./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3488304221 <...> Warning: Permanently added '10.128.1.135' (ED25519) to the list of known hosts. execve("./syz-executor3488304221", ["./syz-executor3488304221"], 0x7fff4dda0490 /* 10 vars */) = 0 brk(NULL) = 0x5555851ca000 brk(0x5555851cad00) = 0x5555851cad00 arch_prctl(ARCH_SET_FS, 0x5555851ca380) = 0 set_tid_address(0x5555851ca650) = 5085 set_robust_list(0x5555851ca660, 24) = 0 rseq(0x5555851caca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3488304221", 4096) = 28 getrandom("\x19\xf8\x67\x65\x5d\x05\x21\x0c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555851cad00 brk(0x5555851ebd00) = 0x5555851ebd00 brk(0x5555851ec000) = 0x5555851ec000 mprotect(0x7fad59dd1000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached , child_tidptr=0x5555851ca650) = 5086 [pid 5086] set_robust_list(0x5555851ca660, 24) = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1000", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5086] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5086] listen(3, 257) = 0 [pid 5086] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5086] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5086] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5086] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 57.350896][ T5086] net_ratelimit: 2 callbacks suppressed [ 57.350912][ T5086] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5086] exit_group(0) = ? [pid 5086] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached , child_tidptr=0x5555851ca650) = 5087 [pid 5087] set_robust_list(0x5555851ca660, 24) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5087] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5087] listen(3, 257) = 0 [pid 5087] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5087] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5087] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5087] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 57.786001][ T5087] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5087] exit_group(0) = ? [pid 5087] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached , child_tidptr=0x5555851ca650) = 5088 [pid 5088] set_robust_list(0x5555851ca660, 24) = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5088] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5088] listen(3, 257) = 0 [pid 5088] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5088] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5088] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5088] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 58.174002][ T5088] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5088] exit_group(0) = ? [pid 5088] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached [pid 5089] set_robust_list(0x5555851ca660, 24) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... clone resumed>, child_tidptr=0x5555851ca650) = 5089 [pid 5089] <... prctl resumed>) = 0 [pid 5089] setpgid(0, 0) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5089] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5089] listen(3, 257) = 0 [pid 5089] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5089] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5089] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5089] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 58.615133][ T5089] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5089] exit_group(0) = ? [pid 5089] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555851ca650) = 5090 ./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x5555851ca660, 24) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5090] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5090] listen(3, 257) = 0 [pid 5090] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5090] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5090] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5090] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 59.022536][ T5090] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 59.163891][ T5090] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 59.175189][ T5090] CPU: 0 PID: 5090 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 59.185625][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 59.195670][ T5090] Call Trace: [ 59.198945][ T5090] [ 59.201876][ T5090] dump_stack_lvl+0x241/0x360 [ 59.206588][ T5090] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.211802][ T5090] ? __pfx__printk+0x10/0x10 [ 59.216411][ T5090] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 59.221903][ T5090] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 59.227886][ T5090] dccp_xmit_packet+0x3e4/0x610 [ 59.232741][ T5090] ? __virt_addr_valid+0x44e/0x520 [ 59.237932][ T5090] dccp_write_xmit+0x138/0x220 [ 59.242710][ T5090] dccp_sendmsg+0x76d/0xba0 [ 59.247205][ T5090] ? __pfx_dccp_sendmsg+0x10/0x10 [ 59.252233][ T5090] ? do_raw_spin_lock+0x14f/0x370 [ 59.257259][ T5090] ? sock_rps_record_flow+0x1a/0x400 [ 59.262543][ T5090] ? inet_sendmsg+0x330/0x390 [ 59.267213][ T5090] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.272487][ T5090] ? security_socket_sendmsg+0x87/0xb0 [ 59.277938][ T5090] __sock_sendmsg+0x1a6/0x270 [ 59.282629][ T5090] __sys_sendto+0x3a4/0x4f0 [ 59.287137][ T5090] ? __pfx___sys_sendto+0x10/0x10 [ 59.292165][ T5090] ? lockdep_hardirqs_on+0x99/0x150 [ 59.297375][ T5090] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.303701][ T5090] __x64_sys_sendto+0xde/0x100 [ 59.308467][ T5090] do_syscall_64+0xf5/0x240 [ 59.312969][ T5090] ? clear_bhb_loop+0x35/0x90 [ 59.317652][ T5090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.323540][ T5090] RIP: 0033:0x7fad59d5eb39 [ 59.327955][ T5090] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 59.347555][ T5090] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 59.355976][ T5090] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fad59d5eb39 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 59.363938][ T5090] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [ 59.371905][ T5090] RBP: 000000000000e49e R08: 0000000000000000 R09: 0000000000000000 [ 59.379869][ T5090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 59.387831][ T5090] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 59.396410][ T5090] [ 59.401346][ T5090] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 59.413022][ T5090] CPU: 0 PID: 5090 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 59.423463][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 59.433518][ T5090] Call Trace: [ 59.436798][ T5090] [ 59.439730][ T5090] dump_stack_lvl+0x241/0x360 [ 59.444418][ T5090] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.449615][ T5090] ? __pfx__printk+0x10/0x10 [ 59.454213][ T5090] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 59.459706][ T5090] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 59.465683][ T5090] dccp_xmit_packet+0x3e4/0x610 [ 59.470551][ T5090] ? __virt_addr_valid+0x44e/0x520 [ 59.475701][ T5090] dccp_write_xmit+0x138/0x220 [ 59.480486][ T5090] dccp_sendmsg+0x76d/0xba0 [ 59.485007][ T5090] ? __pfx_dccp_sendmsg+0x10/0x10 [ 59.490041][ T5090] ? do_raw_spin_lock+0x14f/0x370 [ 59.495069][ T5090] ? sock_rps_record_flow+0x1a/0x400 [ 59.500357][ T5090] ? inet_sendmsg+0x330/0x390 [ 59.505030][ T5090] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.510314][ T5090] ? security_socket_sendmsg+0x87/0xb0 [ 59.515775][ T5090] __sock_sendmsg+0x1a6/0x270 [ 59.520455][ T5090] __sys_sendto+0x3a4/0x4f0 [ 59.524959][ T5090] ? __pfx___sys_sendto+0x10/0x10 [ 59.529992][ T5090] ? lockdep_hardirqs_on+0x99/0x150 [ 59.535203][ T5090] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.541552][ T5090] __x64_sys_sendto+0xde/0x100 [ 59.546324][ T5090] do_syscall_64+0xf5/0x240 [ 59.550831][ T5090] ? clear_bhb_loop+0x35/0x90 [ 59.555505][ T5090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.561410][ T5090] RIP: 0033:0x7fad59d5eb39 [ 59.565819][ T5090] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 59.585421][ T5090] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 59.593838][ T5090] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fad59d5eb39 [ 59.601823][ T5090] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 59.609801][ T5090] RBP: 000000000000e49e R08: 0000000000000000 R09: 0000000000000000 [ 59.617775][ T5090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 59.625764][ T5090] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 59.633755][ T5090] [ 59.648406][ T5090] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 59.659625][ T5090] CPU: 1 PID: 5090 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 59.670061][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 59.680129][ T5090] Call Trace: [ 59.683408][ T5090] [ 59.686331][ T5090] dump_stack_lvl+0x241/0x360 [ 59.691004][ T5090] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.696215][ T5090] ? __pfx__printk+0x10/0x10 [ 59.700802][ T5090] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 59.706258][ T5090] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 59.712234][ T5090] dccp_xmit_packet+0x3e4/0x610 [ 59.717078][ T5090] ? __virt_addr_valid+0x44e/0x520 [ 59.722185][ T5090] dccp_write_xmit+0x138/0x220 [ 59.726949][ T5090] dccp_sendmsg+0x76d/0xba0 [ 59.731451][ T5090] ? __pfx_dccp_sendmsg+0x10/0x10 [ 59.736463][ T5090] ? do_raw_spin_lock+0x14f/0x370 [ 59.741481][ T5090] ? sock_rps_record_flow+0x1a/0x400 [ 59.746754][ T5090] ? inet_sendmsg+0x330/0x390 [ 59.751431][ T5090] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.756725][ T5090] ? security_socket_sendmsg+0x87/0xb0 [ 59.762188][ T5090] __sock_sendmsg+0x1a6/0x270 [ 59.766868][ T5090] __sys_sendto+0x3a4/0x4f0 [ 59.771409][ T5090] ? __pfx___sys_sendto+0x10/0x10 [ 59.776447][ T5090] ? lockdep_hardirqs_on+0x99/0x150 [ 59.781671][ T5090] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.788089][ T5090] __x64_sys_sendto+0xde/0x100 [ 59.792861][ T5090] do_syscall_64+0xf5/0x240 [ 59.797367][ T5090] ? clear_bhb_loop+0x35/0x90 [ 59.802039][ T5090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.807943][ T5090] RIP: 0033:0x7fad59d5eb39 [ 59.812374][ T5090] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 59.831979][ T5090] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 59.840393][ T5090] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fad59d5eb39 [ 59.848355][ T5090] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [ 59.856314][ T5090] RBP: 000000000000e49e R08: 0000000000000000 R09: 0000000000000000 [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 59.864277][ T5090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 59.872245][ T5090] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 59.880474][ T5090] [ 59.892400][ T5090] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 59.903740][ T5090] CPU: 1 PID: 5090 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 59.914149][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 59.924199][ T5090] Call Trace: [ 59.927469][ T5090] [ 59.930389][ T5090] dump_stack_lvl+0x241/0x360 [ 59.935058][ T5090] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.940509][ T5090] ? __pfx__printk+0x10/0x10 [ 59.945093][ T5090] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 59.950550][ T5090] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 59.956560][ T5090] dccp_xmit_packet+0x3e4/0x610 [ 59.961406][ T5090] ? __virt_addr_valid+0x44e/0x520 [ 59.966510][ T5090] dccp_write_xmit+0x138/0x220 [ 59.971271][ T5090] dccp_sendmsg+0x76d/0xba0 [ 59.975774][ T5090] ? __pfx_dccp_sendmsg+0x10/0x10 [ 59.980786][ T5090] ? do_raw_spin_lock+0x14f/0x370 [ 59.985805][ T5090] ? sock_rps_record_flow+0x1a/0x400 [ 59.991086][ T5090] ? inet_sendmsg+0x330/0x390 [ 59.995744][ T5090] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 60.001019][ T5090] ? security_socket_sendmsg+0x87/0xb0 [ 60.006468][ T5090] __sock_sendmsg+0x1a6/0x270 [ 60.011139][ T5090] __sys_sendto+0x3a4/0x4f0 [ 60.015631][ T5090] ? __pfx___sys_sendto+0x10/0x10 [ 60.020651][ T5090] ? lockdep_hardirqs_on+0x99/0x150 [ 60.025862][ T5090] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.032209][ T5090] __x64_sys_sendto+0xde/0x100 [ 60.036971][ T5090] do_syscall_64+0xf5/0x240 [ 60.041465][ T5090] ? clear_bhb_loop+0x35/0x90 [ 60.046136][ T5090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.052021][ T5090] RIP: 0033:0x7fad59d5eb39 [ 60.056427][ T5090] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 60.076028][ T5090] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 60.084437][ T5090] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fad59d5eb39 [ 60.092425][ T5090] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [ 60.100388][ T5090] RBP: 000000000000e49e R08: 0000000000000000 R09: 0000000000000000 [ 60.108346][ T5090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [pid 5090] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5090] exit_group(0) = ? [pid 5090] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached , child_tidptr=0x5555851ca650) = 5091 [pid 5091] set_robust_list(0x5555851ca660, 24) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5091] setpgid(0, 0) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1000", 4) = 4 [ 60.116312][ T5090] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 60.124391][ T5090] [pid 5091] close(3) = 0 [pid 5091] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5091] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5091] listen(3, 257) = 0 [pid 5091] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5091] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5091] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5091] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 60.230992][ T5091] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5091] exit_group(0) = ? [pid 5091] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached [pid 5092] set_robust_list(0x5555851ca660, 24) = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... clone resumed>, child_tidptr=0x5555851ca650) = 5092 [pid 5092] <... prctl resumed>) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5092] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5092] listen(3, 257) = 0 [pid 5092] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5092] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5092] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5092] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 60.592735][ T5092] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5092] exit_group(0) = ? [pid 5092] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached , child_tidptr=0x5555851ca650) = 5093 [pid 5093] set_robust_list(0x5555851ca660, 24) = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5093] setpgid(0, 0) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5093] write(3, "1000", 4) = 4 [pid 5093] close(3) = 0 [pid 5093] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5093] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5093] listen(3, 257) = 0 [pid 5093] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5093] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5093] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5093] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 60.984062][ T5093] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5093] exit_group(0) = ? [pid 5093] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached [pid 5094] set_robust_list(0x5555851ca660, 24) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... clone resumed>, child_tidptr=0x5555851ca650) = 5094 [pid 5094] <... prctl resumed>) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5094] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5094] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5094] listen(3, 257) = 0 [pid 5094] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5094] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5094] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5094] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 61.375445][ T5094] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 61.577939][ T5094] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 61.589232][ T5094] CPU: 0 PID: 5094 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 61.599654][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 61.609705][ T5094] Call Trace: [ 61.613248][ T5094] [ 61.616172][ T5094] dump_stack_lvl+0x241/0x360 [ 61.620848][ T5094] ? __pfx_dump_stack_lvl+0x10/0x10 [ 61.626042][ T5094] ? __pfx__printk+0x10/0x10 [ 61.630666][ T5094] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 61.636118][ T5094] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 61.642108][ T5094] dccp_xmit_packet+0x3e4/0x610 [ 61.646942][ T5094] ? __virt_addr_valid+0x44e/0x520 [ 61.652060][ T5094] dccp_write_xmit+0x138/0x220 [ 61.656833][ T5094] dccp_sendmsg+0x76d/0xba0 [ 61.661334][ T5094] ? __pfx_dccp_sendmsg+0x10/0x10 [ 61.666353][ T5094] ? do_raw_spin_lock+0x14f/0x370 [ 61.671370][ T5094] ? sock_rps_record_flow+0x1a/0x400 [ 61.676649][ T5094] ? inet_sendmsg+0x330/0x390 [ 61.681337][ T5094] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 61.686614][ T5094] ? security_socket_sendmsg+0x87/0xb0 [ 61.692065][ T5094] __sock_sendmsg+0x1a6/0x270 [ 61.696739][ T5094] __sys_sendto+0x3a4/0x4f0 [ 61.701265][ T5094] ? __pfx___sys_sendto+0x10/0x10 [ 61.706318][ T5094] ? lockdep_hardirqs_on+0x99/0x150 [ 61.711524][ T5094] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.717843][ T5094] __x64_sys_sendto+0xde/0x100 [ 61.722601][ T5094] do_syscall_64+0xf5/0x240 [ 61.727109][ T5094] ? clear_bhb_loop+0x35/0x90 [ 61.731779][ T5094] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.737665][ T5094] RIP: 0033:0x7fad59d5eb39 [ 61.742072][ T5094] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 61.761778][ T5094] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 61.770196][ T5094] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fad59d5eb39 [pid 5094] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5094] exit_group(0) = ? [pid 5094] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached [pid 5095] set_robust_list(0x5555851ca660, 24) = 0 [pid 5085] <... clone resumed>, child_tidptr=0x5555851ca650) = 5095 [ 61.778166][ T5094] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [ 61.786129][ T5094] RBP: 000000000000edd4 R08: 0000000000000000 R09: 0000000000000000 [ 61.794101][ T5094] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 61.802065][ T5094] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 61.810038][ T5094] [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5095] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5095] listen(3, 257) = 0 [pid 5095] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5095] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5095] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5095] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 61.918800][ T5095] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5095] exit_group(0) = ? [pid 5095] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached , child_tidptr=0x5555851ca650) = 5096 [pid 5096] set_robust_list(0x5555851ca660, 24) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5096] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5096] listen(3, 257) = 0 [pid 5096] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5096] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5096] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5096] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 62.405947][ T5096] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5096] exit_group(0) = ? [pid 5096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5097 attached , child_tidptr=0x5555851ca650) = 5097 [pid 5097] set_robust_list(0x5555851ca660, 24) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] setpgid(0, 0) = 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1000", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5097] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5097] listen(3, 257) = 0 [pid 5097] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5097] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5097] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5097] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 62.830705][ T5097] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5097] exit_group(0) = ? [pid 5097] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached , child_tidptr=0x5555851ca650) = 5098 [pid 5098] set_robust_list(0x5555851ca660, 24) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3) = 0 [pid 5098] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5098] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5098] listen(3, 257) = 0 [pid 5098] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5098] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5098] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5098] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 63.352152][ T5098] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 63.617473][ T5098] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 63.628751][ T5098] CPU: 0 PID: 5098 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 63.639197][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 63.649260][ T5098] Call Trace: [ 63.652531][ T5098] [ 63.655458][ T5098] dump_stack_lvl+0x241/0x360 [ 63.660159][ T5098] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.665374][ T5098] ? __pfx__printk+0x10/0x10 [ 63.669969][ T5098] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 63.675421][ T5098] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 63.681400][ T5098] dccp_xmit_packet+0x3e4/0x610 [ 63.686346][ T5098] ? __virt_addr_valid+0x44e/0x520 [ 63.691455][ T5098] dccp_write_xmit+0x138/0x220 [ 63.696219][ T5098] dccp_sendmsg+0x76d/0xba0 [ 63.700720][ T5098] ? __pfx_dccp_sendmsg+0x10/0x10 [ 63.705736][ T5098] ? do_raw_spin_lock+0x14f/0x370 [ 63.710753][ T5098] ? sock_rps_record_flow+0x1a/0x400 [ 63.716031][ T5098] ? inet_sendmsg+0x330/0x390 [ 63.720696][ T5098] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 63.725971][ T5098] ? security_socket_sendmsg+0x87/0xb0 [ 63.731432][ T5098] __sock_sendmsg+0x1a6/0x270 [ 63.736113][ T5098] __sys_sendto+0x3a4/0x4f0 [ 63.740615][ T5098] ? __pfx___sys_sendto+0x10/0x10 [ 63.745643][ T5098] ? lockdep_hardirqs_on+0x99/0x150 [ 63.750849][ T5098] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 63.757176][ T5098] __x64_sys_sendto+0xde/0x100 [ 63.761941][ T5098] do_syscall_64+0xf5/0x240 [ 63.766444][ T5098] ? clear_bhb_loop+0x35/0x90 [ 63.771123][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.777016][ T5098] RIP: 0033:0x7fad59d5eb39 [ 63.781426][ T5098] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 63.801024][ T5098] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 63.809437][ T5098] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fad59d5eb39 [pid 5098] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5098] exit_group(0) = ? [pid 5098] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached , child_tidptr=0x5555851ca650) = 5099 [pid 5099] set_robust_list(0x5555851ca660, 24) = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5099] setpgid(0, 0) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 5099] close(3) = 0 [ 63.817401][ T5098] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [ 63.825364][ T5098] RBP: 000000000000f51e R08: 0000000000000000 R09: 0000000000000000 [ 63.833338][ T5098] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 63.841305][ T5098] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 63.849286][ T5098] [pid 5099] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5099] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5099] listen(3, 257) = 0 [pid 5099] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5099] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5099] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5099] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 63.934096][ T5099] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5099] exit_group(0) = ? [pid 5099] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached , child_tidptr=0x5555851ca650) = 5100 [pid 5100] set_robust_list(0x5555851ca660, 24) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5100] write(3, "1000", 4) = 4 [pid 5100] close(3) = 0 [pid 5100] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5100] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5100] listen(3, 257) = 0 [pid 5100] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5100] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5100] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5100] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 64.334359][ T5100] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5100] exit_group(0) = ? [pid 5100] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached [pid 5101] set_robust_list(0x5555851ca660, 24) = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... clone resumed>, child_tidptr=0x5555851ca650) = 5101 [pid 5101] <... prctl resumed>) = 0 [pid 5101] setpgid(0, 0) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1000", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5101] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5101] listen(3, 257) = 0 [pid 5101] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5101] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5101] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5101] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 64.797009][ T5101] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5101] exit_group(0) = ? [pid 5101] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555851ca650) = 5102 ./strace-static-x86_64: Process 5102 attached [pid 5102] set_robust_list(0x5555851ca660, 24) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5102] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5102] listen(3, 257) = 0 [pid 5102] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5102] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5102] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5102] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 65.261381][ T5102] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5102] exit_group(0) = ? [pid 5102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached [pid 5103] set_robust_list(0x5555851ca660, 24) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... clone resumed>, child_tidptr=0x5555851ca650) = 5103 [pid 5103] <... prctl resumed>) = 0 [pid 5103] setpgid(0, 0) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5103] write(3, "1000", 4) = 4 [pid 5103] close(3) = 0 [pid 5103] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5103] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5103] listen(3, 257) = 0 [pid 5103] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5103] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5103] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5103] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 65.666574][ T5103] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5103] exit_group(0) = ? [pid 5103] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached [pid 5104] set_robust_list(0x5555851ca660, 24) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... clone resumed>, child_tidptr=0x5555851ca650) = 5104 [pid 5104] <... prctl resumed>) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 [pid 5104] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5104] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5104] listen(3, 257) = 0 [pid 5104] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5104] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5104] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5104] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 66.103761][ T5104] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 66.247308][ T5104] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 66.258907][ T5104] CPU: 0 PID: 5104 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 66.269338][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 66.279388][ T5104] Call Trace: [ 66.282671][ T5104] [ 66.285602][ T5104] dump_stack_lvl+0x241/0x360 [ 66.290284][ T5104] ? __pfx_dump_stack_lvl+0x10/0x10 [ 66.295495][ T5104] ? __pfx__printk+0x10/0x10 [ 66.300128][ T5104] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 66.305608][ T5104] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 66.311618][ T5104] dccp_xmit_packet+0x3e4/0x610 [ 66.316470][ T5104] ? __virt_addr_valid+0x44e/0x520 [ 66.321577][ T5104] dccp_write_xmit+0x138/0x220 [ 66.326334][ T5104] dccp_sendmsg+0x76d/0xba0 [ 66.330832][ T5104] ? __pfx_dccp_sendmsg+0x10/0x10 [ 66.335843][ T5104] ? do_raw_spin_lock+0x14f/0x370 [ 66.340865][ T5104] ? sock_rps_record_flow+0x1a/0x400 [ 66.346147][ T5104] ? inet_sendmsg+0x330/0x390 [ 66.350810][ T5104] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 66.356094][ T5104] ? security_socket_sendmsg+0x87/0xb0 [ 66.361568][ T5104] __sock_sendmsg+0x1a6/0x270 [ 66.366254][ T5104] __sys_sendto+0x3a4/0x4f0 [ 66.370762][ T5104] ? __pfx___sys_sendto+0x10/0x10 [ 66.375868][ T5104] ? lockdep_hardirqs_on+0x99/0x150 [ 66.381067][ T5104] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.387387][ T5104] __x64_sys_sendto+0xde/0x100 [ 66.392144][ T5104] do_syscall_64+0xf5/0x240 [ 66.396642][ T5104] ? clear_bhb_loop+0x35/0x90 [ 66.401369][ T5104] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.407256][ T5104] RIP: 0033:0x7fad59d5eb39 [ 66.411676][ T5104] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 66.431349][ T5104] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 66.439774][ T5104] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fad59d5eb39 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 66.447744][ T5104] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [ 66.455744][ T5104] RBP: 0000000000010033 R08: 0000000000000000 R09: 0000000000000000 [ 66.463729][ T5104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 66.471792][ T5104] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 66.479858][ T5104] [ 66.493770][ T5104] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 66.505034][ T5104] CPU: 1 PID: 5104 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 66.515469][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 66.525528][ T5104] Call Trace: [ 66.528806][ T5104] [ 66.531726][ T5104] dump_stack_lvl+0x241/0x360 [ 66.536396][ T5104] ? __pfx_dump_stack_lvl+0x10/0x10 [ 66.541594][ T5104] ? __pfx__printk+0x10/0x10 [ 66.546179][ T5104] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 66.551637][ T5104] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 66.557611][ T5104] dccp_xmit_packet+0x3e4/0x610 [ 66.562456][ T5104] ? __virt_addr_valid+0x44e/0x520 [ 66.567557][ T5104] dccp_write_xmit+0x138/0x220 [ 66.572313][ T5104] dccp_sendmsg+0x76d/0xba0 [ 66.576816][ T5104] ? __pfx_dccp_sendmsg+0x10/0x10 [ 66.581847][ T5104] ? do_raw_spin_lock+0x14f/0x370 [ 66.586865][ T5104] ? sock_rps_record_flow+0x1a/0x400 [ 66.592158][ T5104] ? inet_sendmsg+0x330/0x390 [ 66.596834][ T5104] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 66.602129][ T5104] ? security_socket_sendmsg+0x87/0xb0 [ 66.607601][ T5104] __sock_sendmsg+0x1a6/0x270 [ 66.612278][ T5104] __sys_sendto+0x3a4/0x4f0 [ 66.616786][ T5104] ? __pfx___sys_sendto+0x10/0x10 [ 66.621812][ T5104] ? lockdep_hardirqs_on+0x99/0x150 [ 66.627018][ T5104] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.633342][ T5104] __x64_sys_sendto+0xde/0x100 [ 66.638103][ T5104] do_syscall_64+0xf5/0x240 [ 66.642634][ T5104] ? clear_bhb_loop+0x35/0x90 [ 66.647334][ T5104] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.653236][ T5104] RIP: 0033:0x7fad59d5eb39 [ 66.657649][ T5104] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 66.677249][ T5104] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 66.685660][ T5104] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fad59d5eb39 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 66.693628][ T5104] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [ 66.701592][ T5104] RBP: 0000000000010033 R08: 0000000000000000 R09: 0000000000000000 [ 66.709560][ T5104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 66.717527][ T5104] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 66.725513][ T5104] [ 66.740549][ T5104] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 66.751770][ T5104] CPU: 0 PID: 5104 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 66.762181][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 66.772248][ T5104] Call Trace: [ 66.775541][ T5104] [ 66.778488][ T5104] dump_stack_lvl+0x241/0x360 [ 66.783197][ T5104] ? __pfx_dump_stack_lvl+0x10/0x10 [ 66.788419][ T5104] ? __pfx__printk+0x10/0x10 [ 66.793037][ T5104] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 66.798519][ T5104] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 66.804511][ T5104] dccp_xmit_packet+0x3e4/0x610 [ 66.809363][ T5104] ? __virt_addr_valid+0x44e/0x520 [ 66.814491][ T5104] dccp_write_xmit+0x138/0x220 [ 66.819272][ T5104] dccp_sendmsg+0x76d/0xba0 [ 66.823776][ T5104] ? __pfx_dccp_sendmsg+0x10/0x10 [ 66.828798][ T5104] ? do_raw_spin_lock+0x14f/0x370 [ 66.833822][ T5104] ? sock_rps_record_flow+0x1a/0x400 [ 66.839117][ T5104] ? inet_sendmsg+0x330/0x390 [ 66.843802][ T5104] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 66.849079][ T5104] ? security_socket_sendmsg+0x87/0xb0 [ 66.854547][ T5104] __sock_sendmsg+0x1a6/0x270 [ 66.859234][ T5104] __sys_sendto+0x3a4/0x4f0 [ 66.863760][ T5104] ? __pfx___sys_sendto+0x10/0x10 [ 66.868912][ T5104] ? lockdep_hardirqs_on+0x99/0x150 [ 66.874172][ T5104] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 66.880500][ T5104] __x64_sys_sendto+0xde/0x100 [ 66.885288][ T5104] do_syscall_64+0xf5/0x240 [ 66.889813][ T5104] ? clear_bhb_loop+0x35/0x90 [ 66.894488][ T5104] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.900376][ T5104] RIP: 0033:0x7fad59d5eb39 [ 66.904783][ T5104] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 66.924560][ T5104] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 66.933001][ T5104] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fad59d5eb39 [ 66.940970][ T5104] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 66.948948][ T5104] RBP: 0000000000010033 R08: 0000000000000000 R09: 0000000000000000 [ 66.956929][ T5104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 66.964899][ T5104] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 66.972876][ T5104] [ 66.981362][ T5104] BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() [ 66.992958][ T5104] CPU: 1 PID: 5104 Comm: syz-executor348 Not tainted 6.9.0-rc6-syzkaller-01461-g5829614a7b3b #0 [ 67.003377][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 67.013424][ T5104] Call Trace: [ 67.016710][ T5104] [ 67.019629][ T5104] dump_stack_lvl+0x241/0x360 [ 67.024306][ T5104] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.029496][ T5104] ? __pfx__printk+0x10/0x10 [ 67.034081][ T5104] ccid3_hc_tx_packet_sent+0x27f/0x300 [ 67.039534][ T5104] ? __pfx_ccid3_hc_tx_packet_sent+0x10/0x10 [ 67.045506][ T5104] dccp_xmit_packet+0x3e4/0x610 [ 67.050347][ T5104] ? __virt_addr_valid+0x44e/0x520 [ 67.055453][ T5104] dccp_write_xmit+0x138/0x220 [ 67.060207][ T5104] dccp_sendmsg+0x76d/0xba0 [ 67.064702][ T5104] ? __pfx_dccp_sendmsg+0x10/0x10 [ 67.069716][ T5104] ? do_raw_spin_lock+0x14f/0x370 [ 67.074737][ T5104] ? sock_rps_record_flow+0x1a/0x400 [ 67.080012][ T5104] ? inet_sendmsg+0x330/0x390 [ 67.084676][ T5104] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 67.089967][ T5104] ? security_socket_sendmsg+0x87/0xb0 [ 67.095437][ T5104] __sock_sendmsg+0x1a6/0x270 [ 67.100124][ T5104] __sys_sendto+0x3a4/0x4f0 [ 67.104630][ T5104] ? __pfx___sys_sendto+0x10/0x10 [ 67.109659][ T5104] ? lockdep_hardirqs_on+0x99/0x150 [ 67.114868][ T5104] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.121194][ T5104] __x64_sys_sendto+0xde/0x100 [ 67.125958][ T5104] do_syscall_64+0xf5/0x240 [ 67.130459][ T5104] ? clear_bhb_loop+0x35/0x90 [ 67.135221][ T5104] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.141109][ T5104] RIP: 0033:0x7fad59d5eb39 [ 67.145518][ T5104] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 67.165123][ T5104] RSP: 002b:00007ffddfd5fab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 67.173548][ T5104] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fad59d5eb39 [ 67.181517][ T5104] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 [ 67.189483][ T5104] RBP: 0000000000010033 R08: 0000000000000000 R09: 0000000000000000 [pid 5104] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5104] exit_group(0) = ? [pid 5104] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached , child_tidptr=0x5555851ca650) = 5105 [ 67.197445][ T5104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddfd5fadc [ 67.205410][ T5104] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 67.213386][ T5104] [pid 5105] set_robust_list(0x5555851ca660, 24) = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3) = 0 [pid 5105] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5105] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5105] listen(3, 257) = 0 [pid 5105] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5105] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5105] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5105] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 67.314807][ T5105] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5105] exit_group(0) = ? [pid 5105] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached , child_tidptr=0x5555851ca650) = 5106 [pid 5106] set_robust_list(0x5555851ca660, 24) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5106] close(3) = 0 [pid 5106] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5106] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5106] listen(3, 257) = 0 [pid 5106] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5106] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5106] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5106] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 67.782213][ T5106] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5106] exit_group(0) = ? [pid 5106] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached [pid 5107] set_robust_list(0x5555851ca660, 24) = 0 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... clone resumed>, child_tidptr=0x5555851ca650) = 5107 [pid 5107] <... prctl resumed>) = 0 [pid 5107] setpgid(0, 0) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5107] write(3, "1000", 4) = 4 [pid 5107] close(3) = 0 [pid 5107] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5107] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5107] listen(3, 257) = 0 [pid 5107] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5107] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5107] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5107] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 68.224408][ T5107] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5107] exit_group(0) = ? [pid 5107] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555851ca650) = 5108 ./strace-static-x86_64: Process 5108 attached [pid 5108] set_robust_list(0x5555851ca660, 24) = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] setpgid(0, 0) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 [pid 5108] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5108] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5108] listen(3, 257) = 0 [pid 5108] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5108] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5108] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5108] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 68.607336][ T5108] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5108] exit_group(0) = ? [pid 5108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached , child_tidptr=0x5555851ca650) = 5109 [pid 5109] set_robust_list(0x5555851ca660, 24) = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5109] setpgid(0, 0) = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5109] write(3, "1000", 4) = 4 [pid 5109] close(3) = 0 [pid 5109] socket(AF_INET6, SOCK_DCCP, IPPROTO_IP) = 3 [pid 5109] bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5109] listen(3, 257) = 0 [pid 5109] socket(AF_INET, SOCK_DCCP, IPPROTO_IP) = 4 [pid 5109] setsockopt(4, SOL_DCCP, DCCP_SOCKOPT_CCID, "\x03", 1) = 0 [pid 5109] connect(4, {sa_family=AF_INET, sin_port=htons(20000), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 [pid 5109] sendto(4, "\x2b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65475, 0, NULL, 0) = 65475 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [ 69.038425][ T5109] dccp_xmit_packet: Payload too large (65475) for featneg. [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1 [pid 5109] sendto(4, "3", 1, 0, NULL, 0) = 1