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Re: usb/net/rt2x00: warning in rt2800_eeprom_word_index

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Hi

On Mon, Oct 09, 2017 at 07:50:53PM +0200, Andrey Konovalov wrote:
> I've got the following report while fuzzing the kernel with syzkaller.
> 
> On commit 8a5776a5f49812d29fe4b2d0a2d71675c3facf3f (4.14-rc4).
> 
> I'm not sure whether this is a bug in the driver, or just a way to
> report misbehaving device. In the latter case this shouldn't be a
> WARN() call, since WARN() means bug in the kernel.

This is about wrong EEPROM, which reported 3 tx streams on
non 3 antenna device. I think WARN() is justified and thanks
to the call trace I was actually able to to understand what
happened.

In general I do not think WARN() only means a kernel bug, it 
can be F/W or H/W bug too.

Thanks
Stanislaw



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