On Wed, Jun 21, 2023 at 09:42:01AM -0700, Guenter Roeck wrote: > Hi, > > On Tue, Apr 04, 2023 at 07:23:59PM -0700, Kees Cook wrote: > > The use of -fsanitize=bounds on GCC will ignore some trailing arrays, > > leaving a gap in coverage. Switch to using -fsanitize=bounds-strict to > > match Clang's stricter behavior. > > > > Cc: Marco Elver <elver@xxxxxxxxxx> > > Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx> > > Cc: Nathan Chancellor <nathan@xxxxxxxxxx> > > Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> > > Cc: Nicolas Schier <nicolas@xxxxxxxxx> > > Cc: Tom Rix <trix@xxxxxxxxxx> > > Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> > > Cc: Miroslav Benes <mbenes@xxxxxxx> > > Cc: linux-kbuild@xxxxxxxxxxxxxxx > > Cc: llvm@xxxxxxxxxxxxxxx > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > > --- > > This patch, presumably as side effect, enables CONFIG_ARCH_STM32 > for arm64:allmodconfig. As consequence, CONFIG_STM32_RPROC is enabled > as well. This in turn results in the following build error. > > Building arm64:allmodconfig ... failed > -------------- > Error log: > In file included from include/linux/printk.h:564, > from include/asm-generic/bug.h:22, > from arch/arm64/include/asm/bug.h:26, > from include/linux/bug.h:5, > from include/linux/fortify-string.h:5, > from include/linux/string.h:254, > from include/linux/dma-mapping.h:7, > from drivers/remoteproc/stm32_rproc.c:9: > drivers/remoteproc/stm32_rproc.c: In function 'stm32_rproc_mem_alloc': > drivers/remoteproc/stm32_rproc.c:122:22: error: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'size_t' > > I did not try to understand what is going on, but reverting this > patch fixes the problem. Well that is really weird! I will investigate... this patch should be pretty self-contained... -- Kees Cook
