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fix regression in class lookup

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This commit is contained in:
vanhauser-thc
2021-08-31 23:54:06 +02:00
parent fe5b2c355f
commit d4a8a9df69
5 changed files with 12 additions and 15 deletions
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20
src/afl-fuzz-bitmap.c
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@ -143,17 +143,9 @@ u32 count_non_255_bytes(afl_state_t *afl, u8 *mem) {
and replacing it with 0x80 or 0x01 depending on whether the tuple
is hit or not. Called on every new crash or timeout, should be
reasonably fast. */
#define TIMES4(x) x, x, x, x
#define TIMES8(x) TIMES4(x), TIMES4(x)
#define TIMES16(x) TIMES8(x), TIMES8(x)
#define TIMES32(x) TIMES16(x), TIMES16(x)
#define TIMES64(x) TIMES32(x), TIMES32(x)
#define TIMES255(x) \
TIMES64(x), TIMES64(x), TIMES64(x), TIMES32(x), TIMES16(x), TIMES8(x), \
TIMES4(x), x, x, x
const u8 simplify_lookup[256] = {
[0] = 1, [1] = TIMES255(128)
[0] = 1, [1 ... 255] = 128
};
@ -167,11 +159,11 @@ const u8 count_class_lookup8[256] = {
[1] = 1,
[2] = 2,
[3] = 4,
[4] = TIMES4(8),
[8] = TIMES8(16),
[16] = TIMES16(32),
[32] = TIMES32(64),
[128] = TIMES64(128)
[4 ... 7] = 8,
[8 ... 15] = 16,
[16 ... 31] = 32,
[32 ... 127] = 64,
[128 ... 255] = 128
};