From: Alan Modra <amodra@gmail.com>
To: binutils@sourceware.org
Subject: asan: null dereference in coff_count_linenumbers
Date: Sat, 4 Jun 2022 20:57:11 +0930 [thread overview]
Message-ID: <YptBj8pk6aRSbvK8@squeak.grove.modra.org> (raw)
* coffgen.c (coff_count_linenumbers): Don't segfault when asymbol
the_bfd is NULL.
diff --git a/bfd/coffgen.c b/bfd/coffgen.c
index c693cfc00cb..07b3fb446aa 100644
--- a/bfd/coffgen.c
+++ b/bfd/coffgen.c
@@ -595,7 +595,8 @@ coff_count_linenumbers (bfd *abfd)
{
asymbol *q_maybe = *p;
- if (bfd_family_coff (bfd_asymbol_bfd (q_maybe)))
+ if (bfd_asymbol_bfd (q_maybe) != NULL
+ && bfd_family_coff (bfd_asymbol_bfd (q_maybe)))
{
coff_symbol_type *q = coffsymbol (q_maybe);
--
Alan Modra
Australia Development Lab, IBM
reply other threads:[~2022-06-04 11:27 UTC|newest]
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