From: Andrew Morton <akpm@linux-foundation.org>
To: netdev@vger.kernel.org
Cc: bugzilla-daemon@bugzilla.kernel.org,
bugme-daemon@bugzilla.kernel.org, casteyde.christian@free.fr
Subject: Re: [Bugme-new] [Bug 27212] New: Warning kmemcheck: Caught 64-bit read from uninitialized memory in netlink_broadcast_filtered
Date: Thu, 20 Jan 2011 12:25:49 -0800 [thread overview]
Message-ID: <20110120122549.85863a84.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-27212-10286@https.bugzilla.kernel.org/>
(switched to email. Please respond via emailed reply-to-all, not via the
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On Thu, 20 Jan 2011 20:08:32 GMT
bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=27212
>
> Summary: Warning kmemcheck: Caught 64-bit read from
> uninitialized memory in netlink_broadcast_filtered
> Product: Other
> Version: 2.5
> Kernel Version: 2.6.38-rc1
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: Other
> AssignedTo: other_other@kernel-bugs.osdl.org
> ReportedBy: casteyde.christian@free.fr
> Regression: Yes
>
>
> Athlon 64 X2 3000 in 64bits
> Slackware64 13.1
> Kernel compiled with kmemcheck and other debug options
>
> At boot I got the following warning:
>
> PCI: Using ACPI for IRQ routing
> PCI: pci_cache_line_size set to 64 bytes
> pci 0000:00:00.0: address space collision: [mem 0xe0000000-0xefffffff pref]
> conflicts with GART [mem 0x
> e0000000-0xefffffff]
> reserve RAM buffer: 000000000009fc00 - 000000000009ffff
> reserve RAM buffer: 000000003ffb0000 - 000000003fffffff
> WARNING: kmemcheck: Caught 64-bit read from uninitialized memory
> (ffff88003e170eb0)
> 0000000000000000010000000000000000000000000000000000000000000000
> i i i i i i i i i i i i u u u u u u u u u u u u u u u u u u u u
> ^
>
> Pid: 1, comm: swapper Not tainted 2.6.38-rc1 #2 K8 Combo-Z/K8 Combo-Z
> RIP: 0010:[<ffffffff8127ad72>] [<ffffffff8127ad72>] memmove+0x122/0x1a0
> RSP: 0018:ffff88003e0b3c60 EFLAGS: 00010202
> RAX: ffff88003e170080 RBX: ffff88003e27b500 RCX: 0000000000000020
> RDX: 0000000000000018 RSI: ffff88003e170ea0 RDI: ffff88003e1700a0
> RBP: ffff88003e0b3c60 R08: 0000000000000001 R09: 0000000000000001
> R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
> R13: 0000000000000080 R14: 0000000000000000 R15: 0000000000000001
> FS: 0000000000000000(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: ffff88003e018abc CR3: 0000000001a1c000 CR4: 00000000000006f0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
> [<ffffffff814741c2>] pskb_expand_head+0xc2/0x2a0
> [<ffffffff81498fa7>] netlink_broadcast_filtered+0xa7/0x4a0
> [<ffffffff814993b8>] netlink_broadcast+0x18/0x20
> [<ffffffff8149b884>] genlmsg_mcast+0x144/0x180
> [<ffffffff8149bc4a>] genl_ctrl_event+0xca/0x450
> [<ffffffff8149c75d>] genl_register_mc_group+0x10d/0x2a0
> [<ffffffff81ad9da4>] genl_init+0x6c/0x84
> [<ffffffff810001de>] do_one_initcall+0x3e/0x170
> [<ffffffff81aae6ea>] kernel_init+0x197/0x21b
> [<ffffffff81003254>] kernel_thread_helper+0x4/0x10
> [<ffffffffffffffff>] 0xffffffffffffffff
> pnp: PnP ACPI init
> ACPI: bus type pnp registered
> pnp 00:00: [bus 00-ff]
> pnp 00:00: [io 0x0cf8-0x0cff]
>
> This is specific to 2.6.38-rc1.
>
next parent reply other threads:[~2011-01-20 20:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-27212-10286@https.bugzilla.kernel.org/>
2011-01-20 20:25 ` Andrew Morton [this message]
2011-01-20 20:41 ` [Bugme-new] [Bug 27212] New: Warning kmemcheck: Caught 64-bit read from uninitialized memory in netlink_broadcast_filtered Eric Dumazet
2011-01-21 7:49 ` Pekka Enberg
2011-02-14 17:35 ` Eric Dumazet
2011-02-14 19:43 ` David Miller
2011-02-15 5:48 ` Pekka Enberg
2011-02-15 16:40 ` Christoph Lameter
2011-02-15 22:21 ` David Rientjes
2011-01-26 9:18 ` Eric Dumazet
2011-01-27 22:41 ` David Miller
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