Re: [PATCH mips-next] vmlinux.lds.h: catch more UBSAN symbols into .data
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Date: 2021-02-16 19:56:39
Also in:
linux-arch, lkml
On Tue, Feb 16, 2021 at 08:55:25AM +0000, Alexander Lobakin wrote:
LKP triggered lots of LD orphan warnings [0]: mipsel-linux-ld: warning: orphan section `.data.$Lubsan_data299' from `init/do_mounts_rd.o' being placed in section `.data.$Lubsan_data299' mipsel-linux-ld: warning: orphan section `.data.$Lubsan_data183' from `init/do_mounts_rd.o' being placed in section `.data.$Lubsan_data183' mipsel-linux-ld: warning: orphan section `.data.$Lubsan_type3' from `init/do_mounts_rd.o' being placed in section `.data.$Lubsan_type3' mipsel-linux-ld: warning: orphan section `.data.$Lubsan_type2' from `init/do_mounts_rd.o' being placed in section `.data.$Lubsan_type2' mipsel-linux-ld: warning: orphan section `.data.$Lubsan_type0' from `init/do_mounts_rd.o' being placed in section `.data.$Lubsan_type0' [...] Seems like "unnamed data" isn't the only type of symbols that UBSAN instrumentation can emit. Catch these into .data with the wildcard as well. [0] https://lore.kernel.org/linux-mm/202102160741.k57GCNSR-lkp@intel.com (local) Fixes: f41b233de0ae ("vmlinux.lds.h: catch UBSAN's "unnamed data" into data") Reported-by: kernel test robot <redacted> Signed-off-by: Alexander Lobakin <redacted> --- include/asm-generic/vmlinux.lds.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
applied to mips-next. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]