./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1009079558 <...> Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. execve("./syz-executor1009079558", ["./syz-executor1009079558"], 0x7ffe40e1b4c0 /* 10 vars */) = 0 brk(NULL) = 0x555556106000 brk(0x555556106c40) = 0x555556106c40 arch_prctl(ARCH_SET_FS, 0x555556106300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1009079558", 4096) = 28 brk(0x555556127c40) = 0x555556127c40 brk(0x555556128000) = 0x555556128000 mprotect(0x7ff3d96ac000, 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 3608 attached , child_tidptr=0x5555561065d0) = 3608 [pid 3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setsid() = 1 [pid 3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3608] unshare(CLONE_NEWNS) = 0 [pid 3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3608] unshare(CLONE_NEWIPC) = 0 [pid 3608] unshare(CLONE_NEWCGROUP) = 0 [pid 3608] unshare(CLONE_NEWUTS) = 0 [pid 3608] unshare(CLONE_SYSVSEM) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "16777216", 8) = 8 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "536870912", 9) = 9 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "8192", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3608] close(3) = 0 [pid 3608] getpid() = 1 [pid 3608] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [pid 3609] 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 3609] 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 3609] close(3) = 0 [pid 3609] close(4) = 0 [pid 3609] close(5) = 0 [pid 3609] close(6) = -1 EBADF (Bad file descriptor) [pid 3609] close(7) = -1 EBADF (Bad file descriptor) [pid 3609] close(8) = -1 EBADF (Bad file descriptor) [pid 3609] close(9) = -1 EBADF (Bad file descriptor) [pid 3609] close(10) = -1 EBADF (Bad file descriptor) [pid 3609] close(11) = -1 EBADF (Bad file descriptor) [pid 3609] close(12) = -1 EBADF (Bad file descriptor) [pid 3609] close(13) = -1 EBADF (Bad file descriptor) [pid 3609] close(14) = -1 EBADF (Bad file descriptor) [pid 3609] close(15) = -1 EBADF (Bad file descriptor) [pid 3609] close(16) = -1 EBADF (Bad file descriptor) [pid 3609] close(17) = -1 EBADF (Bad file descriptor) [pid 3609] close(18) = -1 EBADF (Bad file descriptor) [pid 3609] close(19) = -1 EBADF (Bad file descriptor) [pid 3609] close(20) = -1 EBADF (Bad file descriptor) [pid 3609] close(21) = -1 EBADF (Bad file descriptor) [pid 3609] close(22) = -1 EBADF (Bad file descriptor) [pid 3609] close(23) = -1 EBADF (Bad file descriptor) [pid 3609] close(24) = -1 EBADF (Bad file descriptor) [pid 3609] close(25) = -1 EBADF (Bad file descriptor) [pid 3609] close(26) = -1 EBADF (Bad file descriptor) [pid 3609] close(27) = -1 EBADF (Bad file descriptor) [pid 3609] close(28) = -1 EBADF (Bad file descriptor) [pid 3609] close(29) = -1 EBADF (Bad file descriptor) [pid 3609] exit_group(0) = ? [pid 3609] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3610 attached , child_tidptr=0x5555561065d0) = 3 [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setpgid(0, 0) = 0 [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1000", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3610] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3610] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3610] 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 3610] getsockname(5, {sa_family=AF_NETLINK, nl_pid=3, nl_groups=00000000}, [20 => 12]) = 0 [pid 3610] 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 3610] 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 3610] close(3) = 0 [pid 3610] close(4) = 0 [pid 3610] close(5) = 0 [pid 3610] close(6) = -1 EBADF (Bad file descriptor) [pid 3610] close(7) = -1 EBADF (Bad file descriptor) [pid 3610] close(8) = -1 EBADF (Bad file descriptor) [pid 3610] close(9) = -1 EBADF (Bad file descriptor) [pid 3610] close(10) = -1 EBADF (Bad file descriptor) [pid 3610] close(11) = -1 EBADF (Bad file descriptor) [pid 3610] close(12) = -1 EBADF (Bad file descriptor) [pid 3610] close(13) = -1 EBADF (Bad file descriptor) [pid 3610] close(14) = -1 EBADF (Bad file descriptor) [pid 3610] close(15) = -1 EBADF (Bad file descriptor) [pid 3610] close(16) = -1 EBADF (Bad file descriptor) [pid 3610] close(17) = -1 EBADF (Bad file descriptor) [pid 3610] close(18) = -1 EBADF (Bad file descriptor) [pid 3610] close(19) = -1 EBADF (Bad file descriptor) [pid 3610] close(20) = -1 EBADF (Bad file descriptor) [pid 3610] close(21) = -1 EBADF (Bad file descriptor) [pid 3610] close(22) = -1 EBADF (Bad file descriptor) [pid 3610] close(23) = -1 EBADF (Bad file descriptor) [pid 3610] close(24) = -1 EBADF (Bad file descriptor) [pid 3610] close(25) = -1 EBADF (Bad file descriptor) [pid 3610] close(26) = -1 EBADF (Bad file descriptor) [pid 3610] close(27) = -1 EBADF (Bad file descriptor) [pid 3610] close(28) = -1 EBADF (Bad file descriptor) [pid 3610] close(29) = -1 EBADF (Bad file descriptor) [pid 3610] exit_group(0) = ? [pid 3610] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561065d0) = 4 ./strace-static-x86_64: Process 3611 attached [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] setpgid(0, 0) = 0 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3611] write(3, "1000", 4) = 4 [pid 3611] close(3) = 0 [pid 3611] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3611] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3611] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3611] 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 3611] getsockname(5, {sa_family=AF_NETLINK, nl_pid=4, nl_groups=00000000}, [20 => 12]) = 0 [pid 3611] 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 3611] 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 3611] close(3) = 0 [pid 3611] close(4) = 0 [pid 3611] close(5) = 0 [pid 3611] close(6) = -1 EBADF (Bad file descriptor) [pid 3611] close(7) = -1 EBADF (Bad file descriptor) [pid 3611] close(8) = -1 EBADF (Bad file descriptor) [pid 3611] close(9) = -1 EBADF (Bad file descriptor) [pid 3611] close(10) = -1 EBADF (Bad file descriptor) [pid 3611] close(11) = -1 EBADF (Bad file descriptor) [pid 3611] close(12) = -1 EBADF (Bad file descriptor) [pid 3611] close(13) = -1 EBADF (Bad file descriptor) [pid 3611] close(14) = -1 EBADF (Bad file descriptor) [pid 3611] close(15) = -1 EBADF (Bad file descriptor) [pid 3611] close(16) = -1 EBADF (Bad file descriptor) [pid 3611] close(17) = -1 EBADF (Bad file descriptor) [pid 3611] close(18) = -1 EBADF (Bad file descriptor) [pid 3611] close(19) = -1 EBADF (Bad file descriptor) [pid 3611] close(20) = -1 EBADF (Bad file descriptor) [pid 3611] close(21) = -1 EBADF (Bad file descriptor) [pid 3611] close(22) = -1 EBADF (Bad file descriptor) [pid 3611] close(23) = -1 EBADF (Bad file descriptor) [pid 3611] close(24) = -1 EBADF (Bad file descriptor) [pid 3611] close(25) = -1 EBADF (Bad file descriptor) [pid 3611] close(26) = -1 EBADF (Bad file descriptor) [pid 3611] close(27) = -1 EBADF (Bad file descriptor) [pid 3611] close(28) = -1 EBADF (Bad file descriptor) [pid 3611] close(29) = -1 EBADF (Bad file descriptor) [pid 3611] exit_group(0) = ? [pid 3611] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561065d0) = 5 ./strace-static-x86_64: Process 3612 attached [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3612] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3612] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3612] 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 3612] getsockname(5, {sa_family=AF_NETLINK, nl_pid=5, nl_groups=00000000}, [20 => 12]) = 0 [pid 3612] 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 3612] 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 3612] close(3) = 0 [pid 3612] close(4) = 0 [pid 3612] close(5) = 0 [pid 3612] close(6) = -1 EBADF (Bad file descriptor) [pid 3612] close(7) = -1 EBADF (Bad file descriptor) [pid 3612] close(8) = -1 EBADF (Bad file descriptor) [pid 3612] close(9) = -1 EBADF (Bad file descriptor) [pid 3612] close(10) = -1 EBADF (Bad file descriptor) [pid 3612] close(11) = -1 EBADF (Bad file descriptor) [pid 3612] close(12) = -1 EBADF (Bad file descriptor) [pid 3612] close(13) = -1 EBADF (Bad file descriptor) [pid 3612] close(14) = -1 EBADF (Bad file descriptor) [pid 3612] close(15) = -1 EBADF (Bad file descriptor) [pid 3612] close(16) = -1 EBADF (Bad file descriptor) [pid 3612] close(17) = -1 EBADF (Bad file descriptor) [pid 3612] close(18) = -1 EBADF (Bad file descriptor) [pid 3612] close(19) = -1 EBADF (Bad file descriptor) [pid 3612] close(20) = -1 EBADF (Bad file descriptor) [pid 3612] close(21) = -1 EBADF (Bad file descriptor) [pid 3612] close(22) = -1 EBADF (Bad file descriptor) [pid 3612] close(23) = -1 EBADF (Bad file descriptor) [pid 3612] close(24) = -1 EBADF (Bad file descriptor) [pid 3612] close(25) = -1 EBADF (Bad file descriptor) [pid 3612] close(26) = -1 EBADF (Bad file descriptor) [pid 3612] close(27) = -1 EBADF (Bad file descriptor) [pid 3612] close(28) = -1 EBADF (Bad file descriptor) [pid 3612] close(29) = -1 EBADF (Bad file descriptor) [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3613 attached , child_tidptr=0x5555561065d0) = 6 [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] setpgid(0, 0) = 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1000", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3 [pid 3613] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 3613] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 3613] 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 3613] getsockname(5, {sa_family=AF_NETLINK, nl_pid=6, nl_groups=00000000}, [20 => 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\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 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("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 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561065d0) = 7 ./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=7, 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\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 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("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 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561065d0) = 8 ./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=8, 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\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 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("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 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561065d0) = 9 ./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=9, 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\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 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("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 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561065d0) = 10 ./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=10, 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\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 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("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 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 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3618 attached , child_tidptr=0x5555561065d0) = 11 [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=11, 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\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: [ 42.650220][ T3618] 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. [ 42.669501][ T3618] skbuff: skb_under_panic: text:ffffffff87f62860 len:48 put:8 head:ffff88807963b800 data:ffff88807963b7fc tail:0x2c end:0xc0 dev:sit1 [ 42.683992][ T3618] ------------[ cut here ]------------ [ 42.689476][ T3618] kernel BUG at net/core/skbuff.c:113! [ 42.695113][ T3618] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 42.701363][ T3618] CPU: 1 PID: 3618 Comm: syz-executor100 Not tainted 5.19.0-rc7-syzkaller-00135-g68e77ffbfd06 #0 [ 42.712052][ T3618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 42.722293][ T3618] RIP: 0010:skb_panic+0x16c/0x16e [ 42.727414][ T3618] 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 a0 ed d2 8a ff 74 24 10 ff 74 24 20 e8 a8 0a c1 ff <0f> 0b e8 2e 1d 08 f8 4c 8b 64 24 18 e8 84 f1 54 f8 48 c7 c1 c0 fa [ 42.747070][ T3618] RSP: 0018:ffffc90002fbeb20 EFLAGS: 00010286 [ 42.753140][ T3618] RAX: 0000000000000083 RBX: ffff888026aabc80 RCX: 0000000000000000 [ 42.761186][ T3618] RDX: ffff88801fc7bb00 RSI: ffffffff8160d1a8 RDI: fffff520005f7d56 [ 42.769172][ T3618] RBP: ffffffff8ad2fac0 R08: 0000000000000083 R09: 0000000000000000 [ 42.777147][ T3618] R10: 0000000080000400 R11: 0000000000000001 R12: ffffffff87f62860 [ 42.785419][ T3618] R13: 0000000000000008 R14: ffff888074f0c000 R15: 00000000000000c0 [ 42.793391][ T3618] FS: 0000555556106300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 42.802577][ T3618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.809184][ T3618] CR2: 00000000200017c0 CR3: 000000001f730000 CR4: 0000000000350ee0 [ 42.817166][ T3618] Call Trace: [ 42.820441][ T3618] [ 42.823406][ T3618] ? fou_build_udp+0x30/0x370 [ 42.828075][ T3618] skb_push.cold+0x24/0x24 [ 42.832495][ T3618] fou_build_udp+0x30/0x370 [ 42.836986][ T3618] gue_build_header+0xf7/0x140 [ 42.841735][ T3618] ? __gue_build_header+0x820/0x820 [ 42.846923][ T3618] ? __gue_build_header+0x820/0x820 [ 42.852113][ T3618] ip_tunnel_xmit+0x60f/0x2c00 [ 42.856884][ T3618] ? ip_md_tunnel_xmit+0x1510/0x1510 [ 42.862164][ T3618] sit_tunnel_xmit+0x50f/0x2b80 [ 42.867016][ T3618] ? ipip6_tunnel_unlink+0x270/0x270 [ 42.872293][ T3618] ? skb_crc32c_csum_help+0x70/0x70 [ 42.877605][ T3618] dev_hard_start_xmit+0x188/0x880 [ 42.882725][ T3618] __dev_queue_xmit+0x2b1d/0x3900 [ 42.887769][ T3618] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 42.893046][ T3618] ? find_held_lock+0x2d/0x110 [ 42.897817][ T3618] ? ip_finish_output2+0x782/0x2170 [ 42.903002][ T3618] ? lock_downgrade+0x6e0/0x6e0 [ 42.907913][ T3618] ? __local_bh_enable_ip+0xa0/0x120 [ 42.913215][ T3618] ? lockdep_hardirqs_on+0x79/0x100 [ 42.918412][ T3618] ? ___neigh_create+0x1820/0x2990 [ 42.923885][ T3618] ? neigh_connected_output+0x41a/0x520 [ 42.929443][ T3618] ? neigh_connected_output+0x41a/0x520 [ 42.935069][ T3618] neigh_connected_output+0x3c0/0x520 [ 42.940536][ T3618] ip_finish_output2+0x782/0x2170 [ 42.945603][ T3618] ? nf_hook+0x20d/0x5b0 [ 42.949866][ T3618] ? ip_fragment.constprop.0+0x240/0x240 [ 42.955495][ T3618] ? ip_mc_finish_output+0x5a0/0x5a0 [ 42.960769][ T3618] ? netif_rx+0x31e/0x5a0 [ 42.965100][ T3618] ? __local_bh_enable_ip+0xa0/0x120 [ 42.970429][ T3618] __ip_finish_output+0x396/0x650 [ 42.975470][ T3618] ip_finish_output+0x32/0x280 [ 42.980330][ T3618] ip_mc_output+0x21b/0x700 [ 42.984893][ T3618] ip_send_skb+0xd4/0x260 [ 42.989235][ T3618] udp_send_skb+0x725/0x1430 [ 42.993938][ T3618] udp_sendmsg+0x1bee/0x2760 [ 42.998537][ T3618] ? ip_setup_cork+0x970/0x970 [ 43.003298][ T3618] ? udp_unicast_rcv_skb+0x330/0x330 [ 43.008617][ T3618] ? lock_chain_count+0x20/0x20 [ 43.013473][ T3618] ? finish_task_switch.isra.0+0x2af/0xbb0 [ 43.019301][ T3618] ? __switch_to+0x5cc/0x1060 [ 43.023980][ T3618] ? __schedule+0xa08/0x4b50 [ 43.028563][ T3618] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 43.034532][ T3618] ? __lock_acquire+0x163e/0x5660 [ 43.039546][ T3618] udpv6_sendmsg+0x17df/0x2c90 [ 43.044309][ T3618] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 43.050318][ T3618] ? udp_v6_push_pending_frames+0x200/0x200 [ 43.056201][ T3618] ? reacquire_held_locks+0x214/0x4e0 [ 43.061585][ T3618] ? release_sock+0x1b/0x1b0 [ 43.066190][ T3618] ? find_held_lock+0x2d/0x110 [ 43.070973][ T3618] ? inet_autobind+0x130/0x190 [ 43.075773][ T3618] ? lock_downgrade+0x6e0/0x6e0 [ 43.080637][ T3618] ? __local_bh_enable_ip+0xa0/0x120 [ 43.085910][ T3618] ? __local_bh_enable_ip+0xa0/0x120 [ 43.091185][ T3618] ? lockdep_hardirqs_on+0x79/0x100 [ 43.096389][ T3618] ? inet_autobind+0x130/0x190 [ 43.101174][ T3618] ? __local_bh_enable_ip+0xa0/0x120 [ 43.106449][ T3618] ? inet_autobind+0x135/0x190 [ 43.111224][ T3618] inet6_sendmsg+0x99/0xe0 [ 43.115643][ T3618] ? inet6_compat_ioctl+0x310/0x310 [ 43.120854][ T3618] sock_sendmsg+0xcf/0x120 [ 43.125259][ T3618] ____sys_sendmsg+0x334/0x810 [ 43.130190][ T3618] ? kernel_sendmsg+0x50/0x50 [ 43.135053][ T3618] ? do_recvmmsg+0x6d0/0x6d0 [ 43.139828][ T3618] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 43.145832][ T3618] ___sys_sendmsg+0xf3/0x170 [ 43.150414][ T3618] ? sendmsg_copy_msghdr+0x160/0x160 [ 43.155690][ T3618] ? __lock_acquire+0x163e/0x5660 [ 43.161227][ T3618] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 43.167284][ T3618] ? lockdep_hardirqs_on+0x79/0x100 [ 43.172471][ T3618] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 43.178441][ T3618] ? __switch_to+0x5cc/0x1060 [ 43.183108][ T3618] ? __fget_light+0x20a/0x270 [ 43.187794][ T3618] __sys_sendmmsg+0x195/0x470 [ 43.192470][ T3618] ? __ia32_sys_sendmsg+0x220/0x220 [ 43.197670][ T3618] ? _raw_spin_lock_irq+0x41/0x50 [ 43.202719][ T3618] ? find_held_lock+0x2d/0x110 [ 43.207496][ T3618] ? ptrace_notify+0xfa/0x140 [ 43.212199][ T3618] ? lock_downgrade+0x6e0/0x6e0 [ 43.217053][ T3618] ? _raw_spin_unlock_irq+0x1f/0x40 [ 43.222244][ T3618] ? _raw_spin_unlock_irq+0x1f/0x40 [ 43.227432][ T3618] ? lockdep_hardirqs_on+0x79/0x100 [ 43.232620][ T3618] __x64_sys_sendmmsg+0x99/0x100 [ 43.237662][ T3618] do_syscall_64+0x35/0xb0 [ 43.242088][ T3618] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.247987][ T3618] RIP: 0033:0x7ff3d963f489 [ 43.252409][ T3618] 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 [ 43.272044][ T3618] RSP: 002b:00007ffe39ca2a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 43.280483][ T3618] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff3d963f489 [ 43.288496][ T3618] RDX: 0000000000000001 RSI: 00000000200017c0 RDI: 0000000000000003 [ 43.296466][ T3618] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 43.304427][ T3618] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000a654 [ 43.312389][ T3618] R13: 00007ffe39ca2a80 R14: 00007ffe39ca2a70 R15: 00007ffe39ca2a64 [ 43.320449][ T3618] [ 43.323474][ T3618] Modules linked in: [ 43.327398][ T3618] ---[ end trace 0000000000000000 ]--- [ 43.332882][ T3618] RIP: 0010:skb_panic+0x16c/0x16e [ 43.337928][ T3618] 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 a0 ed d2 8a ff 74 24 10 ff 74 24 20 e8 a8 0a c1 ff <0f> 0b e8 2e 1d 08 f8 4c 8b 64 24 18 e8 84 f1 54 f8 48 c7 c1 c0 fa [ 43.357644][ T3618] RSP: 0018:ffffc90002fbeb20 EFLAGS: 00010286 [ 43.363973][ T3618] RAX: 0000000000000083 RBX: ffff888026aabc80 RCX: 0000000000000000 [ 43.371931][ T3618] RDX: ffff88801fc7bb00 RSI: ffffffff8160d1a8 RDI: fffff520005f7d56 [ 43.380182][ T3618] RBP: ffffffff8ad2fac0 R08: 0000000000000083 R09: 0000000000000000 [ 43.388168][ T3618] R10: 0000000080000400 R11: 0000000000000001 R12: ffffffff87f62860 [ 43.396156][ T3618] R13: 0000000000000008 R14: ffff888074f0c000 R15: 00000000000000c0 [ 43.404232][ T3618] FS: 0000555556106300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 43.413185][ T3618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.419798][ T3618] CR2: 00000000200017c0 CR3: 000000001f730000 CR4: 0000000000350ee0 [ 43.427793][ T3618] Kernel panic - not syncing: Fatal exception in interrupt [ 43.435628][ T3618] Kernel Offset: disabled [ 43.439961][ T3618] Rebooting in 86400 seconds..