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authorKees Cook <keescook@chromium.org>2021-10-23 01:38:26 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-10-25 10:13:46 +0300
commitd46e58ef776bc6548b17b563ec4a8ed30c6643da (patch)
tree9310e618184c42ca467919ae2818163f53a004ac /drivers/gpu/drm/etnaviv
parent149538cd55cad138b6eaa4dc4735c28f53eb5d32 (diff)
downloadlinux-d46e58ef776bc6548b17b563ec4a8ed30c6643da.tar.xz
lkdtm/bugs: Check that a per-task stack canary exists
Introduce REPORT_STACK_CANARY to check for differing stack canaries between two processes (i.e. that an architecture is correctly implementing per-task stack canaries), using the task_struct canary as the hint to locate in the stack. Requires that one of the processes being tested not be pid 1. Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20211022223826.330653-3-keescook@chromium.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/etnaviv')
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