ci-upstream-net-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-net-kasan-gce/syz-executor4076760313

<...>
Warning: Permanently added '10.128.0.60' (ED25519) to the list of known hosts.
execve("ci-upstream-net-kasan-gce/syz-executor4076760313", ["ci-upstream-net-kasan-gce/syz-executor4076760313"], 0x7ffd47ea1050 /* 10 vars */) = 0
brk(NULL)                               = 0x555561060000
brk(0x555561060d80)                     = 0x555561060d80
arch_prctl(ARCH_SET_FS, 0x555561060400) = 0
set_tid_address(0x5555610606d0)         = 5664
set_robust_list(0x5555610606e0, 24)     = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-net-kasan-gce/syz-executor4076760313", 4096) = 54
getrandom("\x3c\xc0\xa7\x9c\xfb\xaa\x5a\x0b", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555561060d80
brk(0x555561081d80)                     = 0x555561081d80
brk(0x555561082000)                     = 0x555561082000
mprotect(0x7fb3d9ec1000, 20480, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-kasan-gce/strace-static-x86_64: Process 5665 attached
, child_tidptr=0x5555610606d0) = 5665
[pid  5664] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5665] set_robust_list(0x5555610606e0, 24 <unfinished ...>
[pid  5664] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5665] <... set_robust_list resumed>) = 0
[pid  5665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5665] setpgid(0, 0)               = 0
[pid  5665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5665] write(3, "1000", 4)         = 4
[pid  5665] close(3)                    = 0
[pid  5665] write(1, "executing program\n", 18) = 18
executing program
[pid  5665] socket(AF_INET, SOCK_STREAM, IPPROTO_MPTCP) = 3
[pid  5665] sendmmsg(3, [{msg_hdr={msg_name={sa_family=AF_INET, sin_port=htons(20004), sin_addr=inet_addr("127.0.0.1")}, msg_namelen=16, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}], 1, MSG_MORE|MSG_FASTOPEN) = -1 ECONNREFUSED (Connection refused)
[pid  5665] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER) = 4
[pid  5665] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[[{nlmsg_len=20, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x0a"], [{nlmsg_len=32, nlmsg_type=0xa00 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x300, nlmsg_seq=0, nlmsg_pid=0}, "\x01\x00\xff\xfd\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00"], [{nlmsg_len=64, nlmsg_type=0xa03 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x200, nlmsg_seq=0, nlmsg_pid=0}, "\x01\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x32\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x02\x40\x32\x65\x8a\xeb\x08\x00\x01\x40\x00\x00\x00\x01\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00"], [{nlmsg_len=68, nlmsg_type=0xa06 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x400, nlmsg_seq=0, nlmsg_pid=67174400}, "\x01\x00\x00\x00\x08\x00\x0b\x40\x00\x00\x00\x00\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x1c\x00\x04\x80\x18\x00\x01\x80\x0d\x00\x01\x00\x73\x79\x6e\x70\x72\x6f\x78\x79\x00\x00\x00\x00\x04\x00\x02\x80"], [{nlmsg_len=20, nlmsg_type=0x11 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00"]], iov_len=204}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 204
[pid  5665] exit_group(0)               = ?
[pid  5665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5665, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-kasan-gce/strace-static-x86_64: Process 5666 attached
, child_tidptr=0x5555610606d0) = 5666
[pid  5666] set_robust_list(0x5555610606e0, 24) = 0
[pid  5664] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5666] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5664] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5666] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0