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authorjan.nijtmans <nijtmans@users.sourceforge.net>2013-02-27 08:12:33 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2013-02-27 08:12:33 (GMT)
commit99a464dbfc99a425d7f7bb571d575e43b0e63539 (patch)
tree30a48979b46f147313fb84c66a8a86b619308354 /generic/regcomp.c
parent12dc5d93bc70918987c5ef619c42544ba0019c7a (diff)
parentbe449c196746dca12d429e2dfd39fb7af33a121c (diff)
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[Bug 3606139]: missing error check allows regexp to crash Tcl. Thanks to Tom Lane for providing the test-case and the patch.
Diffstat (limited to 'generic/regcomp.c')
-rw-r--r--generic/regcomp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/generic/regcomp.c b/generic/regcomp.c
index 6dea04b..ca4fc01 100644
--- a/generic/regcomp.c
+++ b/generic/regcomp.c
@@ -738,6 +738,7 @@ parsebranch(
/* NB, recursion in parseqatom() may swallow rest of branch */
parseqatom(v, stopper, type, lp, right, t);
+ NOERRN();
}
if (!seencontent) { /* empty branch */
@@ -1234,6 +1235,7 @@ parseqatom(
EMPTYARC(atom->end, rp);
t->right = subre(v, '=', 0, atom->end, rp);
}
+ NOERR();
assert(SEE('|') || SEE(stopper) || SEE(EOS));
t->flags |= COMBINE(t->flags, t->right->flags);
top->flags |= COMBINE(top->flags, t->flags);