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Fix anal.vax asan issues spotted in test/db/format/elf/vax

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This commit is contained in:
pancake 2021-06-21 00:52:26 +02:00
parent bb85394ead
commit 0d9322eb09
1 changed files with 8 additions and 6 deletions
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14
libr/anal/p/anal_vax.c
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@ -88,8 +88,10 @@ static int vax_op(RAnal *anal, RAnalOp *op, ut64 addr, const ut8 *buf, int len,
case 0xe9:
op->size = 3;
op->type = R_ANAL_OP_TYPE_CJMP;
op->jump = op->addr + op->size + ((buf[1] << 8) + buf[2]);
op->fail = op->addr + op->size;
if (len > 2) {
op->jump = op->addr + op->size + ((buf[1] << 8) + buf[2]);
op->fail = op->addr + op->size;
}
break;
case 0xc6:
case 0xc7:
@ -150,10 +152,10 @@ static int vax_op(RAnal *anal, RAnalOp *op, ut64 addr, const ut8 *buf, int len,
op->size = 7;
{
int oa = 3;
int delta = buf[oa];
delta |= buf[oa + 1] << 8;
delta |= buf[oa + 2] << 16;
delta |= buf[oa + 3] << 24;
ut32 delta = buf[oa];
delta |= (ut32)(buf[oa + 1]) << 8;
delta |= (ut32)(buf[oa + 2]) << 16;
delta |= (ut32)(buf[oa + 3]) << 24;
delta += op->size;
op->jump = op->addr + delta;
}