Buildresult: linus/um-allyesconfig/um-x86_64 built on Jun 13 2018, 17:52

kisskb

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Status:	OK
Date/Time:	Jun 13 2018, 17:52
Duration:	0:10:12.527618
Builder:	ka3
Revision:	Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent" (`f5b7769eb0400ec5217a47e41148a9f816ca1f9f)`
Target:	linus/um-allyesconfig/um-x86_64
Branch:	linus
Compiler:	um-x86_64 (x86_64-linux-gcc.br_real (Buildroot 2017.05) 5.4.0)
Config:	allyesconfig (download)
Log:	Download original Possible warnings (4) arch/um/os-Linux/skas/process.c:613:1: warning: control reaches end of non-void function [-Wreturn-type] kernel/cgroup/cgroup-v1.c:1256:3: warning: 'root' may be used uninitialized in this function [-Wmaybe-uninitialized] security/apparmor/policy_unpack.c:515:9: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] lib/lz4/lz4hc_compress.c:579:1: warning: the frame size of 2144 bytes is larger than 2048 bytes [-Wframe-larger-than=] Full Log # git rev-parse -q --verify f5b7769eb0400ec5217a47e41148a9f816ca1f9f^{commit} f5b7769eb0400ec5217a47e41148a9f816ca1f9f already have revision, skipping fetch # git checkout -q -f -B kisskb f5b7769eb0400ec5217a47e41148a9f816ca1f9f # git clean -qxdf # < git log -1 # commit f5b7769eb0400ec5217a47e41148a9f816ca1f9f # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Tue Jun 12 20:52:16 2018 -0700 # # Revert "debugfs: inode: debugfs_create_dir uses mode permission from parent" # # This reverts commit 95cde3c59966f6371b6bcd9e4e2da2ba64ee9775. # # The commit had good intentions, but it breaks kvm-tool and qemu-kvm. # # With it in place, "lkvm run" just fails with # # Error: KVM_CREATE_VM ioctl # Warning: Failed init: kvm__init # # which isn't a wonderful error message, but bisection pinpointed the # problematic commit. # # The problem is almost certainly due to the special kvm debugfs entries # created dynamically by kvm under /sys/kernel/debug/kvm/. See # kvm_create_vm_debugfs() # # Bisected-and-reported-by: Linus Torvalds <torvalds@linux-foundation.org> # Cc: Wanpeng Li <kernellwp@gmail.com> # Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # Cc: Thomas Richter <tmricht@linux.ibm.com> # Cc: Kees Cook <keescook@chromium.org> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 f5b7769eb0400ec5217a47e41148a9f816ca1f9f # < make -s -j 10 ARCH=um O=/kisskb/build/linus_um-allyesconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 allyesconfig # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_KCOV=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # Added to kconfig CONFIG_GCC_PLUGIN_STRUCTLEAK=n # Added to kconfig CONFIG_GCC_PLUGIN_RANDSTRUCT=n # Added to kconfig CONFIG_UML_NET=n # Added to kconfig CONFIG_UML_NET_ETHERTAP=n # Added to kconfig CONFIG_UML_NET_TUNTAP=n # Added to kconfig CONFIG_UML_NET_SLIP=n # Added to kconfig CONFIG_UML_NET_DAEMON=n # Added to kconfig CONFIG_UML_NET_VDE=n # Added to kconfig CONFIG_UML_NET_MCAST=n # Added to kconfig CONFIG_UML_NET_PCAP=n # Added to kconfig CONFIG_UML_NET_SLIRP=n # Added to kconfig CONFIG_GCOV_KERNEL=n # yes \n \| make -s -j 10 ARCH=um O=/kisskb/build/linus_um-allyesconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 oldconfig yes: standard output: Broken pipe yes: write error # make -s -j 10 ARCH=um O=/kisskb/build/linus_um-allyesconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 /kisskb/src/arch/um/os-Linux/skas/process.c: In function 'start_idle_thread': /kisskb/src/arch/um/os-Linux/skas/process.c:613:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:3: warning: 'root' may be used uninitialized in this function [-Wmaybe-uninitialized] percpu_ref_reinit(&root->cgrp.self.refcnt); ^ /kisskb/src/security/apparmor/policy_unpack.c: In function 'unpack_trans_table': /kisskb/src/security/apparmor/policy_unpack.c:515:9: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized] str[pos] = ':'; ^ /kisskb/src/lib/lz4/lz4hc_compress.c: In function 'LZ4HC_compress_generic': /kisskb/src/lib/lz4/lz4hc_compress.c:579:1: warning: the frame size of 2144 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ LINK linux Completed OK # rm -rf /kisskb/build/linus_um-allyesconfig_um-x86_64 # Build took: 0:10:12.527618

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