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SubjectRe: /tmp/ccTcF8pg.s: Error: .size expression for aes_p8_set_encrypt_key does not evaluate to a constant
On Mon, Apr 18, 2016 at 05:08:41PM +0200, Oleg Nesterov wrote:
> On 04/17, kbuild test robot wrote:
> >
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head: b9f5dba225aede4518ab0a7374c2dc38c7c049ce
> > commit: 5eeb50de42fd3251845d03c556db012267c72b3f uprobes: Change handle_trampoline() to flush the frames invalidated by longjmp()
> > date: 9 months ago
>
> and this patch changed the single function in arch-neutral kernel/events/uprobes.c,
> this certainly looks like a false positive.

thanks for feedback, we will look into this to fix the false positive.

>
> > config: powerpc-allyesconfig (attached as .config)
> > reproduce:
> > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> > chmod +x ~/bin/make.cross
> > git checkout 5eeb50de42fd3251845d03c556db012267c72b3f
> > # save the attached .config to linux build tree
> > make.cross ARCH=powerpc
> >
> > All errors (new ones prefixed by >>):
> >
> > /tmp/ccTcF8pg.s: Assembler messages:
> > >> /tmp/ccTcF8pg.s: Error: .size expression for aes_p8_set_encrypt_key does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for .aes_p8_set_encrypt_key does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for aes_p8_set_decrypt_key does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for .aes_p8_set_decrypt_key does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for aes_p8_encrypt does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for .aes_p8_encrypt does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for aes_p8_decrypt does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for .aes_p8_decrypt does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for aes_p8_cbc_encrypt does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for .aes_p8_cbc_encrypt does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for aes_p8_ctr32_encrypt_blocks does not evaluate to a constant
> > >> /tmp/ccTcF8pg.s: Error: .size expression for .aes_p8_ctr32_encrypt_blocks does not evaluate to a constant
> > --
> > /tmp/ccB2I6Jo.s: Assembler messages:
> > >> /tmp/ccB2I6Jo.s: Error: .size expression for gcm_init_p8 does not evaluate to a constant
> > >> /tmp/ccB2I6Jo.s: Error: .size expression for .gcm_init_p8 does not evaluate to a constant
> > >> /tmp/ccB2I6Jo.s: Error: .size expression for gcm_gmult_p8 does not evaluate to a constant
> > >> /tmp/ccB2I6Jo.s: Error: .size expression for .gcm_gmult_p8 does not evaluate to a constant
> > >> /tmp/ccB2I6Jo.s: Error: .size expression for gcm_ghash_p8 does not evaluate to a constant
> > >> /tmp/ccB2I6Jo.s: Error: .size expression for .gcm_ghash_p8 does not evaluate to a constant
> >
> > ---
> > 0-DAY kernel test infrastructure Open Source Technology Center
> > https://lists.01.org/pipermail/kbuild-all Intel Corporation
>
>
>

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