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Fix UB with undeflow on anal.x86_cs

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pancake 2021-01-25 00:32:45 +01:00
parent 2c207c534a
commit 148cdb9665
1 changed files with 2 additions and 1 deletions
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3
libr/anal/p/anal_x86_cs.c
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@ -324,7 +324,8 @@ 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) {
if (setarg[strlen (setarg) - 1] == ',') {
size_t len = strlen (setarg);
if (len > 0 && setarg[len - 1] == ',') {
snprintf (buf_, BUF_SZ, "%s,%s%s=[%d]", out, setarg,
gop->bits == 32 ? "0xffffffff,&," : "", op.size==10?8:op.size);
} else {