73 lines
2.3 KiB
Diff
73 lines
2.3 KiB
Diff
Avoid a crash:
|
|
|
|
https://github.com/syncthing/syncthing/issues/5002
|
|
|
|
Patch copied from upstream source repository:
|
|
|
|
https://github.com/syncthing/syncthing/commit/35a75a95dc6383b2d73ab645f1407f7907ec1a2c
|
|
|
|
From 35a75a95dc6383b2d73ab645f1407f7907ec1a2c Mon Sep 17 00:00:00 2001
|
|
From: Jakob Borg <jakob@kastelo.net>
|
|
Date: Wed, 13 Jun 2018 19:07:52 +0200
|
|
Subject: [PATCH] lib/model: Don't panic when rechecking file (fixes #5002)
|
|
(#5003)
|
|
|
|
---
|
|
lib/model/model.go | 2 +-
|
|
lib/model/model_test.go | 26 ++++++++++++++++++++++++++
|
|
2 files changed, 27 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/lib/model/model.go b/lib/model/model.go
|
|
index 5a9146e0..302f06c5 100644
|
|
--- a/lib/model/model.go
|
|
+++ b/lib/model/model.go
|
|
@@ -1373,7 +1373,7 @@ func (m *Model) recheckFile(deviceID protocol.DeviceID, folderFs fs.Filesystem,
|
|
return
|
|
}
|
|
|
|
- if blockIndex > len(cf.Blocks) {
|
|
+ if blockIndex >= len(cf.Blocks) {
|
|
l.Debugf("%v recheckFile: %s: %q / %q i=%d: block index too far", m, deviceID, folder, name, blockIndex)
|
|
return
|
|
}
|
|
diff --git a/lib/model/model_test.go b/lib/model/model_test.go
|
|
index 295eafc1..456bbc4a 100644
|
|
--- a/lib/model/model_test.go
|
|
+++ b/lib/model/model_test.go
|
|
@@ -3608,6 +3608,32 @@ func TestIssue4903(t *testing.T) {
|
|
}
|
|
}
|
|
|
|
+func TestIssue5002(t *testing.T) {
|
|
+ // recheckFile should not panic when given an index equal to the number of blocks
|
|
+
|
|
+ db := db.OpenMemory()
|
|
+ m := NewModel(defaultCfgWrapper, protocol.LocalDeviceID, "syncthing", "dev", db, nil)
|
|
+ m.AddFolder(defaultFolderConfig)
|
|
+ m.StartFolder("default")
|
|
+
|
|
+ m.ServeBackground()
|
|
+ defer m.Stop()
|
|
+
|
|
+ if err := m.ScanFolder("default"); err != nil {
|
|
+ t.Error(err)
|
|
+ }
|
|
+
|
|
+ file, ok := m.CurrentFolderFile("default", "foo")
|
|
+ if !ok {
|
|
+ t.Fatal("test file should exist")
|
|
+ }
|
|
+ nBlocks := len(file.Blocks)
|
|
+
|
|
+ m.recheckFile(protocol.LocalDeviceID, defaultFolderConfig.Filesystem(), "default", "foo", nBlocks-1, []byte{1, 2, 3, 4})
|
|
+ m.recheckFile(protocol.LocalDeviceID, defaultFolderConfig.Filesystem(), "default", "foo", nBlocks, []byte{1, 2, 3, 4}) // panic
|
|
+ m.recheckFile(protocol.LocalDeviceID, defaultFolderConfig.Filesystem(), "default", "foo", nBlocks+1, []byte{1, 2, 3, 4})
|
|
+}
|
|
+
|
|
func addFakeConn(m *Model, dev protocol.DeviceID) *fakeConnection {
|
|
fc := &fakeConnection{id: dev, model: m}
|
|
m.AddConnection(fc, protocol.HelloResult{})
|
|
--
|
|
2.18.0
|
|
|