* asan: NULL deref in filter_symbols
@ 2022-11-23 12:28 Alan Modra
0 siblings, 0 replies; only message in thread
From: Alan Modra @ 2022-11-23 12:28 UTC (permalink / raw)
To: binutils
If tdata->symbols is NULL, make tdata->symcount zero too. This makes
wasm_get_symtab_upper_bound return the proper result and stops
cascading errors.
* wasm-module.c (wasm_scan_name_function_section): Clear
tdata->symcount on error.
diff --git a/bfd/wasm-module.c b/bfd/wasm-module.c
index 2c2c6c72863..c96665b6e91 100644
--- a/bfd/wasm-module.c
+++ b/bfd/wasm-module.c
@@ -359,6 +359,7 @@ wasm_scan_name_function_section (bfd *abfd, sec_ptr asect)
error_return:
if (symbols)
bfd_release (abfd, symbols);
+ tdata->symcount = 0;
return false;
}
--
Alan Modra
Australia Development Lab, IBM
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