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UPSTREAM: fs/smb/client: Reset password pointer to NULL

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commit e6e43b8aa7cd3c3af686caf0c2e11819a886d705 upstream.

Forget to reset ctx->password to NULL will lead to bug like double free

Bug: 303146572
Cc: stable@vger.kernel.org
Cc: Willy Tarreau <w@1wt.eu>
Reviewed-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Quang Le <quanglex97@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit f555a50808)
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: Iec1eb857124e3b6ffa6dbbeb5f796087a6194057
This commit is contained in:
Quang Le 2023-09-29 00:44:13 +07:00 committed by Treehugger Robot
parent 2807a43b69
commit 7d088a3e4f
1 changed files with 1 additions and 0 deletions
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fs/cifs/fs_context.c
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@ -1479,6 +1479,7 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
cifs_parse_mount_err:
kfree_sensitive(ctx->password);
ctx->password = NULL;
return -EINVAL;
}