Re: [PATCH] sh: Fix build with CONFIG_UBSAN=y
John Paul Adrian Glaubitz <[email protected]>
| Newsgroups | gmane.linux.ports.sh.devel,gmane.linux.kernel |
|---|---|
| Message-ID | <cd1a36a234c8fc61c5febe646ae0f05ed20ae32a.camel@physik.fu-berlin.de> |
Hi Kees, On Fri, 2024-02-02 at 12:06 +0100, John Paul Adrian Glaubitz wrote: > > When I use GCC 13.2 (I'm specifically on Ubuntu 23.10) and the randconfig > > linked from the report: > > https://download.01.org/0day-ci/archive/20240131/[email protected]/config > > (which is notably enabling CONFIG_UBSAN=y and CONFIG_UBSAN_SHIFT=y) then I > > see at the final link stage: > > > > /usr/bin/sh4-linux-gnu-ld: arch/sh/boot/compressed/misc.o: in function `zlib_inflate_table': > > misc.c:(.text+0x650): undefined reference to `__ubsan_handle_shift_out_of_bounds' > > ... > > > > After the patch, it's solved. > > OK, let me test with gcc 13.x. My build host is currently running openSUSE Leap 15.5. 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? Adrian > [1] https://download.01.org/0day-ci/archive/20240131/[email protected]/reproduce -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913