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Merge pull request #6826 from daverodgman/fix_gettimeofday

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Fix gettimeofday overflow
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Dave Rodgman 2022-12-20 16:01:53 +00:00 • committed by GitHub
commit 2038da9266
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2 changed files with 4 additions and 1 deletions
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3
ChangeLog.d/fix-gettimeofday-overflow.txt Normal file
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@ -0,0 +1,3 @@
Bugfix
* Fix possible integer overflow in mbedtls_timing_hardclock(), which
could cause a crash in programs/test/benchmark.

2
programs/test/benchmark.c
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@ -398,7 +398,7 @@ static unsigned long mbedtls_timing_hardclock( void )
}
gettimeofday( &tv_cur, NULL );
return( ( tv_cur.tv_sec - tv_init.tv_sec ) * 1000000
return( ( tv_cur.tv_sec - tv_init.tv_sec ) * 1000000U
+ ( tv_cur.tv_usec - tv_init.tv_usec ) );
}
#endif /* !HAVE_HARDCLOCK */