Buildresult: linus/arm64-allmodconfig/arm64-gcc5 built on Dec 16 2020, 19:40

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Status:	OK
Date/Time:	Dec 16 2020, 19:40
Duration:	0:12:01.737563
Builder:	ka4
Revision:	Merge branch 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace (`d01e7f10dae29eba0f9ada82b65d24e035d5b2f9)`
Target:	linus/arm64-allmodconfig/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:	allmodconfig (download)
Log:	Download original Possible warnings (2) samples/seccomp/user-trap.c:50:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] samples/seccomp/user-trap.c:83:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] Full Log # git rev-parse -q --verify d01e7f10dae29eba0f9ada82b65d24e035d5b2f9^{commit} d01e7f10dae29eba0f9ada82b65d24e035d5b2f9 already have revision, skipping fetch # git checkout -q -f -B kisskb d01e7f10dae29eba0f9ada82b65d24e035d5b2f9 # git clean -qxdf # < git log -1 # commit d01e7f10dae29eba0f9ada82b65d24e035d5b2f9 # Merge: faf145d6f3f3 f7cfd871ae0c # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Tue Dec 15 19:36:48 2020 -0800 # # Merge branch 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace # # Pull exec-update-lock update from Eric Biederman: # "The key point of this is to transform exec_update_mutex into a # rw_semaphore so readers can be separated from writers. # # This makes it easier to understand what the holders of the lock are # doing, and makes it harder to contend or deadlock on the lock. # # The real deadlock fix wound up in perf_event_open" # # * 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: # exec: Transform exec_update_mutex into a rw_semaphore # < /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 d01e7f10dae29eba0f9ada82b65d24e035d5b2f9 # < make -s -j 40 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- allmodconfig # make -s -j 40 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:33: LSE atomics not supported by binutils /kisskb/src/samples/seccomp/user-trap.c: In function 'send_fd': /kisskb/src/samples/seccomp/user-trap.c:50:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] ((int )CMSG_DATA(cmsg)) = fd; ^ /kisskb/src/samples/seccomp/user-trap.c: In function 'recv_fd': /kisskb/src/samples/seccomp/user-trap.c:83:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] return ((int )CMSG_DATA(cmsg)); ^ Completed OK # rm -rf /kisskb/build/linus_arm64-allmodconfig_arm64-gcc5.4 # Build took: 0:12:01.737563

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