[PATCH] ecryptfs: Annotate struct ecryptfs_message with __counted_by
Thorsten Blum <[email protected]>
| Newsgroups | org.kernel.vger.ecryptfs,org.kernel.vger.linux-hardening,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Add the __counted_by() compiler attribute to the flexible array member 'data' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE. Signed-off-by: Thorsten Blum <[email protected]> --- fs/ecryptfs/ecryptfs_kernel.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 62a2ea7f59ed..f58b12be8267 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -359,7 +359,7 @@ struct ecryptfs_message { /* Inherits from msg_ctx->index */ u32 index; u32 data_len; - u8 data[]; + u8 data[] __counted_by(data_len); }; struct ecryptfs_msg_ctx { -- Thorsten Blum <[email protected]> GPG: 1D60 735E 8AEF 3BE4 73B6 9D84 7336 78FD 8DFE EAD4