Re: [PATCH] objtool: Add fortify_panic as __noreturn function

Daniel Micay
2017-06-15T04:49:30Z

> So after that the errors (x86_64 allmodconfig build) are only:
>
> In file included from include/linux/bitmap.h:8:0,
> from include/linux/cpumask.h:11,
> from arch/x86/include/asm/cpumask.h:4,
> from arch/x86/include/asm/msr.h:10,
> from arch/x86/include/asm/processor.h:20,
> from arch/x86/include/asm/cpufeature.h:4,
> from arch/x86/include/asm/thread_info.h:52,
> from include/linux/thread_info.h:37,
> from arch/x86/include/asm/preempt.h:6,
> from include/linux/preempt.h:80,
> from include/linux/spinlock.h:50,
> from include/linux/mmzone.h:7,
> from include/linux/gfp.h:5,
> from arch/x86/power/hibernate_64.c:11:
> In function 'memcpy',
> inlined from 'relocate_restore_code' at
> arch/x86/power/hibernate_64.c:150:2,
> inlined from 'swsusp_arch_resume' at
> arch/x86/power/hibernate_64.c:186:8:
> include/linux/string.h:309:4: error: call to '__read_overflow2'
> declared with attribute error: detected read beyond size of object
> passed as 2nd parameter
> __read_overflow2();
> ^
> In file included from include/linux/bitmap.h:8:0,
> from include/linux/cpumask.h:11,
> from arch/x86/include/asm/cpumask.h:4,
> from arch/x86/include/asm/msr.h:10,
> from arch/x86/include/asm/processor.h:20,
> from arch/x86/include/asm/cpufeature.h:4,
> from arch/x86/include/asm/thread_info.h:52,
> from include/linux/thread_info.h:37,
> from arch/x86/include/asm/preempt.h:6,
> from include/linux/preempt.h:80,
> from include/linux/spinlock.h:50,
> from include/linux/mmzone.h:7,
> from include/linux/gfp.h:5,
> from include/linux/mm.h:9,
> from kernel/kexec_file.c:15:
> In function 'memcmp',
> inlined from 'kexec_load_purgatory' at kernel/kexec_file.c:900:6:
> include/linux/string.h:348:4: error: call to '__read_overflow'
> declared with attribute error: detected read beyond size of object
> passed as 1st parameter
> __read_overflow();
> ^
>

Kees has the remaining ones here now:

https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/log/?h=for-next/kspp

Not entirely sure what happened to the powerpc bits though.