Fix systemtap tapsets (bz 831763) Fix qmp response race caused by spice server bug (bz 744015) Fix text mode screendumps (bz 819155) Don't renable ksm on update (bz 815156) Fix RPM install error on non-virt machines (bz 660629) Obsolete openbios to fix upgrade dependency issues (bz 694802)
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From 72e8677ee72152245f5dc222a85f83a6a382efe8 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Wed, 26 Oct 2011 11:03:01 +0200
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Subject: [PATCH] block: Fix bdrv_open use after free
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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tmp_filename was used outside the block it was defined in, i.e. after it went
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out of scope. Move its declaration to the top level.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 2b5728164fcf5211bbae8d3c2fc6df62dd6b2295)
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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---
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block.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/block.c b/block.c
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index 9549b9e..4ebb18b 100644
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--- a/block.c
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+++ b/block.c
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@@ -526,6 +526,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
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BlockDriver *drv)
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{
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int ret;
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+ char tmp_filename[PATH_MAX];
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if (flags & BDRV_O_SNAPSHOT) {
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BlockDriverState *bs1;
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@@ -533,7 +534,6 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
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int is_protocol = 0;
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BlockDriver *bdrv_qcow2;
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QEMUOptionParameter *options;
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- char tmp_filename[PATH_MAX];
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char backing_filename[PATH_MAX];
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/* if snapshot, we create a temporary backing file and open it
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--
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1.7.11.2
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