On Tue, 23 May 2023 10:33:04 +0200, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > Commit df8fc4e934c1 ("kbuild: Enable -fstrict-flex-arrays=3") uncovered > a type mismatch in cesa 3des support that leads to a memcpy beyond the > end of a structure: > > In function 'fortify_memcpy_chk', > inlined from 'mv_cesa_des3_ede_setkey' at drivers/crypto/marvell/cesa/cipher.c:307:2: > include/linux/fortify-string.h:583:25: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning] > 583 | __write_overflow_field(p_size_field, size); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > [...] Applied to for-next/hardening, thanks! [1/1] crypto: marvell/cesa - Fix type mismatch warning https://git.kernel.org/kees/c/37f3abddda8d -- Kees Cook