Messages in this thread Patch in this message | | | Date | Sun, 5 Feb 2012 00:35:19 +0100 (CET) | From | Jesper Juhl <> | Subject | [PATCH] CIFS: Fix NULL pointer dereference in cifs_construct_tcon() |
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If the call to kcalloc() fails and returns NULL we'll dereference a NULL 'vol_info' after we jump to the 'out:' label.
Signed-off-by: Jesper Juhl <jj@chaosbits.net> --- fs/cifs/connect.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 986709a..bd67b7c 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3859,7 +3859,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid) vol_info = kzalloc(sizeof(*vol_info), GFP_KERNEL); if (vol_info == NULL) { tcon = ERR_PTR(-ENOMEM); - goto out; + goto out2; } vol_info->local_nls = cifs_sb->local_nls; @@ -3901,7 +3901,7 @@ out: kfree(vol_info->username); kfree(vol_info->password); kfree(vol_info); - +out2: return tcon; } -- 1.7.9
-- Jesper Juhl <jj@chaosbits.net> http://www.chaosbits.net/ Don't top-post http://www.catb.org/jargon/html/T/top-post.html Plain text mails only, please.
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