Buildresult: powerpc-next/mips-defconfig/mips-gcc4.6 built on May 31 2018, 04:20

kisskb

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Status:	OK
Date/Time:	May 31 2018, 04:20
Duration:	0:01:31.927586
Builder:	ka1
Revision:	powerpc/mm: Fix kernel crash on page table free (`e3a36ba92d97c153c65c3866ec0e83e4e7de7c86)`
Target:	powerpc-next/mips-defconfig/mips-gcc4.6
Branch:	powerpc-next
Compiler:	mips-gcc4.6 (mips-linux-gcc (GCC) 4.6.3)
Config:	defconfig (download)
Log:	Download original Possible warnings (8) kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/cgroup/cgroup-v1.c:1268:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] kernel/rcu/srcutree.c:146:32: warning: 'levelspread[<U8f00>]' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] 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/mips-linux/bin/mips-linux-gcc --version # < git log --format=%s --max-count=1 e3a36ba92d97c153c65c3866ec0e83e4e7de7c86 # < make -s -j 48 ARCH=mips O=/kisskb/build/powerpc-next_mips-defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- defconfig # make -s -j 48 ARCH=mips O=/kisskb/build/powerpc-next_mips-defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- /kisskb/src/arch/mips/vdso/Makefile:32: MIPS VDSO requires binutils >= 2.25 /kisskb/src/arch/mips/vdso/Makefile:32: MIPS VDSO requires binutils >= 2.25 /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/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1268:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:146:32: warning: 'levelspread[<U8f00>]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:94:6: note: 'levelspread[<U8f00>]' 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:340:21: note: 'pdeo' was declared here /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: 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:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here /kisskb/src/arch/mips/vdso/Makefile:32: MIPS VDSO requires binutils >= 2.25 /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] FIT description: Linux 4.17.0-rc3-ge3a36ba Created: Thu May 31 04:22:30 2018 Image 0 (kernel@0) Description: Linux 4.17.0-rc3-ge3a36ba Created: Thu May 31 04:22:30 2018 Type: Kernel Image Compression: gzip compressed Data Size: 4361964 Bytes = 4259.73 kB = 4.16 MB Architecture: MIPS OS: Linux Load Address: 0x80100000 Entry Point: 0x8085e470 Hash algo: sha1 Hash value: 54b1d9e60fec5f4421653ba5e4956841f86b54f7 Image 1 (fdt@boston) Description: img,boston Device Tree Created: Thu May 31 04:22:30 2018 Type: Flat Device Tree Compression: uncompressed Data Size: 3668 Bytes = 3.58 kB = 0.00 MB Architecture: MIPS Hash algo: sha1 Hash value: 569c37cc891ce1e1f3a193cb41cc691a5d2debb5 Image 2 (fdt@ni169445) Description: NI 169445 device tree Created: Thu May 31 04:22:30 2018 Type: Flat Device Tree Compression: uncompressed Data Size: 1871 Bytes = 1.83 kB = 0.00 MB Architecture: MIPS Hash algo: sha1 Hash value: 51b89b31605ee62038c8468c429af091dfc75ec7 Default Configuration: 'conf@default' Configuration 0 (conf@default) Description: Generic Linux kernel Kernel: kernel@0 Configuration 1 (conf@boston) Description: Boston Linux kernel Kernel: kernel@0 FDT: fdt@boston Configuration 2 (conf@ni169445) Description: NI 169445 Linux Kernel Kernel: kernel@0 FDT: fdt@ni169445 Completed OK # rm -rf /kisskb/build/powerpc-next_mips-defconfig_mips # Build took: 0:01:31.927586

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