Hi Yujie, On Fri, 2024-03-01 at 05:46 +0000, Liu, Yujie wrote: > On Wed, 2024-02-14 at 13:52 +0100, John Paul Adrian Glaubitz wrote: > > Hi Kees, > > > > On Mon, 2024-02-12 at 19:45 +0100, John Paul Adrian Glaubitz wrote: > > > On Mon, 2024-02-12 at 10:26 -0800, Kees Cook wrote: > > > > > I just wanted to try reproduce the problem again with the reproducer > > > > > in [1] as well > > > > > as with gcc-13.2.0, but your branch devel/overflow/ubsan-only no > > > > > longer exists. > > > > > > > > > > Can you tell me where to find the patches now? > > > > > > > > Sure, they're in -next, but for an -rc2 based tree, see: > > > > https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/log/?h=for-next/kspp > > > > > > OK, thanks. I will give it a try with gcc-13. > > > > I'm still unable to reproduce the error that the kernel test robot reported. > > > > I'm using gcc-13: > > > > glaubitz@node54:/data/home/glaubitz/linux-kees> sh4-linux-gcc > > sh4-linux-gcc: fatal error: no input files > > compilation terminated. > > glaubitz@node54:/data/home/glaubitz/linux-kees> sh4-linux-gcc --version > > sh4-linux-gcc (GCC) 13.2.0 > > Copyright (C) 2023 Free Software Foundation, Inc. > > This is free software; see the source for copying conditions. There is NO > > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > > > glaubitz@node54:/data/home/glaubitz/linux-kees> > > > > I checked out your tree and the for-next/kspp branch. > > > > Then fetched the config that triggered the bug like this: > > > > $ wget > > https://download.01.org/0day-ci/archive/20240131/[email protected]/config > > -O .config > > > > Building the kernel with "make -j32 uImage" works fine. No errors except for > > some unreleated warnings that still need to be fixed. > > Sorry for late reply. Seems like the warnings can be reproduced by > "make zImage" which is the default make target, but cannot be > reproduced by "make uImage". > > HEAD is now at 918327e9b7ffb ubsan: Remove CONFIG_UBSAN_SANITIZE_ALL > > $ wget > https://download.01.org/0day-ci/archive/20240131/[email protected]/config > -O .config > $ sh4-linux-gcc --version > sh4-linux-gcc (GCC) 13.2.0 > > $ make -j72 CROSS_COMPILE=sh4-linux- ARCH=sh olddefconfig > $ make -j72 CROSS_COMPILE=sh4-linux- ARCH=sh > ... > LD arch/sh/boot/compressed/vmlinux > sh4-linux-ld: arch/sh/boot/compressed/misc.o: in function > `zlib_inflate_table': > misc.c:(.text+0x670): undefined reference to > `__ubsan_handle_shift_out_of_bounds' > sh4-linux-ld: arch/sh/boot/compressed/misc.o: in function `inflate_fast': > misc.c:(.text+0xc5c): undefined reference to > `__ubsan_handle_shift_out_of_bounds' > sh4-linux-ld: arch/sh/boot/compressed/misc.o: in function `zlib_inflateReset': > misc.c:(.text+0xd00): undefined reference to > `__ubsan_handle_shift_out_of_bounds' > sh4-linux-ld: arch/sh/boot/compressed/misc.o: in function `zlib_inflate': > misc.c:(.text+0x23fc): undefined reference to > `__ubsan_handle_shift_out_of_bounds' > sh4-linux-ld: arch/sh/boot/compressed/ashldi3.o: in function `__ashldi3': > ashldi3.c:(.text+0xc8): undefined reference to > `__ubsan_handle_shift_out_of_bounds' > make[3]: *** [arch/sh/boot/compressed/Makefile:38: > arch/sh/boot/compressed/vmlinux] Error 1 > make[2]: *** [arch/sh/boot/Makefile:40: arch/sh/boot/compressed/vmlinux] > Error 2 > make[1]: *** [arch/sh/Makefile:170: zImage] Error 2 > make: *** [Makefile:240: __sub-make] Error 2 > > $ make -j72 CROSS_COMPILE=sh4-linux- ARCH=sh uImage > ... > OBJCOPY arch/sh/boot/vmlinux.bin > GZIP arch/sh/boot/vmlinux.bin.gz > UIMAGE arch/sh/boot/uImage.gz > Image Name: Linux-6.8.0-rc2+ > Created: Fri Mar 1 13:31:36 2024 > Image Type: SuperH Linux Kernel Image (gzip compressed) > Data Size: 9297141 Bytes = 9079.24 KiB = 8.87 MiB > Load Address: 08001000 > Entry Point: 08002000 > Image arch/sh/boot/uImage is ready
Thanks a lot for pointing this out. This explains the problem. I will have another look over the weekend and acknowledge the patch if Kees wants to pick it up through his own tree. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
