Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Oct 20 2018, 04:30

kisskb

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Status:	OK
Date/Time:	Oct 20 2018, 04:30
Duration:	0:03:23.846644
Builder:	ka2
Revision:	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc (`2a96661054452c3016c377d72a38c6d4948ea6ae)`
Target:	linus-rand/x86_64-randconfig/x86_64-gcc4.6
Branch:	linus-rand
Compiler:	x86_64-gcc4.6 (x86_64-linux-gcc (GCC) 4.6.3)
Config:	randconfig (download)
Log:	Download original Possible warnings (39) arch/x86/xen/mmu.c:156:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] kernel/sched/core.c:139:6: warning: unused variable 'steal' [-Wunused-variable] kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] kernel/rcu/srcutree.c:129:33: warning: 'levelspread[<Uaf00>]' may be used uninitialized in this function [-Wuninitialized] kernel/trace/.tmp_ftrace.o: warning: objtool: alloc_and_copy_ftrace_hash.constprop.37()+0x7f: unreachable instruction arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/.tmp_ftrace.o: warning: objtool: ftrace_modify_call()+0x2: unreachable instruction kernel/rcu/.tmp_tree.o: warning: objtool: rcu_init()+0x1bb: unreachable instruction kernel/trace/.tmp_trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x85: unreachable instruction mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] kernel/trace/.tmp_ring_buffer_benchmark.o: warning: objtool: ring_buffer_consumer_thread()+0x8f: unreachable instruction include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] fs/.tmp_aio.o: warning: objtool: aio_nr_sub()+0x22: unreachable instruction drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/reservation.c:208:2: warning: 'k' may be used uninitialized in this function [-Wuninitialized] drivers/clk/.tmp_clk.o: warning: objtool: clk_prepare_unlock()+0x28: unreachable instruction include/linux/string.h:266:29: warning: array subscript is above array bounds [-Warray-bounds] drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/nvme/host/lightnvm.c:625:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/iio/temperature/mlx90632.c:472:39: warning: 'object_old_raw' may be used uninitialized in this function [-Wuninitialized] drivers/iio/temperature/mlx90632.c:472:39: warning: 'object_new_raw' may be used uninitialized in this function [-Wuninitialized] arch/x86/xen/mmu.c:156:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/clk/.tmp_clk.o: warning: objtool: clk_prepare_unlock()+0x28: unreachable instruction drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/sched/core.c:139:6: warning: unused variable 'steal' [-Wunused-variable] kernel/rcu/srcutree.c:129:33: warning: 'levelspread[<Ue820>]' may be used uninitialized in this function [-Wuninitialized] kernel/rcu/.tmp_tree.o: warning: objtool: rcu_init()+0x1bb: unreachable instruction kernel/trace/.tmp_trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x85: unreachable instruction mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] Full Log # git rev-parse -q --verify 2a96661054452c3016c377d72a38c6d4948ea6ae^{commit} 2a96661054452c3016c377d72a38c6d4948ea6ae already have revision, skipping fetch # git checkout -q -f -B kisskb 2a96661054452c3016c377d72a38c6d4948ea6ae # git clean -qxdf # < git log -1 # commit 2a96661054452c3016c377d72a38c6d4948ea6ae # Merge: 7555c5d5a879 27faeebd0081 # Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # Date: Fri Oct 19 09:15:12 2018 +0200 # # Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc # # David writes: # "Sparc fixes: # # The main bit here is fixing how fallback system calls are handled in # the sparc vDSO. # # Unfortunately, I fat fingered the commit and some perf debugging # hacks slipped into the vDSO fix, which I revert in the very next # commit." # # * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: # sparc: Revert unintended perf changes. # sparc: vDSO: Silence an uninitialized variable warning # sparc: Fix syscall fallback bugs in VDSO. # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 2a96661054452c3016c377d72a38c6d4948ea6ae # < make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- randconfig KCONFIG_SEED=0x65E476E9 # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # yes \n \| make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/arch/x86/xen/mmu.c: In function 'do_remap_pfn.isra.1': /kisskb/src/arch/x86/xen/mmu.c:156:12: warning: 'i' 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:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/sched/core.c: In function 'update_rq_clock_task': /kisskb/src/kernel/sched/core.c:139:6: warning: unused variable 'steal' [-Wunused-variable] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' 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:129:33: warning: 'levelspread[<Uaf00>]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:96:6: note: 'levelspread[<Uaf00>]' was declared here kernel/trace/.tmp_ftrace.o: warning: objtool: alloc_and_copy_ftrace_hash.constprop.37()+0x7f: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/.tmp_ftrace.o: warning: objtool: ftrace_modify_call()+0x2: unreachable instruction kernel/rcu/.tmp_tree.o: warning: objtool: rcu_init()+0x1bb: unreachable instruction kernel/trace/.tmp_trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x85: unreachable instruction /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] kernel/trace/.tmp_ring_buffer_benchmark.o: warning: objtool: ring_buffer_consumer_thread()+0x8f: unreachable instruction /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:341:21: note: 'pdeo' was declared here /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] /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] fs/.tmp_aio.o: warning: objtool: aio_nr_sub()+0x22: unreachable instruction /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1833:6: 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:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:208:2: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:161:17: note: 'k' was declared here drivers/clk/.tmp_clk.o: warning: objtool: clk_prepare_unlock()+0x28: unreachable instruction /kisskb/src/drivers/lightnvm/core.c: In function 'nvm_ioctl_dev_create.isra.12': /kisskb/src/include/linux/string.h:266:29: warning: array subscript is above array bounds [-Warray-bounds] /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/host/lightnvm.c: In function 'nvme_nvm_get_chk_meta': /kisskb/src/drivers/nvme/host/lightnvm.c:625:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c: In function 'mlx90632_read_raw': /kisskb/src/drivers/iio/temperature/mlx90632.c:472:39: warning: 'object_old_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:429:56: note: 'object_old_raw' was declared here /kisskb/src/drivers/iio/temperature/mlx90632.c:472:39: warning: 'object_new_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:429:40: note: 'object_new_raw' was declared here /kisskb/src/arch/x86/xen/mmu.c: In function 'do_remap_pfn.isra.1': /kisskb/src/arch/x86/xen/mmu.c:156:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/clk/.tmp_clk.o: warning: objtool: clk_prepare_unlock()+0x28: unreachable instruction /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2511:6: 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:1833:6: warning: 'ret' 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:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/sched/core.c: In function 'update_rq_clock_task': /kisskb/src/kernel/sched/core.c:139:6: warning: unused variable 'steal' [-Wunused-variable] /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields': /kisskb/src/kernel/rcu/srcutree.c:129:33: warning: 'levelspread[<Ue820>]' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/rcu/srcutree.c:96:6: note: 'levelspread[<Ue820>]' was declared here kernel/rcu/.tmp_tree.o: warning: objtool: rcu_init()+0x1bb: unreachable instruction kernel/trace/.tmp_trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x85: unreachable instruction /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:03:23.846644

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