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authorEric Anholt <eric@anholt.net>2012-01-04 12:31:40 -0800
committerEric Anholt <eric@anholt.net>2012-01-27 13:21:19 -0800
commit028715ee7074691895051296105e8b4cbbfaabb8 (patch)
tree8400a293600aabf1feb16203a13cf600e42cf9b4 /intel/tests
parentc1d2946da8f13ea8cbda1e33aeccee4d06015fea (diff)
intel: Avoid the need for most overflow checks by using a scratch page.
The overflow checks were all thoroughly untested, and a bunch of the ones I'm deleting were pretty broken. Now, in the case of overflow, you just decode data of 0xd0d0d0d0, and instr_out prints the warning message instead. Note that this still has the same issue of being under-tested, but at least it's one place instead of per-packet. A couple of BUFFER_FAIL uses are left where the length to be decoded could be (significantly) larger than a page, and the decode didn't just call instr_out (which doesn't dereference data itself unless it's safe).
Diffstat (limited to 'intel/tests')
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