+Andrey On Tue, Nov 3, 2015 at 6:35 PM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: > 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
