# 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 # 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 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- randconfig KCONFIG_SEED=0x8AA4E308 # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # < make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- help # make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- olddefconfig # make -s -j 24 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_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:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum /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-rand_arm64-randconfig_arm64-gcc5.4 # Build took: 0:06:28.502177