diff options
Diffstat (limited to 'resolv/nss_dns/dns-host.c')
| -rw-r--r-- | resolv/nss_dns/dns-host.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c index 9018bb98a6..0c9d6dcc8b 100644 --- a/resolv/nss_dns/dns-host.c +++ b/resolv/nss_dns/dns-host.c @@ -613,7 +613,8 @@ getanswer_r (const querybuf *answer, int anslen, const char *qname, int qtype, int have_to_map = 0; uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct host_data); buffer += pad; - if (__builtin_expect (buflen < sizeof (struct host_data) + pad, 0)) + buflen = buflen > pad ? buflen - pad : 0; + if (__builtin_expect (buflen < sizeof (struct host_data), 0)) { /* The buffer is too small. */ too_small: |