Buildresult: powerpc-fixes/corenet_basic_defconfig/powerpc-gcc4.6 built on May 17 2019, 03:12

kisskb

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Status:	OK
Date/Time:	May 17 2019, 03:12
Duration:	0:00:25.787965
Builder:	blade4b
Revision:	powerpc/mm: Drop VM_BUG_ON in get_region_id() (`6457f42eb3f6e9552366631bd5aeb096ae5f599a)`
Target:	powerpc-fixes/corenet_basic_defconfig/powerpc-gcc4.6
Branch:	powerpc-fixes
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	corenet_basic_defconfig (download)
Log:	Download original Possible warnings (9) <stdin>:1388:2: warning: #warning syscall open_tree not implemented [-Wcpp] <stdin>:1391:2: warning: #warning syscall move_mount not implemented [-Wcpp] <stdin>:1394:2: warning: #warning syscall fsopen not implemented [-Wcpp] <stdin>:1397:2: warning: #warning syscall fsconfig not implemented [-Wcpp] <stdin>:1400:2: warning: #warning syscall fsmount not implemented [-Wcpp] <stdin>:1403:2: warning: #warning syscall fspick not implemented [-Wcpp] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/futex.c:1658:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify 6457f42eb3f6e9552366631bd5aeb096ae5f599a^{commit} 6457f42eb3f6e9552366631bd5aeb096ae5f599a already have revision, skipping fetch # git checkout -q -f -B kisskb 6457f42eb3f6e9552366631bd5aeb096ae5f599a # git clean -qxdf # < git log -1 # commit 6457f42eb3f6e9552366631bd5aeb096ae5f599a # Author: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> # Date: Wed May 15 15:15:23 2019 +0530 # # powerpc/mm: Drop VM_BUG_ON in get_region_id() # # We call get_region_id() without validating the ea value. That means # with a wrong ea value we hit the BUG as below. # # kernel BUG at arch/powerpc/include/asm/book3s/64/hash.h:129! # Oops: Exception in kernel mode, sig: 5 [#1] # LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries # CPU: 0 PID: 3937 Comm: access_tests Not tainted 5.1.0 # .... # NIP [c00000000007ba20] do_slb_fault+0x70/0x320 # LR [c00000000000896c] data_access_slb_common+0x15c/0x1a0 # # Fix this by removing the VM_BUG_ON. All callers make sure the returned # region id is valid and error out otherwise. # # Fixes: 0034d395f89d ("powerpc/mm/hash64: Map all the kernel regions in the same 0xc range") # Reported-by: Andrew Donnellan <ajd@linux.ibm.com> # 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 # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 6457f42eb3f6e9552366631bd5aeb096ae5f599a # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_corenet_basic_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- corenet_basic_defconfig # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_corenet_basic_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- <stdin>:1388:2: warning: #warning syscall open_tree not implemented [-Wcpp] <stdin>:1391:2: warning: #warning syscall move_mount not implemented [-Wcpp] <stdin>:1394:2: warning: #warning syscall fsopen not implemented [-Wcpp] <stdin>:1397:2: warning: #warning syscall fsconfig not implemented [-Wcpp] <stdin>:1400:2: warning: #warning syscall fsmount not implemented [-Wcpp] <stdin>:1403:2: warning: #warning syscall fspick not implemented [-Wcpp] /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:331:21: note: 'pdeo' was declared here /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1658:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:1633:6: note: 'oldval' was declared here Completed OK # rm -rf /kisskb/build/powerpc-fixes_corenet_basic_defconfig_powerpc-gcc4.6 # Build took: 0:00:25.787965

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