cscope/cscope-4-Avoid-double-free-via-double-fclose-in-changestring.patch
Vladis Dronov fd733a02b1 Bring in important patches from the upstream
Bring in important patches from the upstream's git repo
and remove outdated patch files:
git://git.code.sf.net/p/cscope/cscope 39fb38..eaea31

Signed-off-by: Vladis Dronov <vdronov@redhat.com>
2021-03-16 14:55:50 +00:00

39 lines
962 B
Diff

From f632c3fd86fce2c495a290dd70f5f09e3e7e7a28 Mon Sep 17 00:00:00 2001
From: Hans-Bernhard Broeker <HBBroeker@T-Online.de>
Date: Sat, 13 Apr 2019 14:52:35 +0200
Subject: [PATCH 5/9] Avoid double-free via double fclose in changestring.
Mark closed FILE* by setting it to NULL, and check for that.
Signed-off-by: Vladis Dronov <vdronov@redhat.com>
---
src/command.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/command.c b/src/command.c
index 8740b11..dcb5278 100644
--- a/src/command.c
+++ b/src/command.c
@@ -786,6 +786,7 @@ changestring(void)
}
fprintf(script, "w\nq\n!\n"); /* write and quit */
fclose(script);
+ script = NULL;
/* if any line was marked */
if (anymarked == YES) {
@@ -803,7 +804,9 @@ changestring(void)
}
changing = NO;
mousemenu();
- fclose(script);
+ if (script != NULL) {
+ fclose(script);
+ }
free(change);
return(anymarked);
}
--
2.26.2