Files
linux-bredos/include/linux
Kees Cook 85fadf89e5 watch_queue: Annotate struct watch_filter with __counted_by
Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).

As found with Coccinelle[1], add __counted_by for struct watch_filter.

[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci

Cc: David Howells <dhowells@redhat.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Siddh Raman Pant <code@siddh.me>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Qian Cai <cai@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Siddh Raman Pant <code@siddh.me>
Reviewed-by: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Message-Id: <20230922175407.work.754-kees@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-19 11:02:48 +02:00
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