Thank you for testing. Mark and Joel, would you pick up this patch via your tree? Tariq Saeed wrote: > The patch works. What is the plan for submitting to mainline? > Thanks, > -Tariq > > On 03/19/2014 05:55 AM, Tetsuo Handa wrote: > > Tariq Saeed wrote: > >> This commit did not take into account the callers of this function who > >> assume they need to kfree() the name. It causes panic in ocfs2 on create > >> file. I am puzzled how did this commit got into the tree without changing > >> the callsites to NOT call kfree anymore. Am I missing something? > > > > You are right. It is my mistake. I didn't realize that ocfs2 is calling kfree() > > on the name field. Would you please test below patch? > > > > Regards. > > ---------- > >>From 3940749700148f58265407987f813b773515661a Mon Sep 17 00:00:00 2001 > > From: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> > > Date: Wed, 19 Mar 2014 21:49:21 +0900 > > Subject: [PATCH] ocfs2: Fix panic on kfree(xattr->name) > > > > Commit 9548906b 'xattr: Constify ->name member of "struct xattr".' missed that > > ocfs2 is calling kfree(xattr->name). As a result, kernel panic occurs upon > > calling kfree(xattr->name) because xattr->name refers static constant names. > > This patch removes kfree(xattr->name) from ocfs2_mknod() and ocfs2_symlink(). > > > > Reported-by: Tariq Saeed <tariq.x.saeed@xxxxxxxxxx> > > Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> > > Cc: <stable@xxxxxxxxxxxxxxx> [3.12+] > > --- > > fs/ocfs2/namei.c | 2 -- > > 1 files changed, 0 insertions(+), 2 deletions(-) > > > > diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c > > index 3683643..feed025 100644 > > --- a/fs/ocfs2/namei.c > > +++ b/fs/ocfs2/namei.c > > @@ -450,7 +450,6 @@ leave: > > > > brelse(new_fe_bh); > > brelse(parent_fe_bh); > > - kfree(si.name); > > kfree(si.value); > > > > ocfs2_free_dir_lookup_result(&lookup); > > @@ -1855,7 +1854,6 @@ bail: > > > > brelse(new_fe_bh); > > brelse(parent_fe_bh); > > - kfree(si.name); > > kfree(si.value); > > ocfs2_free_dir_lookup_result(&lookup); > > if (inode_ac) > > > -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html