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fix overflow on reg sync (#5628)

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SkUaTeR 2016-08-28 03:59:47 +02:00 committed by radare
parent 3a7a46441e
commit cc73f46ee3
1 changed files with 5 additions and 3 deletions
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8
libr/debug/reg.c
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@ -29,8 +29,9 @@ R_API int r_debug_reg_sync(RDebug *dbg, int type, int write) {
return false;
}
} else {
int bufsize = dbg->reg->regset[i].arena->size;
//int bufsize = dbg->reg->size;
//int bufsize = R_MAX (1024, dbg->reg->size*2); // i know. its hacky
int bufsize = dbg->reg->size;
//int bufsize = dbg->reg->regset[i].arena->size;
if (bufsize>0) {
ut8 *buf = calloc (1, bufsize);
if (!buf) return false;
@ -42,7 +43,8 @@ R_API int r_debug_reg_sync(RDebug *dbg, int type, int write) {
free (buf);
return false;
} else {
r_reg_set_bytes (dbg->reg, i, buf, bufsize);
r_reg_set_bytes (dbg->reg, i, buf, R_MIN (size, bufsize));
//r_reg_set_bytes (dbg->reg, i, buf, bufsize);
}
free (buf);
}