panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x60 pc=0x78a769]

goroutine 24 [running]:
github.com/google/syzkaller/prog.(*PointerArg).Size(0xc000598c30, 0xc000598c30)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:120 +0x29
github.com/google/syzkaller/prog.foreachArgImpl(0x9a91e0, 0xc000598ba0, 0xc000598490, 0xc000598450, 0xf8, 0x0, 0xc0002c9900)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:137 +0x1dc
github.com/google/syzkaller/prog.foreachArgImpl(0x9a91e0, 0xc0005984b0, 0xc000598490, 0xc000598450, 0x20, 0x0, 0xc0002c9900)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:136 +0x1c8
github.com/google/syzkaller/prog.foreachArgImpl(0x9a91e0, 0xc000598480, 0xc000536d08, 0xc000598450, 0x0, 0xc0002c9700, 0xc0002c9900)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:136 +0x1c8
github.com/google/syzkaller/prog.foreachArgImpl(0x9a9220, 0xc000598450, 0xc000536d08, 0x0, 0x0, 0x80059cff00, 0xc0002c9900)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:151 +0x3a6
github.com/google/syzkaller/prog.ForeachArg(0xc000536d00, 0xc0002c9900)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:120 +0x9e
github.com/google/syzkaller/prog.getCompatibleResources(0xc000536b80, 0x8f637a, 0x7, 0xc0023ec080, 0x0, 0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:906 +0xb9
github.com/google/syzkaller/prog.(*randGen).resourceCentric(0xc0023ec080, 0xc00279e5a0, 0xcb8240, 0x1, 0x0, 0x0, 0x0, 0x8f637a)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:854 +0xfe
github.com/google/syzkaller/prog.(*ResourceType).generate(0xcb8240, 0xc0023ec080, 0xc00279e5a0, 0x10, 0x87a520, 0x2000, 0xc001e32d50, 0x10)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:684 +0x282
github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc0023ec080, 0xc00279e5a0, 0x9b02e0, 0xcb8240, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:673 +0x506
github.com/google/syzkaller/prog.(*randGen).generateArg(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:622
github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc0023ec080, 0xc00279e5a0, 0xc9a090, 0x1, 0x1, 0x2, 0xc0002c9d28, 0x4eee93, 0xc0024ce000, 0x7ae9cf95f1cbe5f7, ...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:610 +0x107


OpenBSD/amd64 (ci-openbsd-main-2.c.syzkaller.internal) (tty00)

github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc0023ec080, 0xc00279e5a0, 0xd494c0, 0x9, 0xc00279e5a0, 0xc00292a280)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:565 +0xd0
github.com/google/syzkaller/prog.(*randGen).generateCall(0xc0023ec080, 0xc00279e5a0, 0xc0021a0080, 0x0, 0xc0021a0080, 0xc0021a0240, 0xc00279e5a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:554 +0xb2
github.com/google/syzkaller/prog.(*mutator).insertCall(0xc0002c9ec0, 0x14)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:141 +0xf2
github.com/google/syzkaller/prog.(*Prog).Mutate(0xc0021a0080, 0x9a3a60, 0xc002272660, 0x14, 0xc002248300, 0xc0020d8000, 0x1fba, 0x2400)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:45 +0x2ea
main.(*Proc).loop(0xc002248380)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:95 +0x434
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:259 +0x114c
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