decompress: Use 8 byte alignment

The ZSTD decompressor requires malloc() allocations to be 8 byte
aligned, so ensure that this the case.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230807162720.545787-19-ardb@kernel.org

diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 9192986..ac86242 100644 (file)
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -48,7 +48,7 @@ MALLOC_VISIBLE void *malloc(int size)
        if (!malloc_ptr)
                malloc_ptr = free_mem_ptr;
 
-       malloc_ptr = (malloc_ptr + 3) & ~3;     /* Align */
+       malloc_ptr = (malloc_ptr + 7) & ~7;     /* Align */
 
        p = (void *)malloc_ptr;
        malloc_ptr += size;