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| author |   bluhm <bluhm@openbsd.org> | 2015-02-04 20:16:23 +0000 |
|---|---|---|
| committer | bluhm <bluhm@openbsd.org> | 2015-02-04 20:16:23 +0000 |
| commit | 974be262c07b063ea2549711d80c745ad865a37a (patch) | |
| tree | 7b5aa66f74e674d285c4ce899ef0748f6deadf07 /usr.sbin/route6d | |
| parent | improve diagnostics regarding arguments of .An .Pp .Lp .br .sp (diff) | |
| download | wireguard-openbsd-974be262c07b063ea2549711d80c745ad865a37a.tar.xz wireguard-openbsd-974be262c07b063ea2549711d80c745ad865a37a.zip | |
Fix potentional double free in do-while-loop.
Found by Benjamin Baier with llvm/scan-build; OK florian@
Diffstat (limited to 'usr.sbin/route6d')
| -rw-r--r-- | usr.sbin/route6d/route6d.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/usr.sbin/route6d/route6d.c b/usr.sbin/route6d/route6d.c index faecab21631..d2bc8dd2415 100644 --- a/usr.sbin/route6d/route6d.c +++ b/usr.sbin/route6d/route6d.c @@ -1,4 +1,4 @@ -/* $OpenBSD: route6d.c,v 1.64 2015/01/16 06:40:20 deraadt Exp $ */ +/* $OpenBSD: route6d.c,v 1.65 2015/02/04 20:16:23 bluhm Exp $ */ /* $KAME: route6d.c,v 1.111 2006/10/25 06:38:13 jinmei Exp $ */ /* @@ -2449,9 +2449,9 @@ krtread(int again) mib[5] = 0; /* No flags */ do { retry++; + free(buf); + buf = NULL; errmsg = NULL; - if (buf) - free(buf); if (sysctl(mib, 6, NULL, &msize, NULL, 0) < 0) { errmsg = "sysctl estimate"; continue; |