# git rev-parse -q --verify 7ccc9de5c708922203eee06901af49b3f47207aa^{commit} # git fetch -q -n -f https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git for-next/kspp # git rev-parse -q --verify 7ccc9de5c708922203eee06901af49b3f47207aa^{commit} 7ccc9de5c708922203eee06901af49b3f47207aa # git checkout -q -f -B kisskb 7ccc9de5c708922203eee06901af49b3f47207aa # git clean -qxdf # < git log -1 # commit 7ccc9de5c708922203eee06901af49b3f47207aa # Author: Gustavo A. R. Silva # Date: Fri Feb 21 09:32:33 2020 -0600 # # firmware: google: vpd: Replace zero-length array with flexible-array member # # The current codebase makes use of the zero-length array language # extension to the C90 standard, but the preferred mechanism to declare # variable-length types such as these ones is a flexible array member[1][2], # introduced in C99: # # struct foo { # int stuff; # struct boo array[]; # }; # # By making use of the mechanism above, we will get a compiler warning # in case the flexible array does not occur last in the structure, which # will help us prevent some kind of undefined behavior bugs from being # inadvertently introduced[3] to the codebase from now on. # # Also, notice that, dynamic memory allocations won't be affected by # this change: # # "Flexible array members have incomplete type, and so the sizeof operator # may not be applied. As a quirk of the original implementation of # zero-length arrays, sizeof evaluates to zero."[1] # # This issue was found with the help of Coccinelle. # # [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html # [2] https://github.com/KSPP/linux/issues/21 # [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") # # Signed-off-by: Gustavo A. R. Silva # < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 7ccc9de5c708922203eee06901af49b3f47207aa # < make -s -j 24 ARCH=powerpc O=/kisskb/build/gustavoars_mpc85xx_defconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc85xx_defconfig # < make -s -j 24 ARCH=powerpc O=/kisskb/build/gustavoars_mpc85xx_defconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/gustavoars_mpc85xx_defconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 24 ARCH=powerpc O=/kisskb/build/gustavoars_mpc85xx_defconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/include/linux/kernel.h:11, from /kisskb/src/include/linux/list.h:9, 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:78:42: 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:139:6: 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: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:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe3c478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) INFO: Uncompressed kernel (size 0xe2bc74) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775870 Bytes = 6617.06 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f0031c Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775838 Bytes = 6617.03 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775699 Bytes = 6616.89 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775867 Bytes = 6617.06 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f0031c Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775846 Bytes = 6617.04 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6776334 Bytes = 6617.51 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6776186 Bytes = 6617.37 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6776327 Bytes = 6617.51 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:51:59 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6741039 Bytes = 6583.05 KiB = 6.43 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:52:00 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775769 Bytes = 6616.96 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f0031c Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:52:00 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775671 Bytes = 6616.87 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:52:00 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775770 Bytes = 6616.96 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f0031c Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:52:00 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6776222 Bytes = 6617.40 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:52:01 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775895 Bytes = 6617.08 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f0031c Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:52:01 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775860 Bytes = 6617.05 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Image Name: Linux-5.7.0-rc2-g7ccc9de5c708 Created: Wed Apr 22 15:52:01 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6775867 Bytes = 6617.06 KiB = 6.46 MiB Load Address: 00f00000 Entry Point: 00f002cc Completed OK # rm -rf /kisskb/build/gustavoars_mpc85xx_defconfig_powerpc-gcc9 # Build took: 0:03:17.424826