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File _service:tar_scm:backport-resolve-fix-heap-buffer-overflow-reported-by-ASAN-wi.patch of Package systemd
From c285d500d0fe356f74f34846bc2ac0e25fe6ae42 Mon Sep 17 00:00:00 2001 From: Yu Watanabe <watanabe.yu+github@gmail.com> Date: Fri, 8 Jul 2022 22:00:58 +0900 Subject: [PATCH] resolve: fix heap-buffer-overflow reported by ASAN with strict_string_checks=1 Fixes #23942. (cherry picked from commit beeab352de413e1c04de0a67ee36525fcf6e99dd) (cherry picked from commit feb244676baa246e660b713544c2cb8766c25b34) (cherry picked from commit 63c0ce2346cb70a2959bd539541119866223a619) Conflict:NA Reference:https://github.com/systemd/systemd/commit/c285d500d0fe356f74f34846bc2ac0e25fe6ae42 --- src/resolve/resolved-dns-packet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c index b37f57fe67..c4cfbf7820 100644 --- a/src/resolve/resolved-dns-packet.c +++ b/src/resolve/resolved-dns-packet.c @@ -1393,7 +1393,7 @@ int dns_packet_read_string(DnsPacket *p, char **ret, size_t *start) { if (memchr(d, 0, c)) return -EBADMSG; - t = strndup(d, c); + t = memdup_suffix0(d, c); if (!t) return -ENOMEM; -- 2.27.0
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