From: Alan Modra <amodra@sourceware.org>
To: bfd-cvs@sourceware.org
Subject: [binutils-gdb] asan: segv in parse_module
Date: Wed, 4 Jan 2023 13:32:08 +0000 (GMT) [thread overview]
Message-ID: <20230104133208.20E603858C54@sourceware.org> (raw)
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c093f5eeabf152730bdf9ca32cbc8e045933369c
commit c093f5eeabf152730bdf9ca32cbc8e045933369c
Author: Alan Modra <amodra@gmail.com>
Date: Wed Jan 4 21:43:54 2023 +1030
asan: segv in parse_module
* vms-alpha.c (parse_module): Ignore DST__K_SRC_SETFILE data
if out of range.
Diff:
---
bfd/vms-alpha.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c
index a9f87962f5b..fd2cf50441f 100644
--- a/bfd/vms-alpha.c
+++ b/bfd/vms-alpha.c
@@ -4577,8 +4577,11 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr,
case DST__K_SRC_SETFILE:
data = bfd_getl16 (src_ptr + DST_S_W_SRC_UNSWORD);
- curr_srec->sfile = data;
- curr_srec->srec = module->file_table[data].srec;
+ if ((unsigned int) data < module->file_table_count)
+ {
+ curr_srec->sfile = data;
+ curr_srec->srec = module->file_table[data].srec;
+ }
vms_debug2 ((4, "DST_S_C_SRC_SETFILE: %d\n", data));
break;
reply other threads:[~2023-01-04 13:32 UTC|newest]
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