Buildresult: powerpc-fixes/mpc86xx_defconfig/powerpc-gcc5 built on Jun 20 2021, 11:01

kisskb

Revisions | Branches | Compilers | Configs | Build Results | Build Failures |

Status:	OK
Date/Time:	Jun 20 2021, 11:01
Duration:	0:01:17.918476
Builder:	ka4
Revision:	powerpc/perf: Fix crash in perf_instruction_pointer() when ppmu is not set (`60b7ed54a41b550d50caf7f2418db4a7e75b5bdc)`
Target:	powerpc-fixes/mpc86xx_defconfig/powerpc-gcc5
Branch:	powerpc-fixes
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	mpc86xx_defconfig (download)
Log:	Download original Possible warnings (6) arch/powerpc/boot/dts/fsl/mvme7100.dts:135.22-137.4: Warning (pci_bridge): /pcie@f1008000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:102.9-116.4: Warning (pci_bridge): /pcie@f1008000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mvme7100.dts:139.22-141.4: Warning (pci_bridge): /pcie@f1009000: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:129.9-143.4: Warning (pci_bridge): /pcie@f1009000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' arch/powerpc/boot/dts/fsl/mvme7100.dts:30.11-32.6: Warning (i2c_bus_reg): /soc@f1000000/i2c@3000/rtc@68: missing or empty reg property Full Log # git rev-parse -q --verify 60b7ed54a41b550d50caf7f2418db4a7e75b5bdc^{commit} 60b7ed54a41b550d50caf7f2418db4a7e75b5bdc already have revision, skipping fetch # git checkout -q -f -B kisskb 60b7ed54a41b550d50caf7f2418db4a7e75b5bdc # git clean -qxdf # < git log -1 # commit 60b7ed54a41b550d50caf7f2418db4a7e75b5bdc # Author: Athira Rajeev <atrajeev@linux.vnet.ibm.com> # Date: Thu Jun 17 13:55:06 2021 -0400 # # powerpc/perf: Fix crash in perf_instruction_pointer() when ppmu is not set # # On systems without any specific PMU driver support registered, running # perf record causes Oops. # # The relevant portion from call trace: # # BUG: Kernel NULL pointer dereference on read at 0x00000040 # Faulting instruction address: 0xc0021f0c # Oops: Kernel access of bad area, sig: 11 [#1] # BE PAGE_SIZE=4K PREEMPT CMPCPRO # SAF3000 DIE NOTIFICATION # CPU: 0 PID: 442 Comm: null_syscall Not tainted 5.13.0-rc6-s3k-dev-01645-g7649ee3d2957 #5164 # NIP: c0021f0c LR: c00e8ad8 CTR: c00d8a5c # NIP perf_instruction_pointer+0x10/0x60 # LR perf_prepare_sample+0x344/0x674 # Call Trace: # perf_prepare_sample+0x7c/0x674 (unreliable) # perf_event_output_forward+0x3c/0x94 # __perf_event_overflow+0x74/0x14c # perf_swevent_hrtimer+0xf8/0x170 # __hrtimer_run_queues.constprop.0+0x160/0x318 # hrtimer_interrupt+0x148/0x3b0 # timer_interrupt+0xc4/0x22c # Decrementer_virt+0xb8/0xbc # # During perf record session, perf_instruction_pointer() is called to # capture the sample IP. This function in core-book3s accesses # ppmu->flags. If a platform specific PMU driver is not registered, ppmu # is set to NULL and accessing its members results in a crash. Fix this # crash by checking if ppmu is set. # # Fixes: 2ca13a4cc56c ("powerpc/perf: Use regs->nip when SIAR is zero") # Cc: stable@vger.kernel.org # v5.11+ # Reported-by: Christophe Leroy <christophe.leroy@csgroup.eu> # Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com> # Tested-by: Christophe Leroy <christophe.leroy@csgroup.eu> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/1623952506-1431-1-git-send-email-atrajeev@linux.vnet.ibm.com # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 60b7ed54a41b550d50caf7f2418db4a7e75b5bdc # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc86xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc86xx_defconfig # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc86xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc86xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc86xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:135.22-137.4: Warning (pci_bridge): /pcie@f1008000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:92.7-117.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:102.9-116.4: Warning (pci_bridge): /pcie@f1008000/pcie@0: missing ranges for PCI bridge (or not a bridge) /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:139.22-141.4: Warning (pci_bridge): /pcie@f1009000: missing ranges for PCI bridge (or not a bridge) also defined at /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:119.7-144.3 /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8641si-post.dtsi:129.9-143.4: Warning (pci_bridge): /pcie@f1009000/pcie@0: missing ranges for PCI bridge (or not a bridge) arch/powerpc/boot/dts/fsl/mvme7100.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/arch/powerpc/boot/dts/fsl/mvme7100.dts:30.11-32.6: Warning (i2c_bus_reg): /soc@f1000000/i2c@3000/rtc@68: missing or empty reg property INFO: Uncompressed kernel (size 0xca3804) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) Image Name: Linux-5.13.0-rc2-g60b7ed54a41b Created: Sun Jun 20 11:02:19 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5725232 Bytes = 5591.05 KiB = 5.46 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc86xx_defconfig_powerpc-gcc5 # Build took: 0:01:17.918476

© Michael Ellerman 2006-2018.