From: Benoît Ganne <bganne@cisco.com>
Date: Thu, 16 Apr 2020 08:57:41 +0000 (+0200)
Subject: misc: asan: mark parsed elf memory as readable for ASan
X-Git-Tag: v20.09-rc0~167
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=350f6d6ef4955b8acb1ccfacd17ad5976398951c

misc: asan: mark parsed elf memory as readable for ASan

Type: fix

Change-Id: Ic7441a09bab2cabc7632ee502368584ac022f997
Signed-off-by: Benoît Ganne <bganne@cisco.com>
---

diff --git a/src/vppinfra/elf.c b/src/vppinfra/elf.c
index a8c5d307cdf..0b8aaa5d003 100644
--- a/src/vppinfra/elf.c
+++ b/src/vppinfra/elf.c
@@ -1357,6 +1357,8 @@ elf_read_file (elf_main_t * em, char *file_name)
       goto done;
     }
 
+  CLIB_MEM_UNPOISON (data, mmap_length);
+
   em->file_name = file_name;
 
   error = elf_parse (em, data, mmap_length);