Buildresult: powerpc-next/pq2fads_defconfig/powerpc-gcc4.6 built on May 31 2018, 04:53

kisskb

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Status:	OK
Date/Time:	May 31 2018, 04:53
Duration:	0:00:45.958241
Builder:	ka1
Revision:	powerpc/mm: Fix kernel crash on page table free (`e3a36ba92d97c153c65c3866ec0e83e4e7de7c86)`
Target:	powerpc-next/pq2fads_defconfig/powerpc-gcc4.6
Branch:	powerpc-next
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3)
Config:	pq2fads_defconfig (download)
Log:	Download original Possible warnings (6) kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1822:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1732:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] arch/powerpc/boot/pq2fads.dtb: Warning (pci_bridge): /pci@f0010800: missing bus-range for PCI bridge arch/powerpc/boot/pq2fads.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' Full Log # git rev-parse -q --verify e3a36ba92d97c153c65c3866ec0e83e4e7de7c86^{commit} e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 already have revision, skipping fetch # git checkout -q -f -B kisskb e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 # git clean -qxdf # < git log -1 # commit e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 # Author: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Date: Wed May 30 18:02:25 2018 +0530 # # powerpc/mm: Fix kernel crash on page table free # # Fix the below crash on Book3E 64. pgtable_page_dtor expects struct # page *arg. # # Also call the destructor on non book3s platforms correctly. This frees # up the split PTL locks correctly if we had allocated them before. # # Call Trace: # .kmem_cache_free+0x9c/0x44c (unreliable) # .ptlock_free+0x1c/0x30 # .tlb_remove_table+0xdc/0x224 # .free_pgd_range+0x298/0x500 # .shift_arg_pages+0x10c/0x1e0 # .setup_arg_pages+0x200/0x25c # .load_elf_binary+0x450/0x16c8 # .search_binary_handler.part.11+0x9c/0x248 # .do_execveat_common.isra.13+0x868/0xc18 # .run_init_process+0x34/0x4c # .try_to_run_init_process+0x1c/0x68 # .kernel_init+0xdc/0x130 # .ret_from_kernel_thread+0x58/0x7c # # Fixes: 702346768 ("powerpc/mm/nohash: Remove pte fragment dependency from nohash") # Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pq2fads_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- pq2fads_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pq2fads_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1822:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1732:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /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:340:21: note: 'pdeo' was declared here arch/powerpc/boot/pq2fads.dtb: Warning (pci_bridge): /pci@f0010800: missing bus-range for PCI bridge arch/powerpc/boot/pq2fads.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' INFO: Uncompressed kernel (size 0x54b374) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x53ad68) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-4.17.0-rc3-ge3a36ba Created: Thu May 31 04:54:25 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2712087 Bytes = 2648.52 kB = 2.59 MB Load Address: 00600000 Entry Point: 006007a0 Image Name: Linux-4.17.0-rc3-ge3a36ba Created: Thu May 31 04:54:25 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2688316 Bytes = 2625.31 kB = 2.56 MB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_pq2fads_defconfig_powerpc # Build took: 0:00:45.958241

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