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| author | dgp@users.sourceforge.net <dgp> | 2013-06-26 20:13:57 (GMT) |
|---|---|---|
| committer | dgp@users.sourceforge.net <dgp> | 2013-06-26 20:13:57 (GMT) |
| commit | d061e9e8b8bb4ddb7ba6a05ab3b9a4ba1fd3da3d (patch) | |
| tree | 15cf45d4cf45d83d1ce0d4aba51644f981f528a8 /generic/tclOptimize.c | |
| parent | 8c431943e8d6c6dac3cb1711cac92d3286a67d4d (diff) | |
| download | tcl-d061e9e8b8bb4ddb7ba6a05ab3b9a4ba1fd3da3d.zip tcl-d061e9e8b8bb4ddb7ba6a05ab3b9a4ba1fd3da3d.tar.gz tcl-d061e9e8b8bb4ddb7ba6a05ab3b9a4ba1fd3da3d.tar.bz2 | |
Stop buffer overrun into undefined values detected by valgrind.
Diffstat (limited to 'generic/tclOptimize.c')
| -rw-r--r-- | generic/tclOptimize.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/generic/tclOptimize.c b/generic/tclOptimize.c index cd37a6a..b7f4173 100644 --- a/generic/tclOptimize.c +++ b/generic/tclOptimize.c @@ -212,7 +212,8 @@ ConvertZeroEffectToNOP( int blank = 0, i, nextInst; size = AddrLength(currentInstPtr); - while (*(currentInstPtr+size) == INST_NOP) { + while ((currentInstPtr + size < envPtr->codeNext) + && *(currentInstPtr+size) == INST_NOP) { if (IsTargetAddress(&targets, currentInstPtr + size)) { break; } |