[Webkit-unassigned] [Bug 89787] alignment crash in MIMESniffer

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jul 11 14:29:30 PDT 2012


https://bugs.webkit.org/show_bug.cgi?id=89787





--- Comment #2 from Rob Buis <rwlbuis at gmail.com>  2012-07-11 14:29:30 PST ---
(In reply to comment #1)
> One way to fix this is by simply not using reinterpret_cast_ptr:
> 
> -    const uint32_t* data32 = reinterpret_cast_ptr<const uint32_t*>(data);
> +    const uint32_t* data32 = static_cast<const uint32_t*>(static_cast<const void*>(data));
> 
> For ARMv7/BLACKBERRY this works fine, no warning and no ASSERT hit.

Forgot to say, ARMv7 allows the possible unalignment, there is a speed penalty but the unaligned case seems to be rare.

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