qemu/pr-manager-Fix-invalid-g_free-crash-bug.patch
Ying Fang 1e4b6553e3 Backport: backport form upstream stable v4.1.1
This patch backports bugfix patch series from qemu upstream v4.1.1

Signed-off-by: Ying Fang <fangying1@huawei.com>
2020-06-01 09:13:39 +00:00

40 lines
1.3 KiB
Diff

From 57fdf4a13ff16d9d48a43f02a5e7b42e3d264f83 Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@redhat.com>
Date: Thu, 22 Aug 2019 15:38:46 +0200
Subject: [PATCH] pr-manager: Fix invalid g_free() crash bug
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
pr_manager_worker() passes its @opaque argument to g_free(). Wrong;
it points to pr_manager_worker()'s automatic @data. Broken when
commit 2f3a7ab39be converted @data from heap- to stack-allocated. Fix
by deleting the g_free().
Fixes: 2f3a7ab39bec4ba8022dc4d42ea641165b004e3e
Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 6b9d62c2a9e83bbad73fb61406f0ff69b46ff6f3)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
scsi/pr-manager.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/scsi/pr-manager.c b/scsi/pr-manager.c
index ee43663576..0c866e8698 100644
--- a/scsi/pr-manager.c
+++ b/scsi/pr-manager.c
@@ -39,7 +39,6 @@ static int pr_manager_worker(void *opaque)
int fd = data->fd;
int r;
- g_free(data);
trace_pr_manager_run(fd, hdr->cmdp[0], hdr->cmdp[1]);
/* The reference was taken in pr_manager_execute. */
--
2.23.0