Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 068/114] fuse: fix memleak in cuse_channel_open | Date | Thu, 10 Oct 2019 10:36:15 +0200 |
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From: zhengbin <zhengbin13@huawei.com>
[ Upstream commit 9ad09b1976c562061636ff1e01bfc3a57aebe56b ]
If cuse_send_init fails, need to fuse_conn_put cc->fc.
cuse_channel_open->fuse_conn_init->refcount_set(&fc->count, 1) ->fuse_dev_alloc->fuse_conn_get ->fuse_dev_free->fuse_conn_put
Fixes: cc080e9e9be1 ("fuse: introduce per-instance fuse_dev structure") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: zhengbin <zhengbin13@huawei.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- fs/fuse/cuse.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index 8f68181256c00..f057c213c453a 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -518,6 +518,7 @@ static int cuse_channel_open(struct inode *inode, struct file *file) rc = cuse_send_init(cc); if (rc) { fuse_dev_free(fud); + fuse_conn_put(&cc->fc); return rc; } file->private_data = fud; -- 2.20.1
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