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authorSergey Poznyakoff <gray@gnu.org.ua>2016-03-12 15:54:57 (GMT)
committer Sergey Poznyakoff <gray@gnu.org.ua>2016-03-12 15:55:30 (GMT)
commit9d9f34d1ef0483fc012ea283e649d507ff410638 (patch) (side-by-side diff)
tree734844c924f9b395368ddcd9e4f08e1fc6e7abaa
parent06bf9bbf7922322d770a032aa9c8f9d3725984bd (diff)
downloadvmod-variable-9d9f34d1ef0483fc012ea283e649d507ff410638.tar.gz
vmod-variable-9d9f34d1ef0483fc012ea283e649d507ff410638.tar.bz2
Fix NULL dereferencing.
The bug was triggered by invoking symtab_remove with the name that has not yet been entered into the symtab. Reported by Julian Sternberg. * src/variable.c (symtab_remove): Return ENOENT if no matching entry was found.
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--src/variable.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/variable.c b/src/variable.c
index 333daeb..8e75ea2 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -174,2 +174,5 @@ symtab_remove(struct symtab *st, const char *name)
}
+
+ if (!entry)
+ return ENOENT;

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