Messages in this thread | | | Date | Sun, 5 Feb 2012 00:37:45 +0100 (CET) | From | Jesper Juhl <> | Subject | Re: [PATCH] CIFS: Fix NULL pointer dereference in cifs_construct_tcon() |
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On Sun, 5 Feb 2012, Jesper Juhl wrote:
> If the call to kcalloc() fails and returns NULL we'll dereference a
s/kcalloc/kzalloc/
> 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; > } > >
-- 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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