[Ocfs2-devel] kernel BUG at fs/buffer.c:2886! Linux 3.5.0

[Sunil Mushran]

On Thu, Aug 2, 2012 at 12:28 PM, Vincent ETIENNE <ve at vetienne.net> wrote:

> Hi
>
> based on current git ( commit 1a9b4993b70fb1884716902774dc9025b457760d )
> and  reverting commit  ea022dfb3c2a4680483b00eb2fecc9fc4f6091d1
>
> commit ea022dfb3c2a4680483b00eb2fecc9fc4f6091d1
> Author: Al Viro <viro at zeniv.linux.org.uk>
> Date:   Thu May 3 10:14:29 2012 -0400
>
>     ocfs: simplify symlink handling
>
>  and  adding the correction from
>
>
> https://oss.oracle.com/git/?p=smushran/linux-2.6.git;a=commit;h=a2118b301104a24381b414bc93371d666fe8d43a
>
> suppres the fallocate bug
>
> and lead to no oops. At least immediatly. Will let it run some times
>


Apply this change and re-run:

diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c
index f1fbb4b..66edce7 100644
--- a/fs/ocfs2/symlink.c
+++ b/fs/ocfs2/symlink.c
@@ -57,7 +57,7 @@
 static int ocfs2_fast_symlink_readpage(struct file *unused, struct page
*page)
 {
        struct inode *inode = page->mapping->host;
-       struct buffer_head *bh;
+       struct buffer_head *bh = NULL;
        int status = ocfs2_read_inode_block(inode, &bh);
        struct ocfs2_dinode *fe;
        const char *link;
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