From: "PaX Team" <pageexec@freemail.hu>
To: "Theodore Ts'o" <tytso@mit.edu>, Emese Revfy <re.emese@gmail.com>,
Shawn C <citypw@gmail.com>
Cc: linux-ext4@vger.kernel.org, Brad Spengler <spender@grsecurity.net>
Subject: Re: PAX: size overflow detected in function ext4_llseek fs/ext4/file.c:670
Date: Sat, 13 May 2017 08:56:36 +0200 [thread overview]
Message-ID: <5916AE24.5257.4AF94ED1@pageexec.freemail.hu> (raw)
In-Reply-To: <81b23073-00e7-9cd0-71e3-b9c085a2ac34@gmail.com>
On 13 May 2017 at 12:23, Shawn C wrote:
> On 05/12/2017 05:58 PM, PaX Team wrote:
> > Shawn, can you do the printk instrumentation i suggested to print out
> > the value of offset (and isize too while at it)?
> >
> I inserted the printk info in fs/ext4/file.c:677
>
> 00------------------
> printk(KERN_DEBUG"offset: %lld, isize: %lld, blkbits: %d\n",
> offset, isize, blkbits);
> 11------------------
>
> result:
>
> offset: 105, isize: 19595264, blkbits: 12
are you sure this is the last message before the size overflow report?
can you perhaps post the relevant portion of dmesg too?
prev parent reply other threads:[~2017-05-13 6:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CABniQZMSW6DiSvJ7Y2TZTwUKX6sGH6-WkQRjL-kPOmdm7PnKHA@mail.gmail.com>
2017-05-12 5:02 ` PAX: size overflow detected in function ext4_llseek fs/ext4/file.c:670 Theodore Ts'o
2017-05-12 9:58 ` PaX Team
2017-05-13 4:23 ` Shawn C
2017-05-13 6:56 ` PaX Team [this message]
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