Commit 9ad09b19 authored Aug 14, 2019 by zhengbin Committed by Miklos Szeredi Sep 24, 2019

fuse: fix memleak in cuse_channel_open



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: cc080e9e ("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>

parent e5854b1c

fs/fuse/cuse.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -521,6 +521,7 @@ 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;

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