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CVS commit: src/external/gpl2/grep/dist/src
Module Name: src
Committed By: kamil
Date: Tue Jun 12 21:22:47 UTC 2018
Prevent Undefined Behavior in shift of signed integer in grep(1)
There is an interface in grep: dfa.c with functions to test bit, set bit,
clear bit etc. They operate over the INT-wide mask (INTBITS). Use unsigned
shift in these interfaces to prevent UB.
Detected with MKSANITIZER with the undefined behavior sanitizer option.
Sponsored by <The NetBSD Foundation>
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/external/gpl2/grep/dist/src/dfa.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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