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uClibc-0.9.30.1: fix possible NULL pointer dereference (closes #5242)

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SVN-Revision: 16304
This commit is contained in:
Gabor Juhos 2009-06-03 09:45:00 +00:00
parent d2b2ce325a
commit da4435f2e1
1 changed files with 11 additions and 0 deletions
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11
toolchain/uClibc/patches-0.9.30.1/900-backport_fix_possible_null_ptr_dereference_in_getaddrinfo.patch Normal file
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@ -0,0 +1,11 @@
--- a/libc/inet/getaddrinfo.c
+++ b/libc/inet/getaddrinfo.c
@@ -187,6 +187,8 @@
}
for (runp = ifa; runp != NULL; runp = runp->ifa_next) {
+ if (runp->ifa_addr == NULL)
+ continue;
#if defined __UCLIBC_HAS_IPV4__
if (runp->ifa_addr->sa_family == PF_INET)
seen |= SEEN_IPV4;