Buildresult: linus/axs101_defconfig/arcompact built on Jan 11 2019, 03:27

kisskb

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Status:	OK
Date/Time:	Jan 11 2019, 03:27
Duration:	0:00:48.689409
Builder:	ka2
Revision:	mm/mmu_notifier: mm/rmap.c: Fix a mmu_notifier range bug in try_to_unmap_one (`ba422731316dde1e22dcc84b83c7349dc0ce1c3c)`
Target:	linus/axs101_defconfig/arcompact
Branch:	linus
Compiler:	arcompact (arc-buildroot-linux-uclibc-gcc (Buildroot 2015.08.1) 4.8.4 / GNU ld (GNU Binutils) 2.23.2)
Config:	axs101_defconfig (download)
Log:	Download original Possible warnings (8) arch/arc/boot/dts/axs10x_mb.dtsi:221.15-225.6: Warning (i2c_bus_reg): /axs10x_mb/i2c@0x1f000/eeprom@0x54: I2C bus unit address format error, expected "54" arch/arc/boot/dts/axs10x_mb.dtsi:227.15-231.6: Warning (i2c_bus_reg): /axs10x_mb/i2c@0x1f000/eeprom@0x57: I2C bus unit address format error, expected "57" arch/arc/mm/tlb.c:914:2: warning: variable length array 'pd0' is used [-Wvla] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] include/linux/kernel.h:846:29: warning: comparison of distinct pointer types lacks a cast [enabled by default] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] net/ipv4/tcp_input.c:4324:49: warning: array subscript is above array bounds [-Warray-bounds] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] Full Log # git rev-parse -q --verify ba422731316dde1e22dcc84b83c7349dc0ce1c3c^{commit} ba422731316dde1e22dcc84b83c7349dc0ce1c3c already have revision, skipping fetch # git checkout -q -f -B kisskb ba422731316dde1e22dcc84b83c7349dc0ce1c3c # git clean -qxdf # < git log -1 # commit ba422731316dde1e22dcc84b83c7349dc0ce1c3c # Author: Sean Christopherson <sean.j.christopherson@intel.com> # Date: Wed Jan 9 16:51:17 2019 -0800 # # mm/mmu_notifier: mm/rmap.c: Fix a mmu_notifier range bug in try_to_unmap_one # # The conversion to use a structure for mmu_notifier_invalidate_range_() # unintentionally changed the usage in try_to_unmap_one() to init the # 'struct mmu_notifier_range' with vma->vm_start instead of @address, # i.e. it invalidates the wrong address range. Revert to the correct # address range. # # Manifests as KVM use-after-free WARNINGs and subsequent "BUG: Bad page # state in process X" errors when reclaiming from a KVM guest due to KVM # removing the wrong pages from its own mappings. # # Reported-by: leozinho29_eu@hotmail.com # Reported-by: Mike Galbraith <efault@gmx.de> # Reported-and-tested-by: Adam Borowski <kilobyte@angband.pl> # Reviewed-by: Jérôme Glisse <jglisse@redhat.com> # Reviewed-by: Pankaj gupta <pagupta@redhat.com> # Cc: Christian König <christian.koenig@amd.com> # Cc: Jan Kara <jack@suse.cz> # Cc: Matthew Wilcox <mawilcox@microsoft.com> # Cc: Ross Zwisler <zwisler@kernel.org> # Cc: Dan Williams <dan.j.williams@intel.com> # Cc: Paolo Bonzini <pbonzini@redhat.com> # Cc: Radim Krčmář <rkrcmar@redhat.com> # Cc: Michal Hocko <mhocko@kernel.org> # Cc: Felix Kuehling <felix.kuehling@amd.com> # Cc: Ralph Campbell <rcampbell@nvidia.com> # Cc: John Hubbard <jhubbard@nvidia.com> # Cc: Andrew Morton <akpm@linux-foundation.org> # Fixes: ac46d4f3c432 ("mm/mmu_notifier: use structure for invalidate_range_start/end calls v2") # Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc-gcc --version # < /opt/cross/kisskb/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc-ld --version # < git log --format=%s --max-count=1 ba422731316dde1e22dcc84b83c7349dc0ce1c3c # < make -s -j 48 ARCH=arc O=/kisskb/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/kisskb/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- axs101_defconfig # Added to kconfig CONFIG_INITRAMFS_SOURCE="" # yes \n \| make -s -j 48 ARCH=arc O=/kisskb/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/kisskb/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- oldconfig yes: standard output: Broken pipe # make -s -j 48 ARCH=arc O=/kisskb/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/kisskb/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- /kisskb/src/arch/arc/boot/dts/axs10x_mb.dtsi:221.15-225.6: Warning (i2c_bus_reg): /axs10x_mb/i2c@0x1f000/eeprom@0x54: I2C bus unit address format error, expected "54" /kisskb/src/arch/arc/boot/dts/axs10x_mb.dtsi:227.15-231.6: Warning (i2c_bus_reg): /axs10x_mb/i2c@0x1f000/eeprom@0x57: I2C bus unit address format error, expected "57" /kisskb/src/arch/arc/mm/tlb.c: In function 'do_tlb_overlap_fault': /kisskb/src/arch/arc/mm/tlb.c:914:2: warning: variable length array 'pd0' is used [-Wvla] unsigned int pd0[mmu->ways]; ^ In file included from /kisskb/src/arch/arc/include/asm/atomic.h:16:0, from /kisskb/src/include/linux/atomic.h:7, from /kisskb/src/include/asm-generic/bitops/lock.h:5, from /kisskb/src/arch/arc/include/asm/bitops.h:429, from /kisskb/src/include/linux/bitops.h:19, from /kisskb/src/include/linux/kernel.h:11, from /kisskb/src/fs/posix_acl.c:13: /kisskb/src/fs/posix_acl.c: In function 'get_acl': /kisskb/src/arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] #define cmpxchg(ptr, o, n) ((typeof((ptr)))__cmpxchg((ptr), \ ^ /kisskb/src/fs/posix_acl.c:147:3: note: in expansion of macro 'cmpxchg' cmpxchg(p, sentinel, ACL_NOT_CACHED); ^ In file included from /kisskb/src/mm/memblock.c:13:0: /kisskb/src/mm/memblock.c: In function '__free_pages_memory': /kisskb/src/include/linux/kernel.h:846:29: warning: comparison of distinct pointer types lacks a cast [enabled by default] (!!(sizeof((typeof(x) )1 == (typeof(y) )1))) ^ /kisskb/src/include/linux/kernel.h:860:4: note: in expansion of macro '__typecheck' (__typecheck(x, y) && __no_side_effects(x, y)) ^ /kisskb/src/include/linux/kernel.h:870:24: note: in expansion of macro '__safe_cmp' __builtin_choose_expr(__safe_cmp(x, y), \ ^ /kisskb/src/include/linux/kernel.h:879:19: note: in expansion of macro '__careful_cmp' #define min(x, y) __careful_cmp(x, y, <) ^ /kisskb/src/mm/memblock.c:1889:11: note: in expansion of macro 'min' order = min(MAX_ORDER - 1UL, __ffs(start)); ^ In file included from /kisskb/src/arch/arc/include/asm/atomic.h:16:0, from /kisskb/src/include/linux/atomic.h:7, from /kisskb/src/include/asm-generic/bitops/lock.h:5, from /kisskb/src/arch/arc/include/asm/bitops.h:429, from /kisskb/src/include/linux/bitops.h:19, from /kisskb/src/include/linux/kernel.h:11, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/wait.h:7, from /kisskb/src/include/linux/wait_bit.h:8, from /kisskb/src/include/linux/fs.h:6, from /kisskb/src/fs/nfs/nfs3acl.c:2: /kisskb/src/fs/nfs/nfs3acl.c: In function 'nfs3_abort_get_acl': /kisskb/src/arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] #define cmpxchg(ptr, o, n) ((typeof((ptr)))__cmpxchg((ptr), \ ^ /kisskb/src/fs/nfs/nfs3acl.c:44:2: note: in expansion of macro 'cmpxchg' cmpxchg(p, sentinel, ACL_NOT_CACHED); ^ /kisskb/src/net/ipv4/tcp_input.c: In function 'tcp_data_queue': /kisskb/src/net/ipv4/tcp_input.c:4324:49: warning: array subscript is above array bounds [-Warray-bounds] tp->selective_acks[i-1] = tp->selective_acks[i]; ^ In file included from /kisskb/src/arch/arc/include/asm/atomic.h:16:0, from /kisskb/src/include/linux/atomic.h:7, from /kisskb/src/include/asm-generic/bitops/lock.h:5, from /kisskb/src/arch/arc/include/asm/bitops.h:429, from /kisskb/src/include/linux/bitops.h:19, from /kisskb/src/include/linux/kernel.h:11, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/module.h:9, from /kisskb/src/net/core/filter.c:24: /kisskb/src/net/core/filter.c: In function 'bpf_clear_redirect_map': /kisskb/src/arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] #define cmpxchg(ptr, o, n) ((typeof((ptr)))__cmpxchg((ptr), \ ^ /kisskb/src/net/core/filter.c:3469:4: note: in expansion of macro 'cmpxchg' cmpxchg(&ri->map, map, NULL); ^ Completed OK # rm -rf /kisskb/build/linus_axs101_defconfig_arcompact # Build took: 0:00:48.689409

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