panic: sandbox escaping file name "../file0", Files are map[../file0:true] goroutine 17 [running]: github.com/google/syzkaller/prog.(*randGen).filename(0xc0007fe140, 0xc000760a00, 0xbf4c40, 0xbe06c0, 0x8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:161 +0x2e3 github.com/google/syzkaller/prog.(*BufferType).generate(0xbf4c40, 0xc0007fe140, 0xc000760a00, 0xc00089c000, 0x60ae19c8f9f6bfee, 0xc0008ad9e8, 0x4f0c53, 0xc000624d80) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:646 +0x4fc github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc0007fe140, 0xc000760a00, 0x8fd620, 0xbf4c40, 0xc000000200, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:581 +0x1b6 github.com/google/syzkaller/prog.(*randGen).generateArg(0xc0007fe140, 0xc000760a00, 0x8fd620, 0xbf4c40, 0xaaaaaaaaaaaaaaaa, 0x38, 0x7437e2, 0x87a299, 0x3) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:530 +0x52 github.com/google/syzkaller/prog.(*PtrType).generate(0xbd1840, 0xc0007fe140, 0xc000760a00, 0x40b7ff, 0xc0007fe560, 0x20, 0x20, 0x8115a0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:729 +0x84 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc0007fe140, 0xc000760a00, 0x8fda80, 0xbd1840, 0xc0008adb00, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:581 +0x1b6 github.com/google/syzkaller/prog.(*randGen).generateArg(0xc0007fe140, 0xc000760a00, 0x8fda80, 0xbd1840, 0x2, 0x2, 0x0, 0x203000, 0xc0008adce8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:530 +0x52 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc0007fe140, 0xc000760a00, 0xbc6800, 0x2, 0x2, 0x38bed061567ae39, 0xc0008addb0, 0x72beae, 0x7f3580, 0xc000624180, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:518 +0x11d github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc0007fe140, 0xc000760a00, 0xbdd2a0, 0x69, 0xc000760a00, 0xc0005e5410) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:462 +0xd1 github.com/google/syzkaller/prog.(*randGen).generateCall(0xc0007fe140, 0xc000760a00, 0xc000760880, 0xc000760a00, 0xc0008ade48, 0x731217) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:454 +0xa4 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc0008aded0, 0x14) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:118 +0xcb github.com/google/syzkaller/prog.(*Prog).Mutate(0xc000760880, 0x8f8680, 0xc000624d80, 0x1e, 0xc0005d5440, 0xc00078c000, 0xa2e, 0xc00) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:32 +0x299 main.(*Proc).loop(0xc0005d54c0) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x446created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:236 +0xfe2 login: