# git rev-parse -q --verify 4c80ba392bf603d468ea827d902f8e7b2505fbf4^{commit} 4c80ba392bf603d468ea827d902f8e7b2505fbf4 already have revision, skipping fetch # git checkout -q -f -B kisskb 4c80ba392bf603d468ea827d902f8e7b2505fbf4 # git clean -qxdf # < git log -1 # commit 4c80ba392bf603d468ea827d902f8e7b2505fbf4 # Author: Eric Auger # Date: Tue Nov 26 18:54:13 2019 +0100 # # iommu: fix KASAN use-after-free in iommu_insert_resv_region # # In case the new region gets merged into another one, the nr list node is # freed. Checking its type while completing the merge algorithm leads to # a use-after-free. Use new->type instead. # # Fixes: 4dbd258ff63e ("iommu: Revisit iommu_insert_resv_region() implementation") # Signed-off-by: Eric Auger # Reported-by: Qian Cai # Reviewed-by: Jerry Snitselaar # Cc: Stable #v5.3+ # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 4c80ba392bf603d468ea827d902f8e7b2505fbf4 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc85xx_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/sound/soc/codecs/wm8960.c: In function 'wm8960_configure_clocking': /kisskb/src/sound/soc/codecs/wm8960.c:800:70: warning: 'j' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/wm8960.c:797:68: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec': /kisskb/src/fs/ext4/extents.c:5054:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2591:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1852:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1377:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] /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 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc8a61c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xc79e84) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:00 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6061867 Bytes = 5919.79 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:00 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6029475 Bytes = 5888.16 KiB = 5.75 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:00 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6062189 Bytes = 5920.11 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:02 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6061862 Bytes = 5919.79 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:02 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6057207 Bytes = 5915.24 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:02 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6061869 Bytes = 5919.79 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:03 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6061866 Bytes = 5919.79 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:02 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6056475 Bytes = 5914.53 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:03 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6057809 Bytes = 5915.83 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:03 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6062189 Bytes = 5920.11 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:03 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6057417 Bytes = 5915.45 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:03 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6055916 Bytes = 5913.98 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:02 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6056478 Bytes = 5914.53 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:03 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6061863 Bytes = 5919.79 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:02 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6057836 Bytes = 5915.86 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.5.0-rc2-g4c80ba392bf6 Created: Tue Dec 17 08:48:04 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6056236 Bytes = 5914.29 KiB = 5.78 MiB Load Address: 00d00000 Entry Point: 00d002a8 Completed OK # rm -rf /kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.6 # Build took: 0:02:02.221318