Skip to content

x/net/spdy: fatal error: runtime: out of memory #10542

Description

@dvyukov

The following program crashes:

package main

import (
    "bytes"
    "encoding/hex"
    "golang.org/x/net/spdy"
    "io/ioutil"
)

func main() {
    data, _ := hex.DecodeString("80030008000000140000002a78f9e3c6a7c202230600000000ffff")
    framer, err := spdy.NewFramer(ioutil.Discard, bytes.NewReader(data))
    if err != nil {
        panic(err)
    }
    for score := 0; ; score++ {
        f, err := framer.ReadFrame()
        if err != nil {
            if f != nil {
                panic(err)
            }
            return
        }
        err = framer.WriteFrame(f)
        if err != nil {
            panic(err)
        }
    }
}
fatal error: runtime: out of memory

goroutine 1 [running]:
runtime.systemstack_switch()
    src/runtime/asm_amd64.s:216 fp=0xc20804f928 sp=0xc20804f920
runtime.mallocgc(0x1500000000, 0x6b4880, 0xc200000000, 0x40afc5)
    src/runtime/malloc.go:632 +0x8d9 fp=0xc20804f9f8 sp=0xc20804f928
runtime.newarray(0x6b4880, 0x10000000, 0xc20800ad10)
    src/runtime/malloc.go:742 +0xce fp=0xc20804fa38 sp=0xc20804f9f8
runtime.makemap(0x6de920, 0x3d302e3d, 0x0, 0x0, 0x627b40)
    src/runtime/hashmap.go:246 +0x34e fp=0xc20804fa98 sp=0xc20804fa38
golang.org/x/net/spdy.parseHeaderValueBlock(0x7faa1458c6f0, 0xc2080124b0, 0xc20000002a, 0x7faa1458c6f0, 0x0, 0x0)
    src/golang.org/x/net/spdy/read.go:183 +0x173 fp=0xc20804fc38 sp=0xc20804fa98
golang.org/x/net/spdy.(*Framer).readHeadersFrame(0xc2080201e0, 0x80003, 0xc200000014, 0xc20800e8c0, 0x0, 0x0)
    src/golang.org/x/net/spdy/read.go:307 +0x24d fp=0xc20804fd58 sp=0xc20804fc38
golang.org/x/net/spdy.(*HeadersFrame).read(0xc20800e8c0, 0x7f0000080003, 0xc200000014, 0xc2080201e0, 0x0, 0x0)
    src/golang.org/x/net/spdy/read.go:92 +0x65 fp=0xc20804fd90 sp=0xc20804fd58
golang.org/x/net/spdy.(*Framer).parseControlFrame(0xc2080201e0, 0xc200080003, 0x0, 0x0, 0x0, 0x0)
    src/golang.org/x/net/spdy/read.go:171 +0x238 fp=0xc20804fe38 sp=0xc20804fd90
golang.org/x/net/spdy.(*Framer).ReadFrame(0xc2080201e0, 0x0, 0x0, 0x0, 0x0)
    src/golang.org/x/net/spdy/read.go:154 +0x18a fp=0xc20804fec8 sp=0xc20804fe38
main.main()
    /tmp/spdy.go:17 +0x19d fp=0xc20804ff90 sp=0xc20804fec8

on commit 6f62f426de90c0ed6a55207b51476115fcb17237

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Type

    No type

    Projects

    No projects

      Milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions