The patch titled Subject: sh: mark end of BUG() implementation as unreachable has been added to the -mm tree. Its filename is sh-mark-end-of-bug-implementation-as-unreachable.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/sh-mark-end-of-bug-implementation-as-unreachable.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/sh-mark-end-of-bug-implementation-as-unreachable.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Kees Cook <keescook@xxxxxxxxxxxx> Subject: sh: mark end of BUG() implementation as unreachable When building the sh architecture, the compiler doesn't realize that BUG() doesn't return, so it will complain about functions using BUG() that are marked with the noreturn attribute: lib/string.c: In function 'fortify_panic': >> lib/string.c:986:1: warning: 'noreturn' function does return } ^ Link: http://lkml.kernel.org/r/20170627192050.GA66784@beast Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> Cc: Rich Felker <dalias@xxxxxxxx> Cc: Daniel Micay <danielmicay@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/sh/include/asm/bug.h | 1 + 1 file changed, 1 insertion(+) diff -puN arch/sh/include/asm/bug.h~sh-mark-end-of-bug-implementation-as-unreachable arch/sh/include/asm/bug.h --- a/arch/sh/include/asm/bug.h~sh-mark-end-of-bug-implementation-as-unreachable +++ a/arch/sh/include/asm/bug.h @@ -48,6 +48,7 @@ do { \ "i" (__FILE__), \ "i" (__LINE__), "i" (0), \ "i" (sizeof(struct bug_entry))); \ + unreachable(); \ } while (0) #define __WARN_FLAGS(flags) \ _ Patches currently in -mm which might be from keescook@xxxxxxxxxxxx are mm-allow-slab_nomerge-to-be-set-at-build-time.patch binfmt_elf-use-elf_et_dyn_base-only-for-pie.patch arm-reduce-elf_et_dyn_base.patch arm64-move-elf_et_dyn_base-to-4gb-4mb.patch powerpc-reduce-elf_et_dyn_base.patch s390-reduce-elf_et_dyn_base.patch binfmt_elf-safely-increment-argv-pointers.patch ipc-drop-non-rcu-allocation.patch ipc-sem-do-not-use-ipc_rcu_free.patch ipc-shm-do-not-use-ipc_rcu_free.patch ipc-msg-do-not-use-ipc_rcu_free.patch ipc-util-drop-ipc_rcu_free.patch ipc-sem-avoid-ipc_rcu_alloc.patch ipc-shm-avoid-ipc_rcu_alloc.patch ipc-msg-avoid-ipc_rcu_alloc.patch ipc-util-drop-ipc_rcu_alloc.patch ipc-move-atomic_set-to-where-it-is-needed.patch ipc-shm-remove-special-shm_alloc-free.patch ipc-msg-remove-special-msg_alloc-free.patch ipc-sem-drop-__sem_free.patch efi-avoid-fortify-checks-in-efi-stub.patch kexec_file-adjust-declaration-of-kexec_purgatory.patch ib-rxe-do-not-copy-extra-stack-memory-to-skb.patch sh-mark-end-of-bug-implementation-as-unreachable.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html