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From: Alan Modra <amodra@sourceware.org>
To: bfd-cvs@sourceware.org
Subject: [binutils-gdb] msan: vms-alpha use-of-uninitialized-value in dst_retrieve_location
Date: Wed, 14 Sep 2022 00:50:31 +0000 (GMT)	[thread overview]
Message-ID: <20220914005031.5B2B43858287@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=3cb5e955a372f0303992340a164a21ca5cf6d006

commit 3cb5e955a372f0303992340a164a21ca5cf6d006
Author: Alan Modra <amodra@gmail.com>
Date:   Mon Sep 12 18:50:53 2022 +0930

    msan: vms-alpha use-of-uninitialized-value in dst_retrieve_location
    
            * vms-alpha.c (dst_define_location): Init any unused entries.

Diff:
---
 bfd/vms-alpha.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c
index 0ea9ed544f1..9db476363ee 100644
--- a/bfd/vms-alpha.c
+++ b/bfd/vms-alpha.c
@@ -1570,6 +1570,8 @@ dst_define_location (bfd *abfd, unsigned int loc)
 			       (loc + 1) * sizeof (unsigned int));
       if (PRIV (dst_ptr_offsets) == NULL)
 	return false;
+      memset (PRIV (dst_ptr_offsets) + PRIV (dst_ptr_offsets_count), 0,
+	      (loc - PRIV (dst_ptr_offsets_count)) * sizeof (unsigned int));
       PRIV (dst_ptr_offsets_count) = loc + 1;
     }

                 reply	other threads:[~2022-09-14  0:50 UTC|newest]

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