Buildresult: linus/arm64-defconfig/arm64-gcc5 built on Dec 17 2019, 09:26

kisskb

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Status:	OK
Date/Time:	Dec 17 2019, 09:26
Duration:	0:05:17.144623
Builder:	blade46
Revision:	iommu: fix KASAN use-after-free in iommu_insert_resv_region (`4c80ba392bf603d468ea827d902f8e7b2505fbf4)`
Target:	linus/arm64-defconfig/arm64-gcc5
Branch:	linus
Compiler:	arm64-gcc5 (aarch64-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0 / GNU ld (GNU Binutils) 2.25.1)
Config:	defconfig (download)
Log:	Download original Possible warnings (2) drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] 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/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 4c80ba392bf603d468ea827d902f8e7b2505fbf4 # < make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- defconfig # make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:38: LSE atomics not supported by binutils /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized] pd->msg->buf[real_pos] = data; ^ /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here unsigned char data; ^ In file included from /kisskb/src/include/linux/rwsem.h:16:0, from /kisskb/src/include/linux/notifier.h:15, from /kisskb/src/include/linux/clk.h:14, from /kisskb/src/drivers/tty/serial/sh-sci.c:24: /kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit': /kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized] _raw_spin_unlock_irqrestore(lock, flags); \ ^ /kisskb/src/drivers/tty/serial/sh-sci.c:1352:16: note: 'flags' was declared here unsigned long flags; ^ Completed OK # rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 # Build took: 0:05:17.144623

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