* mdocml: When the last line of a table layout turns out to be empty, it
@ 2015-04-29 12:45 schwarze
0 siblings, 0 replies; only message in thread
From: schwarze @ 2015-04-29 12:45 UTC (permalink / raw)
To: source
Log Message:
-----------
When the last line of a table layout turns out to be empty, it is deleted.
Do not just free the struct tbl_row but also make sure that no pointer
to it remains. Fixing a use after free found by jsg@ with afl.
Modified Files:
--------------
mdocml:
tbl_layout.c
Revision Data
-------------
Index: tbl_layout.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/tbl_layout.c,v
retrieving revision 1.38
retrieving revision 1.39
diff -Ltbl_layout.c -Ltbl_layout.c -u -p -r1.38 -r1.39
--- tbl_layout.c
+++ tbl_layout.c
@@ -308,6 +308,7 @@ tbl_layout(struct tbl_node *tbl, int ln,
rp->next->first == NULL) {
free(rp->next);
rp->next = NULL;
+ tbl->last_row = rp;
}
}
return;
--
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