Re: bug in get_name of export operations?

From: Vladimir V. Saveliev
Date: Tue Dec 20 2005 - 06:35:32 EST


Hello

Andrew Morton wrote:
> "Vladimir V. Saveliev" <vs@xxxxxxxxxxx> wrote:
>>Hello
>>
>>Please point my error if I am wrong:
>>
>>fs/exportfs/expfs.c:get_name() opens a directory with:
>>file = dentry_open(dget(dentry), NULL, O_RDONLY);
>>which results in file where file->f_vfsmnt == NULL.
>>
>>Then fs/readdir.c:vfs_readdir() and, therefore,
>>include/linux/fs.h:file_accessed(file) are called.
>>file_accessed() calls fs/inode.c:touch_atime() which tryies to dereference mnt
>>which is NULL.
>>
>
> I think you're looking at the -mm tree, in which Christoph changed all that
> stuff.
>

Ah, sorry, yes, I found that in 2.6.15-rc5-mm3

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