./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1708836497 <...> forked to background, child pid 3190 no interfaces have a carrier [ 26.321068][ T3191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.324099][ T3191] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.45' (ECDSA) to the list of known hosts. execve("./syz-executor1708836497", ["./syz-executor1708836497"], 0x7ffc36338160 /* 10 vars */) = 0 brk(NULL) = 0x555556540000 brk(0x555556540c40) = 0x555556540c40 arch_prctl(ARCH_SET_FS, 0x555556540300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1708836497", 4096) = 28 brk(0x555556561c40) = 0x555556561c40 brk(0x555556562000) = 0x555556562000 mprotect(0x7fe8dc74b000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached , child_tidptr=0x5555565405d0) = 3612 [pid 3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setsid() = 1 [pid 3612] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3612] unshare(CLONE_NEWNS) = 0 [pid 3612] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3612] unshare(CLONE_NEWIPC) = 0 [pid 3612] unshare(CLONE_NEWCGROUP) = 0 [pid 3612] unshare(CLONE_NEWUTS) = 0 [pid 3612] unshare(CLONE_SYSVSEM) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "16777216", 8) = 8 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "536870912", 9) = 9 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "8192", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3612] close(3) = 0 [pid 3612] getpid() = 1 [pid 3612] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [pid 3613] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x02\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3613] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("bond0"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3613] close(3) = 0 [pid 3613] close(4) = 0 [pid 3613] close(5) = 0 [pid 3613] close(6) = -1 EBADF (Bad file descriptor) [pid 3613] close(7) = -1 EBADF (Bad file descriptor) [pid 3613] close(8) = -1 EBADF (Bad file descriptor) [pid 3613] close(9) = -1 EBADF (Bad file descriptor) [pid 3613] close(10) = -1 EBADF (Bad file descriptor) [pid 3613] close(11) = -1 EBADF (Bad file descriptor) [pid 3613] close(12) = -1 EBADF (Bad file descriptor) [pid 3613] close(13) = -1 EBADF (Bad file descriptor) [pid 3613] close(14) = -1 EBADF (Bad file descriptor) [pid 3613] close(15) = -1 EBADF (Bad file descriptor) [pid 3613] close(16) = -1 EBADF (Bad file descriptor) [pid 3613] close(17) = -1 EBADF (Bad file descriptor) [pid 3613] close(18) = -1 EBADF (Bad file descriptor) [pid 3613] close(19) = -1 EBADF (Bad file descriptor) [pid 3613] close(20) = -1 EBADF (Bad file descriptor) [pid 3613] close(21) = -1 EBADF (Bad file descriptor) [pid 3613] close(22) = -1 EBADF (Bad file descriptor) [pid 3613] close(23) = -1 EBADF (Bad file descriptor) [pid 3613] close(24) = -1 EBADF (Bad file descriptor) [pid 3613] close(25) = -1 EBADF (Bad file descriptor) [pid 3613] close(26) = -1 EBADF (Bad file descriptor) [pid 3613] close(27) = -1 EBADF (Bad file descriptor) [pid 3613] close(28) = -1 EBADF (Bad file descriptor) [pid 3613] close(29) = -1 EBADF (Bad file descriptor) [pid 3613] exit_group(0) = ? [pid 3613] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565405d0) = 3 ./strace-static-x86_64: Process 3614 attached [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] setpgid(0, 0) = 0 [pid 3614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1000", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3614] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3614] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3614] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3614] getsockname(5, {sa_family=AF_NETLINK, nl_pid=3, nl_groups=00000000}, [20 => 12]) = 0 [pid 3614] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x03\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3614] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("dummy0"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3614] close(3) = 0 [pid 3614] close(4) = 0 [pid 3614] close(5) = 0 [pid 3614] close(6) = -1 EBADF (Bad file descriptor) [pid 3614] close(7) = -1 EBADF (Bad file descriptor) [pid 3614] close(8) = -1 EBADF (Bad file descriptor) [pid 3614] close(9) = -1 EBADF (Bad file descriptor) [pid 3614] close(10) = -1 EBADF (Bad file descriptor) [pid 3614] close(11) = -1 EBADF (Bad file descriptor) [pid 3614] close(12) = -1 EBADF (Bad file descriptor) [pid 3614] close(13) = -1 EBADF (Bad file descriptor) [pid 3614] close(14) = -1 EBADF (Bad file descriptor) [pid 3614] close(15) = -1 EBADF (Bad file descriptor) [pid 3614] close(16) = -1 EBADF (Bad file descriptor) [pid 3614] close(17) = -1 EBADF (Bad file descriptor) [pid 3614] close(18) = -1 EBADF (Bad file descriptor) [pid 3614] close(19) = -1 EBADF (Bad file descriptor) [pid 3614] close(20) = -1 EBADF (Bad file descriptor) [pid 3614] close(21) = -1 EBADF (Bad file descriptor) [pid 3614] close(22) = -1 EBADF (Bad file descriptor) [pid 3614] close(23) = -1 EBADF (Bad file descriptor) [pid 3614] close(24) = -1 EBADF (Bad file descriptor) [pid 3614] close(25) = -1 EBADF (Bad file descriptor) [pid 3614] close(26) = -1 EBADF (Bad file descriptor) [pid 3614] close(27) = -1 EBADF (Bad file descriptor) [pid 3614] close(28) = -1 EBADF (Bad file descriptor) [pid 3614] close(29) = -1 EBADF (Bad file descriptor) [pid 3614] exit_group(0) = ? [pid 3614] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565405d0) = 4 ./strace-static-x86_64: Process 3615 attached [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] setpgid(0, 0) = 0 [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1000", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3615] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3615] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3615] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3615] getsockname(5, {sa_family=AF_NETLINK, nl_pid=4, nl_groups=00000000}, [20 => 12]) = 0 [pid 3615] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x04\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3615] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("eql"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3615] close(3) = 0 [pid 3615] close(4) = 0 [pid 3615] close(5) = 0 [pid 3615] close(6) = -1 EBADF (Bad file descriptor) [pid 3615] close(7) = -1 EBADF (Bad file descriptor) [pid 3615] close(8) = -1 EBADF (Bad file descriptor) [pid 3615] close(9) = -1 EBADF (Bad file descriptor) [pid 3615] close(10) = -1 EBADF (Bad file descriptor) [pid 3615] close(11) = -1 EBADF (Bad file descriptor) [pid 3615] close(12) = -1 EBADF (Bad file descriptor) [pid 3615] close(13) = -1 EBADF (Bad file descriptor) [pid 3615] close(14) = -1 EBADF (Bad file descriptor) [pid 3615] close(15) = -1 EBADF (Bad file descriptor) [pid 3615] close(16) = -1 EBADF (Bad file descriptor) [pid 3615] close(17) = -1 EBADF (Bad file descriptor) [pid 3615] close(18) = -1 EBADF (Bad file descriptor) [pid 3615] close(19) = -1 EBADF (Bad file descriptor) [pid 3615] close(20) = -1 EBADF (Bad file descriptor) [pid 3615] close(21) = -1 EBADF (Bad file descriptor) [pid 3615] close(22) = -1 EBADF (Bad file descriptor) [pid 3615] close(23) = -1 EBADF (Bad file descriptor) [pid 3615] close(24) = -1 EBADF (Bad file descriptor) [pid 3615] close(25) = -1 EBADF (Bad file descriptor) [pid 3615] close(26) = -1 EBADF (Bad file descriptor) [pid 3615] close(27) = -1 EBADF (Bad file descriptor) [pid 3615] close(28) = -1 EBADF (Bad file descriptor) [pid 3615] close(29) = -1 EBADF (Bad file descriptor) [pid 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565405d0) = 5 ./strace-static-x86_64: Process 3616 attached [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3616] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3616] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3616] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3616] getsockname(5, {sa_family=AF_NETLINK, nl_pid=5, nl_groups=00000000}, [20 => 12]) = 0 [pid 3616] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x05\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3616] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("ifb0"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3616] close(3) = 0 [pid 3616] close(4) = 0 [pid 3616] close(5) = 0 [pid 3616] close(6) = -1 EBADF (Bad file descriptor) [pid 3616] close(7) = -1 EBADF (Bad file descriptor) [pid 3616] close(8) = -1 EBADF (Bad file descriptor) [pid 3616] close(9) = -1 EBADF (Bad file descriptor) [pid 3616] close(10) = -1 EBADF (Bad file descriptor) [pid 3616] close(11) = -1 EBADF (Bad file descriptor) [pid 3616] close(12) = -1 EBADF (Bad file descriptor) [pid 3616] close(13) = -1 EBADF (Bad file descriptor) [pid 3616] close(14) = -1 EBADF (Bad file descriptor) [pid 3616] close(15) = -1 EBADF (Bad file descriptor) [pid 3616] close(16) = -1 EBADF (Bad file descriptor) [pid 3616] close(17) = -1 EBADF (Bad file descriptor) [pid 3616] close(18) = -1 EBADF (Bad file descriptor) [pid 3616] close(19) = -1 EBADF (Bad file descriptor) [pid 3616] close(20) = -1 EBADF (Bad file descriptor) [pid 3616] close(21) = -1 EBADF (Bad file descriptor) [pid 3616] close(22) = -1 EBADF (Bad file descriptor) [pid 3616] close(23) = -1 EBADF (Bad file descriptor) [pid 3616] close(24) = -1 EBADF (Bad file descriptor) [pid 3616] close(25) = -1 EBADF (Bad file descriptor) [pid 3616] close(26) = -1 EBADF (Bad file descriptor) [pid 3616] close(27) = -1 EBADF (Bad file descriptor) [pid 3616] close(28) = -1 EBADF (Bad file descriptor) [pid 3616] close(29) = -1 EBADF (Bad file descriptor) [pid 3616] exit_group(0) = ? [pid 3616] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565405d0) = 6 ./strace-static-x86_64: Process 3617 attached [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] setpgid(0, 0) = 0 [pid 3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1000", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3617] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3617] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3617] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3617] getsockname(5, {sa_family=AF_NETLINK, nl_pid=6, nl_groups=00000000}, [20 => 12]) = 0 [pid 3617] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x06\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3617] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("ifb1"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3617] close(3) = 0 [pid 3617] close(4) = 0 [pid 3617] close(5) = 0 [pid 3617] close(6) = -1 EBADF (Bad file descriptor) [pid 3617] close(7) = -1 EBADF (Bad file descriptor) [pid 3617] close(8) = -1 EBADF (Bad file descriptor) [pid 3617] close(9) = -1 EBADF (Bad file descriptor) [pid 3617] close(10) = -1 EBADF (Bad file descriptor) [pid 3617] close(11) = -1 EBADF (Bad file descriptor) [pid 3617] close(12) = -1 EBADF (Bad file descriptor) [pid 3617] close(13) = -1 EBADF (Bad file descriptor) [pid 3617] close(14) = -1 EBADF (Bad file descriptor) [pid 3617] close(15) = -1 EBADF (Bad file descriptor) [pid 3617] close(16) = -1 EBADF (Bad file descriptor) [pid 3617] close(17) = -1 EBADF (Bad file descriptor) [pid 3617] close(18) = -1 EBADF (Bad file descriptor) [pid 3617] close(19) = -1 EBADF (Bad file descriptor) [pid 3617] close(20) = -1 EBADF (Bad file descriptor) [pid 3617] close(21) = -1 EBADF (Bad file descriptor) [pid 3617] close(22) = -1 EBADF (Bad file descriptor) [pid 3617] close(23) = -1 EBADF (Bad file descriptor) [pid 3617] close(24) = -1 EBADF (Bad file descriptor) [pid 3617] close(25) = -1 EBADF (Bad file descriptor) [pid 3617] close(26) = -1 EBADF (Bad file descriptor) [pid 3617] close(27) = -1 EBADF (Bad file descriptor) [pid 3617] close(28) = -1 EBADF (Bad file descriptor) [pid 3617] close(29) = -1 EBADF (Bad file descriptor) [pid 3617] exit_group(0) = ? [pid 3617] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3618 attached , child_tidptr=0x5555565405d0) = 7 [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3618] setpgid(0, 0) = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3618] write(3, "1000", 4) = 4 [pid 3618] close(3) = 0 [pid 3618] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3618] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3618] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3618] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3618] getsockname(5, {sa_family=AF_NETLINK, nl_pid=7, nl_groups=00000000}, [20 => 12]) = 0 [pid 3618] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x07\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3618] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("eth0"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3618] close(3) = 0 [pid 3618] close(4) = 0 [pid 3618] close(5) = 0 [pid 3618] close(6) = -1 EBADF (Bad file descriptor) [pid 3618] close(7) = -1 EBADF (Bad file descriptor) [pid 3618] close(8) = -1 EBADF (Bad file descriptor) [pid 3618] close(9) = -1 EBADF (Bad file descriptor) [pid 3618] close(10) = -1 EBADF (Bad file descriptor) [pid 3618] close(11) = -1 EBADF (Bad file descriptor) [pid 3618] close(12) = -1 EBADF (Bad file descriptor) [pid 3618] close(13) = -1 EBADF (Bad file descriptor) [pid 3618] close(14) = -1 EBADF (Bad file descriptor) [pid 3618] close(15) = -1 EBADF (Bad file descriptor) [pid 3618] close(16) = -1 EBADF (Bad file descriptor) [pid 3618] close(17) = -1 EBADF (Bad file descriptor) [pid 3618] close(18) = -1 EBADF (Bad file descriptor) [pid 3618] close(19) = -1 EBADF (Bad file descriptor) [pid 3618] close(20) = -1 EBADF (Bad file descriptor) [pid 3618] close(21) = -1 EBADF (Bad file descriptor) [pid 3618] close(22) = -1 EBADF (Bad file descriptor) [pid 3618] close(23) = -1 EBADF (Bad file descriptor) [pid 3618] close(24) = -1 EBADF (Bad file descriptor) [pid 3618] close(25) = -1 EBADF (Bad file descriptor) [pid 3618] close(26) = -1 EBADF (Bad file descriptor) [pid 3618] close(27) = -1 EBADF (Bad file descriptor) [pid 3618] close(28) = -1 EBADF (Bad file descriptor) [pid 3618] close(29) = -1 EBADF (Bad file descriptor) [pid 3618] exit_group(0) = ? [pid 3618] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3619 attached , child_tidptr=0x5555565405d0) = 8 [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3619] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3619] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3619] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3619] getsockname(5, {sa_family=AF_NETLINK, nl_pid=8, nl_groups=00000000}, [20 => 12]) = 0 [pid 3619] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x08\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3619] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("wlan0"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3619] close(3) = 0 [pid 3619] close(4) = 0 [pid 3619] close(5) = 0 [pid 3619] close(6) = -1 EBADF (Bad file descriptor) [pid 3619] close(7) = -1 EBADF (Bad file descriptor) [pid 3619] close(8) = -1 EBADF (Bad file descriptor) [pid 3619] close(9) = -1 EBADF (Bad file descriptor) [pid 3619] close(10) = -1 EBADF (Bad file descriptor) [pid 3619] close(11) = -1 EBADF (Bad file descriptor) [pid 3619] close(12) = -1 EBADF (Bad file descriptor) [pid 3619] close(13) = -1 EBADF (Bad file descriptor) [pid 3619] close(14) = -1 EBADF (Bad file descriptor) [pid 3619] close(15) = -1 EBADF (Bad file descriptor) [pid 3619] close(16) = -1 EBADF (Bad file descriptor) [pid 3619] close(17) = -1 EBADF (Bad file descriptor) [pid 3619] close(18) = -1 EBADF (Bad file descriptor) [pid 3619] close(19) = -1 EBADF (Bad file descriptor) [pid 3619] close(20) = -1 EBADF (Bad file descriptor) [pid 3619] close(21) = -1 EBADF (Bad file descriptor) [pid 3619] close(22) = -1 EBADF (Bad file descriptor) [pid 3619] close(23) = -1 EBADF (Bad file descriptor) [pid 3619] close(24) = -1 EBADF (Bad file descriptor) [pid 3619] close(25) = -1 EBADF (Bad file descriptor) [pid 3619] close(26) = -1 EBADF (Bad file descriptor) [pid 3619] close(27) = -1 EBADF (Bad file descriptor) [pid 3619] close(28) = -1 EBADF (Bad file descriptor) [pid 3619] close(29) = -1 EBADF (Bad file descriptor) [pid 3619] exit_group(0) = ? [pid 3619] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3620 attached , child_tidptr=0x5555565405d0) = 9 [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] setpgid(0, 0) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] write(3, "1000", 4) = 4 [pid 3620] close(3) = 0 [pid 3620] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3620] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3620] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3620] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3620] getsockname(5, {sa_family=AF_NETLINK, nl_pid=9, nl_groups=00000000}, [20 => 12]) = 0 [pid 3620] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x09\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3620] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("wlan1"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3620] close(3) = 0 [pid 3620] close(4) = 0 [pid 3620] close(5) = 0 [pid 3620] close(6) = -1 EBADF (Bad file descriptor) [pid 3620] close(7) = -1 EBADF (Bad file descriptor) [pid 3620] close(8) = -1 EBADF (Bad file descriptor) [pid 3620] close(9) = -1 EBADF (Bad file descriptor) [pid 3620] close(10) = -1 EBADF (Bad file descriptor) [pid 3620] close(11) = -1 EBADF (Bad file descriptor) [pid 3620] close(12) = -1 EBADF (Bad file descriptor) [pid 3620] close(13) = -1 EBADF (Bad file descriptor) [pid 3620] close(14) = -1 EBADF (Bad file descriptor) [pid 3620] close(15) = -1 EBADF (Bad file descriptor) [pid 3620] close(16) = -1 EBADF (Bad file descriptor) [pid 3620] close(17) = -1 EBADF (Bad file descriptor) [pid 3620] close(18) = -1 EBADF (Bad file descriptor) [pid 3620] close(19) = -1 EBADF (Bad file descriptor) [pid 3620] close(20) = -1 EBADF (Bad file descriptor) [pid 3620] close(21) = -1 EBADF (Bad file descriptor) [pid 3620] close(22) = -1 EBADF (Bad file descriptor) [pid 3620] close(23) = -1 EBADF (Bad file descriptor) [pid 3620] close(24) = -1 EBADF (Bad file descriptor) [pid 3620] close(25) = -1 EBADF (Bad file descriptor) [pid 3620] close(26) = -1 EBADF (Bad file descriptor) [pid 3620] close(27) = -1 EBADF (Bad file descriptor) [pid 3620] close(28) = -1 EBADF (Bad file descriptor) [pid 3620] close(29) = -1 EBADF (Bad file descriptor) [pid 3620] exit_group(0) = ? [pid 3620] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565405d0) = 10 ./strace-static-x86_64: Process 3621 attached [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3621] setpgid(0, 0) = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3621] write(3, "1000", 4) = 4 [pid 3621] close(3) = 0 [pid 3621] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3621] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3621] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3621] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3621] getsockname(5, {sa_family=AF_NETLINK, nl_pid=10, nl_groups=00000000}, [20 => 12]) = 0 [pid 3621] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x0a\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 [pid 3621] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("224.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP, cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("hwsim0"), ipi_spec_dst=inet_addr("0.0.0.0"), ipi_addr=inet_addr("172.20.20.187")}}], msg_controllen=32, msg_flags=0}}], 1, 0) = -1 ENETUNREACH (Network is unreachable) [pid 3621] close(3) = 0 [pid 3621] close(4) = 0 [pid 3621] close(5) = 0 [pid 3621] close(6) = -1 EBADF (Bad file descriptor) [pid 3621] close(7) = -1 EBADF (Bad file descriptor) [pid 3621] close(8) = -1 EBADF (Bad file descriptor) [pid 3621] close(9) = -1 EBADF (Bad file descriptor) [pid 3621] close(10) = -1 EBADF (Bad file descriptor) [pid 3621] close(11) = -1 EBADF (Bad file descriptor) [pid 3621] close(12) = -1 EBADF (Bad file descriptor) [pid 3621] close(13) = -1 EBADF (Bad file descriptor) [pid 3621] close(14) = -1 EBADF (Bad file descriptor) [pid 3621] close(15) = -1 EBADF (Bad file descriptor) [pid 3621] close(16) = -1 EBADF (Bad file descriptor) [pid 3621] close(17) = -1 EBADF (Bad file descriptor) [pid 3621] close(18) = -1 EBADF (Bad file descriptor) [pid 3621] close(19) = -1 EBADF (Bad file descriptor) [pid 3621] close(20) = -1 EBADF (Bad file descriptor) [pid 3621] close(21) = -1 EBADF (Bad file descriptor) [pid 3621] close(22) = -1 EBADF (Bad file descriptor) [pid 3621] close(23) = -1 EBADF (Bad file descriptor) [pid 3621] close(24) = -1 EBADF (Bad file descriptor) [pid 3621] close(25) = -1 EBADF (Bad file descriptor) [pid 3621] close(26) = -1 EBADF (Bad file descriptor) [pid 3621] close(27) = -1 EBADF (Bad file descriptor) [pid 3621] close(28) = -1 EBADF (Bad file descriptor) [pid 3621] close(29) = -1 EBADF (Bad file descriptor) [pid 3621] exit_group(0) = ? [pid 3621] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3622 attached , child_tidptr=0x5555565405d0) = 11 [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setpgid(0, 0) = 0 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1000", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3622] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3622] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3622] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 3622] getsockname(5, {sa_family=AF_NETLINK, nl_pid=11, nl_groups=00000000}, [20 => 12]) = 0 [pid 3622] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x60\x00\x00\x00\x10\x00\x39\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x98\x00\x00\x00\x00\x00\x00\x40\x00\x12\x80\x08\x00\x01\x00\x73\x69\x74\x00\x34\x00\x02\x80\x08\x00\x01\x00\x0b\x00\x00\x00\x06\x00\x0f\x00\x02\x00\x00\x00\x06\x00\x11\x00\x4e\x21\x00\x00\x06\x00\x11\x00\x4e\x24\x00\x00\x08\x00\x02\x00\xac\x14\x14\x16\x06\x00\x10\x00\xff\x0f\x00\x00", iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_PROBE|MSG_EOR|MSG_CONFIRM|MSG_MORE|MSG_BATCH|MSG_FASTOPEN) = 96 syzkaller login: [ 49.564173][ T3622] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 49.564593][ T3622] skbuff: skb_under_panic: text:ffffffff87f5c130 len:48 put:8 head:ffff8880786d3c00 data:ffff8880786d3bfc tail:0x2c end:0xc0 dev:sit1 [ 49.565012][ T3622] ------------[ cut here ]------------ [ 49.565016][ T3622] kernel BUG at net/core/skbuff.c:113! [ 49.565031][ T3622] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 49.613905][ T3622] CPU: 1 PID: 3622 Comm: syz-executor170 Not tainted 5.19.0-rc1-syzkaller-00303-g7a68065eb9cd #0 [ 49.624393][ T3622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.634452][ T3622] RIP: 0010:skb_panic+0x16c/0x16e [ 49.639484][ T3622] Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 ba d2 8a ff 74 24 10 ff 74 24 20 e8 02 0a c1 ff <0f> 0b e8 90 a4 08 f8 4c 8b 64 24 18 e8 96 5e 55 f8 48 c7 c1 00 c8 [ 49.659086][ T3622] RSP: 0018:ffffc900030aeb20 EFLAGS: 00010286 [ 49.665154][ T3622] RAX: 0000000000000083 RBX: ffff88807130b000 RCX: 0000000000000000 [ 49.673120][ T3622] RDX: ffff88801bb09d80 RSI: ffffffff8160dc48 RDI: fffff52000615d56 [ 49.681085][ T3622] RBP: ffffffff8ad2c800 R08: 0000000000000083 R09: 0000000000000000 [ 49.689065][ T3622] R10: 0000000080000400 R11: 0000000000000000 R12: ffffffff87f5c130 [ 49.697029][ T3622] R13: 0000000000000008 R14: ffff88801d1c8000 R15: 00000000000000c0 [ 49.705023][ T3622] FS: 0000555556540300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 49.713973][ T3622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.720566][ T3622] CR2: 00000000200017c0 CR3: 0000000071342000 CR4: 00000000003506e0 [ 49.728552][ T3622] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.736529][ T3622] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.744524][ T3622] Call Trace: [ 49.747790][ T3622] [ 49.750711][ T3622] ? fou_build_udp+0x30/0x370 [ 49.755395][ T3622] skb_push.cold+0x24/0x24 [ 49.759913][ T3622] fou_build_udp+0x30/0x370 [ 49.764428][ T3622] gue_build_header+0xf7/0x140 [ 49.769186][ T3622] ? __gue_build_header+0x820/0x820 [ 49.774385][ T3622] ? __gue_build_header+0x820/0x820 [ 49.779585][ T3622] ip_tunnel_xmit+0x60f/0x2c00 [ 49.784377][ T3622] ? ip_md_tunnel_xmit+0x1510/0x1510 [ 49.789677][ T3622] sit_tunnel_xmit+0x50f/0x2b80 [ 49.794524][ T3622] ? ipip6_tunnel_unlink+0x270/0x270 [ 49.799799][ T3622] ? skb_crc32c_csum_help+0x70/0x70 [ 49.804995][ T3622] dev_hard_start_xmit+0x188/0x880 [ 49.810112][ T3622] __dev_queue_xmit+0x2b1d/0x3900 [ 49.815163][ T3622] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 49.820451][ T3622] ? find_held_lock+0x2d/0x110 [ 49.825214][ T3622] ? ip_finish_output2+0x782/0x2170 [ 49.830417][ T3622] ? lock_downgrade+0x6e0/0x6e0 [ 49.835259][ T3622] ? __local_bh_enable_ip+0xa0/0x120 [ 49.840533][ T3622] ? lockdep_hardirqs_on+0x79/0x100 [ 49.845750][ T3622] ? ___neigh_create+0x1820/0x2990 [ 49.850867][ T3622] ? neigh_connected_output+0x41a/0x520 [ 49.856406][ T3622] ? neigh_connected_output+0x41a/0x520 [ 49.861959][ T3622] neigh_connected_output+0x3c0/0x520 [ 49.867335][ T3622] ip_finish_output2+0x782/0x2170 [ 49.872368][ T3622] ? nf_hook+0x20d/0x5b0 [ 49.876607][ T3622] ? ip_fragment.constprop.0+0x240/0x240 [ 49.882320][ T3622] ? ip_mc_finish_output+0x5a0/0x5a0 [ 49.887613][ T3622] ? netif_rx+0x31e/0x5a0 [ 49.891932][ T3622] ? __local_bh_enable_ip+0xa0/0x120 [ 49.897219][ T3622] __ip_finish_output+0x396/0x650 [ 49.902238][ T3622] ip_finish_output+0x32/0x280 [ 49.907033][ T3622] ip_mc_output+0x21b/0x700 [ 49.911576][ T3622] ip_send_skb+0xd4/0x260 [ 49.915919][ T3622] udp_send_skb+0x725/0x1430 [ 49.920505][ T3622] udp_sendmsg+0x1bee/0x2760 [ 49.925093][ T3622] ? ip_setup_cork+0x970/0x970 [ 49.929870][ T3622] ? udp_unicast_rcv_skb+0x330/0x330 [ 49.935151][ T3622] ? lock_chain_count+0x20/0x20 [ 49.939999][ T3622] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.945982][ T3622] ? lock_chain_count+0x20/0x20 [ 49.950838][ T3622] ? __lock_acquire+0x163e/0x5660 [ 49.955865][ T3622] udpv6_sendmsg+0x17df/0x2c90 [ 49.960620][ T3622] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.966604][ T3622] ? udp_v6_push_pending_frames+0x200/0x200 [ 49.972509][ T3622] ? __local_bh_enable_ip+0xa0/0x120 [ 49.977789][ T3622] ? reacquire_held_locks+0x214/0x4e0 [ 49.983159][ T3622] ? release_sock+0x1b/0x1b0 [ 49.987744][ T3622] ? find_held_lock+0x2d/0x110 [ 49.992500][ T3622] ? inet_autobind+0x130/0x190 [ 49.997253][ T3622] ? lock_downgrade+0x6e0/0x6e0 [ 50.002099][ T3622] ? __local_bh_enable_ip+0xa0/0x120 [ 50.007398][ T3622] ? __local_bh_enable_ip+0xa0/0x120 [ 50.012704][ T3622] ? lockdep_hardirqs_on+0x79/0x100 [ 50.017903][ T3622] ? inet_autobind+0x130/0x190 [ 50.022708][ T3622] ? __local_bh_enable_ip+0xa0/0x120 [ 50.028002][ T3622] ? inet_autobind+0x135/0x190 [ 50.032756][ T3622] inet6_sendmsg+0x99/0xe0 [ 50.037164][ T3622] ? inet6_compat_ioctl+0x310/0x310 [ 50.042356][ T3622] sock_sendmsg+0xcf/0x120 [ 50.046764][ T3622] ____sys_sendmsg+0x334/0x810 [ 50.051522][ T3622] ? kernel_sendmsg+0x50/0x50 [ 50.058284][ T3622] ? do_recvmmsg+0x6d0/0x6d0 [ 50.062890][ T3622] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.068867][ T3622] ___sys_sendmsg+0xf3/0x170 [ 50.073451][ T3622] ? sendmsg_copy_msghdr+0x160/0x160 [ 50.078728][ T3622] ? __lock_acquire+0x163e/0x5660 [ 50.083759][ T3622] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.089759][ T3622] ? __pv_queued_spin_lock_slowpath+0x264/0xb50 [ 50.095994][ T3622] ? __fget_light+0x20a/0x270 [ 50.100668][ T3622] __sys_sendmmsg+0x195/0x470 [ 50.105341][ T3622] ? __ia32_sys_sendmsg+0x220/0x220 [ 50.110531][ T3622] ? _raw_spin_lock_irq+0x41/0x50 [ 50.115565][ T3622] ? find_held_lock+0x2d/0x110 [ 50.120323][ T3622] ? ptrace_notify+0xfa/0x140 [ 50.124993][ T3622] ? lock_downgrade+0x6e0/0x6e0 [ 50.129930][ T3622] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.135128][ T3622] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.140318][ T3622] ? lockdep_hardirqs_on+0x79/0x100 [ 50.145507][ T3622] __x64_sys_sendmmsg+0x99/0x100 [ 50.150439][ T3622] do_syscall_64+0x35/0xb0 [ 50.154874][ T3622] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 50.160764][ T3622] RIP: 0033:0x7fe8dc6de479 [ 50.165211][ T3622] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 50.184830][ T3622] RSP: 002b:00007ffe5b42c898 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 50.193261][ T3622] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe8dc6de479 [ 50.201228][ T3622] RDX: 0000000000000001 RSI: 00000000200017c0 RDI: 0000000000000003 [ 50.209187][ T3622] RBP: 0000000000000000 R08: 00000000dc74be40 R09: 00000000dc74be40 [ 50.217161][ T3622] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000c15a [ 50.225137][ T3622] R13: 00007ffe5b42c8c0 R14: 00007ffe5b42c8b0 R15: 00007ffe5b42c8a4 [ 50.233129][ T3622] [ 50.236142][ T3622] Modules linked in: [ 50.240078][ T3622] ---[ end trace 0000000000000000 ]--- [ 50.240095][ T3622] RIP: 0010:skb_panic+0x16c/0x16e [ 50.240135][ T3622] Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 e0 ba d2 8a ff 74 24 10 ff 74 24 20 e8 02 0a c1 ff <0f> 0b e8 90 a4 08 f8 4c 8b 64 24 18 e8 96 5e 55 f8 48 c7 c1 00 c8 [ 50.240157][ T3622] RSP: 0018:ffffc900030aeb20 EFLAGS: 00010286 [ 50.240176][ T3622] RAX: 0000000000000083 RBX: ffff88807130b000 RCX: 0000000000000000 [ 50.240192][ T3622] RDX: ffff88801bb09d80 RSI: ffffffff8160dc48 RDI: fffff52000615d56 [ 50.240206][ T3622] RBP: ffffffff8ad2c800 R08: 0000000000000083 R09: 0000000000000000 [ 50.240219][ T3622] R10: 0000000080000400 R11: 0000000000000000 R12: ffffffff87f5c130 [ 50.240231][ T3622] R13: 0000000000000008 R14: ffff88801d1c8000 R15: 00000000000000c0 [ 50.240243][ T3622] FS: 0000555556540300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 50.240263][ T3622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.240280][ T3622] CR2: 00000000200017c0 CR3: 0000000071342000 CR4: 00000000003506e0 [ 50.240292][ T3622] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.240304][ T3622] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.240320][ T3622] Kernel panic - not syncing: Fatal exception in interrupt [ 50.363015][ T3622] Kernel Offset: disabled [ 50.367339][ T3622] Rebooting in 86400 seconds..