[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.213' (ECDSA) to the list of known hosts.
2021/11/01 10:09:19 fuzzer started
2021/11/01 10:09:19 connecting to host at 10.128.0.169:33837
2021/11/01 10:09:19 checking machine...
2021/11/01 10:09:19 checking revisions...
fatal error: sigaction failed

runtime stack:
runtime.throw(0x8011ce, 0x10)
	/usr/lib/go-1.15/src/runtime/panic.go:1116 +0x72
runtime.sysSigaction.func1()
	/usr/lib/go-1.15/src/runtime/os_linux.go:471 +0x36
runtime.systemstack(0x46a614)
	/usr/lib/go-1.15/src/runtime/asm_amd64.s:370 +0x66
runtime.mstart()
	/usr/lib/go-1.15/src/runtime/proc.go:1116

goroutine 1 [running]:
runtime.systemstack_switch()
	/usr/lib/go-1.15/src/runtime/asm_amd64.s:330 fp=0xc00006f088 sp=0xc00006f080 pc=0x46a740
runtime.sysSigaction(0x7f4d00000001, 0xc00006f138, 0x0)
	/usr/lib/go-1.15/src/runtime/os_linux.go:470 +0x6c fp=0xc00006f0c0 sp=0xc00006f088 pc=0x43346c
runtime.sigaction(0x100000000000001, 0xc00006f138, 0x0)
	/usr/lib/go-1.15/src/runtime/cgo_sigaction.go:32 +0x45 fp=0xc00006f120 sp=0xc00006f0c0 pc=0x404865
runtime.setsig(0x1, 0x0)
	/usr/lib/go-1.15/src/runtime/os_linux.go:420 +0x98 fp=0xc00006f168 sp=0xc00006f120 pc=0x433338
runtime.clearSignalHandlers()
	/usr/lib/go-1.15/src/runtime/signal_unix.go:259 +0x3f fp=0xc00006f190 sp=0xc00006f168 pc=0x44b3df
syscall.runtime_AfterForkInChild()
	/usr/lib/go-1.15/src/runtime/proc.go:3483 +0x1a fp=0xc00006f1c8 sp=0xc00006f190 pc=0x4677da
syscall.forkAndExecInChild1(0xc000015340, 0xc0004a9ce0, 0x3, 0x3, 0xc00004ab40, 0xc, 0xc, 0x0, 0x0, 0xc00006f5e8, ...)
	/usr/lib/go-1.15/src/syscall/exec_linux.go:236 +0x318 fp=0xc00006f370 sp=0xc00006f1c8 pc=0x4a8898
syscall.forkAndExecInChild(0xc000015340, 0xc0004a9ce0, 0x3, 0x3, 0xc00004ab40, 0xc, 0xc, 0x0, 0x0, 0xc00006f5e8, ...)
	/usr/lib/go-1.15/src/syscall/exec_linux.go:83 +0xcf fp=0xc00006f448 sp=0xc00006f370 pc=0x4a83af
syscall.forkExec(0x7ffcd91c2e5d, 0xe, 0xc0004a9be0, 0x2, 0x2, 0xc00006f5e8, 0xb, 0xee093a0300000100, 0xc0002e41a0)
	/usr/lib/go-1.15/src/syscall/exec_unix.go:211 +0x398 fp=0xc00006f558 sp=0xc00006f448 pc=0x4aafd8
syscall.StartProcess(...)
	/usr/lib/go-1.15/src/syscall/exec_unix.go:263
os.startProcess(0x7ffcd91c2e5d, 0xe, 0xc0004a9be0, 0x2, 0x2, 0xc00006f780, 0xc0000a0210, 0xb, 0xb)
	/usr/lib/go-1.15/src/os/exec_posix.go:53 +0x29b fp=0xc00006f640 sp=0xc00006f558 pc=0x4cad3b
os.StartProcess(0x7ffcd91c2e5d, 0xe, 0xc0004a9be0, 0x2, 0x2, 0xc00006f780, 0xb, 0xc00006f7b8, 0x419a85)
	/usr/lib/go-1.15/src/os/exec.go:102 +0x7c fp=0xc00006f698 sp=0xc00006f640 pc=0x4ca99c
os/exec.(*Cmd).Start(0xc000144b00, 0xc0000558f0, 0x1b88440)
	/usr/lib/go-1.15/src/os/exec/exec.go:422 +0x528 fp=0xc00006f7d8 sp=0xc00006f698 pc=0x4fd528
github.com/google/syzkaller/pkg/osutil.Run(0xdf8475800, 0xc000144b00, 0xc0000558c0, 0x0, 0x0, 0xc000144b00, 0x1)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil.go:43 +0xa5 fp=0xc00006f8f8 sp=0xc00006f7d8 pc=0x5048a5
main.checkRevisions(0xc00006ff00, 0x945ba8, 0xc000082240)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/testing.go:218 +0x1a6 fp=0xc00006f9a8 sp=0xc00006f8f8 pc=0x73f2e6
main.checkMachine(0xc00006ff00, 0x0, 0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/testing.go:124 +0xf6 fp=0xc00006fae0 sp=0xc00006f9a8 pc=0x73e036
main.testImage(0x7ffcd91c2e8c, 0x12, 0xc00006ff00)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/testing.go:41 +0x165 fp=0xc00006fb68 sp=0xc00006fae0 pc=0x73d6e5
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:178 +0x1c14 fp=0xc00006ff88 sp=0xc00006fb68 pc=0x7378d4
runtime.main()
	/usr/lib/go-1.15/src/runtime/proc.go:204 +0x209 fp=0xc00006ffe0 sp=0xc00006ff88 pc=0x438d09
runtime.goexit()
	/usr/lib/go-1.15/src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00006ffe8 sp=0xc00006ffe0 pc=0x46c381

goroutine 22 [chan receive]:
github.com/google/syzkaller/pkg/osutil.HandleInterrupts.func1(0xc0000820c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:79 +0xb6
created by github.com/google/syzkaller/pkg/osutil.HandleInterrupts
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/osutil/osutil_unix.go:76 +0x3f

goroutine 23 [chan receive]:
main.main.func1(0xc0000820c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:164 +0x34
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:162 +0x573

goroutine 25 [select]:
main.checkMachineHeartbeats(0xc000082240)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/testing.go:108 +0x12f
created by main.checkMachine
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/testing.go:123 +0xe5

goroutine 7 [syscall]:
os/signal.signal_recv(0xc99d80)
	/usr/lib/go-1.15/src/runtime/sigqueue.go:147 +0x9d
os/signal.loop()
	/usr/lib/go-1.15/src/os/signal/signal_unix.go:23 +0x25
created by os/signal.Notify.func1.1
	/usr/lib/go-1.15/src/os/signal/signal.go:150 +0x45
fatal: morestack on g0
syzkaller login: