panic: sandbox escaping file name "../file0" goroutine 17 [running]: github.com/google/syzkaller/prog.(*randGen).filename(0xc000806940, 0xc0008b1480, 0xbf5000, 0xc0000ece00, 0xc0002a9a98) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:161 +0x2ac github.com/google/syzkaller/prog.(*BufferType).generate(0xbf5000, 0xc000806940, 0xc0008b1480, 0xc00007aa00, 0x5f7979abaea08b3f, 0xc0007379e8, 0x4f0c53, 0xc000547ec0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:646 +0x4fc github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc000806940, 0xc0008b1480, 0x8fd600, 0xbf5000, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:581 +0x1b6 github.com/google/syzkaller/prog.(*randGen).generateArg(0xc000806940, 0xc0008b1480, 0x8fd600, 0xbf5000, 0xaaaaaaaaaaaaaaaa, 0x38, 0x7437b2, 0x87a299, 0x3) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:530 +0x52 github.com/google/syzkaller/prog.(*PtrType).generate(0xbd1d80, 0xc000806940, 0xc0008b1480, 0x40b7ff, 0xc0008069e0, 0x20, 0x20, 0x8115a0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:729 +0x84 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc000806940, 0xc0008b1480, 0x8fda60, 0xbd1d80, 0xc000737b00, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:581 +0x1b6 github.com/google/syzkaller/prog.(*randGen).generateArg(0xc000806940, 0xc0008b1480, 0x8fda60, 0xbd1d80, 0x2, 0x2, 0x0, 0x203000, 0xc000737ce8) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:530 +0x52 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc000806940, 0xc0008b1480, 0xbc6860, 0x2, 0x2, 0x484ecd1f97ee45bc, 0xc000737db0, 0x72beae, 0x7f3580, 0xc00054c8a0, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:518 +0x11d github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc000806940, 0xc0008b1480, 0xbdd5a0, 0x71, 0xc0008b1480, 0xc00032ef00) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:462 +0xd1 github.com/google/syzkaller/prog.(*randGen).generateCall(0xc000806940, 0xc0008b1480, 0xc0008b1400, 0xc0008b1480, 0xc000737e48, 0x7311e7) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:454 +0xa4 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc000737ed0, 0x14) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:118 +0xcb github.com/google/syzkaller/prog.(*Prog).Mutate(0xc0008b1400, 0x8f8660, 0xc000547ec0, 0x1e, 0xc0006c13c0, 0xc000702000, 0x962, 0xc00) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:32 +0x299 main.(*Proc).loop(0xc00063c540) /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 ۤ SFDB"ܣeU ÞF{lߍ} v(Ǭ'C+؎cg(4z.;O3š=KމZedn4Ûۤ SFDB"ܣeU ÞF{lߍ} v(Ǭ'C+؎cg(4z.;O3š=KމZedn4Û