Re: [Bug 8476] kernel BUG at include/linux/slub_def.h:88 kmalloc_index()

On Tue, 15 May 2007 12:30:23 -0700
[email protected] wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=8476
> 
> 
> 
> 
> 
> ------- Additional Comments From [email protected]  2007-05-15 12:32 -------
> Created an attachment (id=11511)
>  --> (http://bugzilla.kernel.org/attachment.cgi?id=11511&action=view)
> dmesg, .config...
> 
> Attachment includes: cpuinfo  dmesg  gentoo_emerge_info  kernel_config	lsmod 
> lspci  lspci-vv  meminfo
> 
> BUG: at include/linux/slub_def.h:88 kmalloc_index()
> 
> Call Trace:
>  [<ffffffff8027efb9>] get_slab+0x229/0x240
>  [<ffffffff802805c5>] __kmalloc_track_caller+0x95/0xc0
>  [<ffffffff88179f99>] :usbcore:usb_get_configuration+0x8b9/0xf70
>  [<ffffffff80280553>] __kmalloc_track_caller+0x23/0xc0
>  [<ffffffff8026647b>] __kzalloc+0x1b/0x50
>  [<ffffffff88179f99>] :usbcore:usb_get_configuration+0x8b9/0xf70
>  [<ffffffff881782ec>] :usbcore:usb_get_device_descriptor+0x7c/0xa0
>  [<ffffffff8024b1ff>] mark_held_locks+0x3f/0x80
>  [<ffffffff88172104>] :usbcore:usb_new_device+0x14/0x100
>  [<ffffffff88172a4a>] :usbcore:hub_thread+0x32a/0xd60
>  [<ffffffff804255f7>] thread_return+0x88/0x701
>  [<ffffffff80243040>] autoremove_wake_function+0x0/0x30
>  [<ffffffff88172720>] :usbcore:hub_thread+0x0/0xd60
>  [<ffffffff88172720>] :usbcore:hub_thread+0x0/0xd60
>  [<ffffffff88172720>] :usbcore:hub_thread+0x0/0xd60
>  [<ffffffff80242c9b>] kthread+0x4b/0x80
>  [<ffffffff8020a968>] child_rip+0xa/0x12
>  [<ffffffff8020a07c>] restore_args+0x0/0x30
>  [<ffffffff80242c50>] kthread+0x0/0x80
>  [<ffffffff8020a95e>] child_rip+0x0/0x12
> 

Guys, can we teach USB to avoid the zero-sized kmalloc in usb_get_configuration()
please?

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