fatal error: fault
D0430 06:47:40.829604  608945 task_signals.go:467] [  12:  29] Notified of signal 23
D0430 06:47:40.830287  608945 task_signals.go:220] [  12:  29] Signal 23: delivering to handler
[signal SIGBUS: bus error code=0x1 addr=0x7f7d5da00000 pc=0x60980d]

goroutine 122 [running]:
runtime.throw({0x6b8c56, 0xc00001c800})
	/usr/local/go/src/runtime/panic.go:1198 +0x71 fp=0xc0028f77b0 sp=0xc0028f7780 pc=0x433fd1
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:732 +0x125 fp=0xc0028f7800 sp=0xc0028f77b0 pc=0x44a005
encoding/binary.littleEndian.Uint32(...)
	/usr/local/go/src/encoding/binary/binary.go:65
github.com/google/syzkaller/pkg/ipc.readUint32(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:453
github.com/google/syzkaller/pkg/ipc.(*Env).parseOutput(0xc00042a460, 0xc00257f0c0, 0xc0001a01e0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:328 +0x6d fp=0xc0028f7a38 sp=0xc0028f7800 pc=0x60980d
D0430 06:47:40.909439  608945 urpc.go:611] urpc: unmarshal success.
D0430 06:47:40.909515  608945 controller.go:590] containerManager.Signal: cid: ci-gvisor-ptrace-3-cover-1, PID: 0, signal: 0, mode: Process
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc000344750, 0x506c92, 0xc00257f0c0)
D0430 06:47:40.909635  608945 urpc.go:568] urpc: successfully marshalled 37 bytes.
D0430 06:47:40.910045  608945 urpc.go:611] urpc: unmarshal success.
D0430 06:47:40.913676  608945 urpc.go:568] urpc: successfully marshalled 84010 bytes.
D0430 06:47:40.917053  608945 urpc.go:611] urpc: unmarshal success.
D0430 06:47:40.917127  608945 controller.go:234] containerManager.Processes, cid: ci-gvisor-ptrace-3-cover-1
D0430 06:47:40.917305  608945 urpc.go:568] urpc: successfully marshalled 441 bytes.
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:292 +0x34c fp=0xc0028f7b18 sp=0xc0028f7a38 pc=0x6093ec
main.(*Proc).executeRaw(0xc001946200, 0x3e, 0x3e, 0x5)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:321 +0x1bc fp=0xc0028f7c38 sp=0xc0028f7b18 pc=0x642bfc
main.(*Proc).execute(0xc001946200, 0xc0026020a0, 0x0, 0xc001946040, 0xc001b00000)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x49 fp=0xc0028f7d78 sp=0xc0028f7c38 pc=0x6423a9
main.(*Proc).executeAndCollide(0xc001946200, 0x6f1411, 0x12, 0xc0028f7e10, 0x1)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:284 +0x27 fp=0xc0028f7dc0 sp=0xc0028f7d78 pc=0x6428a7
main.(*Proc).smashInput(0xc001946200, 0xc0014e0010)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:221 +0x1cb fp=0xc0028f7ea0 sp=0xc0028f7dc0 pc=0x641f4b
main.(*Proc).loop(0xc001946200)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0x125 fp=0xc0028f7fc8 sp=0xc0028f7ea0 pc=0x640d25
main.main·dwrap·1()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:300 +0x26 fp=0xc0028f7fe0 sp=0xc0028f7fc8 pc=0x63db06
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1581 +0x1 fp=0xc0028f7fe8 sp=0xc0028f7fe0 pc=0x464ac1
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:300 +0x157d