bug: crash on node shutdown with the unreleased v1.3.1 #1942
Description
System information
Geth version: v1.3.1
OS & Version: Windows/Linux/OSX
Commit hash : 4493ab8
Expected behaviour
node can shutdown without crash
Actual behaviour
sometimes it will crash, it is not that high probability, may not easy to reproduce.
Steps to reproduce the behaviour
kill pidof bsc to shutdown the node.
Backtrace
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x77cf48]
goroutine 3871672 [running]:
github.com/ethereum/go-ethereum/event.JoinSubscriptions.func1.2({0x0?, 0x0?})
github.com/ethereum/go-ethereum/event/multisub.go:34 +0x48
created by github.com/ethereum/go-ethereum/event.JoinSubscriptions.func1
github.com/ethereum/go-ethereum/event/multisub.go:32 +0xc7
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