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