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ecryptfs: fix a memory leak bug in ecryptfs_init_messaging()
commitb4a81b87a4
upstream. In ecryptfs_init_messaging(), if the allocation for 'ecryptfs_msg_ctx_arr' fails, the previously allocated 'ecryptfs_daemon_hash' is not deallocated, leading to a memory leak bug. To fix this issue, free 'ecryptfs_daemon_hash' before returning the error. Cc: stable@vger.kernel.org Fixes:88b4a07e66
("[PATCH] eCryptfs: Public key transport mechanism") Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu> Signed-off-by: Tyler Hicks <tyhicks@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -397,6 +397,7 @@ int __init ecryptfs_init_messaging(void)
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* ecryptfs_message_buf_len),
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* ecryptfs_message_buf_len),
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GFP_KERNEL);
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GFP_KERNEL);
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if (!ecryptfs_msg_ctx_arr) {
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if (!ecryptfs_msg_ctx_arr) {
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kfree(ecryptfs_daemon_hash);
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rc = -ENOMEM;
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rc = -ENOMEM;
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printk(KERN_ERR "%s: Failed to allocate memory\n", __func__);
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printk(KERN_ERR "%s: Failed to allocate memory\n", __func__);
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goto out;
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goto out;
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