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unix: ignore ifaddrs with NULL ifa_addr (#4218)

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Passing this to uv__is_ipv6_link_local() is causing a segmentation
fault. Note that the documentation for getifaddrs() explicitly states
that this value may be NULL.

Signed-off-by: Stephen Gallagher <sgallagh@redhat.com>
This commit is contained in:
Stephen Gallagher 2023-11-14 04:23:28 -05:00 committed by GitHub
parent 874363f652
commit 31e4b90c3c
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1 changed files with 3 additions and 2 deletions
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src/unix/tcp.c
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@ -233,8 +233,9 @@ static int uv__ipv6_link_local_scope_id(void) {
return 0;
for (p = ifa; p != NULL; p = p->ifa_next)
if (uv__is_ipv6_link_local(p->ifa_addr))
break;
if (p->ifa_addr != NULL)
if (uv__is_ipv6_link_local(p->ifa_addr))
break;
rv = 0;
if (p != NULL) {