Buildresult: powerpc-next/mips-defconfig/mipsel-gcc5 built on Feb 6 2019, 00:17

kisskb

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Status:	OK
Date/Time:	Feb 6 2019, 00:17
Duration:	0:01:31.163264
Builder:	ka1
Revision:	powerpc/ptrace: Mitigate potential Spectre v1 (`7e1ed4da4a16e035a76001461fbd75c453b73206)`
Target:	powerpc-next/mips-defconfig/mipsel-gcc5
Branch:	powerpc-next
Compiler:	mipsel-gcc5 (mipsel-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0 / GNU ld (GNU Binutils) 2.26.1)
Config:	defconfig (download)
Log:	Download original Possible warnings (2) warning: There are too many unreachable loose objects; run 'git prune' to remove them. arch/mips/boot/dts/xilfpga/nexys4ddr.dts:109.16-112.8: Warning (i2c_bus_reg): /i2c@10A00000/ad7420@4B: I2C bus unit address format error, expected "4b" Full Log # git rev-parse -q --verify 7e1ed4da4a16e035a76001461fbd75c453b73206^{commit} # git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test error: The last gc run reported the following. Please correct the root cause and remove .git/gc.log. Automatic cleanup will not be performed until the file is removed. warning: There are too many unreachable loose objects; run 'git prune' to remove them. # git rev-parse -q --verify 7e1ed4da4a16e035a76001461fbd75c453b73206^{commit} 7e1ed4da4a16e035a76001461fbd75c453b73206 # git checkout -q -f -B kisskb 7e1ed4da4a16e035a76001461fbd75c453b73206 # git clean -qxdf # < git log -1 # commit 7e1ed4da4a16e035a76001461fbd75c453b73206 # Author: Breno Leitao <leitao@debian.org> # Date: Wed Jan 30 10:46:00 2019 -0200 # # powerpc/ptrace: Mitigate potential Spectre v1 # # 'regno' is directly controlled by user space, hence leading to a potential # exploitation of the Spectre variant 1 vulnerability. # # On PTRACE_SETREGS and PTRACE_GETREGS requests, user space passes the # register number that would be read or written. This register number is # called 'regno' which is part of the 'addr' syscall parameter. # # This 'regno' value is checked against the maximum pt_regs structure size, # and then used to dereference it, which matches the initial part of a # Spectre v1 (and Spectre v1.1) attack. The dereferenced value, then, # is returned to userspace in the GETREGS case. # # This patch sanitizes 'regno' before using it to dereference pt_reg. # # Notice that given that speculation windows are large, the policy is # to kill the speculation on the first load and not worry if it can be # completed with a dependent load/store [1]. # # [1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2 # # Signed-off-by: Breno Leitao <leitao@debian.org> # Acked-by: Gustavo A. R. Silva <gustavo@embeddedor.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-gcc --version # < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-ld --version # < git log --format=%s --max-count=1 7e1ed4da4a16e035a76001461fbd75c453b73206 # < make -s -j 48 ARCH=mips O=/kisskb/build/powerpc-next_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- defconfig # make -s -j 48 ARCH=mips O=/kisskb/build/powerpc-next_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- /kisskb/src/arch/mips/boot/dts/xilfpga/nexys4ddr.dts:109.16-112.8: Warning (i2c_bus_reg): /i2c@10A00000/ad7420@4B: I2C bus unit address format error, expected "4b" FIT description: Linux 5.0.0-rc2-g7e1ed4da4a16 Created: Wed Feb 6 00:19:17 2019 Image 0 (kernel@0) Description: Linux 5.0.0-rc2-g7e1ed4da4a16 Created: Wed Feb 6 00:19:17 2019 Type: Kernel Image Compression: gzip compressed Data Size: 4501575 Bytes = 4396.07 KiB = 4.29 MiB Architecture: MIPS OS: Linux Load Address: 0x80100000 Entry Point: 0x80854830 Hash algo: sha1 Hash value: 7a43902ffca846917a7d07b858da69e7c5897f88 Image 1 (fdt@boston) Description: img,boston Device Tree Created: Wed Feb 6 00:19:17 2019 Type: Flat Device Tree Compression: uncompressed Data Size: 3793 Bytes = 3.70 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 4799f50d688573234da6e9d7701234d394759ef4 Image 2 (fdt@ni169445) Description: NI 169445 device tree Created: Wed Feb 6 00:19:17 2019 Type: Flat Device Tree Compression: uncompressed Data Size: 1871 Bytes = 1.83 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 51b89b31605ee62038c8468c429af091dfc75ec7 Image 3 (fdt@xilfpga) Description: MIPSfpga (xilfpga) Device Tree Created: Wed Feb 6 00:19:17 2019 Type: Flat Device Tree Compression: uncompressed Data Size: 2708 Bytes = 2.64 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 509ce58e44c561d54539e64e9d4b47054e696fc6 Default Configuration: 'conf@default' Configuration 0 (conf@default) Description: Generic Linux kernel Kernel: kernel@0 Configuration 1 (conf@boston) Description: Boston Linux kernel Kernel: kernel@0 FDT: fdt@boston Configuration 2 (conf@ni169445) Description: NI 169445 Linux Kernel Kernel: kernel@0 FDT: fdt@ni169445 Configuration 3 (conf@xilfpga) Description: MIPSfpga Linux kernel Kernel: kernel@0 FDT: fdt@xilfpga Completed OK # rm -rf /kisskb/build/powerpc-next_mips-defconfig_mipsel # Build took: 0:01:31.163264

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