diff options
| author | Noah Misch <noah@leadboat.com> | 2015-10-05 10:06:30 -0400 |
|---|---|---|
| committer | Noah Misch <noah@leadboat.com> | 2015-10-05 10:06:30 -0400 |
| commit | 5976097c0fce03f8cc201aefc4445ad57e09bb75 (patch) | |
| tree | 011ef8299f97ed7812358207b555abe564fedbe5 /contrib/ltree/ltxtquery_io.c | |
| parent | 30cb12881de55bc91a2cbde29d836bd3332612c3 (diff) | |
Prevent stack overflow in query-type functions.
The tsquery, ltxtquery and query_int data types have a common ancestor.
Having acquired check_stack_depth() calls independently, each was
missing at least one call. Back-patch to 9.0 (all supported versions).
Diffstat (limited to 'contrib/ltree/ltxtquery_io.c')
| -rw-r--r-- | contrib/ltree/ltxtquery_io.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/contrib/ltree/ltxtquery_io.c b/contrib/ltree/ltxtquery_io.c index ddc63d7b66b..74010f3cef4 100644 --- a/contrib/ltree/ltxtquery_io.c +++ b/contrib/ltree/ltxtquery_io.c @@ -416,6 +416,9 @@ while( ( (inf)->cur - (inf)->buf ) + (addsize) + 1 >= (inf)->buflen ) \ static void infix(INFIX *in, bool first) { + /* since this function recurses, it could be driven to stack overflow. */ + check_stack_depth(); + if (in->curpol->type == VAL) { char *op = in->op + in->curpol->distance; |