From: Johannes Berg <johannes@sipsolutions.net>
To: linux-wireless <linux-wireless@vger.kernel.org>
Cc: dsd <dsd@gentoo.org>
Subject: zd1211rw keeps upsetting slab
Date: Fri, 13 Mar 2009 11:18:02 +0100 [thread overview]
Message-ID: <1236939482.5235.0.camel@johannes.local> (raw)
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After I unplug/plug it back in I frequently get:
[ 251.409943] =============================================================================
[ 251.409950] BUG kmalloc-64: Poison overwritten
[ 251.409953] -----------------------------------------------------------------------------
[ 251.409954]
[ 251.409958] INFO: 0xffff88006b1ad330-0xffff88006b1ad33f. First byte 0x1 instead of 0x6b
[ 251.409970] INFO: Allocated in zd_usb_enable_int+0xa5/0x180 [zd1211rw] age=8959 cpu=1 pid=3528
[ 251.409978] INFO: Freed in int_urb_complete+0x92/0x1bc [zd1211rw] age=3337 cpu=0 pid=4945
[ 251.409982] INFO: Slab 0xffffe20002b82e48 objects=30 used=29 fp=0xffff88006b1ad330 flags=0x40000000000000c3
[ 251.409985] INFO: Object 0xffff88006b1ad330 @offset=816 fp=0x(null)
[ 251.409986]
[ 251.409989] Bytes b4 0xffff88006b1ad320: 68 b8 ff ff 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a h���....ZZZZZZZZ
[ 251.410012] Object 0xffff88006b1ad330: 01 90 82 96 00 00 80 96 a0 00 00 00 ff ff ff 00 ............���.
[ 251.410034] Object 0xffff88006b1ad340: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 251.410055] Object 0xffff88006b1ad350: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 251.410077] Object 0xffff88006b1ad360: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk�
[ 251.410098] Redzone 0xffff88006b1ad370: bb bb bb bb bb bb bb bb ��������
[ 251.410120] Padding 0xffff88006b1ad3b0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
[ 251.410142] Pid: 5211, comm: mountnfs Not tainted 2.6.29-rc7-wl-17136-g456d763-dirty #59
[ 251.410145] Call Trace:
[ 251.410155] [<ffffffff802d3a26>] print_trailer+0x106/0x160
[ 251.410159] [<ffffffff802d4185>] check_bytes_and_report+0x125/0x180
[ 251.410164] [<ffffffff802d428c>] check_object+0xac/0x270
[ 251.410169] [<ffffffff802f1ff4>] ? alloc_fdtable+0xb4/0x160
[ 251.410173] [<ffffffff802d4ea5>] alloc_debug_processing+0x105/0x1a0
[ 251.410177] [<ffffffff802d62e6>] __slab_alloc+0x96/0x2f0
[ 251.410181] [<ffffffff802f1ff4>] ? alloc_fdtable+0xb4/0x160
[ 251.410186] [<ffffffff802f1ff4>] ? alloc_fdtable+0xb4/0x160
[ 251.410190] [<ffffffff802d7316>] __kmalloc+0x106/0x140
[ 251.410194] [<ffffffff802f1ff4>] alloc_fdtable+0xb4/0x160
[ 251.410198] [<ffffffff802f23df>] dup_fd+0x33f/0x430
[ 251.410203] [<ffffffff80245995>] copy_process+0x905/0xfb0
[ 251.410207] [<ffffffff802460cb>] do_fork+0x8b/0x490
[ 251.410213] [<ffffffff805b6fcb>] ? _spin_unlock_irq+0x2b/0x60
[ 251.410218] [<ffffffff802735c2>] ? trace_hardirqs_on_caller+0x182/0x1e0
[ 251.410222] [<ffffffff8027362d>] ? trace_hardirqs_on+0xd/0x10
[ 251.410227] [<ffffffff8020bd4c>] ? sysret_check+0x27/0x62
[ 251.410231] [<ffffffff8020bd4c>] ? sysret_check+0x27/0x62
[ 251.410235] [<ffffffff80209e63>] sys_clone+0x23/0x30
[ 251.410239] [<ffffffff8020c083>] stub_clone+0x13/0x20
[ 251.410243] [<ffffffff8020bd1b>] ? system_call_fastpath+0x16/0x1b
[ 251.410247] FIX kmalloc-64: Restoring 0xffff88006b1ad330-0xffff88006b1ad33f=0x6b
[ 251.410248]
[ 251.410251] FIX kmalloc-64: Marking all objects used
[ 255.500064] wlan1: no IPv6 routers present
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reply other threads:[~2009-03-13 10:18 UTC|newest]
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