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| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2020-06-07 16:16:02 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2020-06-07 16:16:02 +0000 |
| commit | b2748beaf128f0249797ad29f591ab83a088361a (patch) | |
| tree | 8d62cb7ee812a63c1d5f5ba7afd6403f1a1514c0 | |
| parent | e06cb9c47d8c65b783118f5e3d313f2d08f5cedf (diff) | |
In the libc resolver function asr_run(), clear the result buffer everytime,
because there are callers who were inspecting unrelated fields.
discussion with eric, otto, solution from semarie
this is errata 6.6/031_asr and 6.7/009_asr
| -rw-r--r-- | lib/libc/asr/asr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/asr/asr.c b/lib/libc/asr/asr.c index cd056c85719..131da4b2190 100644 --- a/lib/libc/asr/asr.c +++ b/lib/libc/asr/asr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: asr.c,v 1.62 2019/10/24 05:57:41 otto Exp $ */ +/* $OpenBSD: asr.c,v 1.63 2020/06/07 16:16:01 deraadt Exp $ */ /* * Copyright (c) 2010-2012 Eric Faurot <eric@openbsd.org> * @@ -171,6 +171,8 @@ asr_run(struct asr_query *as, struct asr_result *ar) { int r, saved_errno = errno; + memset(ar, 0, sizeof(*ar)); + DPRINT("asr: asr_run(%p, %p) %s ctx=[%p]\n", as, ar, _asr_querystr(as->as_type), as->as_ctx); r = as->as_run(as, ar); |