I guess just nobody reviewed this. I would like to see this merged as well. On Tue, Nov 3, 2015 at 6:20 PM, Sasha Levin <sasha.levin@xxxxxxxxxx> wrote: > Anyone knows why wasn't this merged a year ago? I didn't see any review comments, and it > ended up finding real bugs. > > On 11/14/2014 07:50 AM, Andrey Ryabinin wrote: >> Next spin of UBSan and there are two patches from now. >> "Two there should be; no more, no less. One to embody the UBSan, >> the other to not deadlock it." >> >> Patches on top of v3.18-rc4. As usual they are available in git: >> git://github.com/aryabinin/linux ubsan/v2 >> >> Changes since v1: >> - Refactoring and cleanups in lib/ubsan.c including Sasha's complains. >> - Some spelling fixes from Randy >> - Fixed possible memory corruption on 64 big endian machines, spotted by Rasmus. >> - Links to the relevant GCC documentation added into changelog (Peter). >> - Added documentation. >> - Fix deadlock caused by kernel/printk/printk.c instrumentation >> (patch "kernel: printk: specify alignment for struct printk_log"). >> - Dropped useless 'Indirect call of a function through a function pointer of the wrong type' >> checker. GCC doesn't support this, and as clang manual says it's for C++ only. >> - Added checker for __builtin_unreachable() calls. >> - Removed redundant -fno-sanitize=float-cast-overflow from CFLAGS. >> - Added lock to prevent mixing reports. >> >> Andrey Ryabinin (2): >> kernel: printk: specify alignment for struct printk_log >> UBSan: run-time undefined behavior sanity checker >> >> Documentation/ubsan.txt | 69 +++++ >> Makefile | 10 +- >> arch/x86/Kconfig | 1 + >> arch/x86/boot/Makefile | 1 + >> arch/x86/boot/compressed/Makefile | 1 + >> arch/x86/realmode/rm/Makefile | 1 + >> arch/x86/vdso/Makefile | 2 + >> drivers/firmware/efi/libstub/Makefile | 1 + >> include/linux/sched.h | 3 + >> kernel/printk/printk.c | 10 +- >> lib/Kconfig.debug | 22 ++ >> lib/Makefile | 3 + >> lib/ubsan.c | 567 ++++++++++++++++++++++++++++++++++ >> lib/ubsan.h | 84 +++++ >> scripts/Makefile.lib | 6 + >> 15 files changed, 775 insertions(+), 6 deletions(-) >> create mode 100644 Documentation/ubsan.txt >> create mode 100644 lib/ubsan.c >> create mode 100644 lib/ubsan.h >> > -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
