Re: [patch 2.4.28-rc1] Avoid oops in proc_delete_inode

[Keith Owens]

On Thu, 4 Nov 2004 16:29:17 +0100, 
Marc-Christian Petersen <m.c.p@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>On Thursday 04 November 2004 03:35, Keith Owens wrote:
>
>Marcelo,
>
>I just saw you applied this to bk. Cool, but please apply a right version ;)
>
>> Under heavy load, vmstat, top and other programs that access /proc can
>> oops.  PROC_INODE_PROPER(inode) is sometimes false for pid entries
>> (usually zombies), but inode->u.generic_ip is not NULL.
>>
>> Backport a fix by AL Viro from 2.5.7-pre2 to 2.4.28-rc1.
>>
>> Signed-off-by: Keith Owens <kaos@xxxxxxx>
>>
>> Index: 2.4.28-rc1/fs/proc/base.c
>> ===================================================================
>> --- 2.4.28-rc1.orig/fs/proc/base.c 2004-08-08 10:10:49.000000000 +1000
>> +++ 2.4.28-rc1/fs/proc/base.c 2004-11-04 13:25:16.402602459 +1100
>> @@ -780,6 +780,7 @@ out:
>>   return inode;
>>
>>  out_unlock:
>> + node->u.generic_ip = NULL;
>
>has to be:
>
>  + inode->u.generic_ip = NULL;
>
>>   iput(inode);
>>   return NULL;
>>  }

Oops, copied the old patch into the mail.  Where did I put that brown
paper bag?

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/