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fix: zero question dns packet causes panic

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This commit is contained in:
mzz2017
2023-01-31 19:54:11 +08:00
parent 460ef450a0
commit c1e196c1c6
3 changed files with 20 additions and 10 deletions
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3
component/control/kern/tproxy.c
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@ -960,7 +960,7 @@ static int routing(__u32 flag[6], void *l4_hdr, __be32 saddr[4],
good_subrule = true;
}
} else if (match_set->type == MatchType_ProcessName) {
if ((equal_ipv6_format(match_set->pname, _pname))){
if ((equal_ipv6_format(match_set->pname, _pname))) {
good_subrule = true;
}
} else if (match_set->type == MatchType_Final) {
@ -1990,6 +1990,7 @@ static int __always_inline update_map_elem_by_sk(struct sock *sk) {
struct pid_pname val;
__builtin_memset(&val, 0, sizeof(struct pid_pname));
val.pid = bpf_get_current_pid_tgid() >> 32;
// struct task_struct *t = (void *)bpf_get_current_task();
if ((ret = bpf_get_current_comm(val.pname, sizeof(val.pname)))) {
return ret;
}