On Fri, 30 Apr 2021 16:20:55 +0200 Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > This is the start of the stable review cycle for the 5.12.1 release. I noticed no problems on until I upgraded to new GCC 11.1. This is sparc64.
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kernel-config
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if [ arch/sparc/kernel/sstate.o != "scripts/mod/empty.o" ]; then ./scripts/recordmcount "arch/sparc/kernel/sstate.o"; fi;
sparc64-linux-gcc -Wp,-MMD,arch/sparc/kernel/.mdesc.o.d -nostdinc -isystem /home/jason/toolchain-11.1.0/bin/../lib/gcc/sparc64-linux/11.1.0/include -I./arch/sparc/include -I./arch/sparc/include/generated -I./include -I./arch/sparc/include/uapi -I./arch/sparc/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/compiler-version.h -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ -fmacro-prefix-map=./= -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu89 -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare -Wa,--undeclared-regs -mtune=ultrasparc3 -pg -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=2048 -fno-stack-protector -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -pg -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds -Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -fno-strict-overflow -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wno-packed-not-aligned -Werror -DKBUILD_MODFILE='"arch/sparc/kernel/mdesc"' -DKBUILD_BASENAME='"mdesc"' -DKBUILD_MODNAME='"mdesc"' -D__KBUILD_MODNAME=kmod_mdesc -c -o arch/sparc/kernel/mdesc.o arch/sparc/kernel/mdesc.c
arch/sparc/kernel/mdesc.c: In function 'mdesc_node_by_name':
arch/sparc/kernel/mdesc.c:647:22: error: 'strcmp' reading 1 or more bytes from a region of size 0 [-Werror=stringop-overread]
647 | if (!strcmp(names + ep[ret].name_offset, name))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/sparc/kernel/mdesc.c:77:33: note: at offset 16 into source object 'mdesc' of size 16
77 | struct mdesc_hdr mdesc;
| ^~~~~
arch/sparc/kernel/mdesc.c: In function 'mdesc_get_property':
arch/sparc/kernel/mdesc.c:692:22: error: 'strcmp' reading 1 or more bytes from a region of size 0 [-Werror=stringop-overread]
692 | if (!strcmp(names + ep->name_offset, name)) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/sparc/kernel/mdesc.c:77:33: note: at offset 16 into source object 'mdesc' of size 16
77 | struct mdesc_hdr mdesc;
| ^~~~~
arch/sparc/kernel/mdesc.c: In function 'mdesc_next_arc':
arch/sparc/kernel/mdesc.c:719:21: error: 'strcmp' reading 1 or more bytes from a region of size 0 [-Werror=stringop-overread]
719 | if (strcmp(names + ep->name_offset, arc_type))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/sparc/kernel/mdesc.c:77:33: note: at offset 16 into source object 'mdesc' of size 16
77 | struct mdesc_hdr mdesc;
| ^~~~~
cc1: all warnings being treated as errors
scripts/Makefile.build:271: recipe for target 'arch/sparc/kernel/mdesc.o' failed
make[2]: *** [arch/sparc/kernel/mdesc.o] Error 1
scripts/Makefile.build:514: recipe for target 'arch/sparc/kernel' failed
make[1]: *** [arch/sparc/kernel] Error 2
Makefile:1851: recipe for target 'arch/sparc' failed
make: *** [arch/sparc] Error 2
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