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Message-Id: <1202364559-9201-13-git-send-email-teigland@redhat.com> Date: Thu, 7 Feb 2008 00:09:15 -0600 From: David Teigland <teigland@...hat.com> To: linux-kernel@...r.kernel.org Cc: Al Viro <viro@...iv.linux.org.uk> Subject: [PATCH 12/16] dlm: fix dlm_dir_lookup() handling of too long names From: Al Viro <viro@...iv.linux.org.uk> ... those can happen and BUG() from DLM_ASSERT() in allocate_direntry() is not a good way to handle them. Signed-off-by: Al Viro <viro@...iv.linux.org.uk> Signed-off-by: David Teigland <teigland@...hat.com> --- fs/dlm/dir.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/fs/dlm/dir.c b/fs/dlm/dir.c index 831050e..85defeb 100644 --- a/fs/dlm/dir.c +++ b/fs/dlm/dir.c @@ -319,6 +319,9 @@ static int get_entry(struct dlm_ls *ls, int nodeid, char *name, write_unlock(&ls->ls_dirtbl[bucket].lock); + if (namelen > DLM_RESNAME_MAXLEN) + return -EINVAL; + de = kzalloc(sizeof(struct dlm_direntry) + namelen, GFP_KERNEL); if (!de) return -ENOMEM; -- 1.5.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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