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Fix #12532 - null deref in axff

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This commit is contained in:
pancake 2018-12-21 09:38:42 +01:00
parent e6874e1d88
commit 4caa01dd2c
2 changed files with 12 additions and 7 deletions
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1
libr/anal/xrefs.c
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@ -342,6 +342,7 @@ static RList *fcn_get_refs(RAnalFunction *fcn, HtUP *ht) {
}
R_API RList *r_anal_fcn_get_refs(RAnal *anal, RAnalFunction *fcn) {
r_return_val_if_fail (anal && fcn, NULL);
return fcn_get_refs (fcn, anal->dict_refs);
}

18
libr/core/cmd_anal.c
View File

@ -5825,13 +5825,17 @@ static bool cmd_anal_refs(RCore *core, const char *input) {
RAnalFunction * fcn = r_anal_get_fcn_in (core->anal, addr, 0);
RListIter *iter;
RAnalRef *refi;
RList *refs = r_anal_fcn_get_refs (core->anal, fcn);
r_list_foreach (refs, iter, refi) {
RFlagItem *f = r_flag_get_at (core->flags, refi->addr, true);
const char *name = f ? f->name: "";
r_cons_printf ("%c 0x%08"PFMT64x" 0x%08"PFMT64x" %s\n",
refi->type == R_ANAL_REF_TYPE_CALL?'C':'J',
refi->at, refi->addr, name);
if (fcn) {
RList *refs = r_anal_fcn_get_refs (core->anal, fcn);
r_list_foreach (refs, iter, refi) {
RFlagItem *f = r_flag_get_at (core->flags, refi->addr, true);
const char *name = f ? f->name: "";
r_cons_printf ("%c 0x%08"PFMT64x" 0x%08"PFMT64x" %s\n",
refi->type == R_ANAL_REF_TYPE_CALL?'C':'J',
refi->at, refi->addr, name);
}
} else {
eprintf ("Cannot find any function\n");
}
} else { // "axf"
ut8 buf[12];