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| author | Pimyn Girgis <pimyn@google.com> | 2025-11-04 13:37:50 +0000 |
|---|---|---|
| committer | Tahuti <pimyn@google.com> | 2025-11-04 18:13:13 +0000 |
| commit | 72925e09143f010e594be7bcb6c257e822b2252c (patch) | |
| tree | 9b25fe6a430264b9140e7238b59ea91376c4025d /syz-manager/manager.go | |
| parent | 686bf6572b519f4c79772e87d617d0eceaf20dca (diff) | |
syz-manager: fix nil pointer dereference in VMLess mode
When in VMLess mode, reproLoop is not initialized, but we try to dereference it anyways. Check if reproLoop is nil
before trying to access it.
Fixes #6420
Diffstat (limited to 'syz-manager/manager.go')
| -rw-r--r-- | syz-manager/manager.go | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/syz-manager/manager.go b/syz-manager/manager.go index 67af3bb29..79f9e95d6 100644 --- a/syz-manager/manager.go +++ b/syz-manager/manager.go @@ -1343,7 +1343,8 @@ func (mgr *Manager) setPhaseLocked(newPhase int) { if mgr.phase == newPhase { panic("repeated phase update") } - if newPhase == phaseTriagedHub { + // In VMLess mode, mgr.reproLoop is nil. + if newPhase == phaseTriagedHub && mgr.reproLoop != nil { // Start reproductions. go mgr.reproLoop.Loop(vm.ShutdownCtx()) } |