Buildresult: linus/ppc6xx_defconfig/powerpc-gcc4.9 built on Dec 9 2020, 17:48

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Status:	OK
Date/Time:	Dec 9 2020, 17:48
Duration:	0:07:31.077772
Builder:	ka3
Revision:	mm/madvise: remove racy mm ownership check (`a68a0262abdaa251e12c53715f48e698a18ef402)`
Target:	linus/ppc6xx_defconfig/powerpc-gcc4.9
Branch:	linus
Compiler:	powerpc-gcc4.9 (powerpc64-linux-gcc (GCC) 4.9.4 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	ppc6xx_defconfig (download)
Log:	Download original Possible warnings (1) block/genhd.c:1662:1: warning: the frame size of 1160 bytes is larger than 1024 bytes [-Wframe-larger-than=] Full Log # git rev-parse -q --verify a68a0262abdaa251e12c53715f48e698a18ef402^{commit} a68a0262abdaa251e12c53715f48e698a18ef402 already have revision, skipping fetch # git checkout -q -f -B kisskb a68a0262abdaa251e12c53715f48e698a18ef402 # git clean -qxdf # < git log -1 # commit a68a0262abdaa251e12c53715f48e698a18ef402 # Author: Minchan Kim <minchan@kernel.org> # Date: Tue Dec 8 20:57:18 2020 -0800 # # mm/madvise: remove racy mm ownership check # # Jann spotted the security hole due to race of mm ownership check. # # If the task is sharing the mm_struct but goes through execve() before # mm_access(), it could skip process_madvise_behavior_valid check. That # makes any advice hint to reach into the remote process. # # This patch removes the mm ownership check. With it, it will lose the # ability that local process could give any advice hint with vector # interface for some reason (e.g., performance). Since there is no # concrete example in upstream yet, it would be better to remove the # abiliity at this moment and need to review when such new advice comes # up. # # Fixes: ecb8ac8b1f14 ("mm/madvise: introduce process_madvise() syscall: an external memory hinting API") # Reported-by: Jann Horn <jannh@google.com> # Suggested-by: Jann Horn <jannh@google.com> # Signed-off-by: Minchan Kim <minchan@kernel.org> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 a68a0262abdaa251e12c53715f48e698a18ef402 # < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_ppc6xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc6xx_defconfig # < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_ppc6xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_ppc6xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_ppc6xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/block/genhd.c: In function 'diskstats_show': /kisskb/src/block/genhd.c:1662:1: warning: the frame size of 1160 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc3d964) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:26 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5403547 Bytes = 5276.90 KiB = 5.15 MiB Load Address: 00000000 Entry Point: 00000000 INFO: Uncompressed kernel (size 0xc4e04c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:26 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5434225 Bytes = 5306.86 KiB = 5.18 MiB Load Address: 00d00000 Entry Point: 00d00894 Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:26 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5435855 Bytes = 5308.45 KiB = 5.18 MiB Load Address: 00d00000 Entry Point: 00d00294 Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:26 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5435778 Bytes = 5308.38 KiB = 5.18 MiB Load Address: 00d00000 Entry Point: 00d00294 Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:26 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5434473 Bytes = 5307.10 KiB = 5.18 MiB Load Address: 00d00000 Entry Point: 00d00894 Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:26 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5435876 Bytes = 5308.47 KiB = 5.18 MiB Load Address: 00d00000 Entry Point: 00d00294 INFO: Uncompressed kernel (size 0xc3d964) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:30 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5434195 Bytes = 5306.83 KiB = 5.18 MiB Load Address: 00d00000 Entry Point: 00d00294 Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:30 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5433371 Bytes = 5306.03 KiB = 5.18 MiB Load Address: 00d00000 Entry Point: 00d00294 Image Name: Linux-5.10.0-rc7+ Created: Wed Dec 9 17:55:30 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5435300 Bytes = 5307.91 KiB = 5.18 MiB Load Address: 00d00000 Entry Point: 00d00294 Completed OK # rm -rf /kisskb/build/linus_ppc6xx_defconfig_powerpc-gcc4.9 # Build took: 0:07:31.077772

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