qemu/0093-Virtiofsd-fix-memory-leak-on-fuse-queueinfo.patch
Cole Robinson 1d442bb612 qemu-4.2.0-4.fc32
virtio-fs support from upstream
2020-01-28 10:36:21 -05:00

45 lines
1.4 KiB
Diff

From: Liu Bo <bo.liu@linux.alibaba.com>
Date: Mon, 27 Jan 2020 19:02:02 +0000
Subject: [PATCH] Virtiofsd: fix memory leak on fuse queueinfo
For fuse's queueinfo, both queueinfo array and queueinfos are allocated in
fv_queue_set_started() but not cleaned up when the daemon process quits.
This fixes the leak in proper places.
Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: Eric Ren <renzhen@linux.alibaba.com>
Reviewed-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 740b0b700a6338a1cf60c26229651ac5f6724944)
---
tools/virtiofsd/fuse_virtio.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c
index b7948def27..fb8d6d1379 100644
--- a/tools/virtiofsd/fuse_virtio.c
+++ b/tools/virtiofsd/fuse_virtio.c
@@ -625,6 +625,8 @@ static void fv_queue_cleanup_thread(struct fv_VuDev *vud, int qidx)
}
close(ourqi->kill_fd);
ourqi->kick_fd = -1;
+ free(vud->qi[qidx]);
+ vud->qi[qidx] = NULL;
}
/* Callback from libvhost-user on start or stop of a queue */
@@ -884,6 +886,12 @@ int virtio_session_mount(struct fuse_session *se)
void virtio_session_close(struct fuse_session *se)
{
close(se->vu_socketfd);
+
+ if (!se->virtio_dev) {
+ return;
+ }
+
+ free(se->virtio_dev->qi);
free(se->virtio_dev);
se->virtio_dev = NULL;
}