From: Dave Jones <davej@redhat.com>
To: linux-scsi@vger.kernel.org
Cc: linux-usb-devel@lists.sourceforge.net
Subject: USB/SCSI slab corruption.
Date: Thu, 12 Jan 2006 18:36:06 -0500 [thread overview]
Message-ID: <20060112233606.GP19827@redhat.com> (raw)
A nasty 2.6.15 report from one of our Fedora users.
Dave
> then when it got to map my USB drive:
> SCSI device sdb: 321672960 512-byte hdwr sectors (164697 MB)
> slab error in cache_free_debugcheck(): cache `sgpool-8': double free, or
> memory outside object was overwritten
> [<c0153593>] cache_free_debugcheck+0x1ab/0x22f [<c014d3c2>]
> mempool_free+0x3a/0x73
> [<c01540e2>] kmem_cache_free+0x2a/0x69 [<c014d3c2>]
> mempool_free+0x3a/0x73
> [<f8862c8b>] scsi_io_completion+0x207/0x4d2 [scsi_mod] [<f885dcad>]
> scsi_finish_command+0x82/0xd0 [scsi_mod]
> [<f885db8e>] scsi_softirq+0xc0/0x137 [scsi_mod] [<c012a152>]
> __do_softirq+0x72/0xdc
> [<c01063d3>] do_softirq+0x4b/0x4f
> =======================
> [<c01062b5>] do_IRQ+0x55/0x86 [<c0104aca>] common_interrupt+0x1a/0x20
> [<c010201a>] default_idle+0x0/0x55 [<c0102046>] default_idle+0x2c/0x55
> [<c01020ef>] cpu_idle+0x6c/0xa7
> f79a41d0: redzone 1: 0x170fc2a5, redzone 2: 0xc014d2d1.
> slab error in cache_free_debugcheck(): cache `sgpool-8': double free, or
> memory outside object was overwritten
> [<c0153593>] cache_free_debugcheck+0x1ab/0x22f [<c014d3c2>]
> mempool_free+0x3a/0x73
> [<c01540e2>] kmem_cache_free+0x2a/0x69 [<c014d3c2>]
> mempool_free+0x3a/0x73
> [<f8862c8b>] scsi_io_completion+0x207/0x4d2 [scsi_mod] [<f885dcad>]
> scsi_finish_command+0x82/0xd0 [scsi_mod]
> [<f885db8e>] scsi_softirq+0xc0/0x137 [scsi_mod] [<c012a152>]
> __do_softirq+0x72/0xdc
> [<c01063d3>] do_softirq+0x4b/0x4f
> =======================
> [<c01062b5>] do_IRQ+0x55/0x86 [<c0104aca>] common_interrupt+0x1a/0x20
> [<c010201a>] default_idle+0x0/0x55 [<c0102046>] default_idle+0x2c/0x55
> [<c01020ef>] cpu_idle+0x6c/0xa7
> f79a41d0: redzone 1: 0x170fc2a5, redzone 2: 0xc014d2d1.
> sdb: got wrong page
> sdb: assuming drive cache: write through
> SCSI device sdb: 321672960 512-byte hdwr sectors (164697 MB)
> slab error in cache_free_debugcheck(): cache `sgpool-8': double free, or
> memory outside object was overwritten
> [<c0153593>] cache_free_debugcheck+0x1ab/0x22f [<c014d3c2>]
> mempool_free+0x3a/0x73
> [<c01540e2>] kmem_cache_free+0x2a/0x69 [<c014d3c2>]
> mempool_free+0x3a/0x73
> [<f8862c8b>] scsi_io_completion+0x207/0x4d2 [scsi_mod] [<f885dcad>]
> scsi_finish_command+0x82/0xd0 [scsi_mod]
> [<f885db8e>] scsi_softirq+0xc0/0x137 [scsi_mod] [<c012a152>]
> __do_softirq+0x72/0xdc
> [<c01063d3>] do_softirq+0x4b/0x4f
> =======================
> [<c01062b5>] do_IRQ+0x55/0x86 [<c016a311>] filp_close+0x3e/0x62
> [<c0104aca>] common_interrupt+0x1a/0x20
> f79a41d0: redzone 1: 0x170fc2a5, redzone 2: 0xc014d2d1.
> slab error in cache_free_debugcheck(): cache `sgpool-8': double free, or
> memory outside object was overwritten
> [<c0153593>] cache_free_debugcheck+0x1ab/0x22f [<c014d3c2>]
> mempool_free+0x3a/0x73
> [<c01540e2>] kmem_cache_free+0x2a/0x69 [<c014d3c2>]
> mempool_free+0x3a/0x73
> [<f8862c8b>] scsi_io_completion+0x207/0x4d2 [scsi_mod] [<f885dcad>]
> scsi_finish_command+0x82/0xd0 [scsi_mod]
> [<f885db8e>] scsi_softirq+0xc0/0x137 [scsi_mod] [<c012a152>]
> __do_softirq+0x72/0xdc
> [<c01063d3>] do_softirq+0x4b/0x4f
> =======================
> [<c01062b5>] do_IRQ+0x55/0x86 [<c0104aca>] common_interrupt+0x1a/0x20
> f79a41d0: redzone 1: 0x170fc2a5, redzone 2: 0xc014d2d1.
> sdb: got wrong page
> sdb: assuming drive cache: write through
> sdb: sdb1 sdb2 sdb4 < sdb5 sdb6 sdb7 sdb8 sdb9 >
> sd 3:0:0:0: Attached scsi disk sdb
next reply other threads:[~2006-01-12 23:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-12 23:36 Dave Jones [this message]
2006-01-13 0:23 ` USB/SCSI slab corruption Stefan Richter
2006-01-13 9:39 ` F. Poncin
2006-01-13 1:30 ` James Bottomley
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