19-Aug-2026 20:55:09: building syzkaller on 88a4b44cfbe2284d78829e759139c02094fe9f8b... 19-Aug-2026 23:05:45: fetching kernel... 19-Aug-2026 23:05:54: checked out kernel commit cb8a75eec0877810b50aa1c5a833f929525cd2ee ("Merge tag 'trace-ringbuffer-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace", 2026-08-19 14:22:07 -0700 -0700) 19-Aug-2026 23:05:54: cleaning kernel... 20-Aug-2026 00:54:59: building kernel... 20-Aug-2026 01:44:00: kernel build failed: failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "64" "ARCH=x86_64" "bzImage"]: exit status 2 GEN arch/x86/include/generated/asm/orc_hash.h UPD include/config/kernel.release UPD include/generated/uapi/linux/version.h UPD arch/x86/include/generated/uapi/asm/bpf_perf_event.h UPD arch/x86/include/generated/uapi/asm/errno.h UPD arch/x86/include/generated/uapi/asm/fcntl.h SYSHDR arch/x86/include/generated/uapi/asm/unistd_32.h UPD arch/x86/include/generated/uapi/asm/ioctl.h UPD arch/x86/include/generated/uapi/asm/ioctls.h SYSHDR arch/x86/include/generated/uapi/asm/unistd_64.h UPD arch/x86/include/generated/uapi/asm/ipcbuf.h UPD arch/x86/include/generated/uapi/asm/param.h SYSHDR arch/x86/include/generated/uapi/asm/unistd_x32.h UPD arch/x86/include/generated/uapi/asm/poll.h UPD arch/x86/include/generated/uapi/asm/resource.h SYSTBL arch/x86/include/generated/asm/syscalls_32.h UPD arch/x86/include/generated/uapi/asm/socket.h UPD arch/x86/include/generated/uapi/asm/sockios.h SYSHDR arch/x86/include/generated/asm/unistd_32_ia32.h UPD include/generated/compile.h UPD arch/x86/include/generated/uapi/asm/termbits.h UPD arch/x86/include/generated/uapi/asm/termios.h SYSHDR arch/x86/include/generated/asm/unistd_64_x32.h UPD include/generated/utsrelease.h UPD arch/x86/include/generated/uapi/asm/types.h SYSTBL arch/x86/include/generated/asm/syscalls_64.h SYSTBL arch/x86/include/generated/asm/syscalls_x32.h HOSTCC arch/x86/tools/relocs_32.o HOSTCC scripts/dtc/dtc.o HOSTCC arch/x86/tools/relocs_64.o HOSTCC arch/x86/tools/relocs_common.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o HOSTCC arch/x86/tools/vdso2c HOSTCC scripts/dtc/data.o HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o LEX scripts/dtc/dtc-lexer.lex.c YACC scripts/dtc/dtc-parser.tab.[ch] UPD arch/x86/include/generated/asm/early_ioremap.h HOSTCC scripts/dtc/libfdt/fdt.o UPD arch/x86/include/generated/asm/fprobe.h UPD arch/x86/include/generated/asm/mcs_spinlock.h UPD arch/x86/include/generated/asm/mmzone.h HOSTCC scripts/dtc/libfdt/fdt_ro.o UPD arch/x86/include/generated/asm/ring_buffer.h HOSTCC scripts/dtc/libfdt/fdt_wip.o UPD arch/x86/include/generated/asm/device.h DESCEND objtool UPD arch/x86/include/generated/asm/irq_regs.h HOSTCC scripts/dtc/libfdt/fdt_sw.o UPD arch/x86/include/generated/asm/kmap_size.h UPD arch/x86/include/generated/asm/local64.h HOSTCC scripts/dtc/libfdt/fdt_rw.o UPD arch/x86/include/generated/asm/mmiowb.h UPD arch/x86/include/generated/asm/module.lds.h HOSTCC scripts/dtc/libfdt/fdt_strerror.o UPD arch/x86/include/generated/asm/rwonce.h HOSTCC scripts/dtc/libfdt/fdt_empty_tree.o HOSTCC scripts/dtc/libfdt/fdt_addresses.o REMOVE arch/x86/include/generated/asm/.tmp_cpufeaturemasks.h HOSTCC scripts/dtc/libfdt/fdt_overlay.o HOSTCC scripts/dtc/fdtoverlay.o UPD arch/x86/include/generated/asm/cpufeaturemasks.h mv: cannot stat 'arch/x86/include/generated/asm/.tmp_cpufeaturemasks.h': No such file or directory make[1]: *** [arch/x86/Makefile:269: arch/x86/include/generated/asm/cpufeaturemasks.h] Error 1 make[1]: *** Waiting for unfinished jobs.... HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.o HOSTLD arch/x86/tools/relocs HOSTLD scripts/dtc/fdtoverlay HOSTLD scripts/dtc/dtc CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/exec-cmd.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/help.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/pager.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/parse-options.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/run-command.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/sigchain.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/subcmd-config.o LD /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/libsubcmd-in.o AR /syzkaller/jobs-2/linux/kernel/tools/objtool/libsubcmd/libsubcmd.a CC /syzkaller/jobs-2/linux/kernel/tools/objtool/weak.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/check.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/special.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/builtin-check.o MKDIR /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/lib/ CC /syzkaller/jobs-2/linux/kernel/tools/objtool/elf.o MKDIR /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/lib/ CC /syzkaller/jobs-2/linux/kernel/tools/objtool/klp-symid.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/orc.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/objtool.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/orc_gen.o GEN /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/lib/inat-tables.c CC /syzkaller/jobs-2/linux/kernel/tools/objtool/orc_dump.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libstring.o GEN /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/lib/cpu-feature-names.c CC /syzkaller/jobs-2/linux/kernel/tools/objtool/libctype.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/str_error_r.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/librbtree.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/signal.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/special.o CC /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/decode.o LD /syzkaller/jobs-2/linux/kernel/tools/objtool/arch/x86/objtool-in.o LD /syzkaller/jobs-2/linux/kernel/tools/objtool/objtool-in.o LINK /syzkaller/jobs-2/linux/kernel/tools/objtool/objtool make: *** [Makefile:248: __sub-make] Error 2