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authorzhengbin <zhengbin13@huawei.com>2019-08-14 15:59:09 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-17 13:42:12 -0700
commit80a84d6c828140663befcc3795afb0b0d726f6b0 (patch)
tree09f6226c885e74416b0f7d9cff426303af35d3ea /fs/fuse
parent3e5043ad4b49393fa69932ec21b0c7ecc68779ea (diff)
fuse: fix memleak in cuse_channel_open
[ 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>
Diffstat (limited to 'fs/fuse')
-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 c5b6b7165489..d9aba9700726 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -513,6 +513,7 @@ 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;