Messages in this thread Patch in this message | | | From | Mark Brown <> | Date | Thu, 21 Dec 2023 20:38:48 +0000 | Subject | [PATCH] lsm: Add a __counted_by() annotation to lsm_ctx.ctx |
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The ctx in struct lsm_ctx is an array of size ctx_len, tell the compiler about this using __counted_by() where supported to improve the ability to detect overflow issues.
Reported-by: Aishwarya TCV <aishwarya.tcv@arm.com> Signed-off-by: Mark Brown <broonie@kernel.org> --- include/uapi/linux/lsm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/uapi/linux/lsm.h b/include/uapi/linux/lsm.h index f0386880a78e..4150333d224f 100644 --- a/include/uapi/linux/lsm.h +++ b/include/uapi/linux/lsm.h @@ -36,7 +36,7 @@ struct lsm_ctx { __u64 flags; __u64 len; __u64 ctx_len; - __u8 ctx[]; + __u8 ctx[] __counted_by(ctx_len); }; /* --- base-commit: ec4e9d630a64df500641892f4e259e8149594a99 change-id: 20231221-lsm-fix-counted-by-f9fd827e26aa Best regards, -- Mark Brown <broonie@kernel.org>
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