From: Andrew Morton <akpm@linux-foundation.org>
To: netdev@vger.kernel.org, Gary Zambrano <zambrano@broadcom.com>
Cc: bugme-daemon@bugzilla.kernel.org, alexey.zaytsev@gmail.com
Subject: Re: [Bugme-new] [Bug 38102] New: BUG kmalloc-2048: Poison overwritten
Date: Wed, 29 Jun 2011 14:51:35 -0700 [thread overview]
Message-ID: <20110629145135.5179fb0c.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-38102-10286@https.bugzilla.kernel.org/>
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Thu, 23 Jun 2011 17:33:54 GMT
bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=38102
>
> Summary: BUG kmalloc-2048: Poison overwritten
> Product: Drivers
> Version: 2.5
> Kernel Version: 3.0.0-rc4
Looks like a 2.6.38->2.6.39 regression, perhaps a memory scribble in b44.
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: high
> Priority: P1
> Component: Network
> AssignedTo: drivers_network@kernel-bugs.osdl.org
> ReportedBy: alexey.zaytsev@gmail.com
> Regression: Yes
>
>
> Created an attachment (id=63342)
> --> (https://bugzilla.kernel.org/attachment.cgi?id=63342)
> dmesg
>
> Hi.
>
> Getting a bunch of kmalloc-2048 use-after-free. First noticed in 2.6.39, but
> also present in 3.0.0-rc4.
>
> I guess it might be driver-related, as the problem went unnoticed for a whole
> release. The device is
>
> 02:0e.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev
> 02)
> Subsystem: Hewlett-Packard Company NX7300 laptop
> Flags: bus master, fast devsel, latency 64, IRQ 16
> Memory at f4108000 (32-bit, non-prefetchable) [size=8K]
> Capabilities: [40] Power Management version 2
> Kernel driver in use: b44
>
>
> Config and dmesg attached. I'm noticing the problem when ssh'ing to an illumos
> box, as ssh would disconnect when the illumos build process spews the cached
> build-logs. But the problem might be unrelated, as one corruption contains http
> data. It also seems is hard to trigger any other traffic, even from the same
> box.
>
next parent reply other threads:[~2011-06-29 21:52 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-38102-10286@https.bugzilla.kernel.org/>
2011-06-29 21:51 ` Andrew Morton [this message]
2011-07-01 6:01 ` [Bugme-new] [Bug 38102] New: BUG kmalloc-2048: Poison overwritten Alexey Zaytsev
2011-07-02 21:25 ` Alexey Zaytsev
2011-07-03 15:46 ` Eric Dumazet
2011-07-04 11:48 ` Alexey Zaytsev
2011-07-04 13:05 ` Michael Büsch
2011-07-04 13:57 ` Eric Dumazet
2011-07-04 14:27 ` Michael Büsch
2011-07-04 14:43 ` Michael Büsch
2011-07-04 14:53 ` Eric Dumazet
2011-07-04 15:12 ` Eric Dumazet
2011-07-04 20:25 ` Alexey Zaytsev
2011-07-04 22:29 ` Alexey Zaytsev
2011-07-05 3:44 ` Eric Dumazet
2011-07-05 3:56 ` Alexey Zaytsev
2011-07-05 4:11 ` Eric Dumazet
2011-07-05 4:14 ` Eric Dumazet
2011-07-05 4:17 ` Alexey Zaytsev
2011-07-05 4:18 ` Alexey Zaytsev
2011-07-05 4:25 ` Eric Dumazet
2011-07-05 4:29 ` Alexey Zaytsev
2011-07-05 4:38 ` Eric Dumazet
2011-07-05 4:57 ` Alexey Zaytsev
2011-07-05 5:10 ` Eric Dumazet
2011-07-05 5:18 ` Alexey Zaytsev
2011-07-05 5:33 ` Eric Dumazet
2011-07-05 5:59 ` Eric Dumazet
2011-07-05 16:05 ` Neil Horman
2011-07-05 16:12 ` Eric Dumazet
2011-07-05 16:27 ` Michael Büsch
2011-07-05 16:42 ` Neil Horman
2011-07-05 16:47 ` Eric Dumazet
2011-07-05 16:57 ` Eric Dumazet
2011-07-05 17:01 ` Joe Perches
2011-07-05 17:21 ` Neil Horman
2011-07-05 18:06 ` Neil Horman
2011-07-05 18:13 ` Eric Dumazet
2011-07-05 18:32 ` Eric Dumazet
2011-07-05 18:45 ` Eric Dumazet
2011-07-05 19:53 ` Neil Horman
2011-07-05 20:02 ` Eric Dumazet
2011-07-05 20:15 ` Eric Dumazet
2011-07-05 22:06 ` Neil Horman
2011-07-06 15:32 ` Michael Büsch
2011-07-06 16:00 ` Eric Dumazet
2011-07-06 16:12 ` Michael Büsch
2011-07-06 16:35 ` Eric Dumazet
2011-07-06 16:56 ` Eric Dumazet
2011-07-07 6:32 ` Alexey Zaytsev
2011-07-07 6:48 ` Eric Dumazet
2011-07-07 7:45 ` Alexey Zaytsev
2011-07-07 9:20 ` Eric Dumazet
2011-07-07 9:34 ` Alexey Zaytsev
2011-07-07 9:37 ` Alexey Zaytsev
2011-07-07 9:43 ` Alexey Zaytsev
2011-07-07 9:52 ` Eric Dumazet
2011-07-05 4:21 ` Eric Dumazet
2011-07-04 14:00 ` Eric Dumazet
2011-07-04 14:31 ` Michael Büsch
2011-07-04 14:45 ` Eric Dumazet
2011-07-04 14:51 ` Michael Büsch
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