Public bug reported:
Wacom module crashes with kernel 3.5.0
[ 7.058761] ------------[ cut here ]------------
[ 7.058769] kernel BUG at /build/buildd/linux-3.5.0/mm/slub.c:3474!
[ 7.058774] invalid opcode: 0000 [#1] SMP
[ 7.058777] CPU 1
[ 7.058827] Modules linked in: wacom(+) hp_wmi(+) sparse_keymap btusb
snd_hda_intel(+) snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi
bnep snd_seq_midi_event iwlwifi radeon(+) kvm i915(+) rfcomm microcode(+)
snd_rawmidi ttm bluetooth snd_seq psmouse drm_kms_helper mac80211
snd_seq_device drm hp_accel snd_timer parport_pc serio_raw lis3lv02d ppdev
input_polldev cfg80211 i2c_algo_bit lp snd wmi parport lpc_ich soundcore
mac_hid video coretemp binfmt_misc zfs(PO) ums_realtek uas zunicode(PO)
zavl(PO) zcommon(PO) znvpair(PO) spl(O) zlib_deflate r8169 usb_storage
[ 7.058831]
[ 7.058838] Pid: 1207, comm: modprobe Tainted: P IO 3.5.0-2-generic
#2-Ubuntu Hewlett-Packard HP TouchSmart tm2 Notebook PC/3661
[ 7.058848] RIP: 0010:[<ffffffff8116ddcb>] [<ffffffff8116ddcb>]
kfree+0x10b/0x110
[ 7.058851] RSP: 0018:ffff8802178c5c38 EFLAGS: 00010246
[ 7.058854] RAX: 0200000000000000 RBX: ffff8802196d020c RCX: 0000000182000111
[ 7.058857] RDX: ffffffff7fffffff RSI: ffffea000865b7c0 RDI: ffff8802196d020c
[ 7.058859] RBP: ffff8802178c5c58 R08: ffff8802196dfb78 R09: 0000000000000002
[ 7.058862] R10: ffffea000865b400 R11: ffffffff814ab5b2 R12: ffff88022faed800
[ 7.058864] R13: ffffffffa06f3139 R14: ffff880226cfa059 R15: ffff88021e88fc00
[ 7.058868] FS: 00007f7d26c9e700(0000) GS:ffff88023fc80000(0000)
knlGS:0000000000000000
[ 7.058871] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 7.058874] CR2: 00007fe134b22000 CR3: 0000000217aad000 CR4: 00000000000407e0
[ 7.058876] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7.058879] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 7.058882] Process modprobe (pid: 1207, threadinfo ffff8802178c4000, task
ffff880217e8ae00)
[ 7.058884] Stack:
[ 7.058890] ffff88022faed800 0000000000000001 ffff88022faed800
000000000000005a
[ 7.058896] ffff8802178c5ce8 ffffffffa06f3139 ffff88021e88fc00
ffff880200000165
[ 7.058902] ffff880200001388 ffff88021e820939 ffff8802178c5ce8
ffffffff00000002
[ 7.058904] Call Trace:
[ 7.058914] [<ffffffffa06f3139>] wacom_parse_hid.isra.6+0x209/0x450 [wacom]
[ 7.058922] [<ffffffffa06f4502>] wacom_probe+0x532/0x880 [wacom]
[ 7.058929] [<ffffffff814aeb71>] usb_probe_interface+0x181/0x230
[ 7.058935] [<ffffffff8141369e>] driver_probe_device+0x7e/0x220
[ 7.058939] [<ffffffff814138eb>] __driver_attach+0xab/0xb0
[ 7.058943] [<ffffffff81413840>] ? driver_probe_device+0x220/0x220
[ 7.058949] [<ffffffff81411965>] bus_for_each_dev+0x55/0x90
[ 7.058954] [<ffffffff814130ae>] driver_attach+0x1e/0x20
[ 7.058958] [<ffffffff81412d68>] bus_add_driver+0x198/0x270
[ 7.058963] [<ffffffff81413fb7>] driver_register+0x77/0x150
[ 7.058968] [<ffffffff814ad59e>] usb_register_driver+0x8e/0x160
[ 7.058973] [<ffffffffa06fd000>] ? 0xffffffffa06fcfff
[ 7.058980] [<ffffffffa06fd01e>] wacom_driver_init+0x1e/0x1000 [wacom]
[ 7.058986] [<ffffffff8100212a>] do_one_initcall+0x12a/0x180
[ 7.058991] [<ffffffff810b5292>] sys_init_module+0xc2/0x230
[ 7.058997] [<ffffffff8167c8e9>] system_call_fastpath+0x16/0x1b
[ 7.059043] Code: 89 d9 48 89 da 4c 89 d6 e8 9d c4 4f 00 eb a8 49 f7 02 00
c0 00 00 74 13 4c 89 d7 e8 e0 13 fc ff eb 95 4d 8b 52 30 e9 42 ff ff ff <0f> 0b
0f 1f 00 55 48 89 e5 53 48 83 ec 08 66 66 66 66 90 48 89
[ 7.059048] RIP [<ffffffff8116ddcb>] kfree+0x10b/0x110
[ 7.059051] RSP <ffff8802178c5c38>
[ 7.059055] ---[ end trace a7919e7f17c0a727 ]---
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1018868
Title:
Wacom module crashes with kernel 3.5.0
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