concurrent map read and map write in validateAuth

[rekyyang]

It seems that there could have "concurrent map read and map write" while execute pool.all.auths[from]? pool.all.Remove & pool.all.Add has lock, but validateAuth has no lock for pool.all

go-ethereum/core/txpool/legacypool/legacypool.go

Line 621 in b0b2b76

if pool.currentState.GetCodeHash(from) == types.EmptyCodeHash && len(pool.all.auths[from]) == 0 {

[rekyyang]

https://github.com/ethereum/go-ethereum/pull/31475/files