./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