64 lines
2.1 KiB
Diff
64 lines
2.1 KiB
Diff
From ceb6d97674b8bc9a072db1be4167411bc0ee48d7 Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Date: Mon, 27 Jan 2020 19:02:02 +0100
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Subject: [PATCH 091/116] Virtiofsd: fix memory leak on fuse queueinfo
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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: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: <20200127190227.40942-88-dgilbert@redhat.com>
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Patchwork-id: 93542
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O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 087/112] Virtiofsd: fix memory leak on fuse queueinfo
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Bugzilla: 1694164
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
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From: Liu Bo <bo.liu@linux.alibaba.com>
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For fuse's queueinfo, both queueinfo array and queueinfos are allocated in
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fv_queue_set_started() but not cleaned up when the daemon process quits.
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This fixes the leak in proper places.
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Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
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Signed-off-by: Eric Ren <renzhen@linux.alibaba.com>
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Reviewed-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit 740b0b700a6338a1cf60c26229651ac5f6724944)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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tools/virtiofsd/fuse_virtio.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c
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index b7948de..fb8d6d1 100644
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--- a/tools/virtiofsd/fuse_virtio.c
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+++ b/tools/virtiofsd/fuse_virtio.c
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@@ -625,6 +625,8 @@ static void fv_queue_cleanup_thread(struct fv_VuDev *vud, int qidx)
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}
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close(ourqi->kill_fd);
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ourqi->kick_fd = -1;
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+ free(vud->qi[qidx]);
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+ vud->qi[qidx] = NULL;
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}
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/* Callback from libvhost-user on start or stop of a queue */
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@@ -884,6 +886,12 @@ int virtio_session_mount(struct fuse_session *se)
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void virtio_session_close(struct fuse_session *se)
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{
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close(se->vu_socketfd);
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+
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+ if (!se->virtio_dev) {
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+ return;
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+ }
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+
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+ free(se->virtio_dev->qi);
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free(se->virtio_dev);
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se->virtio_dev = NULL;
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}
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--
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1.8.3.1
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