Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc8 built on Sep 16 2021, 08:17

kisskb

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Status:	Failed
Date/Time:	Sep 16 2021, 08:17
Duration:	0:05:20.028293
Builder:	ka3
Revision:	qnx4: avoid stringop-overread errors (`b7213ffa0e585feb1aee3e7173e965e66ee0abaa)`
Target:	linus-rand/x86_64-randconfig/x86_64-gcc8
Branch:	linus-rand
Compiler:	x86_64-gcc8 (x86_64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	randconfig (download)
Log:	Download original Possible errors drivers/gpu/drm/radeon/radeon_object.c:207:2: error: #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance thanks to write-combining [-Werror=cpp] cc1: all warnings being treated as errors make[5]: * [scripts/Makefile.build:277: drivers/gpu/drm/radeon/radeon_object.o] Error 1 make[4]: * [scripts/Makefile.build:540: drivers/gpu/drm/radeon] Error 2 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:493:2: error: #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance thanks to write-combining [-Werror=cpp] cc1: all warnings being treated as errors make[5]: * [scripts/Makefile.build:277: drivers/gpu/drm/amd/amdgpu/amdgpu_object.o] Error 1 make[4]: * [scripts/Makefile.build:540: drivers/gpu/drm/amd/amdgpu] Error 2 make[3]: * [scripts/Makefile.build:540: drivers/gpu/drm] Error 2 make[2]: * [scripts/Makefile.build:540: drivers/gpu] Error 2 make[1]: * [Makefile:1868: drivers] Error 2 make: * [Makefile:219: __sub-make] Error 2 Possible warnings (6) .config:6390:warning: override: reassigning to symbol STANDALONE .config:6393:warning: override: reassigning to symbol GCC_PLUGINS drivers/gpu/drm/radeon/radeon_object.c:207:2: error: #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance thanks to write-combining [-Werror=cpp] #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance \ drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:493:2: error: #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance thanks to write-combining [-Werror=cpp] #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance \ Full Log # git rev-parse -q --verify b7213ffa0e585feb1aee3e7173e965e66ee0abaa^{commit} # git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master # git rev-parse -q --verify b7213ffa0e585feb1aee3e7173e965e66ee0abaa^{commit} b7213ffa0e585feb1aee3e7173e965e66ee0abaa # git checkout -q -f -B kisskb b7213ffa0e585feb1aee3e7173e965e66ee0abaa # git clean -qxdf # < git log -1 # commit b7213ffa0e585feb1aee3e7173e965e66ee0abaa # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Wed Sep 15 13:56:37 2021 -0700 # # qnx4: avoid stringop-overread errors # # The qnx4 directory entries are 64-byte blocks that have different # contents depending on the a status byte that is in the last byte of the # block. # # In particular, a directory entry can be either a "link info" entry with # a 48-byte name and pointers to the real inode information, or an "inode # entry" with a smaller 16-byte name and the full inode information. # # But the code was written to always just treat the directory name as if # it was part of that "inode entry", and just extend the name to the # longer case if the status byte said it was a link entry. # # That work just fine and gives the right results, but now that gcc is # tracking data structure accesses much more, the code can trigger a # compiler error about using up to 48 bytes (the long name) in a structure # that only has that shorter name in it: # # fs/qnx4/dir.c: In function ‘qnx4_readdir’: # fs/qnx4/dir.c:51:32: error: ‘strnlen’ specified bound 48 exceeds source size 16 [-Werror=stringop-overread] # 51 \| size = strnlen(de->di_fname, size); # \| ^~~~~~~~~~~~~~~~~~~~~~~~~~~ # In file included from fs/qnx4/qnx4.h:3, # from fs/qnx4/dir.c:16: # include/uapi/linux/qnx4_fs.h:45:25: note: source object declared here # 45 \| char di_fname[QNX4_SHORT_NAME_MAX]; # \| ^~~~~~~~ # # which is because the source code doesn't really make this whole "one of # two different types" explicit. # # Fix this by introducing a very explicit union of the two types, and # basically explaining to the compiler what is really going on. # # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 b7213ffa0e585feb1aee3e7173e965e66ee0abaa # < make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- randconfig # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # Added to kconfig CONFIG_BPF_PRELOAD=n # Added to kconfig # < make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- help # make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- olddefconfig .config:6390:warning: override: reassigning to symbol STANDALONE .config:6393:warning: override: reassigning to symbol GCC_PLUGINS # make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/drivers/gpu/drm/radeon/radeon_object.c: In function 'radeon_bo_create': /kisskb/src/drivers/gpu/drm/radeon/radeon_object.c:207:2: error: #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance thanks to write-combining [-Werror=cpp] #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance \ ^~~~~~~ cc1: all warnings being treated as errors make[5]: * [/kisskb/src/scripts/Makefile.build:277: drivers/gpu/drm/radeon/radeon_object.o] Error 1 make[4]: * [/kisskb/src/scripts/Makefile.build:540: drivers/gpu/drm/radeon] Error 2 make[4]: * Waiting for unfinished jobs.... /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c: In function 'amdgpu_bo_support_uswc': /kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:493:2: error: #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance thanks to write-combining [-Werror=cpp] #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance \ ^~~~~~~ cc1: all warnings being treated as errors make[5]: * [/kisskb/src/scripts/Makefile.build:277: drivers/gpu/drm/amd/amdgpu/amdgpu_object.o] Error 1 make[5]: * Waiting for unfinished jobs.... make[4]: * [/kisskb/src/scripts/Makefile.build:540: drivers/gpu/drm/amd/amdgpu] Error 2 make[3]: * [/kisskb/src/scripts/Makefile.build:540: drivers/gpu/drm] Error 2 make[2]: * [/kisskb/src/scripts/Makefile.build:540: drivers/gpu] Error 2 make[2]: * Waiting for unfinished jobs.... make[1]: * [/kisskb/src/Makefile:1868: drivers] Error 2 make[1]: * Waiting for unfinished jobs.... make: * [Makefile:219: __sub-make] Error 2 Command 'make -s -j 10 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 # Build took: 0:05:20.028293

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