Buildresult: powerpc-next/mpc85xx_defconfig+KVM/powerpc-gcc11 built on Dec 1 2021, 00:14
kisskb
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Status:
OK
Date/Time:
Dec 1 2021, 00:14
Duration:
0:03:28.366848
Builder:
blade46
Revision:
powerpc/32s: Fix shift-out-of-bounds in KASAN init (
af11dee4361b3519981fa04d014873f9d9edd6ac)
Target:
powerpc-next/mpc85xx_defconfig+KVM/powerpc-gcc11
Branch:
powerpc-next
Compiler:
powerpc-gcc11
(powerpc64-linux-gcc (GCC) 11.1.0 / GNU ld (GNU Binutils) 2.36.1)
Config:
mpc85xx_defconfig+KVM
(
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Log:
Download original
Possible warnings (8)
.config:4302:warning: override: reassigning to symbol PPC_E500MC .config:4303:warning: override: reassigning to symbol VIRTUALIZATION <stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp] include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] arch/powerpc/boot/dts/fsl/mpc8541cds.dts:341.15-350.5: Warning (pci_device_reg): /pci@e0008000/i8259@19000: PCI unit address format error, expected "12,0" arch/powerpc/boot/dts/fsl/mpc8541cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) arch/powerpc/boot/dts/fsl/mpc8555cds.dts:341.15-350.5: Warning (pci_device_reg): /pci@e0008000/i8259@19000: PCI unit address format error, expected "12,0" arch/powerpc/boot/dts/fsl/mpc8555cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0)
Full Log
# git rev-parse -q --verify af11dee4361b3519981fa04d014873f9d9edd6ac^{commit} af11dee4361b3519981fa04d014873f9d9edd6ac already have revision, skipping fetch # git checkout -q -f -B kisskb af11dee4361b3519981fa04d014873f9d9edd6ac # git clean -qxdf # < git log -1 # commit af11dee4361b3519981fa04d014873f9d9edd6ac # Author: Christophe Leroy <christophe.leroy@csgroup.eu> # Date: Tue Nov 30 09:42:37 2021 +0100 # # powerpc/32s: Fix shift-out-of-bounds in KASAN init # # ================================================================================ # UBSAN: shift-out-of-bounds in arch/powerpc/mm/kasan/book3s_32.c:22:23 # shift exponent -1 is negative # CPU: 0 PID: 0 Comm: swapper Not tainted 5.15.5-gentoo-PowerMacG4 #9 # Call Trace: # [c214be60] [c0ba0048] dump_stack_lvl+0x80/0xb0 (unreliable) # [c214be80] [c0b99288] ubsan_epilogue+0x10/0x5c # [c214be90] [c0b98fe0] __ubsan_handle_shift_out_of_bounds+0x94/0x138 # [c214bf00] [c1c0f010] kasan_init_region+0xd8/0x26c # [c214bf30] [c1c0ed84] kasan_init+0xc0/0x198 # [c214bf70] [c1c08024] setup_arch+0x18/0x54c # [c214bfc0] [c1c037f0] start_kernel+0x90/0x33c # [c214bff0] [00003610] 0x3610 # ================================================================================ # # This happens when the directly mapped memory is a power of 2. # # Fix it by checking the shift and set the result to 0 when shift is -1 # # Fixes: 7974c4732642 ("powerpc/32s: Implement dedicated kasan_init_region()") # Reported-by: Erhard Furtner <erhard_f@mailbox.org> # Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://bugzilla.kernel.org/show_bug.cgi?id=215169 # Link: https://lore.kernel.org/r/15cbc3439d4ad988b225e2119ec99502a5cc6ad3.1638261744.git.christophe.leroy@csgroup.eu # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 af11dee4361b3519981fa04d014873f9d9edd6ac # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc85xx_defconfig+KVM_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc85xx_defconfig # Added to kconfig CONFIG_PPC_E500MC=y # Added to kconfig CONFIG_VIRTUALIZATION=y # Added to kconfig CONFIG_KVM_E500MC=y # Added to kconfig # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc85xx_defconfig+KVM_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc85xx_defconfig+KVM_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:4302:warning: override: reassigning to symbol PPC_E500MC .config:4303:warning: override: reassigning to symbol VIRTUALIZATION # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc85xx_defconfig+KVM_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- <stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp] In file included from /kisskb/src/include/linux/build_bug.h:5, from /kisskb/src/include/linux/container_of.h:5, from /kisskb/src/include/linux/list.h:5, from /kisskb/src/include/linux/module.h:12, from /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:15: /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 22 | #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) | ^ /kisskb/src/include/linux/compiler.h:78:45: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:13: note: in expansion of macro 'IS_ERR_VALUE' 139 | if (IS_ERR_VALUE(fep->ring_mem_addr)) | ^~~~~~~~~~~~ /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:341.15-350.5: Warning (pci_device_reg): /pci@e0008000/i8259@19000: PCI unit address format error, expected "12,0" /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8555cds.dts:341.15-350.5: Warning (pci_device_reg): /pci@e0008000/i8259@19000: PCI unit address format error, expected "12,0" /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8555cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) Completed OK # rm -rf /kisskb/build/powerpc-next_mpc85xx_defconfig+KVM_powerpc-gcc11 # Build took: 0:03:28.366848
© Michael Ellerman 2006-2018.