export BUILDOS=linux
export NATIVEBUILDOS=linux
export HOSTOS=linux
export HOSTARCH=amd64
export TARGETOS=linux
export TARGETARCH=amd64
export TARGETVMARCH=amd64
export CC=gcc
export ADDCFLAGS=-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static
export NCORES=64
export EXE=
export NATIVEBUILDOS=linux

GOOS=linux GOARCH=amd64 go install ./syz-fuzzer
make fuzzer execprog stress executor
make[1]: Entering directory '/syzkaller/gopath/src/github.com/google/syzkaller'
export BUILDOS=linux
export NATIVEBUILDOS=linux
export HOSTOS=linux
export HOSTARCH=amd64
export TARGETOS=linux
export TARGETARCH=amd64
export TARGETVMARCH=amd64
export CC=gcc
export ADDCFLAGS=-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static
export NCORES=64
export EXE=
export NATIVEBUILDOS=linux

GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/sys.GitRevision=6a9fb250a6413714262c431ca1bf2c32ad94c804 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Tue May 7 09:45:53 2019 +0200'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/sys.GitRevision=6a9fb250a6413714262c431ca1bf2c32ad94c804 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Tue May 7 09:45:53 2019 +0200'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/sys.GitRevision=6a9fb250a6413714262c431ca1bf2c32ad94c804 -X 'github.com/google/syzkaller/sys.gitRevisionDate=Tue May 7 09:45:53 2019 +0200'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
	-O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=8192 -m64 -static  -DGOOS_linux=1 -DGOARCH_amd64=1 \
	-DHOSTGOOS_linux=1 -DGIT_REVISION=\"6a9fb250a6413714262c431ca1bf2c32ad94c804\"
# github.com/google/syzkaller/tools/syz-execprog
runtime: failed to create new OS thread (have 20 already; errno=11)
runtime: may need to increase max user processes (ulimit -u)
fatal error: newosproc

runtime stack:
runtime.throw(0x5f8761, 0x9)
	/usr/local/go/src/runtime/panic.go:616 +0x81
runtime.newosproc(0xc4219a7000, 0xc421cbc000)
	/usr/local/go/src/runtime/os_linux.go:164 +0x1af
runtime.newm1(0xc4219a7000)
	/usr/local/go/src/runtime/proc.go:1879 +0x113
runtime.newm(0x607da0, 0x0)
	/usr/local/go/src/runtime/proc.go:1858 +0x9b
runtime.startTheWorldWithSema(0xc4200bc501, 0x455723)
	/usr/local/go/src/runtime/proc.go:1155 +0x1d0
runtime.gcMarkTermination.func3()
	/usr/local/go/src/runtime/mgc.go:1647 +0x26
runtime.systemstack(0xc400000000)
	/usr/local/go/src/runtime/asm_amd64.s:409 +0x79
runtime.mstart()
	/usr/local/go/src/runtime/proc.go:1175

goroutine 17 [running]:
runtime.systemstack_switch()
	/usr/local/go/src/runtime/asm_amd64.s:363 fp=0xc4200bc550 sp=0xc4200bc548 pc=0x451b50
runtime.gcMarkTermination(0x3fee5ebad5fa92f9)
	/usr/local/go/src/runtime/mgc.go:1647 +0x407 fp=0xc4200bc720 sp=0xc4200bc550 pc=0x4177b7
runtime.gcMarkDone()
	/usr/local/go/src/runtime/mgc.go:1513 +0x22c fp=0xc4200bc748 sp=0xc4200bc720 pc=0x41734c
runtime.gcBgMarkWorker(0xc420020500)
	/usr/local/go/src/runtime/mgc.go:1912 +0x2e7 fp=0xc4200bc7d8 sp=0xc4200bc748 pc=0x4182c7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc4200bc7e0 sp=0xc4200bc7d8 pc=0x454541
created by runtime.gcBgMarkStartWorkers
	/usr/local/go/src/runtime/mgc.go:1723 +0x79

goroutine 1 [runnable]:
cmd/link/internal/ld.Symaddr(0xc4205f7740, 0xc42a11fe48)
	/usr/local/go/src/cmd/link/internal/ld/lib.go:2142 +0x79
cmd/link/internal/ld.relocsym(0xc4205b8000, 0xc42076d428)
	/usr/local/go/src/cmd/link/internal/ld/data.go:437 +0x1998
cmd/link/internal/ld.(*Link).reloc(0xc4205b8000)
	/usr/local/go/src/cmd/link/internal/ld/data.go:495 +0x69
cmd/link/internal/ld.Main(0x6ed3a0, 0x10, 0x20, 0x1, 0x7, 0x10, 0x5ff52e, 0x1b, 0x5fc864, 0x14, ...)
	/usr/local/go/src/cmd/link/internal/ld/main.go:226 +0xbb5
main.main()
	/usr/local/go/src/cmd/link/main.go:62 +0x277
Makefile:142: recipe for target 'execprog' failed
make[1]: *** [execprog] Error 2
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory '/syzkaller/gopath/src/github.com/google/syzkaller'
Makefile:110: recipe for target 'target' failed
make: *** [target] Error 2