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misc: asan: do not poison memory after munmap() 39/26639/2
authorBenoît Ganne <bganne@cisco.com>
Wed, 22 Apr 2020 07:02:48 +0000 (09:02 +0200)
committerDave Barach <openvpp@barachs.net>
Wed, 22 Apr 2020 13:03:08 +0000 (13:03 +0000)
commit08d01376de5abf2e93c562ee5e24cf62ce1be3ff
tree5ff125fbf2d79ef432f9f56041fb76e4c00a6fcbtree | snapshot
parent74ee18b0b33aad974705ae16739a86c48f3b966bcommit | diff
misc: asan: do not poison memory after munmap()

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>
src/plugins/perfmon/perfmon_periodic.c diff | blob | history
src/vlibmemory/vlib_api_cli.c diff | blob | history
src/vppinfra/mem.h diff | blob | history
Vector Packet Processing