socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r0, r1, 0x0)
recvmsg$unix(r2, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[@cred={{0x18, 0x1, 0x2, {<r3=>0x0}}}], 0x18}, 0x0)
syz_open_procfs$userns(r3, &(0x7f0000000000))
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(0x29ec544, 0x1)
	/usr/local/go/src/runtime/internal/atomic/atomic_arm.s:256 +0x14
main.(*Proc).executeRaw(0x288e7e0, 0x28120d8, 0x288eb00, 0x2)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:320 +0x158
main.(*Proc).execute(0x288e7e0, 0x28120d8, 0x288eb00, 0x7, 0x2)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:255 +0x38
main.(*Proc).loop(0x288e7e0)
	/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