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ksmbd: fix memory leak in smb2_lock()
[ Upstream commit8f17527230
] In smb2_lock(), if setup_async_work() executes successfully, work->cancel_argv will bind the argv that generated by kmalloc(). And release_async_work() is called in ksmbd_conn_try_dequeue_request() or smb2_lock() to release argv. However, when setup_async_work function fails, work->cancel_argv has not been bound to the argv, resulting in the previously allocated argv not being released. Call kfree() to fix it. Fixes:e2f34481b2
("cifsd: add server-side procedures for SMB3") Signed-off-by: Zizhi Wo <wozizhi@huawei.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -7074,6 +7074,7 @@ int smb2_lock(struct ksmbd_work *work)
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smb2_remove_blocked_lock,
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argv);
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if (rc) {
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kfree(argv);
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err = -ENOMEM;
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goto out;
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}
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