ioctl$TCGETS2(r0, 0xc0045878, &(0x7f0000000000)) panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x0] goroutine 40 [running]: runtime: unexpected return pc for runtime.sigpanic called from 0x0 stack: frame={sp:0xc44e9c8b88, fp:0xc44e9c8bd8} stack=[0xc44e9c8000,0xc44e9c9000) 000000c44e9c8a88: 000000000042a98a 000000c44e9c8a98 000000c44e9c8a98: 0000000000455ac0 000000c4381f2180 000000c44e9c8aa8: 000000000042a5c1 000000c44e9c8ac8 000000c44e9c8ab8: 000000c44e9c8b58 000000000042a5c1 000000c44e9c8ac8: 0000000000000000 00000000009bf5a8 000000c44e9c8ad8: 000000c42484f2b0 0000001000000010 000000c44e9c8ae8: 00000000007a9ba1 0000000000000000 000000c44e9c8af8: 000000c44e9c8c88 000000c4381f2180 000000c44e9c8b08: 0000000000000000 000000c42484f2a0 000000c44e9c8b18: 000000c42484f280 000000c4381f21a8 000000c44e9c8b28: 000000c4381f21a0 0000000000000000 000000c44e9c8b38: 00000000007fa400 000000c42a553c40 000000c44e9c8b48: 0000000000000000 0000000000000000 000000c44e9c8b58: 000000c44e9c8b78 000000000042949e 000000c44e9c8b68: 0000000000823e20 0000000000d29cd0 000000c44e9c8b78: 000000c44e9c8bc8 00000000004401da 000000c44e9c8b88: <000000c4381f2180 0000000000000001 000000c44e9c8b98: 0000000000000000 0000000000000000 000000c44e9c8ba8: 0000000000000000 000000c4381f2180 000000c44e9c8bb8: 0000000000000000 0000000000000000 000000c44e9c8bc8: 0000000000000000 !0000000000000000 000000c44e9c8bd8: >0000000000000000 0000000000000000 000000c44e9c8be8: 0000000000000000 0000000000000000 000000c44e9c8bf8: 0000000000000000 0000000000000000 000000c44e9c8c08: 0000000000000000 0000000000000000 000000c44e9c8c18: 0000000000000000 0000000000000000 000000c44e9c8c28: 0000000000000000 0000000000000000 000000c44e9c8c38: 0000000000000000 0000000000000000 000000c44e9c8c48: 0000000000000000 0000000000000000 000000c44e9c8c58: 0000000000000000 0000000000000000 000000c44e9c8c68: 0000000000000000 0000000000000000 000000c44e9c8c78: 0000000000000000 0000000000000000 000000c44e9c8c88: 0000000000000000 0000000000000000 000000c44e9c8c98: 0000000000000000 0000000000000000 000000c44e9c8ca8: 0000000000000000 0000000000000000 000000c44e9c8cb8: 0000000000000000 0000000000000000 000000c44e9c8cc8: 0000000000000000 0000000000000000 panic(0x823e20, 0xd29cd0) /syzkaller/go/src/runtime/panic.go:551 +0x3c1 runtime.panicmem() /syzkaller/go/src/runtime/panic.go:63 +0x5e runtime: unexpected return pc for runtime.sigpanic called from 0x0 stack: frame={sp:0xc44e9c8b88, fp:0xc44e9c8bd8} stack=[0xc44e9c8000,0xc44e9c9000) 000000c44e9c8a88: 000000000042a98a 000000c44e9c8a98 000000c44e9c8a98: 0000000000455ac0 000000c4381f2180 000000c44e9c8aa8: 000000000042a5c1 000000c44e9c8ac8 000000c44e9c8ab8: 000000c44e9c8b58 000000000042a5c1 000000c44e9c8ac8: 0000000000000000 00000000009bf5a8 000000c44e9c8ad8: 000000c42484f2b0 0000001000000010 000000c44e9c8ae8: 00000000007a9ba1 0000000000000000 000000c44e9c8af8: 000000c44e9c8c88 000000c4381f2180 000000c44e9c8b08: 0000000000000000 000000c42484f2a0 000000c44e9c8b18: 000000c42484f280 000000c4381f21a8 000000c44e9c8b28: 000000c4381f21a0 0000000000000000 000000c44e9c8b38: 00000000007fa400 000000c42a553c40 000000c44e9c8b48: 0000000000000000 0000000000000000 000000c44e9c8b58: 000000c44e9c8b78 000000000042949e 000000c44e9c8b68: 0000000000823e20 0000000000d29cd0 000000c44e9c8b78: 000000c44e9c8bc8 00000000004401da 000000c44e9c8b88: <000000c4381f2180 0000000000000001 000000c44e9c8b98: 0000000000000000 0000000000000000 000000c44e9c8ba8: 0000000000000000 000000c4381f2180 000000c44e9c8bb8: 0000000000000000 0000000000000000 000000c44e9c8bc8: 0000000000000000 !0000000000000000 000000c44e9c8bd8: >0000000000000000 0000000000000000 000000c44e9c8be8: 0000000000000000 0000000000000000 000000c44e9c8bf8: 0000000000000000 0000000000000000 000000c44e9c8c08: 0000000000000000 0000000000000000 000000c44e9c8c18: 0000000000000000 0000000000000000 000000c44e9c8c28: 0000000000000000 0000000000000000 000000c44e9c8c38: 0000000000000000 0000000000000000 000000c44e9c8c48: 0000000000000000 0000000000000000 000000c44e9c8c58: 0000000000000000 0000000000000000 000000c44e9c8c68: 0000000000000000 0000000000000000 000000c44e9c8c78: 0000000000000000 0000000000000000 000000c44e9c8c88: 0000000000000000 0000000000000000 000000c44e9c8c98: 0000000000000000 0000000000000000 000000c44e9c8ca8: 0000000000000000 0000000000000000 000000c44e9c8cb8: 0000000000000000 0000000000000000 000000c44e9c8cc8: 0000000000000000 0000000000000000 runtime.sigpanic() /syzkaller/go/src/runtime/signal_unix.go:388 +0x17a created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:259 +0x1071