] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4225] close(3 [pid 4224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4224] close(15) = -1 EBADF (Bad file descriptor) [pid 4224] close(16) = -1 EBADF (Bad file descriptor) [pid 4224] close(17) = -1 EBADF (Bad file descriptor) [pid 4224] close(18) = -1 EBADF (Bad file descriptor) [pid 4224] close(19) = -1 EBADF (Bad file descriptor) [pid 4224] close(20) = -1 EBADF (Bad file descriptor) [pid 4224] close(21) = -1 EBADF (Bad file descriptor) [pid 4224] close(22) = -1 EBADF (Bad file descriptor) [pid 4224] close(23) = -1 EBADF (Bad file descriptor) [pid 4224] close(24) = -1 EBADF (Bad file descriptor) [pid 4224] close(25) = -1 EBADF (Bad file descriptor) [pid 4224] close(26) = -1 EBADF (Bad file descriptor) [pid 4224] close(27) = -1 EBADF (Bad file descriptor) [pid 4224] close(28) = -1 EBADF (Bad file descriptor) [pid 4224] close(29) = -1 EBADF (Bad file descriptor) [ 248.039669][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069e8ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 248.073435][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073444800: rx timeout, send abort [ 248.081853][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073444c00: rx timeout, send abort [pid 4224] exit_group(0) = ? [pid 4224] +++ exited with 0 +++ [pid 4225] <... close resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4225] close(4) = -1 EBADF (Bad file descriptor) [pid 4225] close(5) = -1 EBADF (Bad file descriptor) [pid 4225] close(6) = -1 EBADF (Bad file descriptor) [pid 4225] close(7) = -1 EBADF (Bad file descriptor) [pid 4225] close(8) = -1 EBADF (Bad file descriptor) [pid 4225] close(9) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4225] close(10) = -1 EBADF (Bad file descriptor) [pid 4225] close(11) = -1 EBADF (Bad file descriptor) [pid 4225] close(12 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 248.105576][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073444800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 248.120128][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073444c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4225] close(13 [pid 3613] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4225] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4225] close(14) = -1 EBADF (Bad file descriptor) [pid 4225] close(15) = -1 EBADF (Bad file descriptor) [pid 4225] close(16) = -1 EBADF (Bad file descriptor) [pid 4225] close(17) = -1 EBADF (Bad file descriptor) [pid 4225] close(18) = -1 EBADF (Bad file descriptor) [pid 4225] close(19) = -1 EBADF (Bad file descriptor) [pid 4225] close(20) = -1 EBADF (Bad file descriptor) [pid 4225] close(21) = -1 EBADF (Bad file descriptor) [pid 4225] close(22) = -1 EBADF (Bad file descriptor) [pid 4225] close(23) = -1 EBADF (Bad file descriptor) [pid 4225] close(24) = -1 EBADF (Bad file descriptor) [pid 3613] <... openat resumed>) = 3 [pid 4225] close(25) = -1 EBADF (Bad file descriptor) [pid 4225] close(26) = -1 EBADF (Bad file descriptor) [pid 4225] close(27) = -1 EBADF (Bad file descriptor) [pid 4225] close(28) = -1 EBADF (Bad file descriptor) [pid 4225] close(29) = -1 EBADF (Bad file descriptor) [pid 4225] exit_group(0 [pid 3613] fstat(3, [pid 4225] <... exit_group resumed>) = ? [pid 4225] +++ exited with 0 +++ [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] lstat("./75/binderfs", [pid 3618] <... openat resumed>) = 3 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] fstat(3, [pid 3613] unlink("./75/binderfs" [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, [pid 3613] <... unlink resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./86/binderfs", [pid 3613] lstat("./75/cgroup", [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./86/binderfs" [pid 3613] unlink("./75/cgroup" [pid 3618] <... unlink resumed>) = 0 [pid 3618] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... unlink resumed>) = 0 [pid 4222] <... sendmsg resumed>) = 106496 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4222] close(3 [pid 3618] lstat("./86/cgroup", [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./86/cgroup" [pid 3613] lstat("./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3613] unlink("./75/cgroup.net" [pid 3618] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... unlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] lstat("./86/cgroup.net", [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] lstat("./75/cgroup.cpu", [pid 3618] unlink("./86/cgroup.net" [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3613] unlink("./75/cgroup.cpu" [pid 3618] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] <... unlink resumed>) = 0 [pid 3618] lstat("./86/cgroup.cpu", [pid 3613] getdents64(3, [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] unlink("./86/cgroup.cpu" [pid 3613] close(3 [pid 3618] <... unlink resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3618] getdents64(3, [pid 3613] rmdir("./75" [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] <... rmdir resumed>) = 0 [pid 3618] close(3 [pid 3613] mkdir("./76", 0777 [pid 3618] <... close resumed>) = 0 [pid 3618] rmdir("./86" [pid 3613] <... mkdir resumed>) = 0 [pid 3618] <... rmdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] mkdir("./87", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4230 attached [pid 4230] chdir("./87" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 89 ./strace-static-x86_64: Process 4229 attached [pid 4230] <... chdir resumed>) = 0 [pid 4230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4229] chdir("./76" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 78 [pid 4230] <... prctl resumed>) = 0 [pid 4229] <... chdir resumed>) = 0 [pid 4230] setpgid(0, 0 [pid 4229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4230] <... setpgid resumed>) = 0 [pid 4229] <... prctl resumed>) = 0 [pid 4230] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4229] setpgid(0, 0 [pid 4230] <... symlink resumed>) = 0 [pid 4229] <... setpgid resumed>) = 0 [pid 4230] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4229] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4230] <... symlink resumed>) = 0 [pid 4229] <... symlink resumed>) = 0 [pid 4230] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4229] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4230] <... symlink resumed>) = 0 [pid 4229] <... symlink resumed>) = 0 [pid 4230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4229] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4230] <... openat resumed>) = 3 [pid 4229] <... symlink resumed>) = 0 [pid 4230] write(3, "1000", 4 [pid 4229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4230] <... write resumed>) = 4 [pid 4229] <... openat resumed>) = 3 [pid 4230] close(3 [pid 4229] write(3, "1000", 4 [pid 4230] <... close resumed>) = 0 [pid 4229] <... write resumed>) = 4 [pid 4230] symlink("/dev/binderfs", "./binderfs" [pid 4229] close(3 [pid 4230] <... symlink resumed>) = 0 [pid 4229] <... close resumed>) = 0 [pid 4230] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4229] symlink("/dev/binderfs", "./binderfs" [pid 4230] <... socket resumed>) = 3 [pid 4229] <... symlink resumed>) = 0 [pid 4230] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4229] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4230] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4229] <... socket resumed>) = 3 [pid 4230] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4229] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4230] <... bind resumed>) = 0 [pid 4230] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4229] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4229] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4227] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4229] <... bind resumed>) = 0 [pid 4227] close(3 [ 248.435148][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806087a000: rx timeout, send abort [ 248.443604][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806ddc1800: rx timeout, send abort [pid 4229] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4227] <... close resumed>) = 0 [pid 4226] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4226] close(3 [pid 4227] close(4) = -1 EBADF (Bad file descriptor) [pid 4227] close(5) = -1 EBADF (Bad file descriptor) [pid 4227] close(6) = -1 EBADF (Bad file descriptor) [ 248.485228][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806087a000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 248.499851][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806ddc1800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 248.514539][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b5f8800: rx timeout, send abort [ 248.522919][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880703c3800: rx timeout, send abort [pid 4227] close(7) = -1 EBADF (Bad file descriptor) [pid 4227] close(8 [pid 4226] <... close resumed>) = 0 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(4 [pid 4227] close(9 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(5 [pid 4227] close(10 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(6) = -1 EBADF (Bad file descriptor) [pid 4227] close(11 [pid 4226] close(7 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] close(12 [pid 4226] close(8 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] close(13) = -1 EBADF (Bad file descriptor) [pid 4226] close(9 [pid 4227] close(14 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(10 [pid 4227] close(15 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(11 [pid 4227] close(16 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(12 [pid 4227] close(17 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(13 [pid 4227] close(18 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(14 [pid 4227] close(19 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 248.542922][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806b5f8800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 248.557463][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880703c3800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(15 [pid 4227] close(20 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(16 [pid 4227] close(21 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(17 [pid 4227] close(22 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(18 [pid 4227] close(23 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(19) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(20 [pid 4227] close(24 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(21 [pid 4227] close(25 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(22 [pid 4227] close(26 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(23 [pid 4227] close(27 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(24 [pid 4227] close(28 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] close(29 [pid 4226] close(25 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] exit_group(0 [pid 4226] close(26) = -1 EBADF (Bad file descriptor) [pid 4227] <... exit_group resumed>) = ? [pid 4226] close(27 [pid 4227] +++ exited with 0 +++ [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4226] close(28 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] close(29 [pid 3619] <... restart_syscall resumed>) = 0 [pid 4226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4226] exit_group(0) = ? [pid 4226] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3619] getdents64(3, [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] getdents64(3, [pid 3619] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./84/binderfs", [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] unlink("./84/binderfs" [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... unlink resumed>) = 0 [pid 3620] lstat("./82/binderfs", [pid 3619] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./84/cgroup", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./82/binderfs" [pid 3619] unlink("./84/cgroup" [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3620] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./82/cgroup", [pid 3619] lstat("./84/cgroup.net", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./82/cgroup" [pid 3619] unlink("./84/cgroup.net" [pid 3620] <... unlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./84/cgroup.cpu", [pid 3620] lstat("./82/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./84/cgroup.cpu" [pid 3620] unlink("./82/cgroup.net" [pid 3619] <... unlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3620] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] close(3 [pid 3620] lstat("./82/cgroup.cpu", [pid 3619] <... close resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] rmdir("./84" [pid 3620] unlink("./82/cgroup.cpu" [pid 3619] <... rmdir resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3619] mkdir("./85", 0777 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 3620] close(3 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4231 attached [pid 3620] <... close resumed>) = 0 [pid 4231] chdir("./85") = 0 [pid 4231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4231] setpgid(0, 0) = 0 [pid 4231] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3620] rmdir("./82" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 87 [pid 4231] <... symlink resumed>) = 0 [pid 4231] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4231] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] <... rmdir resumed>) = 0 [pid 4231] write(3, "1000", 4 [pid 3620] mkdir("./83", 0777 [pid 4231] <... write resumed>) = 4 [pid 4231] close(3) = 0 [pid 4231] symlink("/dev/binderfs", "./binderfs" [pid 3620] <... mkdir resumed>) = 0 [pid 4231] <... symlink resumed>) = 0 [pid 4231] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4231] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4231] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 ./strace-static-x86_64: Process 4232 attached [pid 4232] chdir("./83") = 0 [pid 4232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4232] setpgid(0, 0) = 0 [pid 4232] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 85 [pid 4232] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4231] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4232] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4232] write(3, "1000", 4) = 4 [pid 4232] close(3) = 0 [pid 4232] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4232] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4232] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4232] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4232] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4230] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 249.265967][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888070079800: rx timeout, send abort [ 249.274427][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888070079000: rx timeout, send abort [pid 4230] close(3) = 0 [pid 4230] close(4) = -1 EBADF (Bad file descriptor) [pid 4230] close(5) = -1 EBADF (Bad file descriptor) [pid 4230] close(6) = -1 EBADF (Bad file descriptor) [ 249.354093][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888070079800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 249.368665][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888070079000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4230] close(7) = -1 EBADF (Bad file descriptor) [pid 4230] close(8) = -1 EBADF (Bad file descriptor) [pid 4230] close(9) = -1 EBADF (Bad file descriptor) [pid 4230] close(10) = -1 EBADF (Bad file descriptor) [pid 4230] close(11) = -1 EBADF (Bad file descriptor) [pid 4230] close(12) = -1 EBADF (Bad file descriptor) [pid 4230] close(13) = -1 EBADF (Bad file descriptor) [pid 4230] close(14) = -1 EBADF (Bad file descriptor) [pid 4230] close(15) = -1 EBADF (Bad file descriptor) [pid 4230] close(16) = -1 EBADF (Bad file descriptor) [pid 4230] close(17) = -1 EBADF (Bad file descriptor) [pid 4230] close(18) = -1 EBADF (Bad file descriptor) [pid 4230] close(19) = -1 EBADF (Bad file descriptor) [pid 4230] close(20) = -1 EBADF (Bad file descriptor) [pid 4230] close(21) = -1 EBADF (Bad file descriptor) [pid 4230] close(22) = -1 EBADF (Bad file descriptor) [pid 4230] close(23) = -1 EBADF (Bad file descriptor) [pid 4230] close(24) = -1 EBADF (Bad file descriptor) [pid 4230] close(25) = -1 EBADF (Bad file descriptor) [pid 4230] close(26) = -1 EBADF (Bad file descriptor) [pid 4230] close(27) = -1 EBADF (Bad file descriptor) [pid 4230] close(28) = -1 EBADF (Bad file descriptor) [pid 4230] close(29) = -1 EBADF (Bad file descriptor) [pid 4230] exit_group(0) = ? [pid 4230] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./87/binderfs") = 0 [pid 3618] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./87/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./87/cgroup") = 0 [pid 3618] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./87/cgroup.net") = 0 [pid 3618] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./87/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./87") = 0 [pid 3618] mkdir("./88", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4233 attached [pid 4233] chdir("./88") = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 90 [pid 4233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4233] setpgid(0, 0) = 0 [pid 4233] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4233] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4233] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4233] write(3, "1000", 4) = 4 [pid 4233] close(3) = 0 [pid 4233] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4233] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4233] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4233] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4233] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4228] <... sendmsg resumed>) = 106496 [pid 4228] close(3 [pid 4233] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 250.622868][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806bed6000: rx timeout, send abort [ 250.631320][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88805f8c2800: rx timeout, send abort [ 250.707838][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880672bf400: rx timeout, send abort [ 250.716279][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880665d2c00: rx timeout, send abort [ 250.727710][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806bed6000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 250.742287][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88805f8c2800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4233] close(3) = 0 [pid 4229] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4233] close(4 [pid 4229] close(3) = 0 [pid 4229] close(4) = -1 EBADF (Bad file descriptor) [pid 4229] close(5) = -1 EBADF (Bad file descriptor) [pid 4229] close(6) = -1 EBADF (Bad file descriptor) [pid 4229] close(7) = -1 EBADF (Bad file descriptor) [pid 4229] close(8) = -1 EBADF (Bad file descriptor) [pid 4229] close(9) = -1 EBADF (Bad file descriptor) [pid 4229] close(10) = -1 EBADF (Bad file descriptor) [pid 4229] close(11) = -1 EBADF (Bad file descriptor) [pid 4229] close(12) = -1 EBADF (Bad file descriptor) [pid 4229] close(13) = -1 EBADF (Bad file descriptor) [pid 4229] close(14) = -1 EBADF (Bad file descriptor) [pid 4229] close(15) = -1 EBADF (Bad file descriptor) [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(16 [pid 4233] close(5) = -1 EBADF (Bad file descriptor) [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4233] close(6 [ 250.756958][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880672bf400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 250.771452][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880665d2c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4229] close(17 [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4233] close(7) = -1 EBADF (Bad file descriptor) [pid 4229] close(18 [pid 4233] close(8 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(19 [pid 4233] close(9 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(20 [pid 4233] close(10 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(21 [pid 4233] close(11 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(22 [pid 4233] close(12 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(23 [pid 4233] close(13 [pid 4229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(24) = -1 EBADF (Bad file descriptor) [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4229] close(25) = -1 EBADF (Bad file descriptor) [pid 4229] close(26) = -1 EBADF (Bad file descriptor) [pid 4229] close(27) = -1 EBADF (Bad file descriptor) [pid 4229] close(28) = -1 EBADF (Bad file descriptor) [pid 4229] close(29) = -1 EBADF (Bad file descriptor) [pid 4229] exit_group(0) = ? [pid 4229] +++ exited with 0 +++ [pid 4233] close(14) = -1 EBADF (Bad file descriptor) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4233] close(15) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4233] close(16 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... openat resumed>) = 3 [pid 4233] close(17) = -1 EBADF (Bad file descriptor) [pid 4233] close(18) = -1 EBADF (Bad file descriptor) [pid 4233] close(19) = -1 EBADF (Bad file descriptor) [pid 4233] close(20) = -1 EBADF (Bad file descriptor) [pid 4233] close(21) = -1 EBADF (Bad file descriptor) [pid 4233] close(22) = -1 EBADF (Bad file descriptor) [pid 4233] close(23) = -1 EBADF (Bad file descriptor) [pid 3613] fstat(3, [pid 4233] close(24) = -1 EBADF (Bad file descriptor) [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4233] close(25) = -1 EBADF (Bad file descriptor) [pid 4233] close(26) = -1 EBADF (Bad file descriptor) [pid 4233] close(27) = -1 EBADF (Bad file descriptor) [pid 4233] close(28) = -1 EBADF (Bad file descriptor) [pid 4233] close(29) = -1 EBADF (Bad file descriptor) [pid 4233] exit_group(0) = ? [pid 4233] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./76/binderfs", [pid 3618] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] unlink("./76/binderfs" [pid 3618] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3613] <... unlink resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3613] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] fstat(3, [pid 3613] lstat("./76/cgroup", [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] getdents64(3, [pid 3613] unlink("./76/cgroup") = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./76/cgroup.net", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] lstat("./88/binderfs", [pid 3613] unlink("./76/cgroup.net" [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3618] unlink("./88/binderfs" [pid 3613] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... unlink resumed>) = 0 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] lstat("./76/cgroup.cpu", [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] lstat("./88/cgroup", [pid 3613] unlink("./76/cgroup.cpu" [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3618] unlink("./88/cgroup" [pid 3613] getdents64(3, [pid 3618] <... unlink resumed>) = 0 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] close(3 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./88/cgroup.net", [pid 3613] <... close resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] rmdir("./76" [pid 3618] unlink("./88/cgroup.net" [pid 3613] <... rmdir resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 3613] mkdir("./77", 0777 [pid 3618] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3613] <... mkdir resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] lstat("./88/cgroup.cpu", ./strace-static-x86_64: Process 4234 attached [pid 4234] chdir("./77" [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4234] <... chdir resumed>) = 0 [pid 4234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4234] setpgid(0, 0) = 0 [pid 4234] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3618] unlink("./88/cgroup.cpu" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 79 [pid 4234] <... symlink resumed>) = 0 [pid 4234] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4234] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4234] write(3, "1000", 4) = 4 [pid 4234] close(3) = 0 [pid 4234] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4234] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4234] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4234] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4234] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] <... unlink resumed>) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./88") = 0 [pid 3618] mkdir("./89", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4235 attached [pid 4235] chdir("./89") = 0 [pid 4235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4235] setpgid(0, 0) = 0 [pid 4235] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4235] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4235] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4235] write(3, "1000", 4) = 4 [pid 4235] close(3) = 0 [pid 4235] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4235] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4235] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4235] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4235] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 91 [pid 3616] kill(-83, SIGKILL) = 0 [pid 3616] kill(83, SIGKILL) = 0 [pid 4222] <... close resumed>) = ? [pid 4222] +++ killed by SIGKILL +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=83, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1} --- [pid 3616] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./81/binderfs") = 0 [pid 3616] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./81/cgroup") = 0 [pid 3616] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./81/cgroup.net") = 0 [pid 3616] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./81/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./81") = 0 [pid 3616] mkdir("./82", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4236 attached [pid 4236] chdir("./82") = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 84 [pid 4236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4236] setpgid(0, 0) = 0 [pid 4236] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4236] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4236] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4236] write(3, "1000", 4) = 4 [pid 4236] close(3) = 0 [pid 4236] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4236] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4236] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4236] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4236] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4234] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 251.995615][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888076760400: rx timeout, send abort [ 252.004041][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e202400: rx timeout, send abort [ 252.022563][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076760400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4234] close(3 [pid 4231] <... sendmsg resumed>) = 106496 [pid 4234] <... close resumed>) = 0 [pid 4231] close(3 [pid 4234] close(4) = -1 EBADF (Bad file descriptor) [pid 4234] close(5) = -1 EBADF (Bad file descriptor) [pid 4234] close(6) = -1 EBADF (Bad file descriptor) [pid 4234] close(7) = -1 EBADF (Bad file descriptor) [pid 4234] close(8) = -1 EBADF (Bad file descriptor) [pid 4234] close(9) = -1 EBADF (Bad file descriptor) [pid 4234] close(10) = -1 EBADF (Bad file descriptor) [pid 4234] close(11) = -1 EBADF (Bad file descriptor) [pid 4234] close(12) = -1 EBADF (Bad file descriptor) [pid 4234] close(13) = -1 EBADF (Bad file descriptor) [pid 4234] close(14) = -1 EBADF (Bad file descriptor) [pid 4234] close(15) = -1 EBADF (Bad file descriptor) [pid 4234] close(16) = -1 EBADF (Bad file descriptor) [pid 4234] close(17) = -1 EBADF (Bad file descriptor) [pid 4234] close(18) = -1 EBADF (Bad file descriptor) [pid 4234] close(19) = -1 EBADF (Bad file descriptor) [pid 4234] close(20) = -1 EBADF (Bad file descriptor) [pid 4234] close(21) = -1 EBADF (Bad file descriptor) [pid 4234] close(22) = -1 EBADF (Bad file descriptor) [pid 4234] close(23) = -1 EBADF (Bad file descriptor) [pid 4234] close(24) = -1 EBADF (Bad file descriptor) [pid 4234] close(25) = -1 EBADF (Bad file descriptor) [pid 4234] close(26) = -1 EBADF (Bad file descriptor) [pid 4234] close(27) = -1 EBADF (Bad file descriptor) [pid 4234] close(28) = -1 EBADF (Bad file descriptor) [pid 4234] close(29) = -1 EBADF (Bad file descriptor) [pid 4234] exit_group(0) = ? [pid 4234] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 252.037191][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e202400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./77/binderfs") = 0 [pid 3613] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4232] <... sendmsg resumed>) = 106496 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4232] close(3 [pid 3613] lstat("./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./77/cgroup") = 0 [pid 3613] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./77/cgroup.net") = 0 [pid 3613] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./77/cgroup.cpu") = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./77") = 0 [ 252.151723][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069daf800: rx timeout, send abort [ 252.165837][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d1f6400: rx timeout, send abort [ 252.174261][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d1f5c00: rx timeout, send abort [pid 3613] mkdir("./78", 0777) = 0 [pid 4236] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4236] close(3) = 0 [pid 4236] close(4) = -1 EBADF (Bad file descriptor) [pid 4236] close(5) = -1 EBADF (Bad file descriptor) [pid 4236] close(6) = -1 EBADF (Bad file descriptor) [pid 4236] close(7) = -1 EBADF (Bad file descriptor) [pid 4236] close(8) = -1 EBADF (Bad file descriptor) [pid 4236] close(9) = -1 EBADF (Bad file descriptor) [pid 4236] close(10) = -1 EBADF (Bad file descriptor) [pid 4236] close(11) = -1 EBADF (Bad file descriptor) [ 252.210914][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806df66c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 252.225526][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806df65c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 252.240121][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d1f6400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4236] close(12 [pid 4228] <... close resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(4 [pid 4236] close(13 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(5 [pid 4236] close(14 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(6 [pid 4236] close(15 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(7 [pid 4236] close(16 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(8 [pid 4236] close(17 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(9 [pid 4236] close(18 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(10 [pid 4236] close(19 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4237 attached [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(11 [pid 4236] close(20 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(12 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 80 [pid 4237] chdir("./78" [pid 4236] close(21 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(13 [pid 4236] close(22 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(14 [pid 4236] close(23 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(15 [pid 4236] close(24 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(16 [pid 4236] close(25 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(17 [pid 4236] close(26 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(18 [pid 4236] close(27 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(19 [pid 4236] close(28 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(20 [pid 4236] close(29 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(21 [pid 4236] exit_group(0 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... exit_group resumed>) = ? [pid 4228] close(22 [pid 4237] <... chdir resumed>) = 0 [pid 4236] +++ exited with 0 +++ [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(23 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4228] close(24) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4228] close(25 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 252.254625][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d1f5c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4228] close(26 [pid 4237] <... prctl resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] fstat(3, [pid 4228] close(27 [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, [pid 4228] close(28 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4228] close(29 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./82/binderfs", [pid 4228] exit_group(0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4228] <... exit_group resumed>) = ? [pid 3616] unlink("./82/binderfs" [pid 4228] +++ exited with 0 +++ [pid 3616] <... unlink resumed>) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3616] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./82/cgroup", [pid 3617] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] unlink("./82/cgroup" [pid 3617] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3616] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] fstat(3, [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] lstat("./82/cgroup.net", [pid 3617] getdents64(3, [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] unlink("./82/cgroup.net" [pid 3617] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] lstat("./84/binderfs", [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] lstat("./82/cgroup.cpu", [pid 3617] unlink("./84/binderfs" [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] unlink("./82/cgroup.cpu" [pid 3617] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... unlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] getdents64(3, [pid 3617] lstat("./84/cgroup", [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] close(3 [pid 3617] unlink("./84/cgroup" [pid 3616] <... close resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3616] rmdir("./82" [pid 3617] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] <... rmdir resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] mkdir("./83", 0777 [pid 3617] lstat("./84/cgroup.net", [pid 3616] <... mkdir resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4238 attached [pid 3617] unlink("./84/cgroup.net" [pid 4238] chdir("./83" [pid 3617] <... unlink resumed>) = 0 [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 85 [pid 4238] <... chdir resumed>) = 0 [pid 3617] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4238] <... prctl resumed>) = 0 [pid 3617] lstat("./84/cgroup.cpu", [pid 4238] setpgid(0, 0 [pid 4237] setpgid(0, 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4238] <... setpgid resumed>) = 0 [pid 4237] <... setpgid resumed>) = 0 [pid 3617] unlink("./84/cgroup.cpu" [pid 4238] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3617] <... unlink resumed>) = 0 [pid 4238] <... symlink resumed>) = 0 [pid 3617] getdents64(3, [pid 4238] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4238] <... symlink resumed>) = 0 [pid 3617] close(3 [pid 4238] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3617] <... close resumed>) = 0 [pid 4238] <... symlink resumed>) = 0 [pid 3617] rmdir("./84" [pid 4238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] <... rmdir resumed>) = 0 [pid 4238] <... openat resumed>) = 3 [pid 3617] mkdir("./85", 0777 [pid 4238] write(3, "1000", 4 [pid 3617] <... mkdir resumed>) = 0 [pid 4238] <... write resumed>) = 4 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4239 attached [pid 4238] close(3 [pid 4237] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4239] chdir("./85" [pid 4238] <... close resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 87 [pid 4239] <... chdir resumed>) = 0 [pid 4238] symlink("/dev/binderfs", "./binderfs" [pid 4237] <... symlink resumed>) = 0 [pid 4239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4238] <... symlink resumed>) = 0 [pid 4239] <... prctl resumed>) = 0 [pid 4238] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4239] setpgid(0, 0 [pid 4238] <... socket resumed>) = 3 [pid 4237] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4239] <... setpgid resumed>) = 0 [pid 4238] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4239] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4238] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4239] <... symlink resumed>) = 0 [pid 4238] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4239] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4238] <... bind resumed>) = 0 [pid 4239] <... symlink resumed>) = 0 [pid 4238] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4237] <... symlink resumed>) = 0 [pid 4239] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4237] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4239] <... openat resumed>) = 3 [pid 4239] write(3, "1000", 4) = 4 [pid 4239] close(3) = 0 [pid 4239] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4239] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4239] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4237] <... symlink resumed>) = 0 [pid 4239] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4239] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4237] <... openat resumed>) = 3 [pid 4237] write(3, "1000", 4) = 4 [pid 4237] close(3) = 0 [pid 4237] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4237] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4237] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4237] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 252.671169][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069daf800: abort rx timeout. Force session deactivation [pid 4237] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4239] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4239] close(3) = 0 [ 252.720747][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d6aac00: rx timeout, send abort [ 252.731892][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d6aac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 252.746477][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d6b4c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4239] close(4) = -1 EBADF (Bad file descriptor) [pid 4239] close(5) = -1 EBADF (Bad file descriptor) [pid 4239] close(6) = -1 EBADF (Bad file descriptor) [pid 4239] close(7) = -1 EBADF (Bad file descriptor) [pid 4239] close(8) = -1 EBADF (Bad file descriptor) [pid 4239] close(9) = -1 EBADF (Bad file descriptor) [pid 4239] close(10) = -1 EBADF (Bad file descriptor) [pid 4239] close(11) = -1 EBADF (Bad file descriptor) [pid 4239] close(12) = -1 EBADF (Bad file descriptor) [pid 4239] close(13) = -1 EBADF (Bad file descriptor) [pid 4239] close(14) = -1 EBADF (Bad file descriptor) [pid 4239] close(15) = -1 EBADF (Bad file descriptor) [pid 4239] close(16) = -1 EBADF (Bad file descriptor) [pid 4239] close(17) = -1 EBADF (Bad file descriptor) [pid 4239] close(18) = -1 EBADF (Bad file descriptor) [pid 4239] close(19) = -1 EBADF (Bad file descriptor) [pid 4239] close(20) = -1 EBADF (Bad file descriptor) [pid 4239] close(21) = -1 EBADF (Bad file descriptor) [pid 4239] close(22) = -1 EBADF (Bad file descriptor) [pid 4239] close(23) = -1 EBADF (Bad file descriptor) [pid 4239] close(24) = -1 EBADF (Bad file descriptor) [pid 4239] close(25) = -1 EBADF (Bad file descriptor) [pid 4239] close(26) = -1 EBADF (Bad file descriptor) [pid 4239] close(27) = -1 EBADF (Bad file descriptor) [pid 4239] close(28) = -1 EBADF (Bad file descriptor) [pid 4239] close(29) = -1 EBADF (Bad file descriptor) [pid 4239] exit_group(0) = ? [pid 4239] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3617] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./85/binderfs") = 0 [pid 3617] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./85/cgroup") = 0 [pid 3617] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./85/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./85/cgroup.net") = 0 [pid 3617] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./85/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./85/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./85") = 0 [pid 3617] mkdir("./86", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4240 attached [pid 4240] chdir("./86" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 88 [pid 4240] <... chdir resumed>) = 0 [pid 4240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4240] setpgid(0, 0) = 0 [pid 4240] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4240] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4240] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4240] write(3, "1000", 4) = 4 [pid 4240] close(3) = 0 [pid 4240] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4240] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4240] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4240] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4240] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4235] <... sendmsg resumed>) = 106496 [pid 4235] close(3 [pid 4238] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 253.329078][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d6ab000: rx timeout, send abort [ 253.337526][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d6b5000: rx timeout, send abort [pid 4238] close(3) = 0 [pid 4238] close(4) = -1 EBADF (Bad file descriptor) [pid 4238] close(5) = -1 EBADF (Bad file descriptor) [pid 4238] close(6) = -1 EBADF (Bad file descriptor) [pid 4238] close(7) = -1 EBADF (Bad file descriptor) [pid 4238] close(8) = -1 EBADF (Bad file descriptor) [pid 4238] close(9) = -1 EBADF (Bad file descriptor) [pid 4238] close(10) = -1 EBADF (Bad file descriptor) [pid 4238] close(11) = -1 EBADF (Bad file descriptor) [pid 4238] close(12) = -1 EBADF (Bad file descriptor) [pid 4238] close(13) = -1 EBADF (Bad file descriptor) [pid 4238] close(14) = -1 EBADF (Bad file descriptor) [pid 4238] close(15) = -1 EBADF (Bad file descriptor) [pid 4238] close(16) = -1 EBADF (Bad file descriptor) [pid 4238] close(17) = -1 EBADF (Bad file descriptor) [pid 4238] close(18) = -1 EBADF (Bad file descriptor) [pid 4238] close(19) = -1 EBADF (Bad file descriptor) [pid 4238] close(20) = -1 EBADF (Bad file descriptor) [pid 4238] close(21) = -1 EBADF (Bad file descriptor) [pid 4238] close(22) = -1 EBADF (Bad file descriptor) [pid 4238] close(23) = -1 EBADF (Bad file descriptor) [pid 4238] close(24) = -1 EBADF (Bad file descriptor) [pid 4238] close(25) = -1 EBADF (Bad file descriptor) [pid 4238] close(26) = -1 EBADF (Bad file descriptor) [ 253.390997][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d6ab000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 253.405769][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d6b5000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4238] close(27) = -1 EBADF (Bad file descriptor) [pid 4238] close(28) = -1 EBADF (Bad file descriptor) [pid 4238] close(29) = -1 EBADF (Bad file descriptor) [pid 4238] exit_group(0) = ? [pid 4238] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./83/binderfs") = 0 [pid 3616] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./83/cgroup") = 0 [pid 3616] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./83/cgroup.net") = 0 [pid 3616] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./83/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./83") = 0 [pid 3616] mkdir("./84", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 86 ./strace-static-x86_64: Process 4241 attached [pid 4241] chdir("./84") = 0 [pid 4241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4241] setpgid(0, 0) = 0 [pid 4241] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4241] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4241] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4241] write(3, "1000", 4) = 4 [pid 4241] close(3) = 0 [pid 4241] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4241] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4241] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4241] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4241] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] kill(-87, SIGKILL [pid 4231] <... close resumed>) = ? [pid 3619] <... kill resumed>) = 0 [pid 4231] +++ killed by SIGKILL +++ [pid 3619] kill(87, SIGKILL) = 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=87, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 3619] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./85/binderfs") = 0 [pid 3619] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./85/cgroup") = 0 [pid 3619] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./85/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./85/cgroup.net") = 0 [pid 3619] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] kill(-85, SIGKILL [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./85/cgroup.cpu", [pid 4232] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./85/cgroup.cpu") = 0 [pid 3619] getdents64(3, [pid 4232] +++ killed by SIGKILL +++ [pid 3620] kill(85, SIGKILL [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] <... kill resumed>) = 0 [pid 3619] close(3 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=85, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3619] <... close resumed>) = 0 [pid 3619] rmdir("./85") = 0 [pid 3620] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] mkdir("./86", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4242 attached [pid 4242] chdir("./86" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 88 [pid 4242] <... chdir resumed>) = 0 [pid 4242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4242] setpgid(0, 0) = 0 [pid 4242] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4242] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3620] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4242] <... symlink resumed>) = 0 [pid 3620] fstat(3, [pid 4242] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, [pid 4242] write(3, "1000", 4 [pid 4240] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4242] <... write resumed>) = 4 [ 253.984672][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888077965000: rx timeout, send abort [ 253.993110][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888074ed4800: rx timeout, send abort [ 254.015533][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077965000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4240] close(3 [pid 3620] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4242] close(3 [pid 4240] <... close resumed>) = 0 [pid 4242] <... close resumed>) = 0 [pid 4240] close(4 [pid 4242] symlink("/dev/binderfs", "./binderfs" [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... symlink resumed>) = 0 [pid 4240] close(5 [pid 4242] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... socket resumed>) = 3 [pid 4240] close(6 [pid 4242] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4240] close(7 [pid 4242] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] close(8 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4242] <... bind resumed>) = 0 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] close(9) = -1 EBADF (Bad file descriptor) [pid 4240] close(10) = -1 EBADF (Bad file descriptor) [pid 4240] close(11) = -1 EBADF (Bad file descriptor) [pid 4240] close(12) = -1 EBADF (Bad file descriptor) [pid 4240] close(13 [pid 3620] lstat("./83/binderfs", [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4242] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4240] close(14 [pid 3620] unlink("./83/binderfs" [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] close(15) = -1 EBADF (Bad file descriptor) [pid 4240] close(16) = -1 EBADF (Bad file descriptor) [pid 4240] close(17) = -1 EBADF (Bad file descriptor) [pid 4240] close(18) = -1 EBADF (Bad file descriptor) [pid 4240] close(19) = -1 EBADF (Bad file descriptor) [pid 4240] close(20) = -1 EBADF (Bad file descriptor) [pid 4240] close(21) = -1 EBADF (Bad file descriptor) [pid 4240] close(22) = -1 EBADF (Bad file descriptor) [pid 4240] close(23) = -1 EBADF (Bad file descriptor) [pid 4240] close(24) = -1 EBADF (Bad file descriptor) [pid 4240] close(25) = -1 EBADF (Bad file descriptor) [pid 4240] close(26) = -1 EBADF (Bad file descriptor) [pid 4240] close(27) = -1 EBADF (Bad file descriptor) [pid 4240] close(28) = -1 EBADF (Bad file descriptor) [pid 4240] close(29) = -1 EBADF (Bad file descriptor) [pid 4240] exit_group(0) = ? [pid 4240] +++ exited with 0 +++ [pid 3620] <... unlink resumed>) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./83/cgroup", [pid 3617] lstat("./86/binderfs", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./83/cgroup" [pid 3617] unlink("./86/binderfs" [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3620] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./83/cgroup.net", [pid 3617] lstat("./86/cgroup", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./83/cgroup.net" [pid 3617] unlink("./86/cgroup" [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3620] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./83/cgroup.cpu", [pid 3617] lstat("./86/cgroup.net", [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./86/cgroup.net") = 0 [pid 3617] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./86/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./86/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./86" [pid 3620] unlink("./83/cgroup.cpu" [pid 3617] <... rmdir resumed>) = 0 [pid 3617] mkdir("./87", 0777 [pid 3620] <... unlink resumed>) = 0 [pid 3617] <... mkdir resumed>) = 0 [pid 3620] getdents64(3, [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4243 attached [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4243] chdir("./87" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 89 [pid 4243] <... chdir resumed>) = 0 [pid 4243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4243] setpgid(0, 0) = 0 [pid 4243] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 3620] close(3 [pid 4243] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3620] <... close resumed>) = 0 [pid 4243] <... symlink resumed>) = 0 [pid 3620] rmdir("./83" [pid 4243] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 3620] <... rmdir resumed>) = 0 [ 254.030126][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074ed4800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] mkdir("./84", 0777 [pid 4243] <... openat resumed>) = 3 [pid 4243] write(3, "1000", 4) = 4 [pid 4243] close(3) = 0 [pid 4243] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3620] <... mkdir resumed>) = 0 [pid 4243] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4243] <... socket resumed>) = 3 [pid 4243] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4243] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24./strace-static-x86_64: Process 4244 attached ) = 0 [pid 4244] chdir("./84" [pid 4243] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 86 [pid 4244] <... chdir resumed>) = 0 [pid 4244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4244] setpgid(0, 0) = 0 [pid 4244] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4244] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4244] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4244] write(3, "1000", 4) = 4 [pid 4244] close(3) = 0 [pid 4244] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4244] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4244] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4244] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4244] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4241] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 254.694852][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880697a6400: rx timeout, send abort [ 254.703490][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880235d4800: rx timeout, send abort [pid 4241] close(3) = 0 [pid 4241] close(4) = -1 EBADF (Bad file descriptor) [pid 4241] close(5) = -1 EBADF (Bad file descriptor) [pid 4241] close(6) = -1 EBADF (Bad file descriptor) [pid 4241] close(7) = -1 EBADF (Bad file descriptor) [pid 4241] close(8) = -1 EBADF (Bad file descriptor) [pid 4241] close(9) = -1 EBADF (Bad file descriptor) [pid 4241] close(10) = -1 EBADF (Bad file descriptor) [ 254.764192][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880697a6400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 254.778763][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880235d4800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4241] close(11) = -1 EBADF (Bad file descriptor) [pid 4241] close(12) = -1 EBADF (Bad file descriptor) [pid 4241] close(13) = -1 EBADF (Bad file descriptor) [pid 4241] close(14) = -1 EBADF (Bad file descriptor) [pid 4241] close(15) = -1 EBADF (Bad file descriptor) [pid 4241] close(16) = -1 EBADF (Bad file descriptor) [pid 4241] close(17) = -1 EBADF (Bad file descriptor) [pid 4241] close(18) = -1 EBADF (Bad file descriptor) [pid 4241] close(19) = -1 EBADF (Bad file descriptor) [pid 4241] close(20) = -1 EBADF (Bad file descriptor) [pid 4241] close(21) = -1 EBADF (Bad file descriptor) [pid 4241] close(22) = -1 EBADF (Bad file descriptor) [pid 4241] close(23) = -1 EBADF (Bad file descriptor) [pid 4241] close(24) = -1 EBADF (Bad file descriptor) [pid 4241] close(25) = -1 EBADF (Bad file descriptor) [pid 4241] close(26) = -1 EBADF (Bad file descriptor) [pid 4241] close(27) = -1 EBADF (Bad file descriptor) [pid 4241] close(28) = -1 EBADF (Bad file descriptor) [pid 4241] close(29) = -1 EBADF (Bad file descriptor) [pid 4241] exit_group(0) = ? [pid 4241] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./84/binderfs") = 0 [pid 3616] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./84/cgroup") = 0 [pid 3616] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./84/cgroup.net") = 0 [pid 3616] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./84/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./84/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./84") = 0 [pid 3616] mkdir("./85", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4245 attached [pid 4245] chdir("./85" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 87 [pid 4245] <... chdir resumed>) = 0 [pid 4245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4245] setpgid(0, 0) = 0 [pid 4245] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4245] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4245] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4245] write(3, "1000", 4) = 4 [pid 4245] close(3) = 0 [pid 4245] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4245] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4245] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4245] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4245] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4243] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 254.974946][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806f81b400: rx timeout, send abort [ 254.983402][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88807b6de800: rx timeout, send abort [pid 4243] close(3) = 0 [pid 4243] close(4) = -1 EBADF (Bad file descriptor) [ 255.038692][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f81b400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 255.053254][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b6de800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4243] close(5) = -1 EBADF (Bad file descriptor) [ 255.093325][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806388c000: rx timeout, send abort [ 255.108303][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b321400: rx timeout, send abort [pid 4243] close(6) = -1 EBADF (Bad file descriptor) [pid 4243] close(7) = -1 EBADF (Bad file descriptor) [pid 4243] close(8) = -1 EBADF (Bad file descriptor) [pid 4243] close(9) = -1 EBADF (Bad file descriptor) [pid 4243] close(10) = -1 EBADF (Bad file descriptor) [pid 4243] close(11) = -1 EBADF (Bad file descriptor) [pid 4243] close(12) = -1 EBADF (Bad file descriptor) [pid 4243] close(13) = -1 EBADF (Bad file descriptor) [pid 4243] close(14) = -1 EBADF (Bad file descriptor) [pid 4243] close(15) = -1 EBADF (Bad file descriptor) [pid 4243] close(16) = -1 EBADF (Bad file descriptor) [pid 4243] close(17) = -1 EBADF (Bad file descriptor) [pid 4243] close(18) = -1 EBADF (Bad file descriptor) [pid 4244] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4244] close(3) = 0 [pid 4244] close(4) = -1 EBADF (Bad file descriptor) [pid 4244] close(5) = -1 EBADF (Bad file descriptor) [pid 4244] close(6) = -1 EBADF (Bad file descriptor) [pid 4244] close(7) = -1 EBADF (Bad file descriptor) [pid 4244] close(8) = -1 EBADF (Bad file descriptor) [pid 4244] close(9) = -1 EBADF (Bad file descriptor) [pid 4244] close(10) = -1 EBADF (Bad file descriptor) [pid 4244] close(11) = -1 EBADF (Bad file descriptor) [pid 4244] close(12) = -1 EBADF (Bad file descriptor) [pid 4244] close(13) = -1 EBADF (Bad file descriptor) [ 255.155502][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b6df400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 255.169966][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888061a0b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 255.184527][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f81b000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4244] close(14) = -1 EBADF (Bad file descriptor) [pid 4244] close(15) = -1 EBADF (Bad file descriptor) [pid 4244] close(16 [pid 4243] close(19 [pid 4242] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(17) = -1 EBADF (Bad file descriptor) [pid 4244] close(18 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] close(3 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(20 [pid 4242] <... close resumed>) = 0 [pid 4244] close(19) = -1 EBADF (Bad file descriptor) [pid 4244] close(20) = -1 EBADF (Bad file descriptor) [pid 4244] close(21) = -1 EBADF (Bad file descriptor) [pid 4244] close(22) = -1 EBADF (Bad file descriptor) [pid 4244] close(23 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] close(4 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(24 [pid 4243] close(21 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(25) = -1 EBADF (Bad file descriptor) [pid 4244] close(26) = -1 EBADF (Bad file descriptor) [pid 4244] close(27) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] close(5 [pid 4244] close(28) = -1 EBADF (Bad file descriptor) [pid 4243] close(22 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(29) = -1 EBADF (Bad file descriptor) [pid 4244] exit_group(0) = ? [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] +++ exited with 0 +++ [pid 4243] close(23 [pid 4242] close(6 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4243] close(24 [pid 4242] close(7 [pid 3620] <... openat resumed>) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [ 255.198961][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b6de400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./84/binderfs", [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4243] close(25 [pid 4242] close(8 [pid 3620] unlink("./84/binderfs") = 0 [pid 3620] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./84/cgroup" [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./84/cgroup.net", [pid 4235] <... close resumed>) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4243] close(26 [pid 4242] close(9 [pid 4235] close(4 [pid 3620] unlink("./84/cgroup.net" [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4235] close(5 [pid 3620] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4235] close(6 [pid 3620] lstat("./84/cgroup.cpu", [pid 4243] close(27 [pid 4242] close(10 [pid 4237] <... sendmsg resumed>) = 106496 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4235] close(7 [pid 3620] unlink("./84/cgroup.cpu" [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... unlink resumed>) = 0 [pid 4235] close(8 [pid 3620] getdents64(3, [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4235] close(9 [pid 3620] close(3 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... close resumed>) = 0 [pid 4235] close(10 [pid 3620] rmdir("./84" [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... rmdir resumed>) = 0 [pid 4235] close(11 [pid 3620] mkdir("./85", 0777 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] <... mkdir resumed>) = 0 [pid 4235] close(12 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4246 attached [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4237] close(3 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] chdir("./85" [pid 4243] close(28 [pid 4242] close(11 [pid 4235] close(13 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 87 [pid 4246] <... chdir resumed>) = 0 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4235] close(14 [pid 4246] <... prctl resumed>) = 0 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] setpgid(0, 0 [pid 4235] close(15 [pid 4246] <... setpgid resumed>) = 0 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4235] close(16 [pid 4246] <... symlink resumed>) = 0 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4235] close(17 [pid 4246] <... symlink resumed>) = 0 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4235] close(18 [pid 4246] <... symlink resumed>) = 0 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4235] close(19 [pid 4246] <... openat resumed>) = 3 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] write(3, "1000", 4 [pid 4243] close(29 [pid 4242] close(12 [pid 4235] close(20 [pid 4246] <... write resumed>) = 4 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(3 [pid 4243] exit_group(0 [pid 4242] close(13 [pid 4235] close(21 [pid 4246] <... close resumed>) = 0 [pid 4243] <... exit_group resumed>) = ? [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] symlink("/dev/binderfs", "./binderfs" [pid 4235] close(22 [pid 4246] <... symlink resumed>) = 0 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4243] +++ exited with 0 +++ [pid 4242] close(14 [pid 4235] close(23 [pid 4246] <... socket resumed>) = 3 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4235] close(24 [pid 4242] close(15 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4246] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4242] close(16 [pid 4235] close(25 [pid 4246] <... bind resumed>) = 0 [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4235] close(26 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4235] close(27) = -1 EBADF (Bad file descriptor) [pid 4235] close(28) = -1 EBADF (Bad file descriptor) [pid 4235] close(29) = -1 EBADF (Bad file descriptor) [pid 4242] close(17 [pid 4235] exit_group(0) = ? [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4235] +++ exited with 0 +++ [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4242] close(18 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] close(19 [pid 3617] <... openat resumed>) = 3 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] close(20 [pid 3617] fstat(3, [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] close(21 [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4242] close(22 [pid 3618] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] getdents64(3, [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4242] close(23 [pid 3618] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... openat resumed>) = 3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4242] close(24 [pid 3618] fstat(3, [pid 3617] lstat("./87/binderfs", [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4242] close(25 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] getdents64(3, [pid 3617] unlink("./87/binderfs" [pid 4242] close(26 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... unlink resumed>) = 0 [pid 4242] close(27 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] lstat("./89/binderfs", [pid 4242] close(28 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4242] close(29 [pid 3618] unlink("./89/binderfs" [pid 3617] lstat("./87/cgroup", [pid 4242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3618] <... unlink resumed>) = 0 [pid 4242] exit_group(0) = ? [pid 3618] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4242] +++ exited with 0 +++ [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] unlink("./87/cgroup" [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] lstat("./89/cgroup", [pid 3617] <... unlink resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] lstat("./87/cgroup.net", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] unlink("./89/cgroup" [pid 3619] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3618] <... unlink resumed>) = 0 [pid 3617] unlink("./87/cgroup.net" [pid 3619] fstat(3, [pid 3618] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3619] getdents64(3, [pid 3618] lstat("./89/cgroup.net", [pid 3617] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] unlink("./89/cgroup.net" [pid 3617] lstat("./87/cgroup.cpu", [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... unlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] lstat("./86/binderfs", [pid 3618] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] unlink("./87/cgroup.cpu" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3619] unlink("./86/binderfs" [pid 3618] lstat("./89/cgroup.cpu", [pid 3617] getdents64(3, [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] unlink("./89/cgroup.cpu" [pid 3617] close(3 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... unlink resumed>) = 0 [pid 3617] <... close resumed>) = 0 [pid 3619] lstat("./86/cgroup", [pid 3618] getdents64(3, [pid 3617] rmdir("./87" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] <... rmdir resumed>) = 0 [pid 3619] unlink("./86/cgroup" [pid 3618] close(3 [pid 3617] mkdir("./88", 0777 [pid 3619] <... unlink resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3617] <... mkdir resumed>) = 0 [pid 3619] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] rmdir("./89" [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4247 attached [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] <... rmdir resumed>) = 0 [pid 4247] chdir("./88" [pid 3619] lstat("./86/cgroup.net", [pid 3618] mkdir("./90", 0777 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 90 [pid 4247] <... chdir resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] <... mkdir resumed>) = 0 [pid 4247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] unlink("./86/cgroup.net" [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4247] <... prctl resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4247] setpgid(0, 0 [pid 3619] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 92 [pid 4247] <... setpgid resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4247] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3619] lstat("./86/cgroup.cpu", [pid 4247] <... symlink resumed>) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4247] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3619] unlink("./86/cgroup.cpu" [pid 4247] <... symlink resumed>) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 4247] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3619] getdents64(3, ./strace-static-x86_64: Process 4248 attached [pid 4247] <... symlink resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3619] close(3 [pid 4248] chdir("./90" [pid 4247] <... openat resumed>) = 3 [pid 3619] <... close resumed>) = 0 [pid 4247] write(3, "1000", 4 [pid 3619] rmdir("./86" [pid 4247] <... write resumed>) = 4 [pid 3619] <... rmdir resumed>) = 0 [pid 4247] close(3 [pid 3619] mkdir("./87", 0777 [pid 4247] <... close resumed>) = 0 [pid 3619] <... mkdir resumed>) = 0 [pid 4247] symlink("/dev/binderfs", "./binderfs" [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4248] <... chdir resumed>) = 0 [pid 4247] <... symlink resumed>) = 0 [pid 4247] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 89 [pid 4247] <... socket resumed>) = 3 ./strace-static-x86_64: Process 4249 attached [pid 4247] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4247] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4249] chdir("./87" [pid 4247] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4247] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4248] <... prctl resumed>) = 0 [pid 4248] setpgid(0, 0) = 0 [pid 4248] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4249] <... chdir resumed>) = 0 [pid 4248] <... symlink resumed>) = 0 [pid 4248] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4248] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4249] <... prctl resumed>) = 0 [pid 4248] <... symlink resumed>) = 0 [pid 4249] setpgid(0, 0 [pid 4248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4249] <... setpgid resumed>) = 0 [pid 4248] <... openat resumed>) = 3 [pid 4248] write(3, "1000", 4) = 4 [pid 4248] close(3) = 0 [pid 4248] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4249] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4248] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4249] <... symlink resumed>) = 0 [pid 4248] <... socket resumed>) = 3 [pid 4248] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4248] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4248] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4249] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4249] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4249] write(3, "1000", 4) = 4 [pid 4249] close(3) = 0 [pid 4249] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4249] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4249] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4249] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [ 255.607196][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806388c000: abort rx timeout. Force session deactivation [ 255.630404][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806b321400: abort rx timeout. Force session deactivation [pid 4249] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4245] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 255.831847][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807056f800: rx timeout, send abort [ 255.840263][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88802619e800: rx timeout, send abort [pid 4245] close(3) = 0 [pid 4245] close(4) = -1 EBADF (Bad file descriptor) [pid 4245] close(5) = -1 EBADF (Bad file descriptor) [pid 4245] close(6) = -1 EBADF (Bad file descriptor) [pid 4245] close(7) = -1 EBADF (Bad file descriptor) [pid 4245] close(8) = -1 EBADF (Bad file descriptor) [pid 4245] close(9) = -1 EBADF (Bad file descriptor) [pid 4245] close(10) = -1 EBADF (Bad file descriptor) [pid 4245] close(11) = -1 EBADF (Bad file descriptor) [pid 4245] close(12) = -1 EBADF (Bad file descriptor) [pid 4245] close(13) = -1 EBADF (Bad file descriptor) [pid 4245] close(14) = -1 EBADF (Bad file descriptor) [ 255.886494][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807056f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 255.901107][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88802619e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4245] close(15) = -1 EBADF (Bad file descriptor) [pid 4245] close(16) = -1 EBADF (Bad file descriptor) [pid 4245] close(17) = -1 EBADF (Bad file descriptor) [pid 4245] close(18) = -1 EBADF (Bad file descriptor) [pid 4245] close(19) = -1 EBADF (Bad file descriptor) [pid 4245] close(20) = -1 EBADF (Bad file descriptor) [pid 4245] close(21) = -1 EBADF (Bad file descriptor) [pid 4245] close(22) = -1 EBADF (Bad file descriptor) [pid 4245] close(23) = -1 EBADF (Bad file descriptor) [pid 4245] close(24) = -1 EBADF (Bad file descriptor) [pid 4245] close(25) = -1 EBADF (Bad file descriptor) [pid 4245] close(26) = -1 EBADF (Bad file descriptor) [pid 4245] close(27) = -1 EBADF (Bad file descriptor) [pid 4245] close(28) = -1 EBADF (Bad file descriptor) [pid 4245] close(29) = -1 EBADF (Bad file descriptor) [pid 4245] exit_group(0) = ? [pid 4245] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./85/binderfs") = 0 [pid 3616] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./85/cgroup") = 0 [pid 3616] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./85/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./85/cgroup.net") = 0 [pid 3616] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./85/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./85/cgroup.cpu") = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./85") = 0 [pid 3616] mkdir("./86", 0777) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 88 ./strace-static-x86_64: Process 4250 attached [pid 4250] chdir("./86") = 0 [pid 4250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4250] setpgid(0, 0) = 0 [pid 4250] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4250] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4250] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4250] write(3, "1000", 4) = 4 [pid 4250] close(3) = 0 [pid 4250] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4250] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4250] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4250] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4250] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4247] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 256.436754][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880797d6000: rx timeout, send abort [ 256.445173][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806aea3c00: rx timeout, send abort [ 256.460198][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880797d6000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4249] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4247] close(3 [pid 4249] close(3 [pid 4247] <... close resumed>) = 0 [pid 4247] close(4) = -1 EBADF (Bad file descriptor) [pid 4247] close(5) = -1 EBADF (Bad file descriptor) [pid 4247] close(6) = -1 EBADF (Bad file descriptor) [pid 4247] close(7) = -1 EBADF (Bad file descriptor) [pid 4247] close(8) = -1 EBADF (Bad file descriptor) [pid 4247] close(9) = -1 EBADF (Bad file descriptor) [pid 4247] close(10) = -1 EBADF (Bad file descriptor) [pid 4247] close(11) = -1 EBADF (Bad file descriptor) [pid 4247] close(12) = -1 EBADF (Bad file descriptor) [pid 4247] close(13) = -1 EBADF (Bad file descriptor) [pid 4247] close(14) = -1 EBADF (Bad file descriptor) [pid 4247] close(15) = -1 EBADF (Bad file descriptor) [pid 4247] close(16) = -1 EBADF (Bad file descriptor) [pid 4247] close(17) = -1 EBADF (Bad file descriptor) [pid 4247] close(18) = -1 EBADF (Bad file descriptor) [pid 4247] close(19) = -1 EBADF (Bad file descriptor) [pid 4247] close(20) = -1 EBADF (Bad file descriptor) [pid 4247] close(21) = -1 EBADF (Bad file descriptor) [pid 4247] close(22) = -1 EBADF (Bad file descriptor) [pid 4247] close(23) = -1 EBADF (Bad file descriptor) [pid 4247] close(24) = -1 EBADF (Bad file descriptor) [pid 4247] close(25) = -1 EBADF (Bad file descriptor) [pid 4247] close(26) = -1 EBADF (Bad file descriptor) [pid 4247] close(27) = -1 EBADF (Bad file descriptor) [pid 4247] close(28) = -1 EBADF (Bad file descriptor) [pid 4247] close(29) = -1 EBADF (Bad file descriptor) [pid 4247] exit_group(0) = ? [ 256.474829][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806aea3c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 256.478168][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888024b76800: rx timeout, send abort [ 256.497602][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807a12f800: rx timeout, send abort [pid 4247] +++ exited with 0 +++ [pid 4249] <... close resumed>) = 0 [pid 4249] close(4) = -1 EBADF (Bad file descriptor) [pid 4249] close(5) = -1 EBADF (Bad file descriptor) [pid 4249] close(6) = -1 EBADF (Bad file descriptor) [pid 4249] close(7) = -1 EBADF (Bad file descriptor) [pid 4249] close(8) = -1 EBADF (Bad file descriptor) [pid 4249] close(9) = -1 EBADF (Bad file descriptor) [pid 4249] close(10) = -1 EBADF (Bad file descriptor) [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4249] close(11) = -1 EBADF (Bad file descriptor) [pid 4249] close(12) = -1 EBADF (Bad file descriptor) [pid 4249] close(13) = -1 EBADF (Bad file descriptor) [pid 4249] close(14) = -1 EBADF (Bad file descriptor) [pid 4249] close(15) = -1 EBADF (Bad file descriptor) [pid 4249] close(16) = -1 EBADF (Bad file descriptor) [pid 4249] close(17) = -1 EBADF (Bad file descriptor) [pid 4249] close(18) = -1 EBADF (Bad file descriptor) [pid 4249] close(19) = -1 EBADF (Bad file descriptor) [pid 4249] close(20) = -1 EBADF (Bad file descriptor) [pid 4249] close(21) = -1 EBADF (Bad file descriptor) [pid 4249] close(22) = -1 EBADF (Bad file descriptor) [pid 4249] close(23) = -1 EBADF (Bad file descriptor) [pid 4249] close(24) = -1 EBADF (Bad file descriptor) [pid 4249] close(25) = -1 EBADF (Bad file descriptor) [pid 4249] close(26) = -1 EBADF (Bad file descriptor) [pid 4249] close(27) = -1 EBADF (Bad file descriptor) [pid 4249] close(28) = -1 EBADF (Bad file descriptor) [pid 4249] close(29) = -1 EBADF (Bad file descriptor) [pid 4249] exit_group(0) = ? [pid 4249] +++ exited with 0 +++ [pid 3617] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 256.542047][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888024b76800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 256.556649][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807a12f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] getdents64(3, [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... openat resumed>) = 3 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] fstat(3, [pid 3617] lstat("./88/binderfs", [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] getdents64(3, [pid 3617] unlink("./88/binderfs" [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] <... unlink resumed>) = 0 [pid 3619] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./87/binderfs", [pid 3617] lstat("./88/cgroup", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./87/binderfs" [pid 3617] unlink("./88/cgroup" [pid 3619] <... unlink resumed>) = 0 [pid 3617] <... unlink resumed>) = 0 [pid 3619] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./87/cgroup", [pid 3617] lstat("./88/cgroup.net", [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./87/cgroup" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3617] unlink("./88/cgroup.net" [pid 3619] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... unlink resumed>) = 0 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3619] lstat("./87/cgroup.net", [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] lstat("./88/cgroup.cpu", [pid 3619] unlink("./87/cgroup.net" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3619] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] unlink("./88/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlink resumed>) = 0 [pid 3619] lstat("./87/cgroup.cpu", [pid 3617] getdents64(3, [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./87/cgroup.cpu" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] <... unlink resumed>) = 0 [pid 3617] close(3 [pid 3619] getdents64(3, [pid 3617] <... close resumed>) = 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] rmdir("./88" [pid 3619] close(3 [pid 3617] <... rmdir resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3617] mkdir("./89", 0777 [pid 3619] rmdir("./87") = 0 [pid 3617] <... mkdir resumed>) = 0 [pid 3619] mkdir("./88", 0777 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4251 attached [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 91 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4251] chdir("./89"./strace-static-x86_64: Process 4252 attached ) = 0 [pid 4251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 90 [pid 4252] chdir("./88" [pid 4251] <... prctl resumed>) = 0 [pid 4252] <... chdir resumed>) = 0 [pid 4252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4252] setpgid(0, 0) = 0 [pid 4252] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4252] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4252] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4252] write(3, "1000", 4) = 4 [pid 4252] close(3) = 0 [pid 4252] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4252] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4252] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4252] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4252] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4251] setpgid(0, 0) = 0 [pid 4251] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4251] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4251] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4251] write(3, "1000", 4) = 4 [pid 4251] close(3) = 0 [pid 4251] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4251] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4251] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4251] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4251] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4246] <... sendmsg resumed>) = 106496 [pid 4246] close(3 [pid 4237] <... close resumed>) = 0 [pid 4237] close(4) = -1 EBADF (Bad file descriptor) [pid 4237] close(5) = -1 EBADF (Bad file descriptor) [pid 4237] close(6) = -1 EBADF (Bad file descriptor) [pid 4237] close(7) = -1 EBADF (Bad file descriptor) [pid 4237] close(8) = -1 EBADF (Bad file descriptor) [pid 4237] close(9) = -1 EBADF (Bad file descriptor) [pid 4237] close(10) = -1 EBADF (Bad file descriptor) [pid 4237] close(11) = -1 EBADF (Bad file descriptor) [pid 4237] close(12) = -1 EBADF (Bad file descriptor) [pid 4237] close(13) = -1 EBADF (Bad file descriptor) [pid 4237] close(14) = -1 EBADF (Bad file descriptor) [pid 4237] close(15) = -1 EBADF (Bad file descriptor) [pid 4237] close(16) = -1 EBADF (Bad file descriptor) [pid 4237] close(17) = -1 EBADF (Bad file descriptor) [pid 4237] close(18) = -1 EBADF (Bad file descriptor) [pid 4237] close(19) = -1 EBADF (Bad file descriptor) [pid 4237] close(20) = -1 EBADF (Bad file descriptor) [pid 4237] close(21) = -1 EBADF (Bad file descriptor) [pid 4237] close(22) = -1 EBADF (Bad file descriptor) [pid 4237] close(23) = -1 EBADF (Bad file descriptor) [pid 4237] close(24) = -1 EBADF (Bad file descriptor) [pid 4237] close(25) = -1 EBADF (Bad file descriptor) [pid 4237] close(26) = -1 EBADF (Bad file descriptor) [pid 4237] close(27) = -1 EBADF (Bad file descriptor) [pid 4237] close(28) = -1 EBADF (Bad file descriptor) [pid 4237] close(29) = -1 EBADF (Bad file descriptor) [pid 4237] exit_group(0) = ? [pid 4237] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./78/binderfs") = 0 [pid 3613] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./78/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4250] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3613] unlink("./78/cgroup" [pid 4250] close(3 [pid 3613] <... unlink resumed>) = 0 [pid 4250] <... close resumed>) = 0 [pid 3613] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4250] close(4 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./78/cgroup.net", [pid 4250] close(5 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./78/cgroup.net" [pid 4250] close(6 [pid 3613] <... unlink resumed>) = 0 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4250] close(7 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./78/cgroup.cpu", [pid 4250] close(8 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./78/cgroup.cpu" [pid 4250] close(9 [pid 3613] <... unlink resumed>) = 0 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 4250] close(10 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] close(3 [pid 4250] close(11 [pid 3613] <... close resumed>) = 0 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] rmdir("./78" [pid 4250] close(12 [pid 3613] <... rmdir resumed>) = 0 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 257.209966][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880618c9400: rx timeout, send abort [ 257.218421][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880686ad400: rx timeout, send abort [ 257.228554][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880618c9400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 257.243080][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880686ad400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] mkdir("./79", 0777 [pid 4250] close(13 [pid 3613] <... mkdir resumed>) = 0 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4250] close(14) = -1 EBADF (Bad file descriptor) [pid 4250] close(15 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 81 ./strace-static-x86_64: Process 4253 attached [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4250] close(16) = -1 EBADF (Bad file descriptor) [pid 4250] close(17) = -1 EBADF (Bad file descriptor) [pid 4250] close(18) = -1 EBADF (Bad file descriptor) [pid 4250] close(19) = -1 EBADF (Bad file descriptor) [pid 4250] close(20 [pid 4253] chdir("./79" [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... chdir resumed>) = 0 [pid 4250] close(21 [pid 4253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4253] <... prctl resumed>) = 0 [pid 4250] close(22 [pid 4248] close(3 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... close resumed>) = 0 [pid 4253] setpgid(0, 0 [pid 4250] close(23 [pid 4248] close(4 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] <... setpgid resumed>) = 0 [pid 4250] close(24 [pid 4248] close(5 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4250] close(25 [pid 4248] close(6 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4250] close(26 [pid 4248] close(7 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4250] close(27 [pid 4248] close(8 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4250] close(28 [pid 4248] close(9 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4250] close(29 [pid 4248] close(10 [pid 4250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4250] exit_group(0 [pid 4248] close(11 [pid 4250] <... exit_group resumed>) = ? [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4250] +++ exited with 0 +++ [pid 4248] close(12) = -1 EBADF (Bad file descriptor) [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4248] close(13) = -1 EBADF (Bad file descriptor) [pid 4248] close(14) = -1 EBADF (Bad file descriptor) [ 257.305241][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806675a800: rx timeout, send abort [ 257.313681][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076f2f800: rx timeout, send abort [ 257.322551][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806675a800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 257.337045][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076f2f800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4253] <... symlink resumed>) = 0 [pid 4248] close(15 [pid 4253] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4248] close(16 [pid 3616] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4253] <... symlink resumed>) = 0 [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4253] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4248] close(17 [pid 3616] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... openat resumed>) = 3 [pid 4248] close(18 [pid 3616] fstat(3, [pid 4253] <... symlink resumed>) = 0 [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4248] close(19 [pid 3616] getdents64(3, [pid 4253] <... openat resumed>) = 3 [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4253] write(3, "1000", 4 [pid 4248] close(20 [pid 3616] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4253] <... write resumed>) = 4 [pid 4248] close(21 [pid 3616] lstat("./86/binderfs", [pid 4253] close(3 [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4253] <... close resumed>) = 0 [pid 4248] close(22 [pid 3616] unlink("./86/binderfs" [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 4248] close(23 [pid 3616] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4253] symlink("/dev/binderfs", "./binderfs" [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4248] close(24 [pid 3616] lstat("./86/cgroup", [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4253] <... symlink resumed>) = 0 [pid 4248] close(25 [pid 3616] unlink("./86/cgroup" [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 4253] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4248] close(26 [pid 3616] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4253] <... socket resumed>) = 3 [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4253] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4248] close(27 [pid 3616] lstat("./86/cgroup.net", [pid 4253] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4253] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4248] close(28 [pid 3616] unlink("./86/cgroup.net" [pid 4253] <... bind resumed>) = 0 [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... unlink resumed>) = 0 [pid 4253] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4248] close(29 [pid 3616] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4248] exit_group(0 [pid 3616] lstat("./86/cgroup.cpu", [pid 4248] <... exit_group resumed>) = ? [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4248] +++ exited with 0 +++ [pid 3616] unlink("./86/cgroup.cpu" [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] <... unlink resumed>) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3616] close(3) = 0 [pid 3616] rmdir("./86") = 0 [pid 3618] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] mkdir("./87", 0777 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4254 attached [pid 4254] chdir("./87" [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 89 [pid 4254] <... chdir resumed>) = 0 [pid 4254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4254] setpgid(0, 0) = 0 [pid 4254] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4254] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4254] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4254] write(3, "1000", 4) = 4 [pid 4254] close(3) = 0 [pid 4254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3618] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4254] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3618] <... openat resumed>) = 3 [pid 4254] <... socket resumed>) = 3 [pid 4254] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4254] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4254] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./90/binderfs") = 0 [pid 3618] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./90/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./90/cgroup") = 0 [pid 3618] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./90/cgroup.net") = 0 [pid 3618] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./90/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./90/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./90") = 0 [pid 3618] mkdir("./91", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4255 attached , child_tidptr=0x555556f5d5d0) = 93 [pid 4255] chdir("./91") = 0 [pid 4255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4255] setpgid(0, 0) = 0 [pid 4255] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4255] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4255] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4255] write(3, "1000", 4) = 4 [pid 4255] close(3) = 0 [pid 4255] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4255] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4255] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4255] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4255] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4252] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 257.660909][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807386dc00: rx timeout, send abort [ 257.669358][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880660db400: rx timeout, send abort [ 257.697041][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807386dc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4252] close(3) = 0 [pid 4251] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4251] close(3 [pid 4252] close(4) = -1 EBADF (Bad file descriptor) [pid 4252] close(5) = -1 EBADF (Bad file descriptor) [pid 4252] close(6) = -1 EBADF (Bad file descriptor) [pid 4252] close(7) = -1 EBADF (Bad file descriptor) [pid 4252] close(8) = -1 EBADF (Bad file descriptor) [pid 4252] close(9) = -1 EBADF (Bad file descriptor) [pid 4252] close(10) = -1 EBADF (Bad file descriptor) [pid 4252] close(11) = -1 EBADF (Bad file descriptor) [pid 4252] close(12) = -1 EBADF (Bad file descriptor) [pid 4252] close(13) = -1 EBADF (Bad file descriptor) [ 257.711644][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880660db400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 257.723911][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888063190400: rx timeout, send abort [ 257.734371][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888063190c00: rx timeout, send abort [pid 4252] close(14) = -1 EBADF (Bad file descriptor) [pid 4252] close(15) = -1 EBADF (Bad file descriptor) [pid 4252] close(16) = -1 EBADF (Bad file descriptor) [pid 4252] close(17) = -1 EBADF (Bad file descriptor) [pid 4252] close(18) = -1 EBADF (Bad file descriptor) [pid 4252] close(19) = -1 EBADF (Bad file descriptor) [pid 4252] close(20) = -1 EBADF (Bad file descriptor) [pid 4252] close(21) = -1 EBADF (Bad file descriptor) [pid 4252] close(22 [pid 4251] <... close resumed>) = 0 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(4 [pid 4252] close(23) = -1 EBADF (Bad file descriptor) [pid 4252] close(24) = -1 EBADF (Bad file descriptor) [pid 4252] close(25) = -1 EBADF (Bad file descriptor) [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(26) = -1 EBADF (Bad file descriptor) [pid 4252] close(27) = -1 EBADF (Bad file descriptor) [pid 4252] close(28) = -1 EBADF (Bad file descriptor) [pid 4252] close(29) = -1 EBADF (Bad file descriptor) [pid 4252] exit_group(0) = ? [pid 4252] +++ exited with 0 +++ [pid 4251] close(5) = -1 EBADF (Bad file descriptor) [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 257.803595][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888063190400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 257.818165][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888063190c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4251] close(6) = -1 EBADF (Bad file descriptor) [pid 4251] close(7) = -1 EBADF (Bad file descriptor) [pid 4251] close(8 [pid 3619] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] close(9 [pid 3619] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... openat resumed>) = 3 [pid 4251] close(10 [pid 3619] fstat(3, [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4251] close(11 [pid 3619] getdents64(3, [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4251] close(12 [pid 3619] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] close(13 [pid 3619] lstat("./88/binderfs", [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4251] close(14 [pid 3619] unlink("./88/binderfs" [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4251] close(15 [pid 3619] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] close(16 [pid 3619] lstat("./88/cgroup", [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4251] close(17 [pid 3619] unlink("./88/cgroup" [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... unlink resumed>) = 0 [pid 4251] close(18 [pid 3619] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] close(19 [pid 3619] lstat("./88/cgroup.net", [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4251] close(20 [pid 3619] unlink("./88/cgroup.net" [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(21 [pid 3619] <... unlink resumed>) = 0 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4251] close(22 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(23 [pid 3619] lstat("./88/cgroup.cpu", [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./88/cgroup.cpu" [pid 4251] close(24 [pid 3619] <... unlink resumed>) = 0 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] getdents64(3, [pid 4251] close(25 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] close(3 [pid 4251] close(26) = -1 EBADF (Bad file descriptor) [pid 3619] <... close resumed>) = 0 [pid 4251] close(27 [pid 3619] rmdir("./88" [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... rmdir resumed>) = 0 [pid 4251] close(28 [pid 3619] mkdir("./89", 0777 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(29 [pid 3619] <... mkdir resumed>) = 0 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4256 attached [pid 4251] exit_group(0 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 91 [pid 4256] chdir("./89" [pid 4251] <... exit_group resumed>) = ? [pid 4256] <... chdir resumed>) = 0 [pid 4251] +++ exited with 0 +++ [pid 4256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 4256] setpgid(0, 0) = 0 [pid 3617] <... restart_syscall resumed>) = 0 [pid 3617] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4256] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3617] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4256] <... symlink resumed>) = 0 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./89/binderfs", [pid 4256] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./89/binderfs") = 0 [pid 3617] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./89/cgroup", [pid 4256] <... symlink resumed>) = 0 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./89/cgroup") = 0 [pid 3617] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4256] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./89/cgroup.net") = 0 [pid 3617] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./89/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./89") = 0 [pid 3617] mkdir("./90", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4257 attached [pid 4257] chdir("./90" [pid 4256] <... symlink resumed>) = 0 [pid 4257] <... chdir resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 92 [pid 4257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4257] setpgid(0, 0) = 0 [pid 4257] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4257] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4257] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4257] <... openat resumed>) = 3 [pid 4257] write(3, "1000", 4) = 4 [pid 4257] close(3) = 0 [pid 4257] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4257] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4257] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4256] write(3, "1000", 4 [pid 4257] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4257] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4256] <... write resumed>) = 4 [pid 4256] close(3) = 0 [pid 4256] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4256] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4256] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4256] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4256] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4253] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 258.285971][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806e1fcc00: rx timeout, send abort [ 258.294418][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806f1a0400: rx timeout, send abort [pid 4253] close(3) = 0 [pid 4253] close(4) = -1 EBADF (Bad file descriptor) [pid 4253] close(5) = -1 EBADF (Bad file descriptor) [pid 4253] close(6) = -1 EBADF (Bad file descriptor) [pid 4253] close(7) = -1 EBADF (Bad file descriptor) [pid 4253] close(8) = -1 EBADF (Bad file descriptor) [pid 4253] close(9) = -1 EBADF (Bad file descriptor) [pid 4253] close(10) = -1 EBADF (Bad file descriptor) [pid 4253] close(11) = -1 EBADF (Bad file descriptor) [pid 4253] close(12) = -1 EBADF (Bad file descriptor) [pid 4253] close(13) = -1 EBADF (Bad file descriptor) [pid 4253] close(14) = -1 EBADF (Bad file descriptor) [pid 4253] close(15) = -1 EBADF (Bad file descriptor) [pid 4253] close(16) = -1 EBADF (Bad file descriptor) [pid 4253] close(17) = -1 EBADF (Bad file descriptor) [pid 4253] close(18) = -1 EBADF (Bad file descriptor) [pid 4253] close(19) = -1 EBADF (Bad file descriptor) [pid 4253] close(20) = -1 EBADF (Bad file descriptor) [pid 4253] close(21) = -1 EBADF (Bad file descriptor) [pid 4253] close(22) = -1 EBADF (Bad file descriptor) [pid 4253] close(23) = -1 EBADF (Bad file descriptor) [pid 4253] close(24) = -1 EBADF (Bad file descriptor) [pid 4253] close(25) = -1 EBADF (Bad file descriptor) [pid 4253] close(26) = -1 EBADF (Bad file descriptor) [pid 4253] close(27) = -1 EBADF (Bad file descriptor) [pid 4253] close(28) = -1 EBADF (Bad file descriptor) [pid 4253] close(29) = -1 EBADF (Bad file descriptor) [ 258.362954][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806e1fcc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 258.377557][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806f1a0400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4253] exit_group(0) = ? [pid 4253] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./79/binderfs") = 0 [pid 3613] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./79/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./79/cgroup") = 0 [pid 3613] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4255] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4255] close(3 [pid 3613] lstat("./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 258.555949][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806fb4b800: rx timeout, send abort [ 258.564406][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888073f7e800: rx timeout, send abort [ 258.586975][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806fb4b800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] unlink("./79/cgroup.net") = 0 [pid 4255] <... close resumed>) = 0 [pid 3613] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./79/cgroup.cpu", [pid 4255] close(4 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4255] close(5 [pid 3613] unlink("./79/cgroup.cpu" [pid 4255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4255] close(6) = -1 EBADF (Bad file descriptor) [pid 4255] close(7) = -1 EBADF (Bad file descriptor) [pid 4255] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4255] close(9 [pid 3613] getdents64(3, [pid 4255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4255] close(10 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4255] close(11) = -1 EBADF (Bad file descriptor) [pid 4255] close(12) = -1 EBADF (Bad file descriptor) [pid 4255] close(13) = -1 EBADF (Bad file descriptor) [pid 4255] close(14 [pid 3613] close(3 [pid 4255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4255] close(15) = -1 EBADF (Bad file descriptor) [pid 4255] close(16) = -1 EBADF (Bad file descriptor) [pid 4255] close(17 [pid 3613] <... close resumed>) = 0 [pid 4255] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 258.601537][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073f7e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] rmdir("./79" [pid 4255] close(18) = -1 EBADF (Bad file descriptor) [pid 4255] close(19) = -1 EBADF (Bad file descriptor) [pid 4255] close(20) = -1 EBADF (Bad file descriptor) [pid 4255] close(21 [pid 3613] <... rmdir resumed>) = 0 [pid 4255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4255] close(22) = -1 EBADF (Bad file descriptor) [pid 4255] close(23) = -1 EBADF (Bad file descriptor) [pid 4255] close(24) = -1 EBADF (Bad file descriptor) [pid 4255] close(25) = -1 EBADF (Bad file descriptor) [pid 4255] close(26) = -1 EBADF (Bad file descriptor) [pid 4255] close(27) = -1 EBADF (Bad file descriptor) [pid 4255] close(28 [pid 4254] <... sendmsg resumed>) = 106496 [pid 3613] mkdir("./80", 0777 [pid 4255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4255] close(29) = -1 EBADF (Bad file descriptor) [pid 4254] close(3 [pid 3613] <... mkdir resumed>) = 0 [pid 4255] exit_group(0) = ? [pid 4255] +++ exited with 0 +++ [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 4258 attached [pid 4258] chdir("./80" [pid 3618] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4258] <... chdir resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4258] <... prctl resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 4258] setpgid(0, 0 [pid 3618] fstat(3, [pid 4258] <... setpgid resumed>) = 0 [pid 3618] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4258] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3618] getdents64(3, [pid 4258] <... symlink resumed>) = 0 [pid 3618] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4258] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3618] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4258] <... symlink resumed>) = 0 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4258] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3618] lstat("./91/binderfs", [pid 4258] <... symlink resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 82 [pid 4258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3618] unlink("./91/binderfs" [pid 4258] <... openat resumed>) = 3 [pid 3618] <... unlink resumed>) = 0 [pid 4258] write(3, "1000", 4 [pid 3618] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4258] <... write resumed>) = 4 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4258] close(3 [pid 3618] lstat("./91/cgroup", [pid 4258] <... close resumed>) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4258] symlink("/dev/binderfs", "./binderfs" [pid 3618] unlink("./91/cgroup" [pid 4258] <... symlink resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 4258] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 3618] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4258] <... socket resumed>) = 3 [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4258] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3618] lstat("./91/cgroup.net", [pid 4258] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 3618] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4258] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 3618] unlink("./91/cgroup.net" [pid 4258] <... bind resumed>) = 0 [pid 3618] <... unlink resumed>) = 0 [pid 4258] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./91/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./91") = 0 [pid 3618] mkdir("./92", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4259 attached [pid 4259] chdir("./92") = 0 [pid 4259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 94 [pid 4259] setpgid(0, 0) = 0 [pid 4259] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4259] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4259] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4259] write(3, "1000", 4) = 4 [pid 4259] close(3) = 0 [pid 4259] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4259] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4259] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4259] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4259] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4246] <... close resumed>) = 0 [pid 4246] close(4) = -1 EBADF (Bad file descriptor) [pid 4246] close(5) = -1 EBADF (Bad file descriptor) [pid 4246] close(6) = -1 EBADF (Bad file descriptor) [pid 4246] close(7) = -1 EBADF (Bad file descriptor) [pid 4246] close(8) = -1 EBADF (Bad file descriptor) [pid 4246] close(9) = -1 EBADF (Bad file descriptor) [pid 4246] close(10) = -1 EBADF (Bad file descriptor) [pid 4246] close(11) = -1 EBADF (Bad file descriptor) [pid 4246] close(12) = -1 EBADF (Bad file descriptor) [pid 4246] close(13) = -1 EBADF (Bad file descriptor) [pid 4257] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4246] close(14 [pid 4257] close(3 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] <... close resumed>) = 0 [pid 4246] close(15 [pid 4257] close(4 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] close(16 [pid 4257] close(5 [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(6 [pid 4246] close(17 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(7 [pid 4246] close(18 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(8 [pid 4246] close(19 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(9 [pid 4246] close(20 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(10 [pid 4246] close(21 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(11 [pid 4246] close(22 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(12 [pid 4246] close(23 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(13 [pid 4246] close(24 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(14 [pid 4246] close(25 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(15 [pid 4246] close(26 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(16 [pid 4246] close(27 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(17 [pid 4246] close(28 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(18 [pid 4246] close(29 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(19) = -1 EBADF (Bad file descriptor) [pid 4246] exit_group(0 [pid 4257] close(20 [pid 4246] <... exit_group resumed>) = ? [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4246] +++ exited with 0 +++ [ 259.022603][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807b8c5000: rx timeout, send abort [ 259.031073][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880631de000: rx timeout, send abort [ 259.039753][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807b8c5000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 259.054288][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880631de000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4257] close(21 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4257] close(22) = -1 EBADF (Bad file descriptor) [pid 4257] close(23) = -1 EBADF (Bad file descriptor) [pid 4257] close(24) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4257] close(25 [pid 4256] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4257] close(26 [pid 4256] close(3 [pid 3620] <... openat resumed>) = 3 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] fstat(3, [pid 4257] close(27 [pid 3620] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] getdents64(3, [pid 4257] close(28 [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4257] close(29 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4257] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 259.091973][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88814746e800: rx timeout, send abort [ 259.100384][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888017480400: rx timeout, send abort [ 259.127175][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88814746e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3620] lstat("./85/binderfs", [pid 4257] exit_group(0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4257] <... exit_group resumed>) = ? [pid 3620] unlink("./85/binderfs" [pid 4257] +++ exited with 0 +++ [pid 3620] <... unlink resumed>) = 0 [pid 3620] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] unlink("./85/cgroup" [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... unlink resumed>) = 0 [pid 3617] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3620] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... openat resumed>) = 3 [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] fstat(3, [pid 3620] lstat("./85/cgroup.net", [pid 3617] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] getdents64(3, [pid 3620] unlink("./85/cgroup.net" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4256] <... close resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3617] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4256] close(4 [pid 3620] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./90/binderfs", [pid 3620] lstat("./85/cgroup.cpu", [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./90/binderfs" [pid 3620] unlink("./85/cgroup.cpu" [pid 3617] <... unlink resumed>) = 0 [pid 3620] <... unlink resumed>) = 0 [pid 3617] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3620] getdents64(3, [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] lstat("./90/cgroup", [pid 3620] close(3 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] <... close resumed>) = 0 [pid 3617] unlink("./90/cgroup" [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] rmdir("./85" [pid 3617] <... unlink resumed>) = 0 [pid 4256] close(5 [pid 3620] <... rmdir resumed>) = 0 [pid 3617] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3620] mkdir("./86", 0777 [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3620] <... mkdir resumed>) = 0 [pid 3617] lstat("./90/cgroup.net", [pid 4256] close(6 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 4260 attached [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] unlink("./90/cgroup.net" [pid 4260] chdir("./86" [pid 4256] close(7 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 88 [pid 3617] <... unlink resumed>) = 0 [pid 4260] <... chdir resumed>) = 0 [pid 3617] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4260] <... prctl resumed>) = 0 [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] lstat("./90/cgroup.cpu", [pid 4260] setpgid(0, 0 [pid 4256] close(8 [pid 3617] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4260] <... setpgid resumed>) = 0 [pid 3617] unlink("./90/cgroup.cpu" [pid 4260] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... unlink resumed>) = 0 [pid 4260] <... symlink resumed>) = 0 [pid 3617] getdents64(3, [pid 4260] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 3617] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4260] <... symlink resumed>) = 0 [pid 4256] close(9 [pid 3617] close(3 [pid 4260] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... close resumed>) = 0 [pid 4260] <... symlink resumed>) = 0 [pid 4256] close(10 [pid 3617] rmdir("./90" [pid 4260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3617] <... rmdir resumed>) = 0 [pid 4260] <... openat resumed>) = 3 [pid 4256] close(11 [pid 3617] mkdir("./91", 0777 [pid 4260] write(3, "1000", 4 [pid 3617] <... mkdir resumed>) = 0 [pid 4260] <... write resumed>) = 4 [ 259.141771][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888017480400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4261 attached [pid 4260] close(3 [pid 4261] chdir("./91" [pid 4260] <... close resumed>) = 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 93 [pid 4261] <... chdir resumed>) = 0 [pid 4260] symlink("/dev/binderfs", "./binderfs" [pid 4261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4260] <... symlink resumed>) = 0 [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] <... prctl resumed>) = 0 [pid 4260] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4256] close(12 [pid 4261] setpgid(0, 0 [pid 4260] <... socket resumed>) = 3 [pid 4261] <... setpgid resumed>) = 0 [pid 4260] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 4260] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4261] <... symlink resumed>) = 0 [pid 4260] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4261] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 4260] <... bind resumed>) = 0 [pid 4256] close(13 [pid 4261] <... symlink resumed>) = 0 [pid 4260] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4261] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] <... symlink resumed>) = 0 [pid 4261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4256] close(14 [pid 4261] write(3, "1000", 4) = 4 [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] close(3 [pid 4256] close(15 [pid 4261] <... close resumed>) = 0 [pid 4256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4261] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4261] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4261] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4261] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4261] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4256] close(16) = -1 EBADF (Bad file descriptor) [pid 4256] close(17) = -1 EBADF (Bad file descriptor) [pid 4256] close(18) = -1 EBADF (Bad file descriptor) [pid 4256] close(19) = -1 EBADF (Bad file descriptor) [pid 4256] close(20) = -1 EBADF (Bad file descriptor) [pid 4256] close(21) = -1 EBADF (Bad file descriptor) [pid 4256] close(22) = -1 EBADF (Bad file descriptor) [pid 4256] close(23) = -1 EBADF (Bad file descriptor) [pid 4256] close(24) = -1 EBADF (Bad file descriptor) [pid 4256] close(25) = -1 EBADF (Bad file descriptor) [pid 4256] close(26) = -1 EBADF (Bad file descriptor) [pid 4256] close(27) = -1 EBADF (Bad file descriptor) [pid 4256] close(28) = -1 EBADF (Bad file descriptor) [pid 4256] close(29) = -1 EBADF (Bad file descriptor) [pid 4256] exit_group(0) = ? [pid 4256] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./89/binderfs") = 0 [pid 3619] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./89/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./89/cgroup") = 0 [pid 3619] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./89/cgroup.net") = 0 [pid 3619] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./89/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./89") = 0 [pid 3619] mkdir("./90", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4262 attached , child_tidptr=0x555556f5d5d0) = 92 [pid 4262] chdir("./90") = 0 [pid 4262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4262] setpgid(0, 0) = 0 [pid 4262] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4262] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4262] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4262] write(3, "1000", 4) = 4 [pid 4262] close(3) = 0 [pid 4262] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4262] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4262] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4262] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4262] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4258] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 259.604192][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88805f49f400: rx timeout, send abort [ 259.612656][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888065b4a800: rx timeout, send abort [pid 4258] close(3) = 0 [pid 4258] close(4) = -1 EBADF (Bad file descriptor) [pid 4258] close(5) = -1 EBADF (Bad file descriptor) [pid 4258] close(6) = -1 EBADF (Bad file descriptor) [pid 4258] close(7) = -1 EBADF (Bad file descriptor) [pid 4258] close(8) = -1 EBADF (Bad file descriptor) [pid 4258] close(9) = -1 EBADF (Bad file descriptor) [pid 4258] close(10) = -1 EBADF (Bad file descriptor) [pid 4258] close(11) = -1 EBADF (Bad file descriptor) [pid 4258] close(12) = -1 EBADF (Bad file descriptor) [pid 4258] close(13) = -1 EBADF (Bad file descriptor) [pid 4258] close(14) = -1 EBADF (Bad file descriptor) [pid 4258] close(15) = -1 EBADF (Bad file descriptor) [pid 4258] close(16) = -1 EBADF (Bad file descriptor) [pid 4258] close(17) = -1 EBADF (Bad file descriptor) [pid 4258] close(18) = -1 EBADF (Bad file descriptor) [pid 4258] close(19) = -1 EBADF (Bad file descriptor) [pid 4258] close(20) = -1 EBADF (Bad file descriptor) [pid 4258] close(21) = -1 EBADF (Bad file descriptor) [pid 4258] close(22) = -1 EBADF (Bad file descriptor) [pid 4258] close(23) = -1 EBADF (Bad file descriptor) [pid 4258] close(24) = -1 EBADF (Bad file descriptor) [pid 4258] close(25) = -1 EBADF (Bad file descriptor) [pid 4258] close(26) = -1 EBADF (Bad file descriptor) [pid 4258] close(27) = -1 EBADF (Bad file descriptor) [pid 4258] close(28) = -1 EBADF (Bad file descriptor) [pid 4258] close(29) = -1 EBADF (Bad file descriptor) [pid 4258] exit_group(0) = ? [pid 4259] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4258] +++ exited with 0 +++ [pid 4259] close(3 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 259.655010][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88805f49f400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 259.668085][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806d524c00: rx timeout, send abort [ 259.669568][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888065b4a800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 259.677719][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888076fb6000: rx timeout, send abort [pid 3613] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./80/binderfs") = 0 [pid 3613] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./80/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4259] <... close resumed>) = 0 [pid 4259] close(4 [pid 3613] unlink("./80/cgroup" [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4259] close(5 [pid 3613] <... unlink resumed>) = 0 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 259.756576][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d524c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 259.771130][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888076fb6000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3613] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4259] close(6) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4259] close(7) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./80/cgroup.net", [pid 4259] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4259] close(9 [pid 3613] unlink("./80/cgroup.net" [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... unlink resumed>) = 0 [pid 4259] close(10 [pid 3613] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4259] close(11 [pid 3613] lstat("./80/cgroup.cpu", [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4259] close(12 [pid 3613] unlink("./80/cgroup.cpu" [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4259] close(13 [pid 3613] <... unlink resumed>) = 0 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./80") = 0 [pid 4259] close(14 [pid 3613] mkdir("./81", 0777 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... mkdir resumed>) = 0 [pid 4259] close(15 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4263 attached [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 83 [pid 4263] chdir("./81" [pid 4259] close(16 [pid 4263] <... chdir resumed>) = 0 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4259] close(17 [pid 4263] setpgid(0, 0 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] <... setpgid resumed>) = 0 [pid 4259] close(18 [pid 4263] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] <... symlink resumed>) = 0 [pid 4259] close(19 [pid 4263] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] <... symlink resumed>) = 0 [pid 4259] close(20 [pid 4263] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] <... symlink resumed>) = 0 [pid 4259] close(21) = -1 EBADF (Bad file descriptor) [pid 4263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4259] close(22 [pid 4263] <... openat resumed>) = 3 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] write(3, "1000", 4 [pid 4259] close(23 [pid 4263] <... write resumed>) = 4 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] close(3 [pid 4259] close(24 [pid 4263] <... close resumed>) = 0 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] symlink("/dev/binderfs", "./binderfs" [pid 4259] close(25 [pid 4263] <... symlink resumed>) = 0 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4259] close(26 [pid 4263] <... socket resumed>) = 3 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4259] close(27 [pid 4263] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4263] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4259] close(28 [pid 4263] <... bind resumed>) = 0 [pid 4259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4259] close(29) = -1 EBADF (Bad file descriptor) [pid 4259] exit_group(0 [pid 4263] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4259] <... exit_group resumed>) = ? [pid 4259] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 3618] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./92/binderfs") = 0 [pid 3618] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./92/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./92/cgroup") = 0 [pid 3618] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./92/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./92/cgroup.net") = 0 [pid 3618] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./92/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./92") = 0 [pid 3618] mkdir("./93", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 95 ./strace-static-x86_64: Process 4264 attached [pid 4264] chdir("./93") = 0 [pid 4264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4264] setpgid(0, 0) = 0 [pid 4264] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4264] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4264] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4264] write(3, "1000", 4) = 4 [pid 4264] close(3) = 0 [pid 4264] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4264] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4264] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4264] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4261] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4261] close(3 [ 260.184399][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d5f5800: rx timeout, send abort [ 260.192839][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888077e54000: rx timeout, send abort [pid 4264] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4261] <... close resumed>) = 0 [pid 4261] close(4) = -1 EBADF (Bad file descriptor) [pid 4261] close(5) = -1 EBADF (Bad file descriptor) [pid 4261] close(6) = -1 EBADF (Bad file descriptor) [pid 4261] close(7) = -1 EBADF (Bad file descriptor) [pid 4261] close(8) = -1 EBADF (Bad file descriptor) [pid 4261] close(9) = -1 EBADF (Bad file descriptor) [pid 4261] close(10) = -1 EBADF (Bad file descriptor) [pid 4261] close(11) = -1 EBADF (Bad file descriptor) [pid 4261] close(12) = -1 EBADF (Bad file descriptor) [pid 4261] close(13) = -1 EBADF (Bad file descriptor) [pid 4261] close(14) = -1 EBADF (Bad file descriptor) [pid 4261] close(15) = -1 EBADF (Bad file descriptor) [pid 4261] close(16) = -1 EBADF (Bad file descriptor) [pid 4261] close(17) = -1 EBADF (Bad file descriptor) [pid 4261] close(18) = -1 EBADF (Bad file descriptor) [pid 4261] close(19) = -1 EBADF (Bad file descriptor) [pid 4261] close(20) = -1 EBADF (Bad file descriptor) [pid 4261] close(21) = -1 EBADF (Bad file descriptor) [pid 4261] close(22) = -1 EBADF (Bad file descriptor) [pid 4261] close(23) = -1 EBADF (Bad file descriptor) [pid 4261] close(24) = -1 EBADF (Bad file descriptor) [pid 4261] close(25) = -1 EBADF (Bad file descriptor) [pid 4261] close(26) = -1 EBADF (Bad file descriptor) [pid 4261] close(27) = -1 EBADF (Bad file descriptor) [pid 4261] close(28) = -1 EBADF (Bad file descriptor) [pid 4261] close(29) = -1 EBADF (Bad file descriptor) [pid 4261] exit_group(0) = ? [pid 4261] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./91/binderfs") = 0 [pid 3617] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./91/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./91/cgroup") = 0 [pid 3617] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./91/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./91/cgroup.net") = 0 [pid 3617] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./91/cgroup.cpu") = 0 [ 260.235332][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d5f5800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 260.249987][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888077e54000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./91") = 0 [pid 3617] mkdir("./92", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4265 attached [pid 4265] chdir("./92" [pid 3617] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 94 [pid 4265] <... chdir resumed>) = 0 [pid 4265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4265] setpgid(0, 0) = 0 [pid 4265] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4265] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4265] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4265] write(3, "1000", 4) = 4 [pid 4265] close(3) = 0 [pid 4265] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4265] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4265] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4265] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4265] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4254] <... close resumed>) = 0 [pid 4262] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4262] close(3 [pid 4254] close(4) = -1 EBADF (Bad file descriptor) [pid 4254] close(5) = -1 EBADF (Bad file descriptor) [pid 4254] close(6) = -1 EBADF (Bad file descriptor) [pid 4254] close(7) = -1 EBADF (Bad file descriptor) [pid 4254] close(8) = -1 EBADF (Bad file descriptor) [pid 4254] close(9) = -1 EBADF (Bad file descriptor) [ 260.407818][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a50e800: rx timeout, send abort [ 260.416269][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806a50f400: rx timeout, send abort [pid 4254] close(10) = -1 EBADF (Bad file descriptor) [pid 4254] close(11) = -1 EBADF (Bad file descriptor) [pid 4254] close(12) = -1 EBADF (Bad file descriptor) [pid 4254] close(13) = -1 EBADF (Bad file descriptor) [pid 4254] close(14) = -1 EBADF (Bad file descriptor) [pid 4254] close(15) = -1 EBADF (Bad file descriptor) [pid 4254] close(16) = -1 EBADF (Bad file descriptor) [pid 4254] close(17) = -1 EBADF (Bad file descriptor) [pid 4254] close(18) = -1 EBADF (Bad file descriptor) [pid 4254] close(19) = -1 EBADF (Bad file descriptor) [pid 4254] close(20) = -1 EBADF (Bad file descriptor) [pid 4254] close(21) = -1 EBADF (Bad file descriptor) [pid 4254] close(22) = -1 EBADF (Bad file descriptor) [pid 4254] close(23) = -1 EBADF (Bad file descriptor) [pid 4254] close(24) = -1 EBADF (Bad file descriptor) [pid 4254] close(25) = -1 EBADF (Bad file descriptor) [pid 4254] close(26 [pid 4262] <... close resumed>) = 0 [pid 4254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4254] close(27) = -1 EBADF (Bad file descriptor) [pid 4254] close(28) = -1 EBADF (Bad file descriptor) [pid 4254] close(29) = -1 EBADF (Bad file descriptor) [pid 4254] exit_group(0) = ? [pid 4262] close(4 [pid 4254] +++ exited with 0 +++ [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4262] close(5 [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... restart_syscall resumed>) = 0 [pid 4262] close(6 [pid 3616] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4262] close(7 [ 260.462931][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a50e800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 260.477540][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806a50f400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./87/binderfs", [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./87/binderfs") = 0 [pid 3616] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./87/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] unlink("./87/cgroup") = 0 [pid 3616] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4262] close(8 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./87/cgroup.net", [pid 4262] close(9 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./87/cgroup.net" [pid 4262] close(10 [pid 3616] <... unlink resumed>) = 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4262] close(11 [pid 3616] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] lstat("./87/cgroup.cpu", [pid 4262] close(12 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] unlink("./87/cgroup.cpu" [pid 4262] close(13 [pid 3616] <... unlink resumed>) = 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] getdents64(3, [pid 4262] close(14 [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] close(3 [pid 4262] close(15 [pid 3616] <... close resumed>) = 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] rmdir("./87" [pid 4262] close(16 [pid 3616] <... rmdir resumed>) = 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] mkdir("./88", 0777 [pid 4262] close(17 [pid 3616] <... mkdir resumed>) = 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4266 attached [pid 4262] close(18 [pid 4266] chdir("./88" [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3616] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 90 [pid 4266] <... chdir resumed>) = 0 [pid 4262] close(19 [pid 4266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... prctl resumed>) = 0 [pid 4262] close(20 [pid 4266] setpgid(0, 0 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... setpgid resumed>) = 0 [pid 4262] close(21 [pid 4266] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... symlink resumed>) = 0 [pid 4262] close(22 [pid 4266] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... symlink resumed>) = 0 [pid 4262] close(23 [pid 4266] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... symlink resumed>) = 0 [pid 4262] close(24 [pid 4266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... openat resumed>) = 3 [pid 4262] close(25 [pid 4266] write(3, "1000", 4 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... write resumed>) = 4 [pid 4262] close(26 [pid 4266] close(3 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = 0 [pid 4262] close(27 [pid 4266] symlink("/dev/binderfs", "./binderfs" [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... symlink resumed>) = 0 [pid 4262] close(28 [pid 4266] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... socket resumed>) = 3 [pid 4262] close(29 [pid 4266] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4262] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4262] exit_group(0 [pid 4266] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4262] <... exit_group resumed>) = ? [pid 4266] <... bind resumed>) = 0 [pid 4262] +++ exited with 0 +++ [pid 4266] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./90/binderfs") = 0 [pid 3619] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./90/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./90/cgroup") = 0 [pid 3619] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./90/cgroup.net") = 0 [pid 3619] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./90/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./90/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./90") = 0 [pid 3619] mkdir("./91", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4267 attached , child_tidptr=0x555556f5d5d0) = 93 [pid 4267] chdir("./91") = 0 [pid 4267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4267] setpgid(0, 0) = 0 [pid 4267] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4267] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4267] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4267] write(3, "1000", 4) = 4 [pid 4267] close(3) = 0 [pid 4267] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4267] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4267] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4267] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4267] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4263] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 260.882503][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801c6bfc00: rx timeout, send abort [ 260.890906][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880258e9c00: rx timeout, send abort [ 260.917589][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801c6bfc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4263] close(3) = 0 [pid 4263] close(4) = -1 EBADF (Bad file descriptor) [pid 4263] close(5) = -1 EBADF (Bad file descriptor) [pid 4263] close(6) = -1 EBADF (Bad file descriptor) [pid 4263] close(7) = -1 EBADF (Bad file descriptor) [pid 4263] close(8) = -1 EBADF (Bad file descriptor) [pid 4263] close(9) = -1 EBADF (Bad file descriptor) [pid 4263] close(10) = -1 EBADF (Bad file descriptor) [pid 4263] close(11) = -1 EBADF (Bad file descriptor) [pid 4263] close(12) = -1 EBADF (Bad file descriptor) [pid 4263] close(13) = -1 EBADF (Bad file descriptor) [pid 4263] close(14) = -1 EBADF (Bad file descriptor) [pid 4263] close(15) = -1 EBADF (Bad file descriptor) [pid 4263] close(16) = -1 EBADF (Bad file descriptor) [pid 4263] close(17) = -1 EBADF (Bad file descriptor) [pid 4263] close(18) = -1 EBADF (Bad file descriptor) [pid 4263] close(19) = -1 EBADF (Bad file descriptor) [ 260.932198][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880258e9c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4263] close(20) = -1 EBADF (Bad file descriptor) [pid 4263] close(21) = -1 EBADF (Bad file descriptor) [pid 4263] close(22) = -1 EBADF (Bad file descriptor) [pid 4263] close(23) = -1 EBADF (Bad file descriptor) [pid 4263] close(24) = -1 EBADF (Bad file descriptor) [pid 4263] close(25) = -1 EBADF (Bad file descriptor) [pid 4263] close(26) = -1 EBADF (Bad file descriptor) [pid 4263] close(27) = -1 EBADF (Bad file descriptor) [pid 4263] close(28) = -1 EBADF (Bad file descriptor) [pid 4263] close(29) = -1 EBADF (Bad file descriptor) [pid 4263] exit_group(0) = ? [pid 4263] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3613] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3613] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3613] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3613] unlink("./81/binderfs") = 0 [pid 3613] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3613] unlink("./81/cgroup") = 0 [pid 3613] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4264] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4264] close(3 [ 261.058595][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880776cc000: rx timeout, send abort [ 261.067067][ C1] vxcan1: j1939_tp_rxtimer: 0xffff8880776ccc00: rx timeout, send abort [pid 3613] lstat("./81/cgroup.net", [pid 4260] <... sendmsg resumed>) = 106496 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4260] close(3 [pid 3613] unlink("./81/cgroup.net") = 0 [pid 3613] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3613] lstat("./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3613] unlink("./81/cgroup.cpu" [pid 4264] <... close resumed>) = 0 [pid 3613] <... unlink resumed>) = 0 [pid 3613] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3613] close(3) = 0 [pid 3613] rmdir("./81") = 0 [pid 3613] mkdir("./82", 0777 [pid 4264] close(4 [pid 3613] <... mkdir resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4268 attached [pid 4268] chdir("./82" [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 84 [pid 4268] <... chdir resumed>) = 0 [pid 4268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4268] setpgid(0, 0) = 0 [pid 4268] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4268] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4268] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4268] write(3, "1000", 4) = 4 [pid 4268] close(3) = 0 [pid 4268] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4264] close(5 [ 261.096460][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880776cc000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 261.111063][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff8880776ccc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4268] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4268] <... socket resumed>) = 3 [pid 4268] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4264] close(6 [pid 4268] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4268] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4268] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4264] close(7) = -1 EBADF (Bad file descriptor) [pid 4264] close(8) = -1 EBADF (Bad file descriptor) [pid 4264] close(9) = -1 EBADF (Bad file descriptor) [pid 4264] close(10) = -1 EBADF (Bad file descriptor) [pid 4264] close(11) = -1 EBADF (Bad file descriptor) [pid 4264] close(12) = -1 EBADF (Bad file descriptor) [pid 4264] close(13) = -1 EBADF (Bad file descriptor) [pid 4264] close(14) = -1 EBADF (Bad file descriptor) [pid 4264] close(15) = -1 EBADF (Bad file descriptor) [pid 4264] close(16) = -1 EBADF (Bad file descriptor) [pid 4264] close(17) = -1 EBADF (Bad file descriptor) [pid 4264] close(18) = -1 EBADF (Bad file descriptor) [pid 4264] close(19) = -1 EBADF (Bad file descriptor) [pid 4264] close(20 [pid 4265] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4264] close(21) = -1 EBADF (Bad file descriptor) [pid 4264] close(22) = -1 EBADF (Bad file descriptor) [pid 4264] close(23) = -1 EBADF (Bad file descriptor) [pid 4264] close(24) = -1 EBADF (Bad file descriptor) [pid 4264] close(25) = -1 EBADF (Bad file descriptor) [pid 4264] close(26) = -1 EBADF (Bad file descriptor) [pid 4264] close(27) = -1 EBADF (Bad file descriptor) [pid 4264] close(28) = -1 EBADF (Bad file descriptor) [pid 4264] close(29) = -1 EBADF (Bad file descriptor) [pid 4264] exit_group(0) = ? [pid 4265] close(3 [pid 4264] +++ exited with 0 +++ [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3618] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3618] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./93/binderfs") = 0 [pid 3618] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./93/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./93/cgroup") = 0 [pid 3618] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./93/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./93/cgroup.net") = 0 [pid 3618] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./93/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./93/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./93") = 0 [ 261.223549][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88806d51fc00: rx timeout, send abort [ 261.231978][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807aabc000: rx timeout, send abort [pid 3618] mkdir("./94", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4269 attached [pid 4269] chdir("./94" [pid 3618] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 96 [pid 4269] <... chdir resumed>) = 0 [pid 4269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4269] setpgid(0, 0) = 0 [pid 4269] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4269] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4269] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4269] write(3, "1000", 4) = 4 [pid 4269] close(3) = 0 [pid 4269] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4269] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4269] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4265] <... close resumed>) = 0 [pid 4269] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4265] close(4 [pid 4269] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4265] close(5) = -1 EBADF (Bad file descriptor) [pid 4265] close(6) = -1 EBADF (Bad file descriptor) [pid 4265] close(7) = -1 EBADF (Bad file descriptor) [pid 4265] close(8) = -1 EBADF (Bad file descriptor) [pid 4265] close(9) = -1 EBADF (Bad file descriptor) [pid 4265] close(10) = -1 EBADF (Bad file descriptor) [pid 4265] close(11) = -1 EBADF (Bad file descriptor) [pid 4265] close(12) = -1 EBADF (Bad file descriptor) [pid 4265] close(13) = -1 EBADF (Bad file descriptor) [ 261.342261][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806d51fc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 261.356847][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807aabc000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4265] close(14) = -1 EBADF (Bad file descriptor) [pid 4265] close(15) = -1 EBADF (Bad file descriptor) [pid 4265] close(16) = -1 EBADF (Bad file descriptor) [pid 4265] close(17) = -1 EBADF (Bad file descriptor) [pid 4265] close(18) = -1 EBADF (Bad file descriptor) [pid 4265] close(19) = -1 EBADF (Bad file descriptor) [pid 4265] close(20) = -1 EBADF (Bad file descriptor) [pid 4265] close(21) = -1 EBADF (Bad file descriptor) [pid 4265] close(22) = -1 EBADF (Bad file descriptor) [pid 4265] close(23) = -1 EBADF (Bad file descriptor) [pid 4265] close(24) = -1 EBADF (Bad file descriptor) [pid 4265] close(25) = -1 EBADF (Bad file descriptor) [pid 4265] close(26) = -1 EBADF (Bad file descriptor) [pid 4265] close(27) = -1 EBADF (Bad file descriptor) [pid 4265] close(28) = -1 EBADF (Bad file descriptor) [pid 4265] close(29) = -1 EBADF (Bad file descriptor) [pid 4265] exit_group(0) = ? [pid 4265] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3617] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3617] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3617] unlink("./92/binderfs") = 0 [pid 3617] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./92/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3617] unlink("./92/cgroup") = 0 [pid 3617] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./92/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./92/cgroup.net") = 0 [pid 3617] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3617] lstat("./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3617] unlink("./92/cgroup.cpu") = 0 [pid 3617] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3617] rmdir("./92") = 0 [pid 3617] mkdir("./93", 0777) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4270 attached , child_tidptr=0x555556f5d5d0) = 95 [pid 4270] chdir("./93") = 0 [pid 4270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4270] setpgid(0, 0) = 0 [pid 4270] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 4270] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 4270] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 4270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4270] write(3, "1000", 4) = 4 [pid 4270] close(3) = 0 [pid 4270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4270] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4270] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4270] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4270] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4267] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 261.964912][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888060579400: rx timeout, send abort [pid 4267] close(3) = 0 [pid 4267] close(4) = -1 EBADF (Bad file descriptor) [pid 4267] close(5) = -1 EBADF (Bad file descriptor) [pid 4267] close(6) = -1 EBADF (Bad file descriptor) [pid 4267] close(7) = -1 EBADF (Bad file descriptor) [pid 4267] close(8) = -1 EBADF (Bad file descriptor) [pid 4267] close(9) = -1 EBADF (Bad file descriptor) [pid 4267] close(10) = -1 EBADF (Bad file descriptor) [pid 4267] close(11) = -1 EBADF (Bad file descriptor) [pid 4267] close(12) = -1 EBADF (Bad file descriptor) [pid 4267] close(13) = -1 EBADF (Bad file descriptor) [pid 4267] close(14) = -1 EBADF (Bad file descriptor) [pid 4267] close(15) = -1 EBADF (Bad file descriptor) [pid 4267] close(16) = -1 EBADF (Bad file descriptor) [pid 4267] close(17) = -1 EBADF (Bad file descriptor) [pid 4267] close(18) = -1 EBADF (Bad file descriptor) [pid 4267] close(19) = -1 EBADF (Bad file descriptor) [pid 4267] close(20) = -1 EBADF (Bad file descriptor) [pid 4267] close(21) = -1 EBADF (Bad file descriptor) [pid 4267] close(22) = -1 EBADF (Bad file descriptor) [pid 4267] close(23) = -1 EBADF (Bad file descriptor) [pid 4267] close(24) = -1 EBADF (Bad file descriptor) [pid 4267] close(25) = -1 EBADF (Bad file descriptor) [pid 4267] close(26 [pid 4266] <... sendmsg resumed>) = 106496 [pid 4267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(3 [pid 4267] close(27) = -1 EBADF (Bad file descriptor) [pid 4267] close(28) = -1 EBADF (Bad file descriptor) [pid 4267] close(29) = -1 EBADF (Bad file descriptor) [ 262.024397][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888060579400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 262.038959][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806057ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4267] exit_group(0) = ? [pid 4267] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./91/binderfs") = 0 [pid 3619] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./91/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./91/cgroup") = 0 [pid 3619] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./91/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./91/cgroup.net") = 0 [pid 3619] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./91/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./91") = 0 [pid 3619] mkdir("./92", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4271 attached [pid 4271] chdir("./92" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 94 [pid 4271] <... chdir resumed>) = 0 [pid 4271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4271] setpgid(0, 0) = 0 [pid 4271] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4271] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4271] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4271] write(3, "1000", 4) = 4 [pid 4271] close(3) = 0 [pid 4271] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4271] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4271] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4271] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4271] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4268] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4268] close(3) = 0 [ 262.399509][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888066c3dc00: rx timeout, send abort [ 262.407969][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888073e95400: rx timeout, send abort [ 262.420790][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066c3dc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 262.435348][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073e95400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4268] close(4) = -1 EBADF (Bad file descriptor) [pid 4268] close(5) = -1 EBADF (Bad file descriptor) [pid 4268] close(6) = -1 EBADF (Bad file descriptor) [pid 4268] close(7) = -1 EBADF (Bad file descriptor) [pid 4268] close(8) = -1 EBADF (Bad file descriptor) [pid 4268] close(9) = -1 EBADF (Bad file descriptor) [pid 4268] close(10) = -1 EBADF (Bad file descriptor) [pid 4268] close(11) = -1 EBADF (Bad file descriptor) [pid 4268] close(12) = -1 EBADF (Bad file descriptor) [pid 4268] close(13) = -1 EBADF (Bad file descriptor) [pid 4268] close(14) = -1 EBADF (Bad file descriptor) [pid 4268] close(15) = -1 EBADF (Bad file descriptor) [pid 4268] close(16) = -1 EBADF (Bad file descriptor) [pid 4268] close(17) = -1 EBADF (Bad file descriptor) [pid 4268] close(18) = -1 EBADF (Bad file descriptor) [pid 4268] close(19) = -1 EBADF (Bad file descriptor) [pid 4268] close(20) = -1 EBADF (Bad file descriptor) [pid 4268] close(21) = -1 EBADF (Bad file descriptor) [pid 4268] close(22) = -1 EBADF (Bad file descriptor) [pid 4268] close(23) = -1 EBADF (Bad file descriptor) [pid 4268] close(24) = -1 EBADF (Bad file descriptor) [pid 4268] close(25) = -1 EBADF (Bad file descriptor) [pid 4268] close(26) = -1 EBADF (Bad file descriptor) [pid 4268] close(27) = -1 EBADF (Bad file descriptor) [pid 4269] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4268] close(28 [pid 4269] close(3 [pid 4268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4268] close(29) = -1 EBADF (Bad file descriptor) [pid 4268] exit_group(0) = ? [ 262.533603][ C0] vxcan1: j1939_tp_rxtimer: 0xffff888073e95000: rx timeout, send abort [ 262.542060][ C0] vxcan1: j1939_tp_rxtimer: 0xffff88807808ac00: rx timeout, send abort [ 262.567165][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888073e95000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4268] +++ exited with 0 +++ [pid 4269] <... close resumed>) = 0 [pid 4269] close(4 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 262.581754][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff88807808ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4269] close(5) = -1 EBADF (Bad file descriptor) [pid 4269] close(6) = -1 EBADF (Bad file descriptor) [pid 4269] close(7 [pid 3613] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4269] close(8 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4269] close(9 [pid 3613] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] <... openat resumed>) = 3 [pid 4269] close(10 [pid 3613] fstat(3, [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4269] close(11 [pid 3613] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4269] close(12 [pid 3613] getdents64(3, [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4269] close(13 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4269] close(14 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./82/binderfs", [pid 4269] close(15 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./82/binderfs" [pid 4269] close(16 [pid 3613] <... unlink resumed>) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4269] close(17 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./82/cgroup", [pid 4269] close(18 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./82/cgroup" [pid 4269] close(19 [pid 3613] <... unlink resumed>) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4269] close(20 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./82/cgroup.net", [pid 4269] close(21 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./82/cgroup.net" [pid 4269] close(22 [pid 3613] <... unlink resumed>) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4269] close(23 [pid 3613] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] lstat("./82/cgroup.cpu", [pid 4269] close(24 [pid 3613] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] unlink("./82/cgroup.cpu" [pid 4269] close(25 [pid 3613] <... unlink resumed>) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] getdents64(3, [pid 4269] close(26 [pid 3613] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] close(3 [pid 4269] close(27 [pid 3613] <... close resumed>) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] rmdir("./82" [pid 4269] close(28 [pid 3613] <... rmdir resumed>) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] mkdir("./83", 0777 [pid 4269] close(29 [pid 3613] <... mkdir resumed>) = 0 [pid 4269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4272 attached [pid 4269] exit_group(0 [pid 4272] chdir("./83" [pid 4269] <... exit_group resumed>) = ? [pid 3613] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 85 [pid 4272] <... chdir resumed>) = 0 [pid 4269] +++ exited with 0 +++ [pid 4272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4272] <... prctl resumed>) = 0 [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 4272] setpgid(0, 0) = 0 [pid 3618] <... restart_syscall resumed>) = 0 [pid 4272] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4272] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4272] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4272] write(3, "1000", 4) = 4 [pid 4272] close(3) = 0 [pid 4272] symlink("/dev/binderfs", "./binderfs" [pid 3618] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4272] <... symlink resumed>) = 0 [pid 4272] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4272] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 3618] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4272] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4272] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4272] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3618] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3618] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3618] unlink("./94/binderfs") = 0 [pid 3618] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./94/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3618] unlink("./94/cgroup") = 0 [pid 3618] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./94/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./94/cgroup.net") = 0 [pid 3618] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3618] lstat("./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3618] unlink("./94/cgroup.cpu") = 0 [pid 3618] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0 [pid 3618] rmdir("./94") = 0 [pid 4271] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [pid 4271] close(3 [pid 3618] mkdir("./95", 0777) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4273 attached , child_tidptr=0x555556f5d5d0) = 97 [pid 4273] chdir("./95") = 0 [ 263.008799][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806897fc00: rx timeout, send abort [ 263.017239][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88806897f400: rx timeout, send abort [ 263.036868][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806897fc00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4271] <... close resumed>) = 0 [pid 4273] setpgid(0, 0 [pid 4271] close(4 [pid 4273] <... setpgid resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4271] close(5 [pid 4273] <... symlink resumed>) = 0 [pid 4273] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... symlink resumed>) = 0 [pid 4271] close(6) = -1 EBADF (Bad file descriptor) [ 263.051459][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88806897f400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4273] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4271] close(7 [pid 4273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] <... openat resumed>) = 3 [pid 4273] write(3, "1000", 4 [pid 4271] close(8 [pid 4273] <... write resumed>) = 4 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] close(3 [pid 4271] close(9 [pid 4273] <... close resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] symlink("/dev/binderfs", "./binderfs" [pid 4271] close(10 [pid 4273] <... symlink resumed>) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4271] close(11 [pid 4273] <... socket resumed>) = 3 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4271] close(12 [pid 4273] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4273] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4271] close(13) = -1 EBADF (Bad file descriptor) [pid 4273] <... bind resumed>) = 0 [pid 4271] close(14 [pid 4273] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4271] close(15) = -1 EBADF (Bad file descriptor) [pid 4271] close(16) = -1 EBADF (Bad file descriptor) [pid 4271] close(17) = -1 EBADF (Bad file descriptor) [pid 4271] close(18) = -1 EBADF (Bad file descriptor) [pid 4271] close(19) = -1 EBADF (Bad file descriptor) [pid 4271] close(20) = -1 EBADF (Bad file descriptor) [pid 4271] close(21) = -1 EBADF (Bad file descriptor) [pid 4271] close(22) = -1 EBADF (Bad file descriptor) [pid 4271] close(23) = -1 EBADF (Bad file descriptor) [pid 4271] close(24) = -1 EBADF (Bad file descriptor) [pid 4271] close(25) = -1 EBADF (Bad file descriptor) [pid 4271] close(26) = -1 EBADF (Bad file descriptor) [pid 4271] close(27) = -1 EBADF (Bad file descriptor) [pid 4271] close(28) = -1 EBADF (Bad file descriptor) [pid 4271] close(29) = -1 EBADF (Bad file descriptor) [pid 4271] exit_group(0) = ? [pid 4271] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./92/binderfs") = 0 [pid 3619] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./92/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./92/cgroup") = 0 [pid 3619] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./92/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./92/cgroup.net") = 0 [pid 3619] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./92/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./92") = 0 [pid 3619] mkdir("./93", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 95 ./strace-static-x86_64: Process 4274 attached [pid 4274] chdir("./93") = 0 [pid 4274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4274] setpgid(0, 0) = 0 [pid 4274] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4274] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4274] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4274] write(3, "1000", 4) = 4 [pid 4274] close(3) = 0 [pid 4274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4274] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4274] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4274] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4274] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 3620] kill(-88, SIGKILL [pid 4260] <... close resumed>) = ? [pid 3620] <... kill resumed>) = 0 [pid 4260] +++ killed by SIGKILL +++ [pid 3620] kill(88, SIGKILL) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=88, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 3620] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3620] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3620] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3620] unlink("./86/binderfs") = 0 [pid 3620] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./86/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3620] unlink("./86/cgroup") = 0 [pid 3620] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./86/cgroup.net") = 0 [pid 3620] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3620] lstat("./86/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3620] unlink("./86/cgroup.cpu") = 0 [pid 3620] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3620] close(3) = 0 [pid 3620] rmdir("./86") = 0 [pid 3620] mkdir("./87", 0777) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4275 attached [pid 4275] chdir("./87") = 0 [pid 4275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 89 [pid 4275] setpgid(0, 0) = 0 [pid 4275] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4275] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4275] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4275] write(3, "1000", 4) = 4 [pid 4275] close(3) = 0 [pid 4275] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4275] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4275] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4275] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4275] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4274] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 264.519892][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888068c6b400: rx timeout, send abort [ 264.528323][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888066c30800: rx timeout, send abort [ 264.580031][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801cdc5800: rx timeout, send abort [ 264.588447][ C1] vxcan1: j1939_tp_rxtimer: 0xffff88801cdc5000: rx timeout, send abort [pid 4274] close(3) = 0 [pid 4274] close(4) = -1 EBADF (Bad file descriptor) [pid 4274] close(5) = -1 EBADF (Bad file descriptor) [pid 4274] close(6) = -1 EBADF (Bad file descriptor) [ 264.623453][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888068c6b400: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 264.638010][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066c30800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 264.652712][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801cdc5800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4274] close(7) = -1 EBADF (Bad file descriptor) [pid 4274] close(8) = -1 EBADF (Bad file descriptor) [pid 4274] close(9) = -1 EBADF (Bad file descriptor) [pid 4274] close(10) = -1 EBADF (Bad file descriptor) [pid 4274] close(11) = -1 EBADF (Bad file descriptor) [pid 4274] close(12) = -1 EBADF (Bad file descriptor) [pid 4274] close(13) = -1 EBADF (Bad file descriptor) [pid 4274] close(14) = -1 EBADF (Bad file descriptor) [pid 4274] close(15) = -1 EBADF (Bad file descriptor) [pid 4274] close(16) = -1 EBADF (Bad file descriptor) [pid 4274] close(17) = -1 EBADF (Bad file descriptor) [pid 4274] close(18) = -1 EBADF (Bad file descriptor) [pid 4274] close(19) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = 0 [pid 4274] close(20 [pid 4266] close(4 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(21 [pid 4266] close(5 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(22 [pid 4266] close(6 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(23 [pid 4266] close(7 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(24 [pid 4266] close(8 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(25 [pid 4266] close(9 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(26 [pid 4266] close(10 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(27 [pid 4266] close(11 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(28 [pid 4266] close(12 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] close(29 [pid 4266] close(13 [pid 4274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] exit_group(0 [pid 4266] close(14 [pid 4274] <... exit_group resumed>) = ? [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4274] +++ exited with 0 +++ [pid 4266] close(15) = -1 EBADF (Bad file descriptor) [pid 4266] close(16 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(17) = -1 EBADF (Bad file descriptor) [pid 4266] close(18 [pid 3619] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(19 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4273] <... sendmsg resumed>) = 106496 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4266] close(20) = -1 EBADF (Bad file descriptor) [ 264.667183][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff88801cdc5000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 4266] close(21) = -1 EBADF (Bad file descriptor) [pid 4266] close(22) = -1 EBADF (Bad file descriptor) [pid 4266] close(23) = -1 EBADF (Bad file descriptor) [pid 4266] close(24) = -1 EBADF (Bad file descriptor) [pid 4273] close(3 [pid 4266] close(25 [pid 3619] <... openat resumed>) = 3 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(26 [pid 3619] fstat(3, [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4266] close(27 [pid 3619] getdents64(3, [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4266] close(28 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4266] close(29 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3619] lstat("./93/binderfs", [pid 4266] exit_group(0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4266] <... exit_group resumed>) = ? [pid 3619] unlink("./93/binderfs" [pid 4266] +++ exited with 0 +++ [pid 3619] <... unlink resumed>) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3616] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3616] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3616] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3616] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] lstat("./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3616] unlink("./88/binderfs" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3616] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./88/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] lstat("./93/cgroup", [pid 3616] unlink("./88/cgroup" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3616] <... unlink resumed>) = 0 [pid 3619] unlink("./93/cgroup" [pid 3616] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./88/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] unlink("./88/cgroup.net") = 0 [pid 3616] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3616] lstat("./88/cgroup.cpu", [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] unlink("./88/cgroup.cpu" [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... unlink resumed>) = 0 [pid 3616] getdents64(3, [pid 3619] lstat("./93/cgroup.net", [pid 3616] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3616] close(3 [pid 3619] unlink("./93/cgroup.net" [pid 3616] <... close resumed>) = 0 [pid 3616] rmdir("./88" [pid 3619] <... unlink resumed>) = 0 [pid 3616] <... rmdir resumed>) = 0 [pid 3619] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3616] mkdir("./89", 0777 [pid 3619] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] <... mkdir resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f5d5d0) = 91 ./strace-static-x86_64: Process 4276 attached [pid 3619] lstat("./93/cgroup.cpu", [pid 4276] chdir("./89" [pid 3619] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 4276] <... chdir resumed>) = 0 [pid 3619] unlink("./93/cgroup.cpu" [pid 4276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3619] <... unlink resumed>) = 0 [pid 4276] <... prctl resumed>) = 0 [pid 3619] getdents64(3, [pid 4276] setpgid(0, 0 [pid 3619] <... getdents64 resumed>0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 4276] <... setpgid resumed>) = 0 [pid 3619] close(3 [pid 4276] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3619] <... close resumed>) = 0 [pid 4276] <... symlink resumed>) = 0 [pid 3619] rmdir("./93" [pid 4276] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3619] <... rmdir resumed>) = 0 [pid 4276] <... symlink resumed>) = 0 [pid 3619] mkdir("./94", 0777 [pid 4276] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3619] <... mkdir resumed>) = 0 [pid 4276] <... symlink resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4277 attached [pid 4276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4277] chdir("./94" [pid 4276] <... openat resumed>) = 3 [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 96 [pid 4277] <... chdir resumed>) = 0 [pid 4276] write(3, "1000", 4 [pid 4277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4276] <... write resumed>) = 4 [pid 4277] <... prctl resumed>) = 0 [pid 4276] close(3 [pid 4277] setpgid(0, 0 [pid 4276] <... close resumed>) = 0 [pid 4277] <... setpgid resumed>) = 0 [pid 4276] symlink("/dev/binderfs", "./binderfs" [pid 4277] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4276] <... symlink resumed>) = 0 [pid 4277] <... symlink resumed>) = 0 [pid 4276] socket(AF_CAN, SOCK_DGRAM, CAN_J1939 [pid 4277] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4276] <... socket resumed>) = 3 [pid 4277] <... symlink resumed>) = 0 [pid 4276] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1" [pid 4277] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4276] <... ioctl resumed>, ifr_ifindex=21}) = 0 [pid 4277] <... symlink resumed>) = 0 [pid 4276] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24 [pid 4277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4276] <... bind resumed>) = 0 [pid 4277] <... openat resumed>) = 3 [pid 4276] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4277] write(3, "1000", 4) = 4 [pid 4277] close(3) = 0 [pid 4277] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4277] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4277] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4277] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4277] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4270] <... sendmsg resumed>) = 106496 [pid 4270] close(3 [pid 4277] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 265.232243][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888066543c00: rx timeout, send abort [pid 4277] close(3) = 0 [pid 4277] close(4) = -1 EBADF (Bad file descriptor) [pid 4277] close(5) = -1 EBADF (Bad file descriptor) [pid 4277] close(6) = -1 EBADF (Bad file descriptor) [pid 4277] close(7) = -1 EBADF (Bad file descriptor) [pid 4277] close(8) = -1 EBADF (Bad file descriptor) [pid 4277] close(9) = -1 EBADF (Bad file descriptor) [pid 4277] close(10) = -1 EBADF (Bad file descriptor) [pid 4277] close(11) = -1 EBADF (Bad file descriptor) [pid 4277] close(12) = -1 EBADF (Bad file descriptor) [pid 4277] close(13) = -1 EBADF (Bad file descriptor) [pid 4277] close(14) = -1 EBADF (Bad file descriptor) [pid 4277] close(15) = -1 EBADF (Bad file descriptor) [pid 4277] close(16) = -1 EBADF (Bad file descriptor) [pid 4277] close(17) = -1 EBADF (Bad file descriptor) [pid 4277] close(18) = -1 EBADF (Bad file descriptor) [pid 4277] close(19) = -1 EBADF (Bad file descriptor) [pid 4277] close(20) = -1 EBADF (Bad file descriptor) [pid 4277] close(21) = -1 EBADF (Bad file descriptor) [pid 4277] close(22) = -1 EBADF (Bad file descriptor) [pid 4277] close(23) = -1 EBADF (Bad file descriptor) [pid 4277] close(24) = -1 EBADF (Bad file descriptor) [pid 4277] close(25) = -1 EBADF (Bad file descriptor) [pid 4277] close(26) = -1 EBADF (Bad file descriptor) [pid 4277] close(27) = -1 EBADF (Bad file descriptor) [pid 4277] close(28) = -1 EBADF (Bad file descriptor) [pid 4277] close(29) = -1 EBADF (Bad file descriptor) [pid 4277] exit_group(0) = ? [pid 4277] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3619] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 6 entries */, 32768) = 176 [pid 3619] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3619] unlink("./94/binderfs") = 0 [pid 3619] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./94/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3619] unlink("./94/cgroup") = 0 [pid 3619] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./94/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3619] unlink("./94/cgroup.net") = 0 [pid 3619] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] lstat("./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 265.301255][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888066543c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 265.315842][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888074588c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [pid 3619] unlink("./94/cgroup.cpu") = 0 [pid 3619] getdents64(3, 0x555556f5e620 /* 0 entries */, 32768) = 0 [pid 3619] close(3) = 0 [pid 3619] rmdir("./94") = 0 [pid 3619] mkdir("./95", 0777) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4278 attached [pid 4278] chdir("./95" [pid 3619] <... clone resumed>, child_tidptr=0x555556f5d5d0) = 97 [pid 4278] <... chdir resumed>) = 0 [pid 4278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4278] setpgid(0, 0) = 0 [pid 4278] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4278] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4278] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4278] write(3, "1000", 4) = 4 [pid 4278] close(3) = 0 [pid 4278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4278] socket(AF_CAN, SOCK_DGRAM, CAN_J1939) = 3 [pid 4278] ioctl(3, SIOCGIFINDEX, {ifr_name="vxcan1", ifr_ifindex=21}) = 0 [pid 4278] bind(3, {sa_family=AF_CAN, sa_data="\x00\x00\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, 24) = 0 [pid 4278] sendmsg(3, {msg_name={sa_family=AF_CAN, sa_data="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=24, msg_iov=[{iov_base="\xe7\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=106496}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 4275] <... sendmsg resumed>) = -1 EHOSTUNREACH (No route to host) [ 265.398854][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069896c00: rx timeout, send abort [ 265.399934][ C0] vxcan1: j1939_tp_rxtimer: 0xffff8880790de400: rx timeout, send abort [ 265.407269][ C1] vxcan1: j1939_tp_rxtimer: 0xffff888069897c00: rx timeout, send abort [ 265.448117][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069896c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 265.452594][ C1] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069896c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 265.462536][ C0] vxcan1: j1939_xtp_rx_abort_one: 0xffff888069897c00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 265.477555][ C1] ------------[ cut here ]------------ [ 265.496786][ C1] WARNING: CPU: 1 PID: 21 at net/can/j1939/transport.c:1090 j1939_session_deactivate_activate_next+0x95/0xd3 [ 265.508390][ C1] Modules linked in: [ 265.512290][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.19.0-rc8-syzkaller-00130-g8eaa1d110800 #0 [ 265.522284][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 265.532343][ C1] RIP: 0010:j1939_session_deactivate_activate_next+0x95/0xd3 [ 265.539723][ C1] Code: 03 38 d0 7c 0c 84 d2 74 08 4c 89 ef e8 46 ac 52 f8 8b 5d 28 bf 01 00 00 00 89 de e8 f7 ca 05 f8 83 fb 01 77 07 e8 ad ce 05 f8 <0f> 0b e8 a6 ce 05 f8 48 89 ef e8 ee 82 db fe 4c 89 e7 89 c3 e8 d4 [ 265.559337][ C1] RSP: 0018:ffffc900001b79a0 EFLAGS: 00010246 [ 265.565480][ C1] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 [ 265.573457][ C1] RDX: ffff888011a49d80 RSI: ffffffff89749b63 RDI: 0000000000000005 [ 265.581440][ C1] RBP: ffff888069896c00 R08: 0000000000000005 R09: 0000000000000001 [ 265.589405][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888061bed070 [ 265.597389][ C1] R13: ffff888069896c28 R14: ffff8880211b8818 R15: ffffffff8ae87ba0 [ 265.605370][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 265.614334][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 265.620908][ C1] CR2: 0000000020015000 CR3: 000000007104a000 CR4: 00000000003506e0 [ 265.628892][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 265.636873][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 265.644853][ C1] Call Trace: [ 265.648123][ C1] [ 265.651068][ C1] j1939_xtp_rx_abort_one.cold+0x20b/0x33c [ 265.656888][ C1] j1939_tp_recv+0xb28/0xcb0 [ 265.661569][ C1] j1939_can_recv+0x6ff/0x9a0 [ 265.666250][ C1] ? j1939_netdev_notify+0x1d0/0x1d0 [ 265.671706][ C1] ? j1939_netdev_notify+0x1d0/0x1d0 [ 265.677033][ C1] can_rcv_filter+0x5d4/0x8d0 [ 265.681748][ C1] can_receive+0x31d/0x580 [ 265.686202][ C1] can_rcv+0x120/0x1c0 [ 265.690292][ C1] ? can_receive+0x580/0x580 [ 265.694910][ C1] __netif_receive_skb_one_core+0x114/0x180 [ 265.700837][ C1] ? __netif_receive_skb_core+0x3920/0x3920 [ 265.706741][ C1] ? process_backlog+0x225/0x7c0 [ 265.711696][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 265.716561][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 265.721598][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 265.726537][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 265.731789][ C1] __netif_receive_skb+0x24/0x1b0 [ 265.736810][ C1] process_backlog+0x3a0/0x7c0 [ 265.741591][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 265.746791][ C1] __napi_poll+0xb3/0x6e0 [ 265.751134][ C1] net_rx_action+0x9c1/0xd90 [ 265.755726][ C1] ? napi_threaded_poll+0x520/0x520 [ 265.760974][ C1] ? __wake_up_locked_sync_key+0x20/0x20 [ 265.766645][ C1] ? sched_core_balance+0x9c0/0x9c0 [ 265.771915][ C1] __do_softirq+0x29b/0x9c2 [ 265.776462][ C1] ? __irq_exit_rcu+0x180/0x180 [ 265.781357][ C1] run_ksoftirqd+0x2d/0x60 [ 265.785788][ C1] smpboot_thread_fn+0x645/0x9c0 [ 265.790761][ C1] ? sort_range+0x30/0x30 [ 265.795120][ C1] kthread+0x2e9/0x3a0 [ 265.799198][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 265.804855][ C1] ret_from_fork+0x1f/0x30 [ 265.809274][ C1] [ 265.812298][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 265.818865][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.19.0-rc8-syzkaller-00130-g8eaa1d110800 #0 [ 265.828828][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 265.838866][ C1] Call Trace: [ 265.842146][ C1] [ 265.845067][ C1] dump_stack_lvl+0xcd/0x134 [ 265.849704][ C1] panic+0x2d7/0x636 [ 265.853599][ C1] ? panic_print_sys_info.part.0+0x10b/0x10b [ 265.859574][ C1] ? __warn.cold+0x1d1/0x2c5 [ 265.864155][ C1] ? j1939_session_deactivate_activate_next+0x95/0xd3 [ 265.870908][ C1] __warn.cold+0x1e2/0x2c5 [ 265.875315][ C1] ? j1939_session_deactivate_activate_next+0x95/0xd3 [ 265.882064][ C1] report_bug+0x1bc/0x210 [ 265.886401][ C1] handle_bug+0x3c/0x60 [ 265.890549][ C1] exc_invalid_op+0x14/0x40 [ 265.895038][ C1] asm_exc_invalid_op+0x16/0x20 [ 265.899875][ C1] RIP: 0010:j1939_session_deactivate_activate_next+0x95/0xd3 [ 265.907240][ C1] Code: 03 38 d0 7c 0c 84 d2 74 08 4c 89 ef e8 46 ac 52 f8 8b 5d 28 bf 01 00 00 00 89 de e8 f7 ca 05 f8 83 fb 01 77 07 e8 ad ce 05 f8 <0f> 0b e8 a6 ce 05 f8 48 89 ef e8 ee 82 db fe 4c 89 e7 89 c3 e8 d4 [ 265.926852][ C1] RSP: 0018:ffffc900001b79a0 EFLAGS: 00010246 [ 265.932926][ C1] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 [ 265.940902][ C1] RDX: ffff888011a49d80 RSI: ffffffff89749b63 RDI: 0000000000000005 [ 265.948931][ C1] RBP: ffff888069896c00 R08: 0000000000000005 R09: 0000000000000001 [ 265.956889][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888061bed070 [ 265.964849][ C1] R13: ffff888069896c28 R14: ffff8880211b8818 R15: ffffffff8ae87ba0 [ 265.972817][ C1] ? j1939_session_deactivate_activate_next+0x95/0xd3 [ 265.979583][ C1] j1939_xtp_rx_abort_one.cold+0x20b/0x33c [ 265.985385][ C1] j1939_tp_recv+0xb28/0xcb0 [ 265.990017][ C1] j1939_can_recv+0x6ff/0x9a0 [ 265.994687][ C1] ? j1939_netdev_notify+0x1d0/0x1d0 [ 265.999971][ C1] ? j1939_netdev_notify+0x1d0/0x1d0 [ 266.005256][ C1] can_rcv_filter+0x5d4/0x8d0 [ 266.009936][ C1] can_receive+0x31d/0x580 [ 266.014345][ C1] can_rcv+0x120/0x1c0 [ 266.018400][ C1] ? can_receive+0x580/0x580 [ 266.022974][ C1] __netif_receive_skb_one_core+0x114/0x180 [ 266.028873][ C1] ? __netif_receive_skb_core+0x3920/0x3920 [ 266.034754][ C1] ? process_backlog+0x225/0x7c0 [ 266.039684][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 266.044528][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 266.049538][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 266.054465][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 266.059666][ C1] __netif_receive_skb+0x24/0x1b0 [ 266.064692][ C1] process_backlog+0x3a0/0x7c0 [ 266.069450][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 266.074639][ C1] __napi_poll+0xb3/0x6e0 [ 266.079024][ C1] net_rx_action+0x9c1/0xd90 [ 266.083637][ C1] ? napi_threaded_poll+0x520/0x520 [ 266.088843][ C1] ? __wake_up_locked_sync_key+0x20/0x20 [ 266.094479][ C1] ? sched_core_balance+0x9c0/0x9c0 [ 266.099677][ C1] __do_softirq+0x29b/0x9c2 [ 266.104180][ C1] ? __irq_exit_rcu+0x180/0x180 [ 266.109020][ C1] run_ksoftirqd+0x2d/0x60 [ 266.113422][ C1] smpboot_thread_fn+0x645/0x9c0 [ 266.118352][ C1] ? sort_range+0x30/0x30 [ 266.122686][ C1] kthread+0x2e9/0x3a0 [ 266.126744][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 266.132382][ C1] ret_from_fork+0x1f/0x30 [ 266.136798][ C1] [ 266.140096][ C1] Kernel Offset: disabled [ 266.144527][ C1] Rebooting in 86400 seconds..