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Fix very improbable uaf in block when ht initialization fails

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pancake 2024-03-18 00:13:33 +01:00
parent 2ab8d93994
commit 378ee7d637
1 changed files with 3 additions and 2 deletions
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5
libr/anal/block.c
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@ -548,13 +548,14 @@ R_API bool r_anal_block_recurse_depth_first(RAnalBlock *block, RAnalBlockCb cb,
if (!block) {
return false;
}
RVector path;
r_vector_init (&path, sizeof (RecurseDepthFirstCtx), NULL, NULL);
HtUP *visited = ht_up_new0 ();
if (!visited) {
goto beach;
}
RAnal *anal = block->anal;
RVector path;
r_vector_init (&path, sizeof (RecurseDepthFirstCtx), NULL, NULL);
// TODO R2_590 use RVec instead
RAnalBlock *cur_bb = block;
RecurseDepthFirstCtx ctx = { cur_bb, NULL };
r_vector_push (&path, &ctx);