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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2013-02-27 08:02:36 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2013-02-27 08:02:36 (GMT) |
| commit | be449c196746dca12d429e2dfd39fb7af33a121c (patch) | |
| tree | 1d08a0617c378ebde5d25be185758f4b076c87ca /generic/regcomp.c | |
| parent | 80cbd84d7eccb757a76574eb96df888238439837 (diff) | |
| download | tcl-be449c196746dca12d429e2dfd39fb7af33a121c.zip tcl-be449c196746dca12d429e2dfd39fb7af33a121c.tar.gz tcl-be449c196746dca12d429e2dfd39fb7af33a121c.tar.bz2 | |
[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.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/generic/regcomp.c b/generic/regcomp.c index a1fe5bc..307877a 100644 --- a/generic/regcomp.c +++ b/generic/regcomp.c @@ -675,6 +675,7 @@ int partial; /* is this only part of a branch? */ /* NB, recursion in parseqatom() may swallow rest of branch */ parseqatom(v, stopper, type, lp, right, t); + NOERRN(); } if (!seencontent) { /* empty branch */ @@ -1084,6 +1085,7 @@ struct subre *top; /* subtree top */ 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); |