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Some memory access sanitization for anal_x86.cs ##emu

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condret 2021-01-24 22:13:24 +01:00
parent 0d4d8c083f
commit a8b86d15e8
1 changed files with 6 additions and 1 deletions
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7
libr/anal/p/anal_x86_cs.c
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@ -324,7 +324,12 @@ static char *getarg(struct Getarg* gop, int n, int set, char *setop, int sel, ut
// set = 2 is reserved for lea, where the operand is a memory address,
// but the corresponding memory is not loaded.
if (set == 1) {
snprintf (buf_, BUF_SZ, "%s,%s=[%d]", out, setarg, op.size==10?8:op.size);
if (setarg[strlen (setarg) - 1] == ',') {
snprintf (buf_, BUF_SZ, "%s,%s%s=[%d]", out, setarg,
gop->bits == 32 ? "0xffffffff,&," : "", op.size==10?8:op.size);
} else {
snprintf (buf_, BUF_SZ, "%s,%s=[%d]", out, setarg, op.size==10?8:op.size);
}
strncpy (out, buf_, BUF_SZ);
} else if (set == 0) {
if (!*out) {