* [binutils-gdb] msan: vms-alpha use-of-uninitialized-value in dst_retrieve_location
@ 2022-09-14 0:50 Alan Modra
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From: Alan Modra @ 2022-09-14 0:50 UTC (permalink / raw)
To: bfd-cvs
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;
}
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