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manager: don't save crashers during shutdown

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This commit is contained in:
Dmitry Vyukov 2016-03-01 14:57:59 +01:00
parent 6d201b7694
commit 9537a44236
1 changed files with 7 additions and 0 deletions
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7
syz-manager/manager.go
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@ -47,6 +47,7 @@ type Manager struct {
persistentCorpus *PersistentSet
startTime time.Time
stats map[string]uint64
shutdown uint32
mu sync.Mutex
enabledSyscalls string
@ -189,6 +190,7 @@ func RunManager(cfg *config.Config, syscalls map[int]bool, suppressions []*regex
c := make(chan os.Signal, 2)
signal.Notify(c, syscall.SIGINT)
<-c
atomic.StoreUint32(&mgr.shutdown, 1)
*flagV = -1 // VMs will fail
logf(-1, "shutting down...")
atomic.StoreUint32(&shutdown, 1)
@ -242,6 +244,11 @@ func (mgr *Manager) runInstance(vmCfg *vm.Config, first bool) bool {
var crashes []string
saveCrasher := func(what string, output []byte) {
if atomic.LoadUint32(&mgr.shutdown) != 0 {
// qemu crashes with "qemu: terminating on signal 2",
// which we detect as "lost connection".
return
}
for _, re := range mgr.suppressions {
if re.Match(output) {
logf(1, "%v: suppressing '%v' with '%v'", vmCfg.Name, what, re.String())