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drm/gem-shmem: Don't store mmap'ed buffers in core dumps
authorThomas Zimmermann <tzimmermann@suse.de>
Wed, 9 Feb 2022 15:56:34 +0000 (16:56 +0100)
committerThomas Zimmermann <tzimmermann@suse.de>
Mon, 14 Feb 2022 08:42:26 +0000 (09:42 +0100)
commit61f4435b143906fa1836baea03173c8911e3d17a
tree410e7ed240deacc21516da8378b18aad151cbb70tree | snapshot
parent72bdc9f8d1dbf2e82ad5c3fbfb2b5217480fc9ddcommit | diff
drm/gem-shmem: Don't store mmap'ed buffers in core dumps

Set the VM_DONTDUMP flag on mmap'ed VMAs to omit them from core
dumps. It's display-buffer memory; who knows what secrets these
buffers contain.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209155634.3994-3-tzimmermann@suse.de
drivers/gpu/drm/drm_gem_shmem_helper.c diff | blob | history
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