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authorzhengbin <zhengbin13@huawei.com>2019-08-14 10:59:09 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2019-09-24 16:28:01 +0300
commit9ad09b1976c562061636ff1e01bfc3a57aebe56b (patch)
treed8fab85d48e1041b9f395146b9fe3b97729c7684 /fs
parente5854b1cdf6cb48a20e01e3bdad0476a4c60a077 (diff)
downloadlinux-9ad09b1976c562061636ff1e01bfc3a57aebe56b.tar.xz
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: 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>
Diffstat (limited to 'fs')
-rw-r--r--fs/fuse/cuse.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index 45762bb7a934..00015d851382 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -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;