On Fri, Jul 29, 2011 at 7:09 AM, Randy Dunlap <rdunlap@xxxxxxxxxxxx> wrote: > On Fri, 29 Jul 2011 03:34:26 +0200 Sedat Dilek wrote: > >> On Fri, Jul 29, 2011 at 1:01 AM, Randy Dunlap <rdunlap@xxxxxxxxxxxx> wrote: >> > On Thu, 28 Jul 2011 16:05:31 +0200 Sedat Dilek wrote: >> > >> >> Hi, >> >> >> >> just see this build-break on the last mile: >> >> >> >> [...] >> >> OBJCOPY arch/x86/boot/compressed/vmlinux.bin >> >> HOSTCC arch/x86/boot/compressed/relocs >> >> HOSTCC arch/x86/boot/compressed/mkpiggy >> >> /mnt/sdb3/linux-kernel/linux-3.0/debian/build/source_i386_none/arch/x86/boot/compressed/relocs.c: >> >> In function 'print_absolute_symbols': >> >> /mnt/sdb3/linux-kernel/linux-3.0/debian/build/source_i386_none/arch/x86/boot/compressed/relocs.c:405:14: >> >> warning: variable 'sh_symtab' set but not used >> >> [-Wunused-but-set-variable] >> >> ERROR: "copy_from_user_overflow" [fs/binfmt_misc.ko] undefined! >> >> make[5]: *** [__modpost] Error 1 >> >> make[4]: *** [modules] Error 2 >> >> make[4]: *** Waiting for unfinished jobs.... >> >> RELOCS arch/x86/boot/compressed/vmlinux.relocs >> >> GZIP arch/x86/boot/compressed/vmlinux.bin.gz >> >> MKPIGGY arch/x86/boot/compressed/piggy.S >> >> AS arch/x86/boot/compressed/piggy.o >> >> LD arch/x86/boot/compressed/vmlinux >> >> ZOFFSET arch/x86/boot/zoffset.h >> >> OBJCOPY arch/x86/boot/vmlinux.bin >> >> AS arch/x86/boot/header.o >> >> LD arch/x86/boot/setup.elf >> >> OBJCOPY arch/x86/boot/setup.bin >> >> BUILD arch/x86/boot/bzImage >> >> Setup is 15596 bytes (padded to 15872 bytes). >> >> System is 2471 kB >> >> CRC eb598167 >> >> Kernel: arch/x86/boot/bzImage is ready (#1) >> >> make[3]: *** [sub-make] Error 2 >> >> make[2]: *** [all] Error 2 >> >> >> >> I have these binfmt kernel-config options set: >> >> >> >> CONFIG_BINFMT_ELF=y >> >> # CONFIG_BINFMT_AOUT is not set >> >> CONFIG_BINFMT_MISC=m >> > >> > How does someone turn off this error message? >> > >> > I have: >> > # CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set >> > # CONFIG_STRICT_DEVMEM is not set >> > >> > and I still cannot get this error to go away (on x86_64). >> > >> > >> > --- >> > ~Randy >> > *** Remember to use Documentation/SubmitChecklist when testing your code *** >> > >> >> Can you say with which linux-next version you saw this first? >> My last version was next-20110722 (which was OK). > > It looks like 2011-0727 has lots of these errors in my randconfig builds, > but I can't say that they are all incorrect, so it's not very conclusive. > > --- > ~Randy > *** Remember to use Documentation/SubmitChecklist when testing your code *** > I can confirm next-20110726 is fine. # egrep 'BINFMT|DEBUG_STRICT_USER_COPY_CHECKS|STRICT_DEVMEM' /boot/config-3.0.0-next20110726.3-686-small CONFIG_BINFMT_ELF=y CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m CONFIG_STRICT_DEVMEM=y # CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set So, the binfmt_misc culprit was introduced between next-20110726 (good) and next-20110727 (bad). I'll try to look into the diff, but can't promise. - Sedat - -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
