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VMCI: Annotate struct vmci_handle_arr with __counted_by

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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).

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/56bef519d982218176b59bbba64a3a308d8733d5.1696689091.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Christophe JAILLET 2023-10-07 16:32:34 +02:00 committed by Kees Cook
parent da2e08d463
commit 97f3880a33
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/vmw_vmci/vmci_handle_array.h
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@ -17,7 +17,7 @@ struct vmci_handle_arr {
u32 max_capacity;
u32 size;
u32 pad;
struct vmci_handle entries[];
struct vmci_handle entries[] __counted_by(capacity);
};
#define VMCI_HANDLE_ARRAY_HEADER_SIZE \