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dynacache: Fix potential deadlocks on panics in GetOrCreate

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Bjørn Erik Pedersen 2024-10-26 15:36:02 +02:00
parent ec3890affe
commit 21e9cb7b79
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3 changed files with 28 additions and 1 deletions
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25
cache/dynacache/dynacache_test.go vendored
View file

@ -14,8 +14,10 @@
package dynacache
import (
"fmt"
"path/filepath"
"testing"
"time"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/common/loggers"
@ -165,6 +167,29 @@ func TestClear(t *testing.T) {
cache.adjustCurrentMaxSize()
}
func TestPanicInCreate(t *testing.T) {
t.Parallel()
c := qt.New(t)
cache := newTestCache(t)
p1 := GetOrCreatePartition[string, testItem](cache, "/aaaa/bbbb", OptionsPartition{Weight: 30, ClearWhen: ClearOnRebuild})
for i := 0; i < 3; i++ {
for j := 0; j < 3; j++ {
_, err := p1.GetOrCreate(fmt.Sprintf("panic1-%d", i), func(string) (testItem, error) {
panic("failed")
})
c.Assert(err, qt.Not(qt.IsNil))
_, err = p1.GetOrCreateWitTimeout(fmt.Sprintf("panic2-%d", i), 10*time.Second, func(string) (testItem, error) {
panic("failed")
})
c.Assert(err, qt.Not(qt.IsNil))
}
}
}
func TestAdjustCurrentMaxSize(t *testing.T) {
t.Parallel()
c := qt.New(t)

2
go.mod
View file

@ -16,7 +16,7 @@ require (
github.com/bep/gowebp v0.3.0
github.com/bep/helpers v0.5.0
github.com/bep/imagemeta v0.8.1
github.com/bep/lazycache v0.4.0
github.com/bep/lazycache v0.6.0
github.com/bep/logg v0.4.0
github.com/bep/mclib v1.20400.20402
github.com/bep/overlayfs v0.9.2

2
go.sum
View file

@ -143,6 +143,8 @@ github.com/bep/imagemeta v0.8.1 h1:tjZLPRftjxU7PTI87o5e5WKOFQ4S9S0engiP1OTpJTI=
github.com/bep/imagemeta v0.8.1/go.mod h1:5piPAq5Qomh07m/dPPCLN3mDJyFusvUG7VwdRD/vX0s=
github.com/bep/lazycache v0.4.0 h1:X8yVyWNVupPd4e1jV7efi3zb7ZV/qcjKQgIQ5aPbkYI=
github.com/bep/lazycache v0.4.0/go.mod h1:NmRm7Dexh3pmR1EignYR8PjO2cWybFQ68+QgY3VMCSc=
github.com/bep/lazycache v0.6.0 h1:0vCgFo7TBtMQpSx64jnH1sagmw0ZougIFRpsqPHTa5U=
github.com/bep/lazycache v0.6.0/go.mod h1:NmRm7Dexh3pmR1EignYR8PjO2cWybFQ68+QgY3VMCSc=
github.com/bep/logg v0.4.0 h1:luAo5mO4ZkhA5M1iDVDqDqnBBnlHjmtZF6VAyTp+nCQ=
github.com/bep/logg v0.4.0/go.mod h1:Ccp9yP3wbR1mm++Kpxet91hAZBEQgmWgFgnXX3GkIV0=
github.com/bep/mclib v1.20400.20402 h1:olpCE2WSPpOAbFE1R4hnftSEmQ34+xzy2HRzd0m69rA=