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authorAlexander Lobakin <alobakin@pm.me>2021-02-16 08:55:25 +0000
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-02-16 17:10:48 +0100
commitfa07eca8d8c6567e0f5a8d36dcf776fa0aa2f6f4 (patch)
tree18035171643e8c5fcdb27debc066829b22c792cc /include/asm-generic/vmlinux.lds.h
parente6ce4a480c76b34cb015d5470a1b4cb6ec5cbc16 (diff)
downloadlinux-fa07eca8d8c6567e0f5a8d36dcf776fa0aa2f6f4.tar.bz2
vmlinux.lds.h: catch more UBSAN symbols into .data
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 Fixes: f41b233de0ae ("vmlinux.lds.h: catch UBSAN's "unnamed data" into data") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Alexander Lobakin <alobakin@pm.me> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'include/asm-generic/vmlinux.lds.h')
-rw-r--r--include/asm-generic/vmlinux.lds.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index cc659e77fcb0..83537e5ee78f 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -95,7 +95,7 @@
*/
#ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
#define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
-#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..L* .data..compoundliteral* .data.$__unnamed_*
+#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..L* .data..compoundliteral* .data.$__unnamed_* .data.$Lubsan_*
#define SDATA_MAIN .sdata .sdata.[0-9a-zA-Z_]*
#define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]* .rodata..L*
#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]* .bss..compoundliteral*