* [binutils-gdb] asan: NULL deref in filter_symbols
@ 2022-11-23 12:29 Alan Modra
0 siblings, 0 replies; only message in thread
From: Alan Modra @ 2022-11-23 12:29 UTC (permalink / raw)
To: bfd-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d499fb89448c3f2e061813f12a1b63fbaa29422e
commit d499fb89448c3f2e061813f12a1b63fbaa29422e
Author: Alan Modra <amodra@gmail.com>
Date: Wed Nov 23 22:07:03 2022 +1030
asan: NULL deref in filter_symbols
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:
---
bfd/wasm-module.c | 1 +
1 file changed, 1 insertion(+)
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;
}
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2022-11-23 12:29 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-11-23 12:29 [binutils-gdb] asan: NULL deref in filter_symbols Alan Modra
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).