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misc: asan: do not poison memory after munmap()
39/26639/2
author
Benoît Ganne
<bganne@cisco.com>
Wed, 22 Apr 2020 07:02:48 +0000
(09:02 +0200)
committer
Dave Barach
<openvpp@barachs.net>
Wed, 22 Apr 2020 13:03:08 +0000
(13:03 +0000)
It is a bad idea to poison memory after munmap because the address space
can be reused (eg. for global data of dlopen()ed object) and ASan model
allows access by default.
Moreover, access to a stale address space will fault.
Type: fix
Change-Id: I356de422f255447d9d50a3a71fb0c2eaa790d731
Signed-off-by: Benoît Ganne <bganne@cisco.com>
No differences found