Buildresult: linus-rand/arm64-randconfig/arm64-gcc8 built on Dec 17 2019, 11:40

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Status:	OK
Date/Time:	Dec 17 2019, 11:40
Duration:	0:05:24.659138
Builder:	blade4b
Revision:	iommu: fix KASAN use-after-free in iommu_insert_resv_region (`4c80ba392bf603d468ea827d902f8e7b2505fbf4)`
Target:	linus-rand/arm64-randconfig/arm64-gcc8
Branch:	linus-rand
Compiler:	arm64-gcc8 (aarch64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	randconfig (download)
Log:	Download original Possible warnings (1) kernel/bpf/btf.c:3508:63: warning: array subscript 0 is above array bounds of 'u8[0]' {aka 'unsigned char[0]'} [-Warray-bounds] Full Log # git rev-parse -q --verify 4c80ba392bf603d468ea827d902f8e7b2505fbf4^{commit} 4c80ba392bf603d468ea827d902f8e7b2505fbf4 already have revision, skipping fetch # git checkout -q -f -B kisskb 4c80ba392bf603d468ea827d902f8e7b2505fbf4 # git clean -qxdf # < git log -1 # commit 4c80ba392bf603d468ea827d902f8e7b2505fbf4 # Author: Eric Auger <eric.auger@redhat.com> # Date: Tue Nov 26 18:54:13 2019 +0100 # # iommu: fix KASAN use-after-free in iommu_insert_resv_region # # In case the new region gets merged into another one, the nr list node is # freed. Checking its type while completing the merge algorithm leads to # a use-after-free. Use new->type instead. # # Fixes: 4dbd258ff63e ("iommu: Revisit iommu_insert_resv_region() implementation") # Signed-off-by: Eric Auger <eric.auger@redhat.com> # Reported-by: Qian Cai <cai@lca.pw> # Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> # Cc: Stable <stable@vger.kernel.org> #v5.3+ # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 4c80ba392bf603d468ea827d902f8e7b2505fbf4 # < make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux- randconfig KCONFIG_SEED=0xD6F9566B # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # yes \n \| make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux- /kisskb/src/kernel/bpf/btf.c: In function 'btf_get_prog_ctx_type.isra.37': /kisskb/src/kernel/bpf/btf.c:3508:63: warning: array subscript 0 is above array bounds of 'u8[0]' {aka 'unsigned char[0]'} [-Warray-bounds] ctx_type = btf_type_member(conv_struct) + bpf_ctx_convert_map[prog_type] * 2; ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 # Build took: 0:05:24.659138

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