Don't attempt iword decoding outside of map

rizinorg · Oct 2, 2024 · f308431 · f308431
1 parent 3b56eb0
commit f308431
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Showing 2 changed files with 7 additions and 6 deletions.
diff --git a/librz/core/cgraph.c b/librz/core/cgraph.c
@@ -1319,6 +1319,7 @@ static st32 decode_iword_at(RZ_BORROW RzCore *core,
 	size_t bl = buf_len;
 	if (!read_aligned_to_mapped(core->io, addr, buf, &bl, leading_bytes)) {
 		RZ_LOG_ERROR("read_aligned_to_mapped() read from unmapped region at 0x%" PFMT64x ".\n", addr);
+		return -1;
 	}
 	bool success = core->analysis->cur->decode_iword(core->analysis, target_iword, addr, buf, bl, leading_bytes);
 	return success ? target_iword->size_bytes : -1;

diff --git a/test/db/cmd/cmd_graph b/test/db/cmd/cmd_graph
@@ -1030,12 +1030,12 @@ s 0xffffffffffffffff
 agF
 EOF
 EXPECT=<<EOF
-.--------------------.
-|  0x5000000000 (e)  |
-`--------------------'
-.--------------------------.
-|  0xffffffffffffffff (e)  |
-`--------------------------'
+.-----------.
+|  0x0 (e)  |
+`-----------'
+.-----------.
+|  0x0 (e)  |
+`-----------'
 EOF
 RUN