diff options
| author |   deraadt <deraadt@openbsd.org> | 2020-06-07 16:16:01 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2020-06-07 16:16:01 +0000 |
| commit | 30d3f3d9a6bd805f226514fbf3d455eb7d2ba7e6 (patch) | |
| tree | a972f53a1a117a6719f35dd6e0d4401860a4fe7f /lib/libc | |
| parent | Probe the PCI bus. (diff) | |
| download | wireguard-openbsd-30d3f3d9a6bd805f226514fbf3d455eb7d2ba7e6.tar.xz wireguard-openbsd-30d3f3d9a6bd805f226514fbf3d455eb7d2ba7e6.zip | |
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
Diffstat (limited to 'lib/libc')
| -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); |