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[R4R] hot fix panic is not recovered in prechecker #635

Merged
merged 1 commit into from
Aug 1, 2019
Merged

[R4R] hot fix panic is not recovered in prechecker #635

merged 1 commit into from
Aug 1, 2019

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ackratos
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@ackratos ackratos commented Aug 1, 2019 •
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Description

Fix Panic within ante handler and prechecker is not recovered.

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x28 pc=0xd533f7]

goroutine 416261 [running]:
github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/x/auth.StdTx.GetSigners(0xc017b4a710, 0x1, 0x1, 0xc00ec73e80, 0x1, 0x1, 0xc00cd62f68, 0x8, 0x1, 0x0, ...)
        /root/bnbchain/src/github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/x/auth/stdtx.go:49 +0x127
github.com/binance-chain/node/common/tx.validateBasic(0xc017b4a710, 0x1, 0x1, 0xc00ec73e80, 0x1, 0x1, 0xc00cd62f68, 0x8, 0x1, 0x0, ...)
        /root/bnbchain/src/github.com/binance-chain/node/common/tx/ante.go:208 +0x129
github.com/binance-chain/node/common/tx.NewTxPreChecker.func1(0x14e9100, 0xc00f67f500, 0xc00aaea1c0, 0xb, 0xc00806bad0, 0xc8, 0xc9, 0x14cb660, 0xc00fe42600, 0x0, ...)
        /root/bnbchain/src/github.com/binance-chain/node/common/tx/ante.go:69 +0xde
github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).preCheck(0xc00010c000, 0xc00806bad0, 0xc8, 0xc9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
        /root/bnbchain/src/github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:600 +0x219
github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).PreCheckTx(0xc00010c000, 0xc00806bad0, 0xc8, 0xc9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
        /root/bnbchain/src/github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:612 +0x9d
github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/server/concurrent.(*asyncLocalClient).CheckTxAsync.func1()
        /root/bnbchain/src/github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/server/concurrent/async_local_client.go:235 +0x19b
github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/server/concurrent/pool.(*Pool).worker(0xc00ec6b0b0, 0xc010a6cb90)
        /root/bnbchain/src/github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/server/concurrent/pool/pool.go:72 +0x7d
created by github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/server/concurrent/pool.(*Pool).schedule
        /root/bnbchain/src/github.com/binance-chain/node/vendor/github.com/cosmos/cosmos-sdk/server/concurrent/pool/pool.go:61 +0x13b
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x28 pc=0xd533f7]

Rationale

N/A

Example

N/A

Changes

recover panic with in

Preflight checks

  • build passed (make build)
  • tests passed (make test)
  • integration tests passed (make integration_test)
  • manual transaction test passed (cli invoke)

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@ackratos ackratos self-assigned this Aug 1, 2019
rickyyangz
rickyyangz reviewed Aug 1, 2019
View reviewed changes
common/tx/ante.go
@@ -60,12 +60,19 @@ func InitSigCache(size int) {

// this function is not implemented in AnteHandler in BaseApp.
func NewTxPreChecker() sdk.PreChecker {
return func(ctx sdk.Context, txBytes []byte, tx sdk.Tx) sdk.Result {
return func(ctx sdk.Context, txBytes []byte, tx sdk.Tx) (res sdk.Result) {
stdTx, ok := tx.(auth.StdTx)
if !ok {
return sdk.ErrInternal("tx must be StdTx").Result()
}

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add a testcase?

@ackratos ackratos changed the title [R4R] hot fix panic is not recovered in ante handler and prechecker [R4R] hot fix panic is not recovered in prechecker Aug 1, 2019
@ackratos ackratos force-pushed the ante_panic branch 2 times, most recently from ede2029 to 8bef9ed Compare August 1, 2019 06:24
@ackratos ackratos merged commit 133fb3d into master Aug 1, 2019
@ackratos ackratos mentioned this pull request Aug 1, 2019
Merged
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@unclezoro unclezoro deleted the ante_panic branch May 10, 2022 06:16
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Reviewers

@rickyyangz rickyyangz rickyyangz approved these changes

@darren-liu darren-liu darren-liu approved these changes

@abelliumnt abelliumnt Awaiting requested review from abelliumnt

@yutianwu yutianwu Awaiting requested review from yutianwu

@unclezoro unclezoro Awaiting requested review from unclezoro

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@ackratos @darren-liu @rickyyangz