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BR3064376: ndisasm crash

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ndisasm may crash due to lack of check of VEX table index.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
This commit is contained in:
Cyrill Gorcunov
2010-09-12 13:37:53 +04:00
parent 530c1eddf5
commit cb6032340a
1 changed files with 1 additions and 1 deletions
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disasm.c
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@@ -1102,7 +1102,7 @@ int32_t disasm(uint8_t *data, char *output, int outbufsize, int segsize,
prefix.vex_v = (~prefix.vex[2] >> 3) & 15; prefix.vex_v = (~prefix.vex[2] >> 3) & 15;
prefix.vex_lp = prefix.vex[2] & 7; prefix.vex_lp = prefix.vex[2] & 7;
ix = itable_vex[RV_XOP][prefix.vex_m][prefix.vex_lp]; ix = itable_vex[RV_XOP][prefix.vex_m][prefix.vex_lp & 3];
} }
end_prefix = true; end_prefix = true;
break; break;