Buildresult: linus/um-allmodconfig/um-x86_64 built on Dec 19 2020, 11:03

kisskb

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Status:	Failed
Date/Time:	Dec 19 2020, 11:03
Duration:	0:04:56.479760
Builder:	ka2
Revision:	mm/filemap: fix infinite loop in generic_file_buffered_read() (`3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3)`
Target:	linus/um-allmodconfig/um-x86_64
Branch:	linus
Compiler:	um-x86_64 (x86_64-linux-gcc.br_real (Buildroot 2017.05) 5.4.0 / GNU ld (GNU Binutils) 2.27)
Config:	allmodconfig (download)
Log:	Download original Possible errors make[5]: * [Makefile:287: elfdep] Error 1 make[4]: * [kernel/bpf/preload/Makefile:8: kernel/bpf/preload/libbpf.a] Error 2 make[3]: * [scripts/Makefile.build:496: kernel/bpf/preload] Error 2 make[2]: * [scripts/Makefile.build:496: kernel/bpf] Error 2 make[1]: * [Makefile:1805: kernel] Error 2 make: * [Makefile:185: __sub-make] Error 2 Possible warnings (6) .config:4410:warning: override: reassigning to symbol GCC_PLUGIN_CYC_COMPLEXITY .config:4412:warning: override: reassigning to symbol GCC_PLUGIN_LATENT_ENTROPY .config:4416:warning: override: reassigning to symbol UML_NET_ETHERTAP .config:4418:warning: override: reassigning to symbol UML_NET_SLIP .config:4421:warning: override: reassigning to symbol UML_NET_MCAST .config:4423:warning: override: reassigning to symbol UML_NET_SLIRP Full Log # git rev-parse -q --verify 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3^{commit} 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 already have revision, skipping fetch # git checkout -q -f -B kisskb 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # git clean -qxdf # < git log -1 # commit 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # Author: Kent Overstreet <kent.overstreet@gmail.com> # Date: Fri Dec 18 04:07:11 2020 -0500 # # mm/filemap: fix infinite loop in generic_file_buffered_read() # # If iter->count is 0 and iocb->ki_pos is page aligned, this causes # nr_pages to be 0. # # Then in generic_file_buffered_read_get_pages() find_get_pages_contig() # returns 0 - because we asked for 0 pages, so we call # generic_file_buffered_read_no_cached_page() which attempts to add a page # to the page cache, which fails with -EEXIST, and then we loop. Oops... # # Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> # Reported-by: Jens Axboe <axboe@kernel.dk> # Reviewed-by: Jens Axboe <axboe@kernel.dk> # 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 # < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3 # < make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 allmodconfig # 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 # Added to kconfig CONFIG_DEBUG_INFO_BTF=n # < make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help # make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig .config:4410:warning: override: reassigning to symbol GCC_PLUGIN_CYC_COMPLEXITY .config:4412:warning: override: reassigning to symbol GCC_PLUGIN_LATENT_ENTROPY .config:4416:warning: override: reassigning to symbol UML_NET_ETHERTAP .config:4418:warning: override: reassigning to symbol UML_NET_SLIP .config:4421:warning: override: reassigning to symbol UML_NET_MCAST .config:4423:warning: override: reassigning to symbol UML_NET_SLIRP # make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 Auto-detecting system features: ... libelf: [ [31mOFF[m ] ... zlib: [ [31mOFF[m ] ... bpf: [ [32mon[m ] No libelf found make[5]: * [Makefile:287: elfdep] Error 1 make[4]: * [/kisskb/src/kernel/bpf/preload/Makefile:8: kernel/bpf/preload/libbpf.a] Error 2 make[3]: * [/kisskb/src/scripts/Makefile.build:496: kernel/bpf/preload] Error 2 make[2]: * [/kisskb/src/scripts/Makefile.build:496: kernel/bpf] Error 2 make[2]: * Waiting for unfinished jobs.... make[1]: * [/kisskb/src/Makefile:1805: kernel] Error 2 make[1]: * Waiting for unfinished jobs.... make: * [Makefile:185: __sub-make] Error 2 Command 'make -s -j 48 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_um-allmodconfig_um-x86_64 # Build took: 0:04:56.479760

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