socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={<r1=>0xffffffffffffffff})
getpeername(r1, &(0x7f0000000100)=@pppol2tpv3={0x18, 0x1, {0x0, <r2=>0xffffffffffffffff}}, &(0x7f0000000040)=0x80)
dup3(r0, r2, 0x0)
getsockopt$inet_sctp6_SCTP_RECVNXTINFO(r2, 0x84, 0x21, &(0x7f0000000000), &(0x7f0000000080)=0x4)
panic: unaligned 64-bit atomic operation

goroutine 13 [running]:
runtime/internal/atomic.panicUnaligned()
	/usr/local/go/src/runtime/internal/atomic/unaligned.go:8 +0x24
runtime/internal/atomic.Xadd64(0x25a5bc4, 0x1)
	/usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14
main.(*Proc).executeRaw(0x24920c0, 0x24d2490, 0x2612960, 0x2)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158
main.(*Proc).execute(0x24920c0, 0x24d2490, 0x2612960, 0x7, 0x2)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38
main.(*Proc).loop(0x24920c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:76 +0xe8
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:307 +0x1740