57 lines
1.9 KiB
Diff
57 lines
1.9 KiB
Diff
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From 84728251439a3b73a57a8d72cc4d39307207cc01 Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Fri, 20 Sep 2019 16:48:41 +0100
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Subject: [PATCH 4/4] pr-manager: Fix invalid g_free() crash bug
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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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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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Message-id: <20190920164841.10424-1-pbonzini@redhat.com>
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Patchwork-id: 90824
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O-Subject: [RHEL-AV-8.1.0 qemu-kvm PATCH v2] pr-manager: Fix invalid g_free() crash bug
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Bugzilla: 1753992
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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From: Markus Armbruster <armbru@redhat.com>
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BZ: 1753992
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BRANCH: rhel-av-8.1.0/master-4.1.0
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Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=23612762
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Upstream: 6b9d62c2a9e83bbad73fb61406f0ff69b46ff6f3
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pr_manager_worker() passes its @opaque argument to g_free(). Wrong;
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it points to pr_manager_worker()'s automatic @data. Broken when
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commit 2f3a7ab39be converted @data from heap- to stack-allocated. Fix
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by deleting the g_free().
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Fixes: 2f3a7ab39bec4ba8022dc4d42ea641165b004e3e
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 6b9d62c2a9e83bbad73fb61406f0ff69b46ff6f3)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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scsi/pr-manager.c | 1 -
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1 file changed, 1 deletion(-)
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diff --git a/scsi/pr-manager.c b/scsi/pr-manager.c
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index ee43663..0c866e8 100644
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--- a/scsi/pr-manager.c
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+++ b/scsi/pr-manager.c
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@@ -39,7 +39,6 @@ static int pr_manager_worker(void *opaque)
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int fd = data->fd;
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int r;
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- g_free(data);
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trace_pr_manager_run(fd, hdr->cmdp[0], hdr->cmdp[1]);
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/* The reference was taken in pr_manager_execute. */
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--
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1.8.3.1
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