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SubjectRe: sysfs mount point permissions in 2.5.64
Patrick,

Thanks. That patch fixed the problem I reported.

Doug Gilbert


Patrick Mochel wrote:
> On Thu, 6 Mar 2003, Douglas Gilbert wrote:
>
>
>>In lk 2.5.64 on my i386 box the sysfs mount point
>>( "/sys") changes permission from:
>> drwxr-xr-x
>>to
>> drw-r--r--
>>during the boot process. I didn't notice this feature
>>in lk 2.5.63 . Chmodding the directory back to its former
>>permissions get overridden by subsequent boot sequences.
>>
>>This change in permissions inhibits non-root users from using
>>utilities that scan sysfs for information (e.g. lsscsi).
>>
>>Is this a feature or otherwise?
>
>
> This is certainly not intended, and is entirely my fault. The patch below
> should fix it.
>
> -pat
>
> ===== fs/sysfs/mount.c 1.5 vs edited =====
> --- 1.5/fs/sysfs/mount.c Tue Mar 4 12:17:14 2003
> +++ edited/fs/sysfs/mount.c Wed Mar 5 17:06:25 2003
> @@ -33,7 +33,7 @@
> sb->s_op = &sysfs_ops;
> sysfs_sb = sb;
>
> - inode = sysfs_new_inode(S_IFDIR | S_IRUGO | S_IWUSR);
> + inode = sysfs_new_inode(S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO);
> if (inode) {
> inode->i_op = &simple_dir_inode_operations;
> inode->i_fop = &simple_dir_operations;
>



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