# git rev-parse -q --verify 353f7988dd8413c47718f7ca79c030b6fb62cfe5^{commit} 353f7988dd8413c47718f7ca79c030b6fb62cfe5 already have revision, skipping fetch # git checkout -q -f -B kisskb 353f7988dd8413c47718f7ca79c030b6fb62cfe5 # git clean -qxdf # < git log -1 # commit 353f7988dd8413c47718f7ca79c030b6fb62cfe5 # Author: Linus Torvalds # Date: Tue Jul 19 11:09:01 2022 -0700 # # watchqueue: make sure to serialize 'wqueue->defunct' properly # # When the pipe is closed, we mark the associated watchqueue defunct by # calling watch_queue_clear(). However, while that is protected by the # watchqueue lock, new watchqueue entries aren't actually added under that # lock at all: they use the pipe->rd_wait.lock instead, and looking up # that pipe happens without any locking. # # The watchqueue code uses the RCU read-side section to make sure that the # wqueue entry itself hasn't disappeared, but that does not protect the # pipe_info in any way. # # So make sure to actually hold the wqueue lock when posting watch events, # properly serializing against the pipe being torn down. # # Reported-by: Noam Rathaus # Cc: Greg KH # Cc: David Howells # Signed-off-by: Linus Torvalds # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 353f7988dd8413c47718f7ca79c030b6fb62cfe5 # < make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux- randconfig # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # < make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux- help # make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux- olddefconfig # make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/aarch64-linux- In file included from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/tm.h:24, from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/gcc-plugin.h:31, from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/plugin.h:23, from /kisskb/src/scripts/gcc-plugins/gcc-common.h:9, from /kisskb/src/scripts/gcc-plugins/latent_entropy_plugin.c:78: /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/config/elfos.h:102:21: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ ^ /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/tm.h:24, from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/gcc-plugin.h:31, from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/plugin.h:23, from /kisskb/src/scripts/gcc-plugins/gcc-common.h:9, from /kisskb/src/scripts/gcc-plugins/structleak_plugin.c:32: /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/config/elfos.h:102:21: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ ^ /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/tm.h:41, from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/gcc-plugin.h:31, from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/plugin.h:23, from /kisskb/src/scripts/gcc-plugins/gcc-common.h:9, from /kisskb/src/scripts/gcc-plugins/latent_entropy_plugin.c:78: /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/defaults.h:126:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ In file included from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/tm.h:41, from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/gcc-plugin.h:31, from /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/plugin.h:23, from /kisskb/src/scripts/gcc-plugins/gcc-common.h:9, from /kisskb/src/scripts/gcc-plugins/structleak_plugin.c:32: /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/aarch64-linux/bin/../lib/gcc/aarch64-linux/5.5.0/plugin/include/defaults.h:126:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ ^ cc1plus: warning: unrecognized command line option '-Wno-format-diag' cc1plus: warning: unrecognized command line option '-Wno-format-diag' Completed OK # rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5 # Build took: 0:02:09.262298