runtime: newstack sp=0xc001171e50 stack=[0xc001172000, 0xc001174000] morebuf={pc:0x46d360 sp:0xc001171e60 lr:0x0} sched={pc:0x450e6f sp:0xc001171e58 lr:0x0 ctxt:0x0} runtime: gp=0xc000007520, goid=10, gp->status=0x2 runtime: split stack overflow: 0xc001171e50 < 0xc001172000 fatal error: runtime: split stack overflow /usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000053680 sp=0xc000053658 pc=0x4db0a7 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:89 internal/poll.(*FD).Read(0xc0011445a0, {0xc001740000, 0x20000, 0x20000}) /usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000053718 sp=0xc000053680 pc=0x4dc39a os.(*File).read(...) /usr/local/go/src/os/file_posix.go:29 os.(*File).Read(0xc001148060, {0xc001740000?, 0x0?, 0x0?}) /usr/local/go/src/os/file.go:118 +0x52 fp=0xc000053758 sp=0xc000053718 pc=0x4e7492 github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0000f82a0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:649 +0x89 fp=0xc0000537c8 sp=0xc000053758 pc=0x984d69 github.com/google/syzkaller/pkg/ipc.makeCommand.func7() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:664 +0x27 fp=0xc0000537e0 sp=0xc0000537c8 pc=0x984ca7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 8 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:643 +0xa25 goroutine 34 [syscall]: syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc001655de0 sp=0xc001655d58 pc=0x4c2750 os.(*Process).blockUntilWaitable(0xc0000bec30) /usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc001655eb8 sp=0xc001655de0 pc=0x4ed956 os.(*Process).wait(0xc0000bec30) /usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc001655f18 sp=0xc001655eb8 pc=0x4e6d05 os.(*Process).Wait(...) /usr/local/go/src/os/exec.go:134 os/exec.(*Cmd).Wait(0xc00117a160) /usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc001655f80 sp=0xc001655f18 pc=0x52ae05 github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0000f82a0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:672 +0x28 fp=0xc001655fc8 sp=0xc001655f80 pc=0x984c08 github.com/google/syzkaller/pkg/ipc.makeCommand.func8() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:677 +0x27 fp=0xc001655fe0 sp=0xc001655fc8 pc=0x984ba7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc001655fe8 sp=0xc001655fe0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 8 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:671 +0xc34 goroutine 68 [select]: runtime.gopark(0xc0016567b0?, 0x2?, 0xc0?, 0xf8?, 0xc00165678c?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc001656638 sp=0xc001656618 pc=0x43ce2e runtime.selectgo(0xc0016567b0, 0xc001656788, 0xc0015d6de8?, 0x0, 0x4?, 0x1) /usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc001656758 sp=0xc001656638 pc=0x44d145 github.com/google/syzkaller/pkg/ipc.(*command).exec.func1() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:791 +0x77 fp=0xc0016567e0 sp=0xc001656758 pc=0x9862d7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0016567e8 sp=0xc0016567e0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 8 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:789 +0x23f goroutine 36 [syscall]: syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc001656de0 sp=0xc001656d58 pc=0x4c2750 os.(*Process).blockUntilWaitable(0xc0000bec60) /usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc001656eb8 sp=0xc001656de0 pc=0x4ed956 os.(*Process).wait(0xc0000bec60) /usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc001656f18 sp=0xc001656eb8 pc=0x4e6d05 os.(*Process).Wait(...) /usr/local/go/src/os/exec.go:134 os/exec.(*Cmd).Wait(0xc00007f600) /usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc001656f80 sp=0xc001656f18 pc=0x52ae05 github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0004b9dc0) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:672 +0x28 fp=0xc001656fc8 sp=0xc001656f80 pc=0x984c08 github.com/google/syzkaller/pkg/ipc.makeCommand.func8() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:677 +0x27 fp=0xc001656fe0 sp=0xc001656fc8 pc=0x984ba7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc001656fe8 sp=0xc001656fe0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 9 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:671 +0xc34 goroutine 58 [select]: runtime.gopark(0xc0016577b0?, 0x2?, 0xe0?, 0x59?, 0xc00165778c?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc001657638 sp=0xc001657618 pc=0x43ce2e runtime.selectgo(0xc0016577b0, 0xc001657788, 0xc0015d6dec?, 0x0, 0x4?, 0x1) /usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc001657758 sp=0xc001657638 pc=0x44d145 github.com/google/syzkaller/pkg/ipc.(*command).exec.func1() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:791 +0x77 fp=0xc0016577e0 sp=0xc001657758 pc=0x9862d7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0016577e8 sp=0xc0016577e0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 9 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:789 +0x23f goroutine 22 [IO wait]: runtime.gopark(0x0?, 0xb?, 0x0?, 0x0?, 0x21?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000052e00 sp=0xc000052de0 pc=0x43ce2e runtime.netpollblock(0x4c06f8?, 0x407de6?, 0x0?) /usr/local/go/src/runtime/netpoll.go:564 +0xf7 fp=0xc000052e38 sp=0xc000052e00 pc=0x4358b7 internal/poll.runtime_pollWait(0x7ff566e47fd0, 0x72) /usr/local/go/src/runtime/netpoll.go:343 +0x85 fp=0xc000052e58 sp=0xc000052e38 pc=0x467b05 internal/poll.(*pollDesc).wait(0xc0011448a0?, 0xc001780000?, 0x1) /usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x27 fp=0xc000052e80 sp=0xc000052e58 pc=0x4db0a7 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:89 internal/poll.(*FD).Read(0xc0011448a0, {0xc001780000, 0x20000, 0x20000}) /usr/local/go/src/internal/poll/fd_unix.go:164 +0x27a fp=0xc000052f18 sp=0xc000052e80 pc=0x4dc39a os.(*File).read(...) /usr/local/go/src/os/file_posix.go:29 os.(*File).Read(0xc001148090, {0xc001780000?, 0x0?, 0x0?}) /usr/local/go/src/os/file.go:118 +0x52 fp=0xc000052f58 sp=0xc000052f18 pc=0x4e7492 github.com/google/syzkaller/pkg/ipc.makeCommand.func2(0xc0000f8850) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:649 +0x89 fp=0xc000052fc8 sp=0xc000052f58 pc=0x984d69 github.com/google/syzkaller/pkg/ipc.makeCommand.func7() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:664 +0x27 fp=0xc000052fe0 sp=0xc000052fc8 pc=0x984ca7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000052fe8 sp=0xc000052fe0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 11 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:643 +0xa25 goroutine 23 [syscall]: syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc000053de0 sp=0xc000053d58 pc=0x4c2750 os.(*Process).blockUntilWaitable(0xc00003c420) /usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc000053eb8 sp=0xc000053de0 pc=0x4ed956 os.(*Process).wait(0xc00003c420) /usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc000053f18 sp=0xc000053eb8 pc=0x4e6d05 os.(*Process).Wait(...) /usr/local/go/src/os/exec.go:134 os/exec.(*Cmd).Wait(0xc00007f4a0) /usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc000053f80 sp=0xc000053f18 pc=0x52ae05 github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0004b9d50) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:672 +0x28 fp=0xc000053fc8 sp=0xc000053f80 pc=0x984c08 github.com/google/syzkaller/pkg/ipc.makeCommand.func8() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:677 +0x27 fp=0xc000053fe0 sp=0xc000053fc8 pc=0x984ba7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000053fe8 sp=0xc000053fe0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 12 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:671 +0xc34 goroutine 57 [select]: runtime.gopark(0xc000051fb0?, 0x2?, 0x20?, 0x59?, 0xc000051f8c?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000051e38 sp=0xc000051e18 pc=0x43ce2e runtime.selectgo(0xc000051fb0, 0xc000051f88, 0xc001146158?, 0x0, 0x4?, 0x1) /usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000051f58 sp=0xc000051e38 pc=0x44d145 github.com/google/syzkaller/pkg/ipc.(*command).exec.func1() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:791 +0x77 fp=0xc000051fe0 sp=0xc000051f58 pc=0x9862d7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000051fe8 sp=0xc000051fe0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 12 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:789 +0x23f goroutine 25 [syscall]: syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc001650de0 sp=0xc001650d58 pc=0x4c2750 os.(*Process).blockUntilWaitable(0xc00003c450) /usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc001650eb8 sp=0xc001650de0 pc=0x4ed956 os.(*Process).wait(0xc00003c450) /usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc001650f18 sp=0xc001650eb8 pc=0x4e6d05 os.(*Process).Wait(...) /usr/local/go/src/os/exec.go:134 os/exec.(*Cmd).Wait(0xc00117a000) /usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc001650f80 sp=0xc001650f18 pc=0x52ae05 github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0000f8230) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:672 +0x28 fp=0xc001650fc8 sp=0xc001650f80 pc=0x984c08 github.com/google/syzkaller/pkg/ipc.makeCommand.func8() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:677 +0x27 fp=0xc001650fe0 sp=0xc001650fc8 pc=0x984ba7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc001650fe8 sp=0xc001650fe0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 10 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:671 +0xc34 goroutine 38 [syscall]: syscall.Syscall6(0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /usr/local/go/src/syscall/syscall_linux.go:91 +0x30 fp=0xc001657de0 sp=0xc001657d58 pc=0x4c2750 os.(*Process).blockUntilWaitable(0xc0000bec90) /usr/local/go/src/os/wait_waitid.go:32 +0x76 fp=0xc001657eb8 sp=0xc001657de0 pc=0x4ed956 os.(*Process).wait(0xc0000bec90) /usr/local/go/src/os/exec_unix.go:22 +0x25 fp=0xc001657f18 sp=0xc001657eb8 pc=0x4e6d05 os.(*Process).Wait(...) /usr/local/go/src/os/exec.go:134 os/exec.(*Cmd).Wait(0xc00117a2c0) /usr/local/go/src/os/exec/exec.go:890 +0x45 fp=0xc001657f80 sp=0xc001657f18 pc=0x52ae05 github.com/google/syzkaller/pkg/ipc.makeCommand.func3(0xc0000f8850) /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:672 +0x28 fp=0xc001657fc8 sp=0xc001657f80 pc=0x984c08 github.com/google/syzkaller/pkg/ipc.makeCommand.func8() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:677 +0x27 fp=0xc001657fe0 sp=0xc001657fc8 pc=0x984ba7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc001657fe8 sp=0xc001657fe0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.makeCommand in goroutine 11 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:671 +0xc34 goroutine 67 [select]: runtime.gopark(0xc0000517b0?, 0x2?, 0x0?, 0xf8?, 0xc00005178c?) /usr/local/go/src/runtime/proc.go:398 +0xce fp=0xc000051638 sp=0xc000051618 pc=0x43ce2e runtime.selectgo(0xc0000517b0, 0xc000051788, 0xc0015d6df0?, 0x0, 0x4?, 0x1) /usr/local/go/src/runtime/select.go:327 +0x725 fp=0xc000051758 sp=0xc000051638 pc=0x44d145 github.com/google/syzkaller/pkg/ipc.(*command).exec.func1() /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:791 +0x77 fp=0xc0000517e0 sp=0xc000051758 pc=0x9862d7 runtime.goexit() /usr/local/go/src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0000517e8 sp=0xc0000517e0 pc=0x46d341 created by github.com/google/syzkaller/pkg/ipc.(*command).exec in goroutine 11 /syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:789 +0x23f rax 0xfffffffffffffffc rbx 0x500 rcx 0x46eb97 rdx 0x0 rdi 0xc00006bf18 rsi 0x0 rbp 0xc00006bf28 rsp 0xc00006bf18 r8 0x34 r9 0x7ff5671560b0 r10 0x7ff567156080 r11 0x206 r12 0xc00006bf18 r13 0xc00114e800 r14 0xc0000064e0 r15 0xb rip 0x46eb97 rflags 0x206 cs 0x33 fs 0x0 gs 0x0